./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test25-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test25-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa --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 de251549242251e9f54823879039d01198e32edde0d5daa52ae9e52ec83fdcc8 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:53:02,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:53:02,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:53:02,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:53:02,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:53:02,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:53:02,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:53:02,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:53:02,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:53:02,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:53:02,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:53:02,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:53:02,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:53:02,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:53:02,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:53:02,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:53:02,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:53:02,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:53:02,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:53:02,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:53:02,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:53:02,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:53:02,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:53:02,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:53:02,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:53:02,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:53:02,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:53:02,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:53:02,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:53:02,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:53:02,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:53:02,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:53:02,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:53:02,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:53:02,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:53:02,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:53:02,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:53:02,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:53:02,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:53:02,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:53:02,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:53:02,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 19:53:02,316 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:53:02,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:53:02,317 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:53:02,317 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:53:02,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:53:02,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:53:02,318 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:53:02,318 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 19:53:02,318 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 19:53:02,318 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 19:53:02,318 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 19:53:02,319 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 19:53:02,319 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 19:53:02,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:53:02,319 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:53:02,319 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 19:53:02,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:53:02,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:53:02,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:53:02,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 19:53:02,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 19:53:02,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 19:53:02,320 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:53:02,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:53:02,325 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 19:53:02,325 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:53:02,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 19:53:02,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:53:02,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:53:02,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:53:02,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:53:02,326 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:53:02,327 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 19:53:02,327 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_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de251549242251e9f54823879039d01198e32edde0d5daa52ae9e52ec83fdcc8 [2021-12-06 19:53:02,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:53:02,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:53:02,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:53:02,505 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:53:02,506 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:53:02,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-regression/test25-1.c [2021-12-06 19:53:02,551 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/data/8f650abca/e5a723c131fa4c189d1c0a7c29e87bfb/FLAG045369984 [2021-12-06 19:53:02,908 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:53:02,909 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/sv-benchmarks/c/ldv-regression/test25-1.c [2021-12-06 19:53:02,914 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/data/8f650abca/e5a723c131fa4c189d1c0a7c29e87bfb/FLAG045369984 [2021-12-06 19:53:02,925 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/data/8f650abca/e5a723c131fa4c189d1c0a7c29e87bfb [2021-12-06 19:53:02,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:53:02,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:53:02,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:53:02,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:53:02,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:53:02,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:53:02" (1/1) ... [2021-12-06 19:53:02,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38754491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:02, skipping insertion in model container [2021-12-06 19:53:02,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:53:02" (1/1) ... [2021-12-06 19:53:02,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:53:02,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:53:03,062 WARN L230 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_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/sv-benchmarks/c/ldv-regression/test25-1.c[936,949] [2021-12-06 19:53:03,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:53:03,070 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:53:03,086 WARN L230 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_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/sv-benchmarks/c/ldv-regression/test25-1.c[936,949] [2021-12-06 19:53:03,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:53:03,098 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:53:03,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:03 WrapperNode [2021-12-06 19:53:03,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:53:03,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:53:03,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:53:03,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:53:03,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:03" (1/1) ... [2021-12-06 19:53:03,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:03" (1/1) ... [2021-12-06 19:53:03,132 INFO L137 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2021-12-06 19:53:03,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:53:03,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:53:03,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:53:03,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:53:03,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:03" (1/1) ... [2021-12-06 19:53:03,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:03" (1/1) ... [2021-12-06 19:53:03,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:03" (1/1) ... [2021-12-06 19:53:03,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:03" (1/1) ... [2021-12-06 19:53:03,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:03" (1/1) ... [2021-12-06 19:53:03,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:03" (1/1) ... [2021-12-06 19:53:03,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:03" (1/1) ... [2021-12-06 19:53:03,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:53:03,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:53:03,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:53:03,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:53:03,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:03" (1/1) ... [2021-12-06 19:53:03,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:03,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:03,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:03,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 19:53:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 19:53:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:53:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:53:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 19:53:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:53:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 19:53:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:53:03,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:53:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 19:53:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:53:03,284 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:53:03,285 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:53:03,409 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:53:03,414 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:53:03,414 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 19:53:03,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:53:03 BoogieIcfgContainer [2021-12-06 19:53:03,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:53:03,417 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 19:53:03,417 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 19:53:03,420 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 19:53:03,420 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:53:03,420 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 07:53:02" (1/3) ... [2021-12-06 19:53:03,421 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f7b2efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 07:53:03, skipping insertion in model container [2021-12-06 19:53:03,421 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:53:03,421 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:03" (2/3) ... [2021-12-06 19:53:03,421 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f7b2efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 07:53:03, skipping insertion in model container [2021-12-06 19:53:03,421 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:53:03,422 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:53:03" (3/3) ... [2021-12-06 19:53:03,423 INFO L388 chiAutomizerObserver]: Analyzing ICFG test25-1.c [2021-12-06 19:53:03,459 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 19:53:03,459 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 19:53:03,459 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 19:53:03,459 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 19:53:03,459 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 19:53:03,459 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 19:53:03,459 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 19:53:03,459 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 19:53:03,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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) [2021-12-06 19:53:03,488 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 19:53:03,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:53:03,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:53:03,494 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 19:53:03,495 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:53:03,495 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 19:53:03,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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) [2021-12-06 19:53:03,497 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 19:53:03,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:53:03,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:53:03,497 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 19:53:03,498 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:53:03,502 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post7#1, main_~j~0#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem13#1, main_#t~pre15#1, main_#t~mem14#1, main_#t~ret16#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#array~0#1.base, main_~#array~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#array~0#1.base, main_~#array~0#1.offset := #Ultimate.allocOnStack(80);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~j~0#1 := 0; 14#L26-3true [2021-12-06 19:53:03,503 INFO L793 eck$LassoCheckResult]: Loop: 14#L26-3true assume !!(main_~j~0#1 < 10);call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 12#L26-2true main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 14#L26-3true [2021-12-06 19:53:03,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:53:03,509 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-06 19:53:03,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:53:03,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385261227] [2021-12-06 19:53:03,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:53:03,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:53:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:53:03,601 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:53:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:53:03,635 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:53:03,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:53:03,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-12-06 19:53:03,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:53:03,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127067954] [2021-12-06 19:53:03,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:53:03,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:53:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:53:03,658 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:53:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:53:03,673 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:53:03,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:53:03,675 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-12-06 19:53:03,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:53:03,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009018989] [2021-12-06 19:53:03,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:53:03,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:53:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:53:03,707 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:53:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:53:03,735 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:53:04,193 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:53:04,194 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:53:04,194 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:53:04,194 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:53:04,194 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:53:04,194 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:04,194 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:53:04,195 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:53:04,195 INFO L133 ssoRankerPreferences]: Filename of dumped script: test25-1.c_Iteration1_Lasso [2021-12-06 19:53:04,195 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:53:04,195 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:53:04,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:53:04,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:53:04,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:53:04,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:53:04,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:53:04,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:53:04,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:53:04,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:53:04,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:53:04,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:53:04,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:53:04,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:53:04,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:53:04,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:53:04,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:53:04,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:53:04,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:53:04,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:53:04,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:53:04,551 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:53:04,555 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:53:04,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:04,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:04,558 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:04,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 19:53:04,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:04,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:04,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:04,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:04,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:04,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:53:04,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:53:04,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:04,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:53:04,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:04,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:04,605 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:04,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 19:53:04,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:04,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:04,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:04,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:04,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:04,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:04,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:04,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:04,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:04,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 19:53:04,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:04,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:04,650 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:04,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 19:53:04,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:04,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:04,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:04,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:04,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:04,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:04,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:04,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:04,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:04,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 19:53:04,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:04,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:04,683 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:04,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 19:53:04,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:04,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:04,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:04,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:04,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:04,694 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:53:04,694 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:53:04,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:04,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 19:53:04,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:04,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:04,717 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:04,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 19:53:04,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:04,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:04,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:04,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:04,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:04,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:04,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:04,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:04,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:04,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 19:53:04,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:04,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:04,748 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:04,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 19:53:04,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:04,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:04,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:04,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:04,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:04,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:04,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:04,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:04,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:04,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 19:53:04,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:04,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:04,778 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:04,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 19:53:04,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:04,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:04,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:04,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:04,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:04,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:04,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:04,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:04,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:04,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 19:53:04,806 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:04,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:04,807 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:04,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 19:53:04,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:04,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:04,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:04,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:04,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:04,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:04,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:04,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:04,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:04,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-06 19:53:04,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:04,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:04,837 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:04,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 19:53:04,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:04,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:04,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:04,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:04,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:04,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:53:04,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:53:04,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:04,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 19:53:04,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:04,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:04,870 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:04,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 19:53:04,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:04,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:04,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:04,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:04,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:04,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:04,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:04,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:04,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:04,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 19:53:04,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:04,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:04,901 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:04,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 19:53:04,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:04,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:04,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:04,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:04,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:04,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:04,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:04,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:04,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:04,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 19:53:04,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:04,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:04,930 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:04,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 19:53:04,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:04,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:04,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:04,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:04,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:04,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:04,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:04,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:04,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:04,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 19:53:04,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:04,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:04,960 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:04,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 19:53:04,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:04,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:04,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:04,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:04,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:04,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:04,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:04,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:04,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:04,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 19:53:04,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:04,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:04,990 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:04,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 19:53:04,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:04,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:04,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:04,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:04,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:04,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:04,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:04,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:05,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 19:53:05,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,020 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 19:53:05,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:05,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:05,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:05,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-06 19:53:05,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,050 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 19:53:05,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:05,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:05,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:05,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 19:53:05,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,080 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 19:53:05,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:05,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:05,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:05,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 19:53:05,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,109 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 19:53:05,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:53:05,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:53:05,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 19:53:05,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,146 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 19:53:05,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:53:05,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:53:05,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 19:53:05,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,179 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 19:53:05,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:05,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:05,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:05,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-06 19:53:05,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,211 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 19:53:05,212 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 [2021-12-06 19:53:05,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:05,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:05,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:05,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-06 19:53:05,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,241 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 19:53:05,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:05,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:05,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:05,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 19:53:05,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,269 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 19:53:05,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:53:05,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:53:05,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 19:53:05,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,301 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 19:53:05,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:53:05,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:53:05,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 19:53:05,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,335 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 19:53:05,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:53:05,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:53:05,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 19:53:05,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,368 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 19:53:05,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:53:05,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:53:05,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 19:53:05,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,401 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 19:53:05,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:53:05,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:53:05,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 19:53:05,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,432 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 19:53:05,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:05,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:05,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:05,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-06 19:53:05,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,462 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 19:53:05,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:53:05,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:53:05,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 19:53:05,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,495 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 19:53:05,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:05,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:05,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:05,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 19:53:05,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,525 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 19:53:05,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:05,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:05,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:05,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-06 19:53:05,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,565 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 19:53:05,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:53:05,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:53:05,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-12-06 19:53:05,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,597 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 19:53:05,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:53:05,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:53:05,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:53:05,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 19:53:05,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,626 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 19:53:05,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:53:05,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:53:05,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-06 19:53:05,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,672 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 19:53:05,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:53:05,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:53:05,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:53:05,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-06 19:53:05,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,704 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 19:53:05,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:53:05,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:53:05,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:53:05,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:53:05,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:53:05,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:53:05,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:53:05,721 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:53:05,740 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-12-06 19:53:05,740 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-12-06 19:53:05,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:53:05,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:05,742 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:53:05,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 19:53:05,743 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:53:05,752 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 19:53:05,752 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:53:05,752 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, v_rep(select #length ULTIMATE.start_main_~#array~0#1.base)_1) = -16*ULTIMATE.start_main_~j~0#1 + 19*v_rep(select #length ULTIMATE.start_main_~#array~0#1.base)_1 Supporting invariants [] [2021-12-06 19:53:05,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-06 19:53:05,800 INFO L297 tatePredicateManager]: 14 out of 14 supporting invariants were superfluous and have been removed [2021-12-06 19:53:05,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:53:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:53:05,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:53:05,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:53:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:53:05,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:53:05,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:53:05,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:53:05,903 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-06 19:53:05,904 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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) 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) [2021-12-06 19:53:05,953 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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). 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 39 states and 56 transitions. Complement of second has 8 states. [2021-12-06 19:53:05,954 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 [2021-12-06 19:53:05,957 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) [2021-12-06 19:53:05,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2021-12-06 19:53:05,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 2 letters. Loop has 2 letters. [2021-12-06 19:53:05,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:53:05,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-06 19:53:05,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:53:05,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 2 letters. Loop has 4 letters. [2021-12-06 19:53:05,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:53:05,960 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 56 transitions. [2021-12-06 19:53:05,962 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:53:05,964 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 9 states and 11 transitions. [2021-12-06 19:53:05,965 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-12-06 19:53:05,965 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-12-06 19:53:05,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2021-12-06 19:53:05,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:53:05,966 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-12-06 19:53:05,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2021-12-06 19:53:05,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-12-06 19:53:05,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:53:05,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-12-06 19:53:05,983 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-12-06 19:53:05,983 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-12-06 19:53:05,983 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 19:53:05,983 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2021-12-06 19:53:05,983 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:53:05,983 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:53:05,983 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:53:05,983 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 19:53:05,983 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:53:05,984 INFO L791 eck$LassoCheckResult]: Stem: 151#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 152#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post7#1, main_~j~0#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem13#1, main_#t~pre15#1, main_#t~mem14#1, main_#t~ret16#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#array~0#1.base, main_~#array~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#array~0#1.base, main_~#array~0#1.offset := #Ultimate.allocOnStack(80);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~j~0#1 := 0; 159#L26-3 assume !(main_~j~0#1 < 10); 157#L26-4 assume main_~i~0#1 >= 0 && main_~i~0#1 < 9;call write~$Pointer$(main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~i~0#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem10#1.base, 4 + main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1 := read~int(main_#t~mem11#1.base, 4 + main_#t~mem11#1.offset, 4); 153#L34 assume main_#t~mem12#1 > 0;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1;call main_#t~mem13#1 := read~int(main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~i~0#1), 4);main_~i~0#1 := main_#t~mem13#1 - 10;havoc main_#t~mem13#1; 154#L36-3 [2021-12-06 19:53:05,984 INFO L793 eck$LassoCheckResult]: Loop: 154#L36-3 call main_#t~mem14#1 := read~int(main_~pa~0#1.base, main_~pa~0#1.offset, 4); 158#L36-1 assume !!(main_~i~0#1 < main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~pre15#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre15#1; 154#L36-3 [2021-12-06 19:53:05,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:53:05,984 INFO L85 PathProgramCache]: Analyzing trace with hash 28697000, now seen corresponding path program 1 times [2021-12-06 19:53:05,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:53:05,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248711039] [2021-12-06 19:53:05,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:53:05,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:53:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:53:06,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:53:06,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:53:06,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248711039] [2021-12-06 19:53:06,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248711039] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:53:06,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:53:06,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:53:06,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492035029] [2021-12-06 19:53:06,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:53:06,018 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:53:06,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:53:06,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 1 times [2021-12-06 19:53:06,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:53:06,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145422037] [2021-12-06 19:53:06,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:53:06,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:53:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:53:06,023 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:53:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:53:06,026 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:53:06,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:53:06,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:53:06,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:53:06,048 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:53:06,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:53:06,056 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2021-12-06 19:53:06,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:53:06,057 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 11 transitions. [2021-12-06 19:53:06,057 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:53:06,057 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 11 transitions. [2021-12-06 19:53:06,058 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-12-06 19:53:06,058 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-12-06 19:53:06,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11 transitions. [2021-12-06 19:53:06,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:53:06,058 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 11 transitions. [2021-12-06 19:53:06,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 11 transitions. [2021-12-06 19:53:06,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2021-12-06 19:53:06,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:53:06,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2021-12-06 19:53:06,059 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-12-06 19:53:06,059 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-12-06 19:53:06,059 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 19:53:06,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2021-12-06 19:53:06,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:53:06,059 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:53:06,059 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:53:06,060 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:53:06,060 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:53:06,060 INFO L791 eck$LassoCheckResult]: Stem: 176#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(11, 2);call #Ultimate.allocInit(12, 3); 177#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post7#1, main_~j~0#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem13#1, main_#t~pre15#1, main_#t~mem14#1, main_#t~ret16#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#array~0#1.base, main_~#array~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#array~0#1.base, main_~#array~0#1.offset := #Ultimate.allocOnStack(80);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~j~0#1 := 0; 184#L26-3 assume !!(main_~j~0#1 < 10);call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 180#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 181#L26-3 assume !(main_~j~0#1 < 10); 182#L26-4 assume main_~i~0#1 >= 0 && main_~i~0#1 < 9;call write~$Pointer$(main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~i~0#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem10#1.base, 4 + main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1 := read~int(main_#t~mem11#1.base, 4 + main_#t~mem11#1.offset, 4); 178#L34 assume main_#t~mem12#1 > 0;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1;call main_#t~mem13#1 := read~int(main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~i~0#1), 4);main_~i~0#1 := main_#t~mem13#1 - 10;havoc main_#t~mem13#1; 179#L36-3 [2021-12-06 19:53:06,060 INFO L793 eck$LassoCheckResult]: Loop: 179#L36-3 call main_#t~mem14#1 := read~int(main_~pa~0#1.base, main_~pa~0#1.offset, 4); 183#L36-1 assume !!(main_~i~0#1 < main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~pre15#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre15#1; 179#L36-3 [2021-12-06 19:53:06,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:53:06,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1809669606, now seen corresponding path program 1 times [2021-12-06 19:53:06,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:53:06,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707356708] [2021-12-06 19:53:06,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:53:06,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:53:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:53:06,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:53:06,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:53:06,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707356708] [2021-12-06 19:53:06,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707356708] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:53:06,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051445375] [2021-12-06 19:53:06,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:53:06,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:53:06,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:06,102 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:53:06,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2021-12-06 19:53:06,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-06 19:53:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:53:06,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 19:53:06,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:53:06,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:53:06,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:53:06,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:53:06,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051445375] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:53:06,183 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:53:06,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-12-06 19:53:06,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467067455] [2021-12-06 19:53:06,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:53:06,184 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:53:06,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:53:06,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 2 times [2021-12-06 19:53:06,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:53:06,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293255475] [2021-12-06 19:53:06,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:53:06,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:53:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:53:06,188 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:53:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:53:06,191 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:53:06,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:53:06,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 19:53:06,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:53:06,211 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:53:06,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:53:06,231 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2021-12-06 19:53:06,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:53:06,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 16 transitions. [2021-12-06 19:53:06,232 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:53:06,233 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 16 transitions. [2021-12-06 19:53:06,233 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-12-06 19:53:06,233 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-12-06 19:53:06,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 16 transitions. [2021-12-06 19:53:06,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:53:06,233 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 16 transitions. [2021-12-06 19:53:06,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 16 transitions. [2021-12-06 19:53:06,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-12-06 19:53:06,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 14 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:53:06,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2021-12-06 19:53:06,235 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 16 transitions. [2021-12-06 19:53:06,235 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 16 transitions. [2021-12-06 19:53:06,235 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 19:53:06,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 16 transitions. [2021-12-06 19:53:06,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:53:06,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:53:06,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:53:06,236 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1, 1] [2021-12-06 19:53:06,236 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:53:06,236 INFO L791 eck$LassoCheckResult]: Stem: 246#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(11, 2);call #Ultimate.allocInit(12, 3); 247#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post7#1, main_~j~0#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem13#1, main_#t~pre15#1, main_#t~mem14#1, main_#t~ret16#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#array~0#1.base, main_~#array~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#array~0#1.base, main_~#array~0#1.offset := #Ultimate.allocOnStack(80);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~j~0#1 := 0; 254#L26-3 assume !!(main_~j~0#1 < 10);call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 250#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 251#L26-3 assume !!(main_~j~0#1 < 10);call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 255#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 260#L26-3 assume !!(main_~j~0#1 < 10);call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 259#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 258#L26-3 assume !!(main_~j~0#1 < 10);call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 257#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 256#L26-3 assume !(main_~j~0#1 < 10); 252#L26-4 assume main_~i~0#1 >= 0 && main_~i~0#1 < 9;call write~$Pointer$(main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~i~0#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem10#1.base, 4 + main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1 := read~int(main_#t~mem11#1.base, 4 + main_#t~mem11#1.offset, 4); 248#L34 assume main_#t~mem12#1 > 0;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1;call main_#t~mem13#1 := read~int(main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~i~0#1), 4);main_~i~0#1 := main_#t~mem13#1 - 10;havoc main_#t~mem13#1; 249#L36-3 [2021-12-06 19:53:06,236 INFO L793 eck$LassoCheckResult]: Loop: 249#L36-3 call main_#t~mem14#1 := read~int(main_~pa~0#1.base, main_~pa~0#1.offset, 4); 253#L36-1 assume !!(main_~i~0#1 < main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~pre15#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre15#1; 249#L36-3 [2021-12-06 19:53:06,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:53:06,236 INFO L85 PathProgramCache]: Analyzing trace with hash 82232736, now seen corresponding path program 2 times [2021-12-06 19:53:06,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:53:06,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477644247] [2021-12-06 19:53:06,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:53:06,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:53:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:53:06,304 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:53:06,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:53:06,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477644247] [2021-12-06 19:53:06,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477644247] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:53:06,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328250886] [2021-12-06 19:53:06,305 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 19:53:06,305 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:53:06,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:53:06,306 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:53:06,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f201ac7c-ba8c-43d9-bc94-382ff4b0fa38/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2021-12-06 19:53:06,364 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 19:53:06,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:53:06,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:53:06,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:53:06,394 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:53:06,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:53:06,439 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:53:06,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328250886] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:53:06,439 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:53:06,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-12-06 19:53:06,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38685372] [2021-12-06 19:53:06,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:53:06,440 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:53:06,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:53:06,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 3 times [2021-12-06 19:53:06,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:53:06,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483209462] [2021-12-06 19:53:06,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:53:06,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:53:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:53:06,443 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:53:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:53:06,447 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:53:06,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:53:06,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 19:53:06,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-12-06 19:53:06,468 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. cyclomatic complexity: 3 Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:53:06,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:53:06,507 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2021-12-06 19:53:06,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 19:53:06,509 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 28 transitions. [2021-12-06 19:53:06,510 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:53:06,510 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 28 transitions. [2021-12-06 19:53:06,511 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-12-06 19:53:06,511 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-12-06 19:53:06,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 28 transitions. [2021-12-06 19:53:06,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:53:06,511 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 28 transitions. [2021-12-06 19:53:06,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 28 transitions. [2021-12-06 19:53:06,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-12-06 19:53:06,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.037037037037037) internal successors, (28), 26 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:53:06,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2021-12-06 19:53:06,514 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 28 transitions. [2021-12-06 19:53:06,514 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 28 transitions. [2021-12-06 19:53:06,514 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 19:53:06,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 28 transitions. [2021-12-06 19:53:06,515 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:53:06,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:53:06,515 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:53:06,516 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1] [2021-12-06 19:53:06,516 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:53:06,516 INFO L791 eck$LassoCheckResult]: Stem: 376#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(11, 2);call #Ultimate.allocInit(12, 3); 377#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post7#1, main_~j~0#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem13#1, main_#t~pre15#1, main_#t~mem14#1, main_#t~ret16#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#array~0#1.base, main_~#array~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#array~0#1.base, main_~#array~0#1.offset := #Ultimate.allocOnStack(80);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~j~0#1 := 0; 384#L26-3 assume !!(main_~j~0#1 < 10);call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 385#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 386#L26-3 assume !!(main_~j~0#1 < 10);call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 380#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 381#L26-3 assume !!(main_~j~0#1 < 10);call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 402#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 401#L26-3 assume !!(main_~j~0#1 < 10);call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 400#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 399#L26-3 assume !!(main_~j~0#1 < 10);call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 398#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 397#L26-3 assume !!(main_~j~0#1 < 10);call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 396#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 395#L26-3 assume !!(main_~j~0#1 < 10);call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 394#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 393#L26-3 assume !!(main_~j~0#1 < 10);call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 392#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 391#L26-3 assume !!(main_~j~0#1 < 10);call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 390#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 389#L26-3 assume !!(main_~j~0#1 < 10);call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 388#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 387#L26-3 assume !(main_~j~0#1 < 10); 382#L26-4 assume main_~i~0#1 >= 0 && main_~i~0#1 < 9;call write~$Pointer$(main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~i~0#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem10#1.base, 4 + main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1 := read~int(main_#t~mem11#1.base, 4 + main_#t~mem11#1.offset, 4); 378#L34 assume main_#t~mem12#1 > 0;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1;call main_#t~mem13#1 := read~int(main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~i~0#1), 4);main_~i~0#1 := main_#t~mem13#1 - 10;havoc main_#t~mem13#1; 379#L36-3 [2021-12-06 19:53:06,516 INFO L793 eck$LassoCheckResult]: Loop: 379#L36-3 call main_#t~mem14#1 := read~int(main_~pa~0#1.base, main_~pa~0#1.offset, 4); 383#L36-1 assume !!(main_~i~0#1 < main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~pre15#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre15#1; 379#L36-3 [2021-12-06 19:53:06,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:53:06,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1520933524, now seen corresponding path program 3 times [2021-12-06 19:53:06,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:53:06,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871651897] [2021-12-06 19:53:06,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:53:06,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:53:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:53:06,599 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:53:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:53:06,718 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:53:06,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:53:06,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 4 times [2021-12-06 19:53:06,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:53:06,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341352336] [2021-12-06 19:53:06,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:53:06,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:53:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:53:06,722 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:53:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:53:06,725 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:53:06,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:53:06,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1328236761, now seen corresponding path program 1 times [2021-12-06 19:53:06,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:53:06,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756345725] [2021-12-06 19:53:06,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:53:06,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:53:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:53:06,779 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:53:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:53:06,818 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace