./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/list-ext-properties/simple-ext.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/list-ext-properties/simple-ext.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:18:08,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:18:08,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:18:08,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:18:08,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:18:08,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:18:08,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:18:08,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:18:08,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:18:08,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:18:08,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:18:08,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:18:08,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:18:08,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:18:08,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:18:08,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:18:08,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:18:08,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:18:08,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:18:08,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:18:08,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:18:08,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:18:08,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:18:08,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:18:08,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:18:08,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:18:08,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:18:08,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:18:08,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:18:08,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:18:08,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:18:08,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:18:08,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:18:08,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:18:08,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:18:08,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:18:08,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:18:08,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:18:08,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:18:08,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:18:08,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:18:08,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 20:18:08,372 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:18:08,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:18:08,373 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:18:08,373 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:18:08,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:18:08,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:18:08,375 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:18:08,375 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:18:08,375 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:18:08,375 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:18:08,376 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:18:08,376 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:18:08,376 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:18:08,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:18:08,377 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:18:08,377 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:18:08,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:18:08,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:18:08,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:18:08,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:18:08,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:18:08,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:18:08,378 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:18:08,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:18:08,379 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:18:08,379 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:18:08,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:18:08,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:18:08,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:18:08,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:18:08,380 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:18:08,381 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:18:08,381 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_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 [2022-11-18 20:18:08,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:18:08,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:18:08,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:18:08,748 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:18:08,749 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:18:08,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/list-ext-properties/simple-ext.i [2022-11-18 20:18:08,819 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/data/10f9818d3/6b168baf453a48788e8bca97900c4487/FLAGc51cee471 [2022-11-18 20:18:09,425 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:18:09,426 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/sv-benchmarks/c/list-ext-properties/simple-ext.i [2022-11-18 20:18:09,438 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/data/10f9818d3/6b168baf453a48788e8bca97900c4487/FLAGc51cee471 [2022-11-18 20:18:09,759 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/data/10f9818d3/6b168baf453a48788e8bca97900c4487 [2022-11-18 20:18:09,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:18:09,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:18:09,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:18:09,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:18:09,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:18:09,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:18:09" (1/1) ... [2022-11-18 20:18:09,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7125e052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:18:09, skipping insertion in model container [2022-11-18 20:18:09,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:18:09" (1/1) ... [2022-11-18 20:18:09,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:18:09,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:18:10,203 WARN L234 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_e8de3651-b721-40cb-a811-116400b10325/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2022-11-18 20:18:10,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:18:10,215 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:18:10,250 WARN L234 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_e8de3651-b721-40cb-a811-116400b10325/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2022-11-18 20:18:10,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:18:10,276 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:18:10,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:18:10 WrapperNode [2022-11-18 20:18:10,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:18:10,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:18:10,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:18:10,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:18:10,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:18:10" (1/1) ... [2022-11-18 20:18:10,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:18:10" (1/1) ... [2022-11-18 20:18:10,349 INFO L138 Inliner]: procedures = 124, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2022-11-18 20:18:10,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:18:10,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:18:10,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:18:10,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:18:10,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:18:10" (1/1) ... [2022-11-18 20:18:10,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:18:10" (1/1) ... [2022-11-18 20:18:10,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:18:10" (1/1) ... [2022-11-18 20:18:10,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:18:10" (1/1) ... [2022-11-18 20:18:10,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:18:10" (1/1) ... [2022-11-18 20:18:10,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:18:10" (1/1) ... [2022-11-18 20:18:10,373 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:18:10" (1/1) ... [2022-11-18 20:18:10,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:18:10" (1/1) ... [2022-11-18 20:18:10,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:18:10,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:18:10,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:18:10,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:18:10,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:18:10" (1/1) ... [2022-11-18 20:18:10,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:10,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:10,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:10,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:18:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:18:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:18:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:18:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:18:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:18:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:18:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:18:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:18:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:18:10,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:18:10,567 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:18:10,570 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:18:10,719 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:18:10,733 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:18:10,733 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 20:18:10,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:18:10 BoogieIcfgContainer [2022-11-18 20:18:10,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:18:10,736 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:18:10,736 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:18:10,767 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:18:10,768 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:18:10,768 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:18:09" (1/3) ... [2022-11-18 20:18:10,769 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ddfad1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:18:10, skipping insertion in model container [2022-11-18 20:18:10,770 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:18:10,770 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:18:10" (2/3) ... [2022-11-18 20:18:10,770 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ddfad1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:18:10, skipping insertion in model container [2022-11-18 20:18:10,770 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:18:10,771 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:18:10" (3/3) ... [2022-11-18 20:18:10,772 INFO L332 chiAutomizerObserver]: Analyzing ICFG simple-ext.i [2022-11-18 20:18:10,876 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:18:10,877 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:18:10,877 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:18:10,877 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:18:10,877 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:18:10,877 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:18:10,877 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:18:10,878 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:18:10,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 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) [2022-11-18 20:18:10,915 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2022-11-18 20:18:10,915 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:18:10,915 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:18:10,921 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:18:10,921 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-18 20:18:10,921 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:18:10,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 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) [2022-11-18 20:18:10,928 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2022-11-18 20:18:10,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:18:10,928 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:18:10,928 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:18:10,928 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-18 20:18:10,938 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 10#L533true assume main_~a~0#1.base == 0 && main_~a~0#1.offset == 0;assume { :begin_inline_myexit } true;myexit_#in~s#1 := 1;havoc myexit_~s#1;myexit_~s#1 := myexit_#in~s#1; 2#L525true [2022-11-18 20:18:10,938 INFO L750 eck$LassoCheckResult]: Loop: 2#L525true assume true; 2#L525true [2022-11-18 20:18:10,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:10,949 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-11-18 20:18:10,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:18:10,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727142524] [2022-11-18 20:18:10,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:10,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:18:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:11,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:18:11,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:18:11,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727142524] [2022-11-18 20:18:11,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727142524] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:18:11,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:18:11,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:18:11,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890759238] [2022-11-18 20:18:11,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:18:11,206 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:18:11,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:11,211 INFO L85 PathProgramCache]: Analyzing trace with hash 101, now seen corresponding path program 1 times [2022-11-18 20:18:11,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:18:11,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789908509] [2022-11-18 20:18:11,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:11,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:18:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:11,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:18:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:11,277 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:18:11,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:18:11,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:18:11,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:18:11,352 INFO L87 Difference]: Start difference. First operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:18:11,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:18:11,394 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2022-11-18 20:18:11,395 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2022-11-18 20:18:11,397 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-18 20:18:11,402 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 14 states and 17 transitions. [2022-11-18 20:18:11,404 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-18 20:18:11,404 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-18 20:18:11,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2022-11-18 20:18:11,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:18:11,405 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-18 20:18:11,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2022-11-18 20:18:11,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-18 20:18:11,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:18:11,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2022-11-18 20:18:11,436 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-18 20:18:11,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:18:11,442 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-18 20:18:11,442 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:18:11,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2022-11-18 20:18:11,446 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-18 20:18:11,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:18:11,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:18:11,447 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-18 20:18:11,447 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:18:11,448 INFO L748 eck$LassoCheckResult]: Stem: 50#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(13, 2); 51#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 56#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 57#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 49#L537-2 [2022-11-18 20:18:11,448 INFO L750 eck$LassoCheckResult]: Loop: 49#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 58#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 48#L540-1 call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 49#L537-2 [2022-11-18 20:18:11,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:11,451 INFO L85 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2022-11-18 20:18:11,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:18:11,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870527535] [2022-11-18 20:18:11,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:11,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:18:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:11,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:18:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:11,503 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:18:11,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:11,505 INFO L85 PathProgramCache]: Analyzing trace with hash 48852, now seen corresponding path program 1 times [2022-11-18 20:18:11,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:18:11,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203824019] [2022-11-18 20:18:11,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:11,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:18:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:11,546 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:18:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:11,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:18:11,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:11,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1807773776, now seen corresponding path program 1 times [2022-11-18 20:18:11,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:18:11,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34128824] [2022-11-18 20:18:11,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:11,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:18:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:11,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:18:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:11,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:18:12,396 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:18:12,397 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:18:12,397 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:18:12,398 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:18:12,398 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:18:12,398 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:12,398 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:18:12,398 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:18:12,399 INFO L133 ssoRankerPreferences]: Filename of dumped script: simple-ext.i_Iteration2_Lasso [2022-11-18 20:18:12,399 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:18:12,399 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:18:12,420 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:12,430 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:12,433 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:12,436 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:12,441 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:12,445 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:12,452 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:12,456 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:12,459 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:12,462 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:12,465 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:12,469 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:12,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:12,476 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:12,480 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:12,484 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:12,488 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:12,490 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:13,027 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:13,030 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:13,034 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:13,037 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:13,040 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:18:13,517 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:18:13,521 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:18:13,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:13,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:13,526 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:13,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:13,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:13,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:13,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:13,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:13,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:13,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:13,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:13,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:18:13,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:13,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:13,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:13,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:13,569 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:13,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:13,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:13,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:13,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:13,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:13,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:13,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:13,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:13,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:18:13,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:13,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:13,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:13,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:13,612 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:13,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:13,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:13,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:13,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:13,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:13,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:13,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:13,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:13,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:18:13,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:13,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:13,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:13,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:13,651 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:13,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:13,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:13,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:13,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:13,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:13,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:13,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:13,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:13,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:18:13,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:13,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:13,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:13,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:13,701 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:13,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:13,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:13,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:13,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:13,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:13,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:13,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:13,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:13,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:18:13,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:13,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:13,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:13,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:13,743 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:13,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:13,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:18:13,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:13,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:13,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:13,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:13,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:18:13,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:18:13,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:13,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:13,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:13,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:13,788 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:13,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:13,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:13,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:13,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:13,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:13,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:13,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:13,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:13,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:18:13,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:13,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:13,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:13,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:13,844 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:13,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:13,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:18:13,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:13,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:13,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:13,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:13,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:13,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:13,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:13,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:13,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:13,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:13,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:13,884 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:13,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:13,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:13,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:13,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:13,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:13,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:13,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:13,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:13,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:18:13,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:13,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:13,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:13,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:13,937 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:13,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:13,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:18:13,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:13,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:13,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:13,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:13,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:13,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:13,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:13,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:13,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:13,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:13,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:13,975 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:13,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:18:13,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:18:14,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:18:14,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,019 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:14,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:14,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:14,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:18:14,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,062 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:18:14,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:18:14,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 20:18:14,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,124 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:14,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:14,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:14,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 20:18:14,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,157 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 20:18:14,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:14,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,173 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-18 20:18:14,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,174 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 20:18:14,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:14,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,189 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 20:18:14,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:14,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:14,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:14,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,220 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 20:18:14,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:14,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:14,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:14,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,256 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 20:18:14,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:14,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:14,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:14,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,284 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 20:18:14,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,301 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-18 20:18:14,301 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-18 20:18:14,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,316 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-11-18 20:18:14,317 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-18 20:18:14,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-11-18 20:18:14,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,350 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 20:18:14,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:18:14,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:18:14,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,389 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 20:18:14,414 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:18:14,414 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:18:14,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,440 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:14,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:14,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:14,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-18 20:18:14,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,480 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:14,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:14,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:14,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 20:18:14,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,523 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:14,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:14,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:14,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 20:18:14,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-18 20:18:14,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,563 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:18:14,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:18:14,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-18 20:18:14,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,600 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:18:14,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:18:14,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-18 20:18:14,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-11-18 20:18:14,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,634 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-18 20:18:14,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:18:14,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:18:14,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,671 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:18:14,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:18:14,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-18 20:18:14,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,713 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-18 20:18:14,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:18:14,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:18:14,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,754 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:14,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:14,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:14,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-18 20:18:14,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,800 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-18 20:18:14,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:18:14,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:18:14,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,852 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:14,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:14,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:14,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-18 20:18:14,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-18 20:18:14,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,889 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-18 20:18:14,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:18:14,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:18:14,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-18 20:18:14,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,924 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-18 20:18:14,931 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 [2022-11-18 20:18:14,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:18:14,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:18:14,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,959 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:14,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-18 20:18:14,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:14,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:14,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:14,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:14,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:14,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:18:14,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:18:14,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:14,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:14,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:14,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:14,996 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:15,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:15,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:15,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:15,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:15,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:15,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-18 20:18:15,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:18:15,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:18:15,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:15,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:15,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:15,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:15,057 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:15,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:15,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-18 20:18:15,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:15,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:18:15,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:15,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:15,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:15,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:18:15,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:18:15,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:18:15,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:15,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:15,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:15,079 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:15,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-18 20:18:15,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:18:15,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:18:15,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:18:15,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:18:15,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:18:15,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:18:15,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:18:15,121 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:18:15,144 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-18 20:18:15,144 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-18 20:18:15,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:18:15,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:15,147 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:18:15,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-18 20:18:15,160 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:18:15,195 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:18:15,195 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:18:15,196 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 59 Supporting invariants [] [2022-11-18 20:18:15,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:15,233 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2022-11-18 20:18:15,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:15,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:18:15,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:18:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:15,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:18:15,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:18:15,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:18:15,323 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 20:18:15,324 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:18:15,363 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 19 states and 26 transitions. Complement of second has 7 states. [2022-11-18 20:18:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:18:15,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:18:15,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2022-11-18 20:18:15,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 4 letters. Loop has 3 letters. [2022-11-18 20:18:15,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:18:15,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-18 20:18:15,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:18:15,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 4 letters. Loop has 6 letters. [2022-11-18 20:18:15,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:18:15,368 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 26 transitions. [2022-11-18 20:18:15,369 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2022-11-18 20:18:15,370 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 16 states and 21 transitions. [2022-11-18 20:18:15,370 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:18:15,371 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-18 20:18:15,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2022-11-18 20:18:15,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:18:15,371 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-11-18 20:18:15,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2022-11-18 20:18:15,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-18 20:18:15,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:18:15,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2022-11-18 20:18:15,373 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-11-18 20:18:15,373 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-11-18 20:18:15,373 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:18:15,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2022-11-18 20:18:15,374 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2022-11-18 20:18:15,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:18:15,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:18:15,374 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-18 20:18:15,375 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:18:15,375 INFO L748 eck$LassoCheckResult]: Stem: 163#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(13, 2); 164#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 169#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 170#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 171#L537-2 assume !(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 166#L537-3 call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 167#L549-2 [2022-11-18 20:18:15,375 INFO L750 eck$LassoCheckResult]: Loop: 167#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 175#L550 assume !(1 != main_#t~mem8#1);havoc main_#t~mem8#1; 176#L550-2 call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset;main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 167#L549-2 [2022-11-18 20:18:15,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:15,376 INFO L85 PathProgramCache]: Analyzing trace with hash 889599219, now seen corresponding path program 1 times [2022-11-18 20:18:15,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:18:15,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392414792] [2022-11-18 20:18:15,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:15,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:18:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:15,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:18:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:15,413 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:18:15,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:15,414 INFO L85 PathProgramCache]: Analyzing trace with hash 69737, now seen corresponding path program 1 times [2022-11-18 20:18:15,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:18:15,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097503907] [2022-11-18 20:18:15,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:15,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:18:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:15,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:18:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:15,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:18:15,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:15,427 INFO L85 PathProgramCache]: Analyzing trace with hash 2102156855, now seen corresponding path program 1 times [2022-11-18 20:18:15,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:18:15,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204903413] [2022-11-18 20:18:15,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:15,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:18:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:15,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:18:15,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:18:15,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204903413] [2022-11-18 20:18:15,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204903413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:18:15,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:18:15,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:18:15,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423044125] [2022-11-18 20:18:15,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:18:15,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:18:15,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:18:15,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:18:15,795 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:18:15,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:18:15,903 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2022-11-18 20:18:15,903 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 36 transitions. [2022-11-18 20:18:15,914 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 6 [2022-11-18 20:18:15,915 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 29 states and 35 transitions. [2022-11-18 20:18:15,915 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2022-11-18 20:18:15,916 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-11-18 20:18:15,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 35 transitions. [2022-11-18 20:18:15,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:18:15,916 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 35 transitions. [2022-11-18 20:18:15,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 35 transitions. [2022-11-18 20:18:15,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 18. [2022-11-18 20:18:15,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:18:15,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2022-11-18 20:18:15,918 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-11-18 20:18:15,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:18:15,921 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-11-18 20:18:15,922 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 20:18:15,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2022-11-18 20:18:15,923 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2022-11-18 20:18:15,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:18:15,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:18:15,924 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-18 20:18:15,924 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-18 20:18:15,924 INFO L748 eck$LassoCheckResult]: Stem: 223#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(13, 2); 224#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 229#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 230#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 234#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 231#L540 assume main_~t~0#1.base == 0 && main_~t~0#1.offset == 0;assume { :begin_inline_myexit } true;myexit_#in~s#1 := 1;havoc myexit_~s#1;myexit_~s#1 := myexit_#in~s#1; 232#L525-1 [2022-11-18 20:18:15,924 INFO L750 eck$LassoCheckResult]: Loop: 232#L525-1 assume true; 232#L525-1 [2022-11-18 20:18:15,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:15,926 INFO L85 PathProgramCache]: Analyzing trace with hash 889599272, now seen corresponding path program 1 times [2022-11-18 20:18:15,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:18:15,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762436916] [2022-11-18 20:18:15,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:15,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:18:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:15,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:18:15,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:18:15,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762436916] [2022-11-18 20:18:15,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762436916] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:18:15,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:18:15,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:18:15,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643623788] [2022-11-18 20:18:15,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:18:15,987 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:18:15,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:15,987 INFO L85 PathProgramCache]: Analyzing trace with hash 102, now seen corresponding path program 1 times [2022-11-18 20:18:15,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:18:15,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306525221] [2022-11-18 20:18:15,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:15,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:18:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:15,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:18:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:15,992 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:18:16,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:18:16,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:18:16,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:18:16,001 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 9 Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:18:16,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:18:16,012 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2022-11-18 20:18:16,012 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2022-11-18 20:18:16,012 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2022-11-18 20:18:16,013 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 21 transitions. [2022-11-18 20:18:16,013 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-18 20:18:16,013 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-18 20:18:16,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2022-11-18 20:18:16,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:18:16,013 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-11-18 20:18:16,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2022-11-18 20:18:16,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2022-11-18 20:18:16,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:18:16,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-11-18 20:18:16,015 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-18 20:18:16,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:18:16,018 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-18 20:18:16,018 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-18 20:18:16,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2022-11-18 20:18:16,019 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 20:18:16,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:18:16,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:18:16,019 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:18:16,020 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-18 20:18:16,020 INFO L748 eck$LassoCheckResult]: Stem: 266#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 267#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 272#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 273#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 274#L537-2 assume !(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 269#L537-3 call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 270#L549-2 assume !(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); 271#L549-3 main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; 268#L557-2 [2022-11-18 20:18:16,020 INFO L750 eck$LassoCheckResult]: Loop: 268#L557-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;call ULTIMATE.dealloc(main_~p~0#1.base, main_~p~0#1.offset);main_~p~0#1.base, main_~p~0#1.offset := main_~tmp~0#1.base, main_~tmp~0#1.offset; 268#L557-2 [2022-11-18 20:18:16,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:16,020 INFO L85 PathProgramCache]: Analyzing trace with hash 206358786, now seen corresponding path program 1 times [2022-11-18 20:18:16,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:18:16,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828200484] [2022-11-18 20:18:16,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:16,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:18:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:16,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:18:16,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:18:16,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828200484] [2022-11-18 20:18:16,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828200484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:18:16,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:18:16,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:18:16,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528181877] [2022-11-18 20:18:16,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:18:16,095 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:18:16,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:16,095 INFO L85 PathProgramCache]: Analyzing trace with hash 93, now seen corresponding path program 1 times [2022-11-18 20:18:16,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:18:16,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806951446] [2022-11-18 20:18:16,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:16,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:18:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:16,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:18:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:16,108 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:18:16,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:18:16,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:18:16,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:18:16,190 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:18:16,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:18:16,233 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-11-18 20:18:16,233 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 24 transitions. [2022-11-18 20:18:16,238 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 20:18:16,239 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 20 states and 22 transitions. [2022-11-18 20:18:16,239 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-18 20:18:16,239 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-18 20:18:16,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2022-11-18 20:18:16,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:18:16,239 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-11-18 20:18:16,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2022-11-18 20:18:16,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2022-11-18 20:18:16,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:18:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-11-18 20:18:16,243 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-11-18 20:18:16,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:18:16,246 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-11-18 20:18:16,246 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-18 20:18:16,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2022-11-18 20:18:16,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 20:18:16,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:18:16,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:18:16,248 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:18:16,248 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:18:16,248 INFO L748 eck$LassoCheckResult]: Stem: 313#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(13, 2); 314#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 319#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 320#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 321#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 322#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 311#L540-1 call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 312#L537-2 assume !(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 316#L537-3 call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 317#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 323#L550 [2022-11-18 20:18:16,248 INFO L750 eck$LassoCheckResult]: Loop: 323#L550 assume !(1 != main_#t~mem8#1);havoc main_#t~mem8#1; 324#L550-2 call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset;main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 325#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 323#L550 [2022-11-18 20:18:16,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:16,249 INFO L85 PathProgramCache]: Analyzing trace with hash 793653610, now seen corresponding path program 1 times [2022-11-18 20:18:16,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:18:16,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595336215] [2022-11-18 20:18:16,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:16,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:18:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:16,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:18:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:16,317 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:18:16,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:16,318 INFO L85 PathProgramCache]: Analyzing trace with hash 76517, now seen corresponding path program 2 times [2022-11-18 20:18:16,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:18:16,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677511899] [2022-11-18 20:18:16,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:16,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:18:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:16,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:18:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:16,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:18:16,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:16,335 INFO L85 PathProgramCache]: Analyzing trace with hash -60222244, now seen corresponding path program 1 times [2022-11-18 20:18:16,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:18:16,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568871487] [2022-11-18 20:18:16,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:16,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:18:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:16,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:16,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:18:16,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:18:16,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568871487] [2022-11-18 20:18:16,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568871487] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:18:16,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158999549] [2022-11-18 20:18:16,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:16,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:18:16,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:16,788 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:18:16,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-11-18 20:18:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:16,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-18 20:18:16,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:18:16,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-18 20:18:16,971 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-18 20:18:16,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-18 20:18:17,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:18:17,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-18 20:18:17,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-18 20:18:17,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:18:17,126 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:18:17,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2022-11-18 20:18:17,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:18:17,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:18:17,360 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:18:17,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 30 [2022-11-18 20:18:17,387 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:18:17,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2022-11-18 20:18:17,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2022-11-18 20:18:17,413 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-18 20:18:17,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-11-18 20:18:17,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:18:17,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158999549] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:18:17,535 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:18:17,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2022-11-18 20:18:17,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126327889] [2022-11-18 20:18:17,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:18:17,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:18:17,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-18 20:18:17,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=282, Unknown=4, NotChecked=0, Total=342 [2022-11-18 20:18:17,642 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. cyclomatic complexity: 5 Second operand has 19 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 19 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:18:17,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:18:17,939 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2022-11-18 20:18:17,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 28 transitions. [2022-11-18 20:18:17,940 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 20:18:17,940 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 23 states and 25 transitions. [2022-11-18 20:18:17,940 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-18 20:18:17,941 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-18 20:18:17,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 25 transitions. [2022-11-18 20:18:17,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:18:17,941 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 25 transitions. [2022-11-18 20:18:17,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 25 transitions. [2022-11-18 20:18:17,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 18. [2022-11-18 20:18:17,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:18:17,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2022-11-18 20:18:17,943 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-11-18 20:18:17,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:18:17,947 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-11-18 20:18:17,947 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-18 20:18:17,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 20 transitions. [2022-11-18 20:18:17,947 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 20:18:17,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:18:17,948 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:18:17,948 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:18:17,948 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:18:17,948 INFO L748 eck$LassoCheckResult]: Stem: 463#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(13, 2); 464#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 469#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 470#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 472#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 473#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 478#L540-1 call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 474#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 471#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 461#L540-1 call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 462#L537-2 assume !(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 466#L537-3 call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 467#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 475#L550 [2022-11-18 20:18:17,948 INFO L750 eck$LassoCheckResult]: Loop: 475#L550 assume !(1 != main_#t~mem8#1);havoc main_#t~mem8#1; 476#L550-2 call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset;main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 477#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 475#L550 [2022-11-18 20:18:17,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:17,949 INFO L85 PathProgramCache]: Analyzing trace with hash -8921739, now seen corresponding path program 2 times [2022-11-18 20:18:17,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:18:17,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851868251] [2022-11-18 20:18:17,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:17,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:18:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:17,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:18:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:18,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:18:18,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:18,038 INFO L85 PathProgramCache]: Analyzing trace with hash 76517, now seen corresponding path program 3 times [2022-11-18 20:18:18,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:18:18,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563040869] [2022-11-18 20:18:18,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:18,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:18:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:18,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:18:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:18:18,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:18:18,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:18,051 INFO L85 PathProgramCache]: Analyzing trace with hash 500492529, now seen corresponding path program 2 times [2022-11-18 20:18:18,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:18:18,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165599199] [2022-11-18 20:18:18,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:18,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:18:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:18,598 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:18:18,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:18:18,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165599199] [2022-11-18 20:18:18,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165599199] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:18:18,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466497361] [2022-11-18 20:18:18,598 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:18:18,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:18:18,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:18:18,600 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:18:18,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-11-18 20:18:18,718 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:18:18,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:18:18,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-18 20:18:18,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:18:18,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-18 20:18:18,785 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-18 20:18:18,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-18 20:18:18,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-18 20:18:18,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:18:18,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-18 20:18:18,918 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-18 20:18:18,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-18 20:18:18,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-18 20:18:18,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-18 20:18:19,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-18 20:18:19,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-18 20:18:19,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:18:19,050 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:18:19,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2022-11-18 20:18:19,056 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 20:18:19,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:18:19,247 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_131| Int) (v_ArrVal_322 (Array Int Int)) (|v_ULTIMATE.start_main_~t~0#1.base_55| Int) (v_ArrVal_324 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_131| |c_ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_131|)) (not (= 0 (select |c_#valid| |v_ULTIMATE.start_main_~t~0#1.base_55|))) (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_322) |v_ULTIMATE.start_main_~t~0#1.base_55| v_ArrVal_324) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_131|) 1)))) is different from false [2022-11-18 20:18:19,276 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-18 20:18:19,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-11-18 20:18:19,406 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:18:19,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 33 [2022-11-18 20:18:19,431 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:18:19,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 68 [2022-11-18 20:18:19,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 50 [2022-11-18 20:18:19,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2022-11-18 20:18:19,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-18 20:18:19,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466497361] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:18:19,624 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:18:19,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 24 [2022-11-18 20:18:19,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123808304] [2022-11-18 20:18:19,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:18:19,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:18:19,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-18 20:18:19,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=425, Unknown=5, NotChecked=42, Total=552 [2022-11-18 20:18:19,734 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. cyclomatic complexity: 5 Second operand has 24 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 24 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:18:19,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:18:19,984 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2022-11-18 20:18:19,984 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 14 transitions. [2022-11-18 20:18:19,984 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:18:19,984 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2022-11-18 20:18:19,984 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:18:19,984 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:18:19,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:18:19,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:18:19,984 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:18:19,985 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:18:19,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:18:19,985 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:18:19,985 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-18 20:18:19,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:18:19,985 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:18:19,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 20:18:19,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:18:19 BoogieIcfgContainer [2022-11-18 20:18:19,992 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:18:19,992 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:18:19,993 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:18:19,993 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:18:19,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:18:10" (3/4) ... [2022-11-18 20:18:19,996 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:18:19,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:18:19,997 INFO L158 Benchmark]: Toolchain (without parser) took 10231.90ms. Allocated memory was 136.3MB in the beginning and 245.4MB in the end (delta: 109.1MB). Free memory was 104.0MB in the beginning and 89.4MB in the end (delta: 14.6MB). Peak memory consumption was 124.3MB. Max. memory is 16.1GB. [2022-11-18 20:18:19,997 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:18:19,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.29ms. Allocated memory is still 136.3MB. Free memory was 103.6MB in the beginning and 103.2MB in the end (delta: 450.5kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:18:19,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.87ms. Allocated memory is still 136.3MB. Free memory was 103.2MB in the beginning and 100.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:18:19,998 INFO L158 Benchmark]: Boogie Preprocessor took 26.36ms. Allocated memory is still 136.3MB. Free memory was 100.9MB in the beginning and 99.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:18:19,999 INFO L158 Benchmark]: RCFGBuilder took 358.15ms. Allocated memory is still 136.3MB. Free memory was 99.7MB in the beginning and 86.7MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 20:18:19,999 INFO L158 Benchmark]: BuchiAutomizer took 9255.77ms. Allocated memory was 136.3MB in the beginning and 245.4MB in the end (delta: 109.1MB). Free memory was 86.3MB in the beginning and 89.4MB in the end (delta: -3.1MB). Peak memory consumption was 108.0MB. Max. memory is 16.1GB. [2022-11-18 20:18:19,999 INFO L158 Benchmark]: Witness Printer took 4.06ms. Allocated memory is still 245.4MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:18:20,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 507.29ms. Allocated memory is still 136.3MB. Free memory was 103.6MB in the beginning and 103.2MB in the end (delta: 450.5kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.87ms. Allocated memory is still 136.3MB. Free memory was 103.2MB in the beginning and 100.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.36ms. Allocated memory is still 136.3MB. Free memory was 100.9MB in the beginning and 99.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 358.15ms. Allocated memory is still 136.3MB. Free memory was 99.7MB in the beginning and 86.7MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 9255.77ms. Allocated memory was 136.3MB in the beginning and 245.4MB in the end (delta: 109.1MB). Free memory was 86.3MB in the beginning and 89.4MB in the end (delta: -3.1MB). Peak memory consumption was 108.0MB. Max. memory is 16.1GB. * Witness Printer took 4.06ms. Allocated memory is still 245.4MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (6 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 59 and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 24 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.1s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 7.9s. Construction of modules took 0.2s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 23 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 156 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 155 mSDsluCounter, 141 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 83 IncrementalHoareTripleChecker+Unchecked, 74 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 273 IncrementalHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 67 mSDtfsCounter, 273 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN2 SILU1 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital212 mio100 ax108 hnf100 lsp87 ukn59 mio100 lsp20 div100 bol100 ite100 ukn100 eq163 hnf95 smp100 dnf164 smp90 tf100 neg93 sie129 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 62ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 20:18:20,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:20,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2022-11-18 20:18:20,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8de3651-b721-40cb-a811-116400b10325/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE