./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/invert_string-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a 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_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/invert_string-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R --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 ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 --- 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-38b53e6 [2022-11-25 16:43:45,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:43:45,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:43:45,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:43:45,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:43:45,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:43:45,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:43:45,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:43:45,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:43:45,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:43:45,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:43:45,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:43:45,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:43:45,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:43:45,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:43:45,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:43:45,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:43:45,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:43:45,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:43:45,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:43:45,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:43:45,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:43:45,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:43:45,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:43:45,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:43:45,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:43:45,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:43:45,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:43:45,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:43:45,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:43:45,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:43:45,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:43:45,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:43:45,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:43:45,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:43:45,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:43:45,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:43:45,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:43:45,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:43:45,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:43:45,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:43:45,376 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 16:43:45,429 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:43:45,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:43:45,430 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:43:45,430 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:43:45,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:43:45,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:43:45,432 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:43:45,433 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 16:43:45,433 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 16:43:45,456 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 16:43:45,457 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 16:43:45,457 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 16:43:45,457 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 16:43:45,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:43:45,458 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 16:43:45,458 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:43:45,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:43:45,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 16:43:45,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:43:45,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 16:43:45,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 16:43:45,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 16:43:45,459 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 16:43:45,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:43:45,460 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 16:43:45,460 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:43:45,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 16:43:45,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:43:45,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:43:45,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:43:45,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:43:45,462 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 16:43:45,467 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_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 [2022-11-25 16:43:45,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:43:45,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:43:45,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:43:45,799 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:43:45,800 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:43:45,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/loops/invert_string-3.c [2022-11-25 16:43:49,346 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:43:49,668 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:43:49,669 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/sv-benchmarks/c/loops/invert_string-3.c [2022-11-25 16:43:49,676 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/data/21784ba9d/51daab5ce6f84c669cbc43ff4ce403bd/FLAGe7093f733 [2022-11-25 16:43:50,020 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/data/21784ba9d/51daab5ce6f84c669cbc43ff4ce403bd [2022-11-25 16:43:50,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:43:50,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:43:50,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:43:50,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:43:50,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:43:50,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:43:50" (1/1) ... [2022-11-25 16:43:50,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba9f042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:50, skipping insertion in model container [2022-11-25 16:43:50,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:43:50" (1/1) ... [2022-11-25 16:43:50,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:43:50,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:43:50,233 WARN L237 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_21ed0779-e20a-4fc9-9362-d2f237c9c167/sv-benchmarks/c/loops/invert_string-3.c[327,340] [2022-11-25 16:43:50,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:43:50,266 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:43:50,277 WARN L237 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_21ed0779-e20a-4fc9-9362-d2f237c9c167/sv-benchmarks/c/loops/invert_string-3.c[327,340] [2022-11-25 16:43:50,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:43:50,307 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:43:50,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:50 WrapperNode [2022-11-25 16:43:50,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:43:50,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:43:50,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:43:50,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:43:50,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:50" (1/1) ... [2022-11-25 16:43:50,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:50" (1/1) ... [2022-11-25 16:43:50,349 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2022-11-25 16:43:50,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:43:50,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:43:50,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:43:50,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:43:50,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:50" (1/1) ... [2022-11-25 16:43:50,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:50" (1/1) ... [2022-11-25 16:43:50,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:50" (1/1) ... [2022-11-25 16:43:50,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:50" (1/1) ... [2022-11-25 16:43:50,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:50" (1/1) ... [2022-11-25 16:43:50,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:50" (1/1) ... [2022-11-25 16:43:50,380 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:50" (1/1) ... [2022-11-25 16:43:50,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:50" (1/1) ... [2022-11-25 16:43:50,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:43:50,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:43:50,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:43:50,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:43:50,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:50" (1/1) ... [2022-11-25 16:43:50,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:50,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:50,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:43:50,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 16:43:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:43:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:43:50,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:43:50,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 16:43:50,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:43:50,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:43:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 16:43:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:43:50,559 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:43:50,562 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:43:50,810 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:43:50,818 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:43:50,818 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-25 16:43:50,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:43:50 BoogieIcfgContainer [2022-11-25 16:43:50,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:43:50,822 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 16:43:50,822 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 16:43:50,827 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 16:43:50,828 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:43:50,828 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 04:43:50" (1/3) ... [2022-11-25 16:43:50,829 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4bdb759f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 04:43:50, skipping insertion in model container [2022-11-25 16:43:50,830 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:43:50,830 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:50" (2/3) ... [2022-11-25 16:43:50,830 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4bdb759f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 04:43:50, skipping insertion in model container [2022-11-25 16:43:50,831 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:43:50,831 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:43:50" (3/3) ... [2022-11-25 16:43:50,833 INFO L332 chiAutomizerObserver]: Analyzing ICFG invert_string-3.c [2022-11-25 16:43:50,916 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 16:43:50,916 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 16:43:50,916 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 16:43:50,916 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 16:43:50,917 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 16:43:50,917 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 16:43:50,917 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 16:43:50,917 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 16:43:50,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 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) [2022-11-25 16:43:50,940 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-11-25 16:43:50,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:43:50,940 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:43:50,945 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 16:43:50,945 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 16:43:50,946 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 16:43:50,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 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) [2022-11-25 16:43:50,948 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-11-25 16:43:50,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:43:50,948 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:43:50,948 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 16:43:50,948 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 16:43:50,956 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 14#L18-3true [2022-11-25 16:43:50,956 INFO L750 eck$LassoCheckResult]: Loop: 14#L18-3true assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 9#L18-2true main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 14#L18-3true [2022-11-25 16:43:50,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:50,963 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-25 16:43:50,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:50,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945849494] [2022-11-25 16:43:50,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:50,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:51,111 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:43:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:51,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:43:51,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:51,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-11-25 16:43:51,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:51,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381244068] [2022-11-25 16:43:51,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:51,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:51,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:43:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:51,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:43:51,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:51,209 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-11-25 16:43:51,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:51,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107340542] [2022-11-25 16:43:51,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:51,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:51,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:43:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:51,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:43:51,923 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 16:43:51,924 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 16:43:51,924 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 16:43:51,925 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 16:43:51,926 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 16:43:51,926 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:51,926 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 16:43:51,927 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 16:43:51,927 INFO L133 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration1_Lasso [2022-11-25 16:43:51,927 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 16:43:51,927 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 16:43:51,961 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:43:51,976 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:43:51,981 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:43:51,986 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:43:51,989 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:43:52,000 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:43:52,006 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:43:52,010 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:43:52,016 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:43:52,021 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:43:52,027 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:43:52,031 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:43:52,036 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:43:52,039 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:43:53,186 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 16:43:53,194 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 16:43:53,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:53,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:53,203 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:43:53,206 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 [2022-11-25 16:43:53,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 16:43:53,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:43:53,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:43:53,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:43:53,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:43:53,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:43:53,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:43:53,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:43:53,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:43:53,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 16:43:53,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:53,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:53,251 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:43:53,262 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 [2022-11-25 16:43:53,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 16:43:53,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:43:53,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:43:53,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:43:53,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:43:53,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:43:53,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:43:53,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:43:53,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:43:53,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 16:43:53,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:53,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:53,323 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:43:53,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 16:43:53,328 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 [2022-11-25 16:43:53,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:43:53,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:43:53,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:43:53,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:43:53,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:43:53,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:43:53,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:43:53,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:43:53,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-25 16:43:53,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:53,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:53,380 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:43:53,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 16:43:53,391 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 [2022-11-25 16:43:53,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:43:53,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:43:53,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:43:53,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:43:53,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:43:53,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:43:53,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:43:53,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:43:53,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 16:43:53,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:53,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:53,441 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:43:53,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 16:43:53,445 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 [2022-11-25 16:43:53,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:43:53,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:43:53,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:43:53,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:43:53,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:43:53,466 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:43:53,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:43:53,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 16:43:53,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:53,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:53,491 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:43:53,500 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 [2022-11-25 16:43:53,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 16:43:53,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:43:53,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:43:53,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:43:53,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:43:53,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:43:53,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:43:53,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:43:53,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 16:43:53,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:53,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:53,548 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:43:53,557 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 [2022-11-25 16:43:53,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 16:43:53,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:43:53,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:43:53,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:43:53,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:43:53,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:43:53,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:43:53,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:43:53,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:43:53,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 16:43:53,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:53,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:53,593 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:43:53,599 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 [2022-11-25 16:43:53,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 16:43:53,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:43:53,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:43:53,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:43:53,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:43:53,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:43:53,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:43:53,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:43:53,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:43:53,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-25 16:43:53,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:53,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:53,631 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:43:53,640 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 [2022-11-25 16:43:53,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 16:43:53,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:43:53,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:43:53,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:43:53,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:43:53,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:43:53,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:43:53,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:43:53,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:43:53,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-25 16:43:53,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:53,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:53,686 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:43:53,694 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 [2022-11-25 16:43:53,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:43:53,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:43:53,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:43:53,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:43:53,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:43:53,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:43:53,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:43:53,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-25 16:43:53,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:43:53,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-25 16:43:53,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:53,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:53,749 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:43:53,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 16:43:53,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:43:53,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:43:53,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:43:53,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:43:53,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:43:53,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:43:53,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:43:53,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-25 16:43:53,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:43:53,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-25 16:43:53,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:53,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:53,785 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:43:53,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-25 16:43:53,794 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 [2022-11-25 16:43:53,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:43:53,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:43:53,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:43:53,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:43:53,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:43:53,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:43:53,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:43:53,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-25 16:43:53,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:53,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:53,840 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:43:53,850 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 [2022-11-25 16:43:53,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-25 16:43:53,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:43:53,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:43:53,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:43:53,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:43:53,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:43:53,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:43:53,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:43:53,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:43:53,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-25 16:43:53,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:53,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:53,894 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:43:53,904 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 [2022-11-25 16:43:53,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-25 16:43:53,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:43:53,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:43:53,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:43:53,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:43:53,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:43:53,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:43:53,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:43:53,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-25 16:43:53,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:53,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:53,961 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:43:53,967 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 [2022-11-25 16:43:53,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-25 16:43:53,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:43:53,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:43:53,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:43:53,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:43:53,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:43:53,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:43:53,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:43:54,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-25 16:43:54,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:54,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:54,008 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:43:54,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-25 16:43:54,019 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 [2022-11-25 16:43:54,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:43:54,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:43:54,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:43:54,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:43:54,048 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:43:54,049 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:43:54,071 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 16:43:54,115 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-25 16:43:54,115 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-11-25 16:43:54,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:54,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:54,142 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:43:54,153 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 16:43:54,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-25 16:43:54,178 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 16:43:54,178 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 16:43:54,179 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~#str1~0#1.offset, v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_1) = -1*ULTIMATE.start_main_~i~0#1 - 1*ULTIMATE.start_main_~#str1~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_1 Supporting invariants [] [2022-11-25 16:43:54,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-25 16:43:54,239 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2022-11-25 16:43:54,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:43:54,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 16:43:54,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:43:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:43:54,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 16:43:54,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:43:54,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:43:54,438 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 [2022-11-25 16:43:54,440 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:43:54,492 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 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). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 47 transitions. Complement of second has 8 states. [2022-11-25 16:43:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 16:43:54,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:43:54,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2022-11-25 16:43:54,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-25 16:43:54,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:43:54,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-25 16:43:54,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:43:54,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-25 16:43:54,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:43:54,505 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 47 transitions. [2022-11-25 16:43:54,508 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-25 16:43:54,512 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 14 states and 19 transitions. [2022-11-25 16:43:54,513 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-25 16:43:54,514 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-25 16:43:54,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2022-11-25 16:43:54,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:43:54,515 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-11-25 16:43:54,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2022-11-25 16:43:54,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-25 16:43:54,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 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) [2022-11-25 16:43:54,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2022-11-25 16:43:54,545 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-11-25 16:43:54,545 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-11-25 16:43:54,546 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 16:43:54,546 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2022-11-25 16:43:54,547 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-25 16:43:54,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:43:54,547 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:43:54,548 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-25 16:43:54,548 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 16:43:54,548 INFO L748 eck$LassoCheckResult]: Stem: 129#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(18, 2);call #Ultimate.allocInit(12, 3); 130#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 133#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 142#L18-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 141#L26-3 [2022-11-25 16:43:54,549 INFO L750 eck$LassoCheckResult]: Loop: 141#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 140#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 141#L26-3 [2022-11-25 16:43:54,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:54,549 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2022-11-25 16:43:54,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:54,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263528476] [2022-11-25 16:43:54,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:54,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:43:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:43:54,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:43:54,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263528476] [2022-11-25 16:43:54,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263528476] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:43:54,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:43:54,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:43:54,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319500720] [2022-11-25 16:43:54,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:43:54,757 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 16:43:54,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:54,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 1 times [2022-11-25 16:43:54,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:54,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354264183] [2022-11-25 16:43:54,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:54,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:54,767 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:43:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:54,774 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:43:54,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:43:54,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:43:54,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:43:54,899 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:43:54,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:43:54,939 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2022-11-25 16:43:54,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2022-11-25 16:43:54,944 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-25 16:43:54,948 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 14 states and 16 transitions. [2022-11-25 16:43:54,948 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-25 16:43:54,949 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-25 16:43:54,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2022-11-25 16:43:54,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:43:54,950 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-11-25 16:43:54,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2022-11-25 16:43:54,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2022-11-25 16:43:54,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:43:54,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2022-11-25 16:43:54,954 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-11-25 16:43:54,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:43:54,955 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-11-25 16:43:54,956 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 16:43:54,956 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2022-11-25 16:43:54,957 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-25 16:43:54,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:43:54,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:43:54,957 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-25 16:43:54,958 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 16:43:54,958 INFO L748 eck$LassoCheckResult]: Stem: 167#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 168#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 175#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 170#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 171#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 176#L18-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 174#L26-3 [2022-11-25 16:43:54,958 INFO L750 eck$LassoCheckResult]: Loop: 174#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 173#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 174#L26-3 [2022-11-25 16:43:54,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:54,959 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2022-11-25 16:43:54,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:54,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936766210] [2022-11-25 16:43:54,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:54,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:43:55,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:43:55,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:43:55,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936766210] [2022-11-25 16:43:55,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936766210] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:43:55,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156857372] [2022-11-25 16:43:55,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:55,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:43:55,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:55,177 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:43:55,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-25 16:43:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:43:55,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 16:43:55,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:43:55,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:43:55,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 16:43:55,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:43:55,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156857372] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 16:43:55,367 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 16:43:55,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-11-25 16:43:55,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38993265] [2022-11-25 16:43:55,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 16:43:55,368 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 16:43:55,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:55,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 2 times [2022-11-25 16:43:55,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:55,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402674958] [2022-11-25 16:43:55,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:55,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:55,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:43:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:55,394 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:43:55,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:43:55,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 16:43:55,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:43:55,504 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. cyclomatic complexity: 5 Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:43:55,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:43:55,607 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2022-11-25 16:43:55,607 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2022-11-25 16:43:55,608 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-25 16:43:55,608 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 21 transitions. [2022-11-25 16:43:55,608 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-25 16:43:55,609 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-25 16:43:55,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 21 transitions. [2022-11-25 16:43:55,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:43:55,609 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-25 16:43:55,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 21 transitions. [2022-11-25 16:43:55,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-25 16:43:55,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.105263157894737) internal successors, (21), 18 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) [2022-11-25 16:43:55,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-11-25 16:43:55,612 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-25 16:43:55,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 16:43:55,614 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-25 16:43:55,614 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-25 16:43:55,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2022-11-25 16:43:55,615 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-25 16:43:55,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:43:55,615 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:43:55,616 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2022-11-25 16:43:55,616 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 16:43:55,617 INFO L748 eck$LassoCheckResult]: Stem: 242#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(18, 2);call #Ultimate.allocInit(12, 3); 243#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 250#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 244#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 245#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 251#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 257#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 256#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 255#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 254#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 253#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 252#L18-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 249#L26-3 [2022-11-25 16:43:55,617 INFO L750 eck$LassoCheckResult]: Loop: 249#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 248#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 249#L26-3 [2022-11-25 16:43:55,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:55,617 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2022-11-25 16:43:55,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:55,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465750540] [2022-11-25 16:43:55,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:55,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:43:56,007 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:43:56,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:43:56,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465750540] [2022-11-25 16:43:56,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465750540] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:43:56,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445134018] [2022-11-25 16:43:56,011 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 16:43:56,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:43:56,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:56,016 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:43:56,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-25 16:43:56,128 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 16:43:56,129 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 16:43:56,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-25 16:43:56,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:43:56,191 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 16:43:56,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 15 [2022-11-25 16:43:56,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-25 16:43:56,484 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:43:56,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 16:43:57,427 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:43:57,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445134018] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 16:43:57,428 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 16:43:57,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 18 [2022-11-25 16:43:57,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131613067] [2022-11-25 16:43:57,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 16:43:57,429 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 16:43:57,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:57,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 3 times [2022-11-25 16:43:57,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:57,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443089761] [2022-11-25 16:43:57,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:57,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:57,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:43:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:57,442 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:43:57,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:43:57,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-25 16:43:57,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2022-11-25 16:43:57,548 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. cyclomatic complexity: 5 Second operand has 18 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 18 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:43:57,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:43:57,881 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-11-25 16:43:57,881 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 24 transitions. [2022-11-25 16:43:57,882 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-25 16:43:57,883 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 24 transitions. [2022-11-25 16:43:57,883 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-25 16:43:57,883 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-25 16:43:57,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 24 transitions. [2022-11-25 16:43:57,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:43:57,884 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 24 transitions. [2022-11-25 16:43:57,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 24 transitions. [2022-11-25 16:43:57,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2022-11-25 16:43:57,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 20 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) [2022-11-25 16:43:57,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2022-11-25 16:43:57,886 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 23 transitions. [2022-11-25 16:43:57,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 16:43:57,888 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 23 transitions. [2022-11-25 16:43:57,888 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-25 16:43:57,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 23 transitions. [2022-11-25 16:43:57,889 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-25 16:43:57,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:43:57,889 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:43:57,890 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2022-11-25 16:43:57,890 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 16:43:57,890 INFO L748 eck$LassoCheckResult]: Stem: 370#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(18, 2);call #Ultimate.allocInit(12, 3); 371#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 378#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 379#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 380#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 372#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 373#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 387#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 386#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 385#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 384#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 383#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 382#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 381#L18-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 377#L26-3 [2022-11-25 16:43:57,890 INFO L750 eck$LassoCheckResult]: Loop: 377#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 376#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 377#L26-3 [2022-11-25 16:43:57,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:57,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1745699051, now seen corresponding path program 3 times [2022-11-25 16:43:57,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:57,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302374615] [2022-11-25 16:43:57,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:57,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:57,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:43:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:57,942 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:43:57,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:57,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 4 times [2022-11-25 16:43:57,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:57,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116583663] [2022-11-25 16:43:57,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:57,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:57,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:43:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:57,954 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:43:57,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:57,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1715425495, now seen corresponding path program 1 times [2022-11-25 16:43:57,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:57,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044898108] [2022-11-25 16:43:57,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:57,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:57,987 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:43:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:58,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:44:01,042 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 16:44:01,043 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 16:44:01,043 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 16:44:01,043 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 16:44:01,044 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 16:44:01,044 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:01,044 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 16:44:01,044 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 16:44:01,044 INFO L133 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration5_Lasso [2022-11-25 16:44:01,044 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 16:44:01,044 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 16:44:01,052 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:01,055 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:01,058 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:01,060 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:01,063 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:01,065 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:01,068 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:01,070 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:01,971 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:01,974 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:01,976 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:01,979 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:01,982 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:02,581 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 16:44:02,581 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 16:44:02,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:02,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:02,585 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:02,597 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 [2022-11-25 16:44:02,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-25 16:44:02,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:02,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:44:02,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:02,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:02,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:02,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:44:02,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:44:02,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:02,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:02,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:02,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:02,634 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:02,649 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 [2022-11-25 16:44:02,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-25 16:44:02,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:02,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:44:02,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:02,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:02,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:02,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:44:02,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:44:02,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:02,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:02,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:02,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:02,685 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:02,689 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 [2022-11-25 16:44:02,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:02,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:44:02,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:02,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:02,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:02,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:44:02,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:44:02,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-25 16:44:02,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:02,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:02,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:02,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:02,726 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:02,733 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 [2022-11-25 16:44:02,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:02,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:02,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:02,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:02,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:02,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:02,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-25 16:44:02,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:02,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:02,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:02,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:02,780 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:02,788 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 [2022-11-25 16:44:02,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-25 16:44:02,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:02,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:44:02,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:02,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:02,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:02,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:44:02,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:44:02,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:02,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:02,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:02,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:02,835 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:02,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-25 16:44:02,839 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 [2022-11-25 16:44:02,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:02,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:44:02,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:02,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:02,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:02,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:44:02,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:44:02,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:02,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:02,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:02,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:02,876 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:02,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-25 16:44:02,878 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 [2022-11-25 16:44:02,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:02,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:44:02,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:02,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:02,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:02,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:44:02,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:44:02,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:02,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:02,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:02,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:02,909 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:02,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-25 16:44:02,914 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 [2022-11-25 16:44:02,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:02,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:02,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:02,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:02,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:02,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:02,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:02,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:02,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:02,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:02,967 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:02,973 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 [2022-11-25 16:44:02,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-25 16:44:02,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:02,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:02,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:02,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:02,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:02,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:03,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:03,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:03,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:03,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:03,022 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:03,027 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 [2022-11-25 16:44:03,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-25 16:44:03,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:03,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:03,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:03,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:03,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:03,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:03,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:03,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:03,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:03,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:03,073 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:03,079 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 [2022-11-25 16:44:03,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-25 16:44:03,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:03,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:03,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:03,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:03,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:03,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:03,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:03,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:03,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:03,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:03,121 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:03,127 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 [2022-11-25 16:44:03,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-25 16:44:03,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:03,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:03,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:03,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:03,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:03,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:03,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:03,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:03,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:03,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:03,169 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:03,175 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 [2022-11-25 16:44:03,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:03,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:03,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:03,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:03,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-25 16:44:03,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:03,193 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:03,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:03,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:03,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:03,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:03,219 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:03,227 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 [2022-11-25 16:44:03,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-25 16:44:03,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:03,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:03,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:03,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:03,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:03,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:03,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:03,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:03,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:03,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:03,274 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:03,279 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 [2022-11-25 16:44:03,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-25 16:44:03,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:03,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:03,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:03,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:03,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:03,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:03,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:03,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:03,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:03,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:03,340 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:03,348 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 [2022-11-25 16:44:03,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-25 16:44:03,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:03,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:03,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:03,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:03,365 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:03,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:03,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:03,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:03,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:03,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:03,394 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:03,398 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 [2022-11-25 16:44:03,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-25 16:44:03,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:03,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:03,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:03,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:03,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:03,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:03,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:03,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:03,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:03,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:03,439 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:03,445 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 [2022-11-25 16:44:03,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-25 16:44:03,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:03,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:03,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:03,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:03,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:03,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:03,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:03,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:03,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:03,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:03,491 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:03,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 16:44:03,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-25 16:44:03,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:03,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:03,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:03,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:03,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:03,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:03,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:03,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:03,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:03,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:03,550 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:03,556 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 [2022-11-25 16:44:03,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-25 16:44:03,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:03,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:03,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:03,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:03,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:03,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:03,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:03,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:03,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:03,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:03,609 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:03,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-25 16:44:03,612 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 [2022-11-25 16:44:03,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:03,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:03,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:03,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:03,628 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:03,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:03,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:03,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:03,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:03,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:03,646 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:03,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 16:44:03,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-25 16:44:03,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:03,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:03,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:03,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:03,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:03,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:03,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:03,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:03,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:03,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:03,699 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:03,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 16:44:03,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-25 16:44:03,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:03,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:03,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:03,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:03,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:03,720 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:03,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:03,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:03,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:03,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:03,780 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:03,784 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 [2022-11-25 16:44:03,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-25 16:44:03,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:03,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:44:03,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:03,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:03,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:03,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:44:03,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:44:03,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:03,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:03,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:03,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:03,832 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:03,836 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 [2022-11-25 16:44:03,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-25 16:44:03,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:03,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:03,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:03,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:03,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:03,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:03,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:03,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:03,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:03,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:03,888 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:03,894 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 [2022-11-25 16:44:03,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-25 16:44:03,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:03,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:03,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:03,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:03,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:03,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:03,959 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 16:44:04,017 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-25 16:44:04,018 INFO L444 ModelExtractionUtils]: 6 out of 25 variables were initially zero. Simplification set additionally 16 variables to zero. [2022-11-25 16:44:04,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:04,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:04,019 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:04,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-25 16:44:04,023 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 16:44:04,035 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 16:44:04,036 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 16:44:04,036 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#str2~0#1.base)_2, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#str2~0#1.base)_2 + 2*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-11-25 16:44:04,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:04,179 INFO L156 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2022-11-25 16:44:04,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:44:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:44:04,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 16:44:04,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:44:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:44:04,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 16:44:04,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:44:04,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:44:04,300 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 [2022-11-25 16:44:04,300 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 23 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:44:04,320 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 23 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 29 transitions. Complement of second has 7 states. [2022-11-25 16:44:04,321 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 [2022-11-25 16:44:04,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:44:04,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2022-11-25 16:44:04,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 14 letters. Loop has 2 letters. [2022-11-25 16:44:04,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:44:04,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 16 letters. Loop has 2 letters. [2022-11-25 16:44:04,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:44:04,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 14 letters. Loop has 4 letters. [2022-11-25 16:44:04,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:44:04,325 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2022-11-25 16:44:04,326 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-25 16:44:04,327 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 22 states and 25 transitions. [2022-11-25 16:44:04,327 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-25 16:44:04,327 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-25 16:44:04,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 25 transitions. [2022-11-25 16:44:04,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:44:04,328 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-25 16:44:04,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 25 transitions. [2022-11-25 16:44:04,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-25 16:44:04,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 21 states have internal predecessors, (25), 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) [2022-11-25 16:44:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-11-25 16:44:04,331 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-25 16:44:04,331 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-25 16:44:04,331 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-25 16:44:04,332 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2022-11-25 16:44:04,332 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-25 16:44:04,333 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:44:04,333 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:44:04,333 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1] [2022-11-25 16:44:04,334 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-25 16:44:04,334 INFO L748 eck$LassoCheckResult]: Stem: 577#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(18, 2);call #Ultimate.allocInit(12, 3); 578#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 586#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 580#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 581#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 587#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 596#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 595#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 594#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 593#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 592#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 591#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 590#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 588#L18-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 589#L26-3 assume !(main_~i~0#1 >= 0); 583#L26-4 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 576#L32-3 [2022-11-25 16:44:04,334 INFO L750 eck$LassoCheckResult]: Loop: 576#L32-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem10#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem11#1 := read~int(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem10#1 == main_#t~mem11#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 582#L6 assume !(0 == __VERIFIER_assert_~cond#1); 579#L6-2 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem10#1;havoc main_#t~mem11#1;main_#t~post12#1 := main_~j~0#1;main_~j~0#1 := main_#t~post12#1 - 1;havoc main_#t~post12#1; 575#L32-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 576#L32-3 [2022-11-25 16:44:04,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:44:04,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1715425437, now seen corresponding path program 1 times [2022-11-25 16:44:04,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:44:04,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900177478] [2022-11-25 16:44:04,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:44:04,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:44:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:44:04,459 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-25 16:44:04,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:44:04,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900177478] [2022-11-25 16:44:04,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900177478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:44:04,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:44:04,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:44:04,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281291710] [2022-11-25 16:44:04,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:44:04,461 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 16:44:04,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:44:04,461 INFO L85 PathProgramCache]: Analyzing trace with hash 2100362, now seen corresponding path program 1 times [2022-11-25 16:44:04,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:44:04,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618780603] [2022-11-25 16:44:04,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:44:04,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:44:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:44:04,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:44:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:44:04,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:44:04,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:44:04,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:44:04,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:44:04,630 INFO L87 Difference]: Start difference. First operand 22 states and 25 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) [2022-11-25 16:44:04,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:44:04,681 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2022-11-25 16:44:04,681 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 25 transitions. [2022-11-25 16:44:04,682 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-25 16:44:04,683 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 25 transitions. [2022-11-25 16:44:04,683 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-25 16:44:04,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-25 16:44:04,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 25 transitions. [2022-11-25 16:44:04,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:44:04,683 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 25 transitions. [2022-11-25 16:44:04,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 25 transitions. [2022-11-25 16:44:04,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-25 16:44:04,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 21 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:44:04,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2022-11-25 16:44:04,685 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 24 transitions. [2022-11-25 16:44:04,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:44:04,687 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2022-11-25 16:44:04,687 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-25 16:44:04,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 24 transitions. [2022-11-25 16:44:04,688 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-25 16:44:04,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:44:04,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:44:04,689 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:44:04,689 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-25 16:44:04,690 INFO L748 eck$LassoCheckResult]: Stem: 632#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(18, 2);call #Ultimate.allocInit(12, 3); 633#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 640#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 634#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 635#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 641#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 650#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 649#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 648#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 647#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 646#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 645#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 644#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 642#L18-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 643#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 637#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 638#L26-3 assume !(main_~i~0#1 >= 0); 639#L26-4 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 630#L32-3 [2022-11-25 16:44:04,690 INFO L750 eck$LassoCheckResult]: Loop: 630#L32-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem10#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem11#1 := read~int(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem10#1 == main_#t~mem11#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 636#L6 assume !(0 == __VERIFIER_assert_~cond#1); 631#L6-2 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem10#1;havoc main_#t~mem11#1;main_#t~post12#1 := main_~j~0#1;main_~j~0#1 := main_#t~post12#1 - 1;havoc main_#t~post12#1; 629#L32-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 630#L32-3 [2022-11-25 16:44:04,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:44:04,691 INFO L85 PathProgramCache]: Analyzing trace with hash -743540257, now seen corresponding path program 1 times [2022-11-25 16:44:04,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:44:04,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479339153] [2022-11-25 16:44:04,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:44:04,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:44:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:44:04,989 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-25 16:44:04,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:44:04,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479339153] [2022-11-25 16:44:04,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479339153] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:44:04,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051948074] [2022-11-25 16:44:04,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:44:04,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:44:04,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:04,992 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:44:05,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2022-11-25 16:44:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:44:05,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 16:44:05,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:44:05,201 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-25 16:44:05,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 16:44:05,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:05,584 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-25 16:44:05,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051948074] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 16:44:05,584 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 16:44:05,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-25 16:44:05,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046207938] [2022-11-25 16:44:05,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 16:44:05,588 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 16:44:05,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:44:05,588 INFO L85 PathProgramCache]: Analyzing trace with hash 2100362, now seen corresponding path program 2 times [2022-11-25 16:44:05,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:44:05,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030850394] [2022-11-25 16:44:05,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:44:05,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:44:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:44:05,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:44:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:44:05,622 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:44:05,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:44:05,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 16:44:05,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-11-25 16:44:05,833 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. cyclomatic complexity: 5 Second operand has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:44:06,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:44:06,100 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2022-11-25 16:44:06,100 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 34 transitions. [2022-11-25 16:44:06,101 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-25 16:44:06,101 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 34 transitions. [2022-11-25 16:44:06,102 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-25 16:44:06,102 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-25 16:44:06,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 34 transitions. [2022-11-25 16:44:06,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:44:06,103 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 34 transitions. [2022-11-25 16:44:06,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 34 transitions. [2022-11-25 16:44:06,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 28. [2022-11-25 16:44:06,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 27 states have internal predecessors, (30), 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) [2022-11-25 16:44:06,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2022-11-25 16:44:06,106 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 30 transitions. [2022-11-25 16:44:06,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 16:44:06,107 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 30 transitions. [2022-11-25 16:44:06,107 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-25 16:44:06,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 30 transitions. [2022-11-25 16:44:06,108 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-25 16:44:06,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:44:06,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:44:06,109 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2022-11-25 16:44:06,109 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-25 16:44:06,110 INFO L748 eck$LassoCheckResult]: Stem: 814#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(18, 2);call #Ultimate.allocInit(12, 3); 815#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 822#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 816#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 817#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 823#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 838#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 837#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 835#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 833#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 831#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 828#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 827#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 824#L18-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 825#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 819#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 820#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 826#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 836#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 834#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 832#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 830#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 829#L26-3 assume !(main_~i~0#1 >= 0); 821#L26-4 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 812#L32-3 [2022-11-25 16:44:06,110 INFO L750 eck$LassoCheckResult]: Loop: 812#L32-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem10#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem11#1 := read~int(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem10#1 == main_#t~mem11#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 818#L6 assume !(0 == __VERIFIER_assert_~cond#1); 813#L6-2 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem10#1;havoc main_#t~mem11#1;main_#t~post12#1 := main_~j~0#1;main_~j~0#1 := main_#t~post12#1 - 1;havoc main_#t~post12#1; 811#L32-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 812#L32-3 [2022-11-25 16:44:06,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:44:06,111 INFO L85 PathProgramCache]: Analyzing trace with hash -430652763, now seen corresponding path program 2 times [2022-11-25 16:44:06,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:44:06,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238017367] [2022-11-25 16:44:06,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:44:06,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:44:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:44:06,540 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-25 16:44:06,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:44:06,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238017367] [2022-11-25 16:44:06,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238017367] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:44:06,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929269986] [2022-11-25 16:44:06,541 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 16:44:06,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:44:06,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:06,544 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:44:06,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2022-11-25 16:44:06,695 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 16:44:06,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 16:44:06,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-25 16:44:06,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:44:06,888 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-25 16:44:06,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 16:44:07,178 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-25 16:44:07,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929269986] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 16:44:07,179 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 16:44:07,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 21 [2022-11-25 16:44:07,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021057451] [2022-11-25 16:44:07,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 16:44:07,180 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 16:44:07,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:44:07,181 INFO L85 PathProgramCache]: Analyzing trace with hash 2100362, now seen corresponding path program 3 times [2022-11-25 16:44:07,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:44:07,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436263394] [2022-11-25 16:44:07,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:44:07,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:44:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:44:07,187 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:44:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:44:07,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:44:07,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:44:07,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-25 16:44:07,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2022-11-25 16:44:07,359 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. cyclomatic complexity: 5 Second operand has 21 states, 21 states have (on average 2.0476190476190474) internal successors, (43), 21 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:44:08,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:44:08,213 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2022-11-25 16:44:08,214 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 57 transitions. [2022-11-25 16:44:08,221 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-25 16:44:08,224 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 54 states and 57 transitions. [2022-11-25 16:44:08,224 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2022-11-25 16:44:08,225 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2022-11-25 16:44:08,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 57 transitions. [2022-11-25 16:44:08,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:44:08,227 INFO L218 hiAutomatonCegarLoop]: Abstraction has 54 states and 57 transitions. [2022-11-25 16:44:08,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 57 transitions. [2022-11-25 16:44:08,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 38. [2022-11-25 16:44:08,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 37 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) [2022-11-25 16:44:08,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2022-11-25 16:44:08,238 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 41 transitions. [2022-11-25 16:44:08,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 16:44:08,240 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 41 transitions. [2022-11-25 16:44:08,242 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-25 16:44:08,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 41 transitions. [2022-11-25 16:44:08,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-25 16:44:08,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:44:08,244 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:44:08,245 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1] [2022-11-25 16:44:08,246 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-25 16:44:08,246 INFO L748 eck$LassoCheckResult]: Stem: 1086#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(18, 2);call #Ultimate.allocInit(12, 3); 1087#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 1096#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1089#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1090#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1097#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1107#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1106#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1105#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1104#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1101#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1100#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1099#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 1094#L18-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 1095#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1091#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 1092#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1098#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 1119#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1117#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 1115#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1113#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 1110#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1111#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 1102#L26-3 assume !(main_~i~0#1 >= 0); 1093#L26-4 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 1084#L32-3 [2022-11-25 16:44:08,248 INFO L750 eck$LassoCheckResult]: Loop: 1084#L32-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem10#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem11#1 := read~int(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem10#1 == main_#t~mem11#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1088#L6 assume !(0 == __VERIFIER_assert_~cond#1); 1085#L6-2 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem10#1;havoc main_#t~mem11#1;main_#t~post12#1 := main_~j~0#1;main_~j~0#1 := main_#t~post12#1 - 1;havoc main_#t~post12#1; 1083#L32-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1084#L32-3 [2022-11-25 16:44:08,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:44:08,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1540388377, now seen corresponding path program 3 times [2022-11-25 16:44:08,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:44:08,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109284589] [2022-11-25 16:44:08,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:44:08,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:44:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:44:08,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:44:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:44:08,404 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:44:08,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:44:08,405 INFO L85 PathProgramCache]: Analyzing trace with hash 2100362, now seen corresponding path program 4 times [2022-11-25 16:44:08,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:44:08,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909350233] [2022-11-25 16:44:08,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:44:08,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:44:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:44:08,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:44:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:44:08,416 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:44:08,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:44:08,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1945357456, now seen corresponding path program 1 times [2022-11-25 16:44:08,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:44:08,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678524680] [2022-11-25 16:44:08,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:44:08,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:44:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:44:08,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:44:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:44:08,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:44:16,962 WARN L233 SmtUtils]: Spent 8.29s on a formula simplification. DAG size of input: 288 DAG size of output: 211 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 16:44:17,940 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 16:44:17,941 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 16:44:17,941 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 16:44:17,941 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 16:44:17,941 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 16:44:17,941 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:17,941 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 16:44:17,942 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 16:44:17,942 INFO L133 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration9_Lasso [2022-11-25 16:44:17,942 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 16:44:17,942 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 16:44:17,945 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:17,954 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:17,958 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:17,961 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:17,969 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:17,973 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:17,979 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:17,982 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:17,985 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:17,988 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:17,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:17,993 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:17,996 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:18,000 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:44:21,667 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 16:44:21,668 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 16:44:21,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:21,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:21,680 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:21,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-25 16:44:21,683 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 [2022-11-25 16:44:21,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:21,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:44:21,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:21,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:21,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:21,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:44:21,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:44:21,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:21,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:21,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:21,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:21,703 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:21,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-25 16:44:21,711 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 [2022-11-25 16:44:21,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:21,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:44:21,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:21,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:21,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:21,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:44:21,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:44:21,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:21,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-11-25 16:44:21,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:21,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:21,739 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:21,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-25 16:44:21,742 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 [2022-11-25 16:44:21,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:21,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:44:21,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:21,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:21,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:21,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:44:21,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:44:21,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:21,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-11-25 16:44:21,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:21,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:21,761 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:21,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-25 16:44:21,763 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 [2022-11-25 16:44:21,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:21,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:44:21,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:21,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:21,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:21,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:44:21,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:44:21,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:21,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:21,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:21,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:21,785 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:21,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-25 16:44:21,788 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 [2022-11-25 16:44:21,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:21,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:21,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:21,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:21,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:21,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:21,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:21,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-11-25 16:44:21,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:21,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:21,811 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:21,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-25 16:44:21,814 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 [2022-11-25 16:44:21,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:21,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:44:21,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:21,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:21,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:21,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:44:21,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:44:21,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:21,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-11-25 16:44:21,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:21,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:21,834 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:21,842 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 [2022-11-25 16:44:21,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-25 16:44:21,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:21,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:44:21,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:21,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:21,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:21,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:44:21,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:44:21,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:21,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:21,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:21,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:21,863 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:21,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-25 16:44:21,870 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 [2022-11-25 16:44:21,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:21,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:44:21,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:21,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:21,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:21,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:44:21,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:44:21,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:21,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2022-11-25 16:44:21,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:21,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:21,890 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:21,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-25 16:44:21,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 16:44:21,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:21,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:44:21,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:21,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:21,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:21,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:44:21,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:44:21,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:21,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-11-25 16:44:21,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:21,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:21,911 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:21,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-25 16:44:21,914 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 [2022-11-25 16:44:21,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:21,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:44:21,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:21,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:21,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:21,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:44:21,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:44:21,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:21,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:21,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:21,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:21,932 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:21,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-25 16:44:21,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 16:44:21,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:21,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:44:21,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:21,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:21,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:21,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:44:21,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:44:21,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:21,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-25 16:44:21,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:21,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:21,954 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:21,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-25 16:44:21,957 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 [2022-11-25 16:44:21,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:21,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:44:21,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:21,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:21,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:21,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:44:21,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:44:21,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:21,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-11-25 16:44:21,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:21,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:21,976 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:21,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-25 16:44:21,979 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 [2022-11-25 16:44:21,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:21,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:21,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:21,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:21,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:21,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:21,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:22,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-11-25 16:44:22,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:22,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:22,001 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:22,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-25 16:44:22,004 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 [2022-11-25 16:44:22,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:22,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:22,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:22,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:22,018 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:22,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:22,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:22,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-11-25 16:44:22,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:22,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:22,027 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:22,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-25 16:44:22,030 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 [2022-11-25 16:44:22,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:22,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:22,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:22,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:22,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:22,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:22,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:22,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2022-11-25 16:44:22,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:22,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:22,053 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:22,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-25 16:44:22,056 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 [2022-11-25 16:44:22,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:22,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:22,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:22,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:22,071 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:22,071 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:22,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:22,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-11-25 16:44:22,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:22,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:22,080 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:22,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-25 16:44:22,091 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 [2022-11-25 16:44:22,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:22,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:22,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:22,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:22,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:22,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:22,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:22,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:22,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:22,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:22,118 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:22,123 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 [2022-11-25 16:44:22,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-25 16:44:22,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:22,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:22,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:22,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:22,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:22,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:22,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:22,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:22,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:22,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:22,169 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:22,175 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 [2022-11-25 16:44:22,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-25 16:44:22,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:22,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:22,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:22,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:22,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:22,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:22,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:22,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:22,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:22,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:22,220 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:22,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-25 16:44:22,224 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 [2022-11-25 16:44:22,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:22,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:22,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:22,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:22,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:22,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:22,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:22,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:22,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:22,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:22,262 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:22,266 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 [2022-11-25 16:44:22,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-25 16:44:22,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:22,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:22,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:22,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:22,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:22,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:22,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:22,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2022-11-25 16:44:22,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:22,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:22,291 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:22,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-25 16:44:22,293 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 [2022-11-25 16:44:22,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:22,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:22,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:22,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:22,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:22,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:22,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:22,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:22,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:22,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:22,321 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:22,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-25 16:44:22,323 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 [2022-11-25 16:44:22,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:22,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:22,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:22,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:22,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:22,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:22,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:22,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-11-25 16:44:22,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:22,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:22,350 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:22,360 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 [2022-11-25 16:44:22,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-25 16:44:22,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:22,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:22,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:22,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:22,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:22,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:22,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:22,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2022-11-25 16:44:22,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:22,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:22,404 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:22,411 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 [2022-11-25 16:44:22,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-25 16:44:22,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:22,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:22,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:22,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:22,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:22,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:22,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:22,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:22,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:22,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:22,435 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:22,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-25 16:44:22,438 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 [2022-11-25 16:44:22,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:22,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:22,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:22,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:22,452 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:22,452 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:22,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:22,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2022-11-25 16:44:22,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:22,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:22,462 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:22,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-25 16:44:22,465 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 [2022-11-25 16:44:22,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:22,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:22,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:22,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:22,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:22,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:22,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:22,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2022-11-25 16:44:22,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:22,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:22,487 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:22,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-25 16:44:22,490 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 [2022-11-25 16:44:22,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:22,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:22,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:22,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:22,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:22,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:22,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:44:22,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2022-11-25 16:44:22,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:22,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:22,525 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:22,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-11-25 16:44:22,528 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 [2022-11-25 16:44:22,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:44:22,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:44:22,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:44:22,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:44:22,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:44:22,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:44:22,591 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 16:44:22,635 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-25 16:44:22,635 INFO L444 ModelExtractionUtils]: 2 out of 25 variables were initially zero. Simplification set additionally 20 variables to zero. [2022-11-25 16:44:22,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:44:22,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:44:22,638 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:44:22,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-25 16:44:22,640 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 16:44:22,652 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 16:44:22,653 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 16:44:22,653 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#str2~0#1.base)_3, ULTIMATE.start_main_~j~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#str2~0#1.base)_3 + 2*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2022-11-25 16:44:22,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:22,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2022-11-25 16:44:23,029 INFO L156 tatePredicateManager]: 51 out of 52 supporting invariants were superfluous and have been removed [2022-11-25 16:44:23,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:44:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:44:23,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 16:44:23,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:44:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:44:23,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 16:44:23,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:44:23,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:44:23,340 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-25 16:44:23,340 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 41 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:44:23,390 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 41 transitions. cyclomatic complexity: 6. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 47 transitions. Complement of second has 7 states. [2022-11-25 16:44:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 16:44:23,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:44:23,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2022-11-25 16:44:23,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 26 letters. Loop has 4 letters. [2022-11-25 16:44:23,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:44:23,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 30 letters. Loop has 4 letters. [2022-11-25 16:44:23,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:44:23,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 26 letters. Loop has 8 letters. [2022-11-25 16:44:23,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:44:23,403 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 47 transitions. [2022-11-25 16:44:23,404 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 16:44:23,406 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 0 states and 0 transitions. [2022-11-25 16:44:23,406 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 16:44:23,406 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 16:44:23,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 16:44:23,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:44:23,407 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:44:23,407 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:44:23,407 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:44:23,407 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-25 16:44:23,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 16:44:23,407 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 16:44:23,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 16:44:23,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 04:44:23 BoogieIcfgContainer [2022-11-25 16:44:23,416 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 16:44:23,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:44:23,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:44:23,417 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:44:23,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:43:50" (3/4) ... [2022-11-25 16:44:23,422 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 16:44:23,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:44:23,423 INFO L158 Benchmark]: Toolchain (without parser) took 33398.14ms. Allocated memory was 151.0MB in the beginning and 249.6MB in the end (delta: 98.6MB). Free memory was 116.9MB in the beginning and 149.8MB in the end (delta: -32.9MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2022-11-25 16:44:23,424 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 151.0MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:44:23,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.24ms. Allocated memory is still 151.0MB. Free memory was 116.5MB in the beginning and 106.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 16:44:23,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.45ms. Allocated memory is still 151.0MB. Free memory was 106.5MB in the beginning and 104.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:44:23,425 INFO L158 Benchmark]: Boogie Preprocessor took 34.36ms. Allocated memory is still 151.0MB. Free memory was 104.6MB in the beginning and 103.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:44:23,425 INFO L158 Benchmark]: RCFGBuilder took 436.10ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 91.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 16:44:23,426 INFO L158 Benchmark]: BuchiAutomizer took 32593.75ms. Allocated memory was 151.0MB in the beginning and 249.6MB in the end (delta: 98.6MB). Free memory was 91.3MB in the beginning and 149.8MB in the end (delta: -58.5MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2022-11-25 16:44:23,426 INFO L158 Benchmark]: Witness Printer took 6.02ms. Allocated memory is still 249.6MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:44:23,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 151.0MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.24ms. Allocated memory is still 151.0MB. Free memory was 116.5MB in the beginning and 106.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.45ms. Allocated memory is still 151.0MB. Free memory was 106.5MB in the beginning and 104.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.36ms. Allocated memory is still 151.0MB. Free memory was 104.6MB in the beginning and 103.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.10ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 91.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 32593.75ms. Allocated memory was 151.0MB in the beginning and 249.6MB in the end (delta: 98.6MB). Free memory was 91.3MB in the beginning and 149.8MB in the end (delta: -58.5MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * Witness Printer took 6.02ms. Allocated memory is still 249.6MB. Free memory is still 149.8MB. 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 9 terminating modules (6 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * str1 + -1 * i + unknown-#length-unknown[str1] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[str2] + 2 * i and consists of 4 locations. One deterministic module has affine ranking function 2 * j + unknown-#length-unknown[str2] and consists of 5 locations. 6 modules have a trivial ranking function, the largest among these consists of 21 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 32.5s and 10 iterations. TraceHistogramMax:5. Analysis of lassos took 29.8s. Construction of modules took 0.7s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 9. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 23 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 282 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 280 mSDsluCounter, 177 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 99 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 427 IncrementalHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 99 mSolverCounterUnsat, 83 mSDtfsCounter, 427 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU6 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital712 mio100 ax100 hnf100 lsp96 ukn59 mio100 lsp38 div268 bol100 ite100 ukn100 eq154 hnf94 smp58 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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! [2022-11-25 16:44:23,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2022-11-25 16:44:23,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2022-11-25 16:44:23,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2022-11-25 16:44:24,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-11-25 16:44:24,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ed0779-e20a-4fc9-9362-d2f237c9c167/bin/uautomizer-ZsLfNo2U6R/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