./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/string-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/string-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ --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 fd601fa28543c13c2fbec075867019b65bb9d0c4bbf720a0162dbf887aa47892 --- 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-dbf71c6-m [2022-10-17 10:53:12,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:53:12,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:53:12,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:53:12,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:53:12,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:53:12,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:53:12,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:53:12,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:53:12,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:53:12,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:53:12,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:53:12,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:53:12,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:53:12,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:53:12,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:53:12,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:53:12,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:53:12,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:53:12,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:53:12,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:53:12,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:53:12,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:53:12,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:53:12,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:53:12,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:53:12,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:53:12,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:53:12,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:53:12,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:53:12,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:53:12,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:53:12,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:53:12,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:53:12,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:53:12,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:53:12,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:53:12,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:53:12,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:53:12,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:53:12,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:53:12,272 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:53:12,342 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:53:12,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:53:12,344 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:53:12,344 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:53:12,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:53:12,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:53:12,346 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:53:12,347 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:53:12,347 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:53:12,347 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:53:12,349 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:53:12,349 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:53:12,349 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:53:12,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:53:12,350 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:53:12,351 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:53:12,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:53:12,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:53:12,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:53:12,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:53:12,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:53:12,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:53:12,353 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:53:12,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:53:12,353 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:53:12,354 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:53:12,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:53:12,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:53:12,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:53:12,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:53:12,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:53:12,357 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:53:12,358 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_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd601fa28543c13c2fbec075867019b65bb9d0c4bbf720a0162dbf887aa47892 [2022-10-17 10:53:12,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:53:12,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:53:12,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:53:12,729 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:53:12,730 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:53:12,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/loops/string-2.i [2022-10-17 10:53:12,802 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/data/ccc396ace/0042f2bc5bba49e6ba8adad4bb9e7597/FLAG01aa1d400 [2022-10-17 10:53:13,361 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:53:13,362 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/sv-benchmarks/c/loops/string-2.i [2022-10-17 10:53:13,369 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/data/ccc396ace/0042f2bc5bba49e6ba8adad4bb9e7597/FLAG01aa1d400 [2022-10-17 10:53:13,812 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/data/ccc396ace/0042f2bc5bba49e6ba8adad4bb9e7597 [2022-10-17 10:53:13,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:53:13,817 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:53:13,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:53:13,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:53:13,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:53:13,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:53:13" (1/1) ... [2022-10-17 10:53:13,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277de612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:53:13, skipping insertion in model container [2022-10-17 10:53:13,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:53:13" (1/1) ... [2022-10-17 10:53:13,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:53:13,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:53:14,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/sv-benchmarks/c/loops/string-2.i[896,909] [2022-10-17 10:53:14,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:53:14,112 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:53:14,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/sv-benchmarks/c/loops/string-2.i[896,909] [2022-10-17 10:53:14,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:53:14,150 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:53:14,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:53:14 WrapperNode [2022-10-17 10:53:14,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:53:14,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:53:14,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:53:14,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:53:14,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:53:14" (1/1) ... [2022-10-17 10:53:14,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:53:14" (1/1) ... [2022-10-17 10:53:14,194 INFO L138 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2022-10-17 10:53:14,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:53:14,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:53:14,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:53:14,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:53:14,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:53:14" (1/1) ... [2022-10-17 10:53:14,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:53:14" (1/1) ... [2022-10-17 10:53:14,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:53:14" (1/1) ... [2022-10-17 10:53:14,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:53:14" (1/1) ... [2022-10-17 10:53:14,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:53:14" (1/1) ... [2022-10-17 10:53:14,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:53:14" (1/1) ... [2022-10-17 10:53:14,224 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:53:14" (1/1) ... [2022-10-17 10:53:14,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:53:14" (1/1) ... [2022-10-17 10:53:14,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:53:14,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:53:14,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:53:14,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:53:14,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:53:14" (1/1) ... [2022-10-17 10:53:14,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:14,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:14,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:14,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:53:14,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:53:14,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:53:14,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:53:14,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:53:14,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:53:14,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:53:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:53:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:53:14,409 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:53:14,411 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:53:14,642 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:53:14,649 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:53:14,649 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 10:53:14,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:53:14 BoogieIcfgContainer [2022-10-17 10:53:14,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:53:14,653 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:53:14,653 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:53:14,674 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:53:14,675 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:53:14,675 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:53:13" (1/3) ... [2022-10-17 10:53:14,676 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47f85db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:53:14, skipping insertion in model container [2022-10-17 10:53:14,676 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:53:14,676 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:53:14" (2/3) ... [2022-10-17 10:53:14,677 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47f85db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:53:14, skipping insertion in model container [2022-10-17 10:53:14,677 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:53:14,677 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:53:14" (3/3) ... [2022-10-17 10:53:14,679 INFO L332 chiAutomizerObserver]: Analyzing ICFG string-2.i [2022-10-17 10:53:14,757 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:53:14,757 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:53:14,757 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:53:14,757 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:53:14,758 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:53:14,758 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:53:14,758 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:53:14,758 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:53:14,763 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.625) internal successors, (39), 24 states have internal predecessors, (39), 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) [2022-10-17 10:53:14,795 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2022-10-17 10:53:14,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:53:14,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:53:14,802 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:53:14,807 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:53:14,807 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:53:14,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.625) internal successors, (39), 24 states have internal predecessors, (39), 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) [2022-10-17 10:53:14,812 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2022-10-17 10:53:14,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:53:14,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:53:14,813 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:53:14,813 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:53:14,837 INFO L748 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 7#L35-3true [2022-10-17 10:53:14,837 INFO L750 eck$LassoCheckResult]: Loop: 7#L35-3true assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 9#L35-2true main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 7#L35-3true [2022-10-17 10:53:14,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:14,855 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-10-17 10:53:14,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:14,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854670772] [2022-10-17 10:53:14,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:14,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:15,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:15,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:53:15,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:15,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-10-17 10:53:15,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:15,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125080282] [2022-10-17 10:53:15,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:15,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:15,121 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:15,144 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:53:15,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:15,154 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-10-17 10:53:15,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:15,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376745052] [2022-10-17 10:53:15,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:15,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:15,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:15,262 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:53:15,886 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:53:15,887 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:53:15,887 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:53:15,888 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:53:15,889 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:53:15,890 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:15,890 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:53:15,891 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:53:15,891 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-2.i_Iteration1_Lasso [2022-10-17 10:53:15,891 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:53:15,892 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:53:15,923 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:15,937 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:15,943 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:15,948 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:15,952 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:15,956 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:15,961 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:15,966 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:15,978 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:15,981 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:15,984 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:15,988 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:15,991 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:16,351 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:16,354 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:16,357 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:16,360 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:16,363 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:16,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:16,368 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:16,371 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:16,374 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:16,762 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:53:16,767 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:53:16,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:16,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:16,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:16,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:53:16,801 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 [2022-10-17 10:53:16,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:16,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:16,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:16,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:16,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:16,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:16,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:16,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:16,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:16,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:16,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:16,876 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:16,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:53:16,883 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 [2022-10-17 10:53:16,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:16,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:16,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:16,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:16,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:16,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:16,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:16,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:16,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:16,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:16,975 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:16,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:53:16,980 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 [2022-10-17 10:53:16,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:16,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:16,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:16,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:16,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:16,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:16,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:17,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:17,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:17,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:17,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:17,051 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:17,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:53:17,058 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 [2022-10-17 10:53:17,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:17,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:17,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:17,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:17,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:17,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:17,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:17,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:17,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:17,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:17,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:17,137 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:17,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:53:17,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:17,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:17,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:17,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:17,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:17,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:53:17,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:17,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:17,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:17,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:17,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:17,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:17,191 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:17,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:53:17,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:53:17,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:17,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:17,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:17,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:17,205 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:17,205 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:17,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:17,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-10-17 10:53:17,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:17,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:17,254 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:17,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:53:17,257 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 [2022-10-17 10:53:17,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:17,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:17,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:17,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:17,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:17,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:17,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:17,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:17,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-10-17 10:53:17,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:17,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:17,298 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:17,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:53:17,300 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 [2022-10-17 10:53:17,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:17,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:17,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:17,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:17,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:17,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:17,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:17,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:17,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:17,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:17,382 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:17,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-10-17 10:53:17,385 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 [2022-10-17 10:53:17,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:17,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:17,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:17,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:17,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:17,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:17,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:17,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:17,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:17,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:17,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:17,431 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:17,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-10-17 10:53:17,436 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 [2022-10-17 10:53:17,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:17,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:17,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:17,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:17,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:17,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:17,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:17,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:17,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:17,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:17,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:17,478 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:17,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-10-17 10:53:17,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:53:17,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:17,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:17,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:17,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:17,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:17,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:17,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:17,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:17,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:17,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:17,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:17,517 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:17,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-10-17 10:53:17,519 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 [2022-10-17 10:53:17,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:17,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:17,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:17,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:17,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:17,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:17,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:17,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:17,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:17,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:17,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:17,569 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:17,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-10-17 10:53:17,574 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 [2022-10-17 10:53:17,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:17,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:17,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:17,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:17,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:17,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:17,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:17,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:17,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:17,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:17,662 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:17,671 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 [2022-10-17 10:53:17,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:17,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:17,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:17,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:17,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:17,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:17,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:17,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-10-17 10:53:17,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:17,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:17,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:17,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:17,743 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:17,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:53:17,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:17,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:17,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:17,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:17,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:17,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:17,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-10-17 10:53:17,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:17,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:17,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:17,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:17,823 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:17,829 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 [2022-10-17 10:53:17,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:17,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:17,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:17,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:17,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:17,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:17,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-10-17 10:53:17,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:17,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:17,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:17,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:17,891 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:17,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-10-17 10:53:17,893 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 [2022-10-17 10:53:17,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:17,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:17,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:17,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:17,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:17,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:17,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:17,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:17,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:17,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:17,970 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:17,983 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 [2022-10-17 10:53:17,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-10-17 10:53:17,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:17,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:17,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:17,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:17,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:17,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:18,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:18,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:18,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:18,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:18,055 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:18,064 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 [2022-10-17 10:53:18,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:18,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:18,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:18,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:18,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:18,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:18,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-10-17 10:53:18,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:18,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:18,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:18,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:18,138 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:18,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-10-17 10:53:18,142 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 [2022-10-17 10:53:18,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:18,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:18,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:18,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:18,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:18,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:18,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:18,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:18,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:18,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:18,208 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:18,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-10-17 10:53:18,210 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 [2022-10-17 10:53:18,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:18,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:18,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:18,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:18,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:18,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:18,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:18,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:18,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:18,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:18,298 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:18,301 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 [2022-10-17 10:53:18,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:18,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:18,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:18,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:18,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:18,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:18,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:18,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-10-17 10:53:18,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:18,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-10-17 10:53:18,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:18,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:18,367 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:18,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-10-17 10:53:18,369 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 [2022-10-17 10:53:18,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:18,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:18,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:18,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:18,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:18,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:18,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:18,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:18,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:18,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:18,450 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:18,452 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 [2022-10-17 10:53:18,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-10-17 10:53:18,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:18,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:18,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:18,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:18,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:18,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:18,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:18,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:18,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:18,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:18,502 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:18,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-10-17 10:53:18,503 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 [2022-10-17 10:53:18,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:18,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:18,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:18,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:18,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:18,517 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:18,541 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:53:18,622 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-10-17 10:53:18,622 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-10-17 10:53:18,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:18,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:18,629 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:18,631 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:53:18,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-10-17 10:53:18,656 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-10-17 10:53:18,656 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:53:18,656 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 9*v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_1 - 2*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-10-17 10:53:18,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:18,738 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2022-10-17 10:53:18,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:53:18,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:53:18,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:53:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:53:18,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 10:53:18,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:53:18,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:18,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:53:18,952 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 [2022-10-17 10:53:18,955 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.625) internal successors, (39), 24 states have internal predecessors, (39), 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) [2022-10-17 10:53:19,031 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.625) internal successors, (39), 24 states have internal predecessors, (39), 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 50 states and 80 transitions. Complement of second has 8 states. [2022-10-17 10:53:19,034 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 [2022-10-17 10:53:19,042 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) [2022-10-17 10:53:19,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 40 transitions. [2022-10-17 10:53:19,045 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 2 letters. Loop has 2 letters. [2022-10-17 10:53:19,046 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:53:19,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 4 letters. Loop has 2 letters. [2022-10-17 10:53:19,046 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:53:19,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 2 letters. Loop has 4 letters. [2022-10-17 10:53:19,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:53:19,048 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 80 transitions. [2022-10-17 10:53:19,064 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-10-17 10:53:19,073 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 19 states and 28 transitions. [2022-10-17 10:53:19,074 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-10-17 10:53:19,075 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-10-17 10:53:19,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 28 transitions. [2022-10-17 10:53:19,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:53:19,076 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 28 transitions. [2022-10-17 10:53:19,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 28 transitions. [2022-10-17 10:53:19,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-10-17 10:53:19,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:53:19,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 28 transitions. [2022-10-17 10:53:19,121 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 28 transitions. [2022-10-17 10:53:19,121 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 28 transitions. [2022-10-17 10:53:19,122 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:53:19,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 28 transitions. [2022-10-17 10:53:19,125 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-10-17 10:53:19,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:53:19,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:53:19,126 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-10-17 10:53:19,126 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:53:19,126 INFO L748 eck$LassoCheckResult]: Stem: 151#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 152#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 160#L35-3 assume !(main_~i~0#1 < 5); 157#L35-4 call main_#t~mem3#1 := read~int(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 158#L37 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 148#L39-3 [2022-10-17 10:53:19,128 INFO L750 eck$LassoCheckResult]: Loop: 148#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 150#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 148#L39-3 [2022-10-17 10:53:19,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:19,130 INFO L85 PathProgramCache]: Analyzing trace with hash 28696938, now seen corresponding path program 1 times [2022-10-17 10:53:19,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:19,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711472336] [2022-10-17 10:53:19,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:19,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:53:19,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:53:19,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:53:19,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711472336] [2022-10-17 10:53:19,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711472336] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:53:19,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:53:19,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:53:19,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555579730] [2022-10-17 10:53:19,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:53:19,228 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:53:19,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:19,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times [2022-10-17 10:53:19,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:19,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714951768] [2022-10-17 10:53:19,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:19,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:19,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:19,244 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:53:19,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:53:19,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:53:19,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:53:19,297 INFO L87 Difference]: Start difference. First operand 19 states and 28 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:53:19,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:53:19,330 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2022-10-17 10:53:19,331 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2022-10-17 10:53:19,332 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-10-17 10:53:19,334 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 30 transitions. [2022-10-17 10:53:19,334 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2022-10-17 10:53:19,335 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2022-10-17 10:53:19,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 30 transitions. [2022-10-17 10:53:19,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:53:19,336 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 30 transitions. [2022-10-17 10:53:19,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 30 transitions. [2022-10-17 10:53:19,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 20. [2022-10-17 10:53:19,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 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) [2022-10-17 10:53:19,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2022-10-17 10:53:19,340 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-10-17 10:53:19,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:53:19,342 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-10-17 10:53:19,342 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:53:19,342 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2022-10-17 10:53:19,343 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-10-17 10:53:19,343 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:53:19,343 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:53:19,344 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:53:19,344 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:53:19,344 INFO L748 eck$LassoCheckResult]: Stem: 199#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 200#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 208#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 209#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 210#L35-3 assume !(main_~i~0#1 < 5); 205#L35-4 call main_#t~mem3#1 := read~int(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 206#L37 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 195#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 196#L39-2 [2022-10-17 10:53:19,344 INFO L750 eck$LassoCheckResult]: Loop: 196#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 212#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 196#L39-2 [2022-10-17 10:53:19,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:19,345 INFO L85 PathProgramCache]: Analyzing trace with hash 265181045, now seen corresponding path program 1 times [2022-10-17 10:53:19,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:19,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895778644] [2022-10-17 10:53:19,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:19,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:53:19,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:53:19,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:53:19,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895778644] [2022-10-17 10:53:19,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895778644] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:53:19,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170490743] [2022-10-17 10:53:19,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:19,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:53:19,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:19,430 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:53:19,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-10-17 10:53:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:53:19,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 10:53:19,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:53:19,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:53:19,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:53:19,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:53:19,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170490743] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:53:19,551 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:53:19,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-10-17 10:53:19,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394546293] [2022-10-17 10:53:19,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:53:19,552 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:53:19,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:19,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1951, now seen corresponding path program 2 times [2022-10-17 10:53:19,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:19,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9941549] [2022-10-17 10:53:19,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:19,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:19,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:19,580 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:53:19,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:53:19,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:53:19,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:53:19,644 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 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) [2022-10-17 10:53:19,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:53:19,780 INFO L93 Difference]: Finished difference Result 40 states and 49 transitions. [2022-10-17 10:53:19,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 49 transitions. [2022-10-17 10:53:19,782 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-10-17 10:53:19,783 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 40 states and 49 transitions. [2022-10-17 10:53:19,783 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2022-10-17 10:53:19,784 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2022-10-17 10:53:19,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 49 transitions. [2022-10-17 10:53:19,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:53:19,784 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 49 transitions. [2022-10-17 10:53:19,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 49 transitions. [2022-10-17 10:53:19,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 32. [2022-10-17 10:53:19,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 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) [2022-10-17 10:53:19,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2022-10-17 10:53:19,797 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 37 transitions. [2022-10-17 10:53:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:53:19,799 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 37 transitions. [2022-10-17 10:53:19,799 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-10-17 10:53:19,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 37 transitions. [2022-10-17 10:53:19,800 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-10-17 10:53:19,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:53:19,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:53:19,801 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 1, 1, 1, 1, 1] [2022-10-17 10:53:19,801 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:53:19,802 INFO L748 eck$LassoCheckResult]: Stem: 311#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 312#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 320#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 321#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 322#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 323#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 338#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 337#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 336#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 335#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 334#L35-3 assume !(main_~i~0#1 < 5); 317#L35-4 call main_#t~mem3#1 := read~int(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 318#L37 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 307#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 308#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 325#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 333#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 332#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 331#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 330#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 329#L39-2 [2022-10-17 10:53:19,802 INFO L750 eck$LassoCheckResult]: Loop: 329#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 328#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 329#L39-2 [2022-10-17 10:53:19,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:19,802 INFO L85 PathProgramCache]: Analyzing trace with hash 213314517, now seen corresponding path program 1 times [2022-10-17 10:53:19,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:19,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008516135] [2022-10-17 10:53:19,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:19,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:53:20,064 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 10:53:20,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:53:20,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008516135] [2022-10-17 10:53:20,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008516135] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:53:20,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952166781] [2022-10-17 10:53:20,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:20,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:53:20,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:20,074 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:53:20,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-10-17 10:53:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:53:20,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 10:53:20,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:53:20,244 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 10:53:20,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:53:20,311 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 10:53:20,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952166781] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:53:20,311 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:53:20,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2022-10-17 10:53:20,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004000667] [2022-10-17 10:53:20,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:53:20,312 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:53:20,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:20,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1951, now seen corresponding path program 3 times [2022-10-17 10:53:20,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:20,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453359718] [2022-10-17 10:53:20,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:20,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:20,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:20,345 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:53:20,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:53:20,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-17 10:53:20,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-10-17 10:53:20,402 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. cyclomatic complexity: 10 Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:53:20,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:53:20,520 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2022-10-17 10:53:20,521 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 56 transitions. [2022-10-17 10:53:20,532 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-10-17 10:53:20,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 56 transitions. [2022-10-17 10:53:20,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2022-10-17 10:53:20,537 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2022-10-17 10:53:20,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 56 transitions. [2022-10-17 10:53:20,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:53:20,538 INFO L218 hiAutomatonCegarLoop]: Abstraction has 46 states and 56 transitions. [2022-10-17 10:53:20,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 56 transitions. [2022-10-17 10:53:20,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 36. [2022-10-17 10:53:20,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 35 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) [2022-10-17 10:53:20,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2022-10-17 10:53:20,548 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 41 transitions. [2022-10-17 10:53:20,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:53:20,550 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 41 transitions. [2022-10-17 10:53:20,550 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-10-17 10:53:20,550 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 41 transitions. [2022-10-17 10:53:20,553 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-10-17 10:53:20,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:53:20,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:53:20,555 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 4, 1, 1, 1, 1, 1] [2022-10-17 10:53:20,556 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:53:20,556 INFO L748 eck$LassoCheckResult]: Stem: 514#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 515#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 523#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 524#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 525#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 526#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 545#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 544#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 543#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 542#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 541#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 540#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 539#L35-3 assume !(main_~i~0#1 < 5); 520#L35-4 call main_#t~mem3#1 := read~int(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 521#L37 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 527#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 529#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 510#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 511#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 538#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 537#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 536#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 535#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 534#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 533#L39-2 [2022-10-17 10:53:20,556 INFO L750 eck$LassoCheckResult]: Loop: 533#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 532#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 533#L39-2 [2022-10-17 10:53:20,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:20,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1212159477, now seen corresponding path program 2 times [2022-10-17 10:53:20,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:20,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263125387] [2022-10-17 10:53:20,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:20,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:20,645 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:20,695 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:53:20,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:20,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1951, now seen corresponding path program 4 times [2022-10-17 10:53:20,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:20,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056391160] [2022-10-17 10:53:20,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:20,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:20,709 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:20,715 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:53:20,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:20,716 INFO L85 PathProgramCache]: Analyzing trace with hash 949121171, now seen corresponding path program 3 times [2022-10-17 10:53:20,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:20,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214833159] [2022-10-17 10:53:20,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:20,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:53:20,959 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-17 10:53:20,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:53:20,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214833159] [2022-10-17 10:53:20,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214833159] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:53:20,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505537498] [2022-10-17 10:53:20,960 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-17 10:53:20,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:53:20,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:20,968 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:53:20,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-10-17 10:53:21,099 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-10-17 10:53:21,099 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-17 10:53:21,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 10:53:21,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:53:21,142 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-17 10:53:21,142 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:53:21,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505537498] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:53:21,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-17 10:53:21,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2022-10-17 10:53:21,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159146447] [2022-10-17 10:53:21,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:53:21,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:53:21,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-17 10:53:21,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:53:21,188 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. cyclomatic complexity: 10 Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:53:21,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:53:21,326 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2022-10-17 10:53:21,326 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 57 transitions. [2022-10-17 10:53:21,327 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-10-17 10:53:21,328 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 48 states and 57 transitions. [2022-10-17 10:53:21,328 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2022-10-17 10:53:21,328 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2022-10-17 10:53:21,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 57 transitions. [2022-10-17 10:53:21,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:53:21,329 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 57 transitions. [2022-10-17 10:53:21,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 57 transitions. [2022-10-17 10:53:21,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 36. [2022-10-17 10:53:21,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 35 states have internal predecessors, (39), 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) [2022-10-17 10:53:21,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2022-10-17 10:53:21,333 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 39 transitions. [2022-10-17 10:53:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-17 10:53:21,335 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 39 transitions. [2022-10-17 10:53:21,335 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-10-17 10:53:21,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 39 transitions. [2022-10-17 10:53:21,336 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-10-17 10:53:21,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:53:21,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:53:21,337 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:53:21,337 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:53:21,337 INFO L748 eck$LassoCheckResult]: Stem: 687#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 688#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 696#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 697#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 701#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 718#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 717#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 716#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 715#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 714#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 713#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 712#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 710#L35-3 assume !(main_~i~0#1 < 5); 693#L35-4 call main_#t~mem3#1 := read~int(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 694#L37 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 683#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 684#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 699#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 711#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 709#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 708#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 707#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 706#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 705#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 704#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 703#L39-3 assume !(main_~i~0#1 < 5); 702#L39-4 call main_#t~mem6#1 := read~int(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 698#L41 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 689#L44-3 [2022-10-17 10:53:21,338 INFO L750 eck$LassoCheckResult]: Loop: 689#L44-3 call main_#t~mem7#1 := read~int(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 690#L44-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 689#L44-3 [2022-10-17 10:53:21,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:21,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1572377782, now seen corresponding path program 1 times [2022-10-17 10:53:21,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:21,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480685436] [2022-10-17 10:53:21,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:21,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:21,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:21,399 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:53:21,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:21,400 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 1 times [2022-10-17 10:53:21,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:21,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135290805] [2022-10-17 10:53:21,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:21,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:21,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:21,408 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:53:21,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:21,409 INFO L85 PathProgramCache]: Analyzing trace with hash -773438245, now seen corresponding path program 1 times [2022-10-17 10:53:21,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:21,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781670408] [2022-10-17 10:53:21,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:21,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:21,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:21,459 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:53:27,095 WARN L233 SmtUtils]: Spent 5.59s on a formula simplification. DAG size of input: 232 DAG size of output: 176 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-10-17 10:53:27,572 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:53:27,572 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:53:27,572 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:53:27,572 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:53:27,572 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:53:27,573 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:27,573 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:53:27,573 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:53:27,573 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-2.i_Iteration6_Lasso [2022-10-17 10:53:27,573 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:53:27,573 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:53:27,586 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:27,590 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:27,593 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:27,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:27,598 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:27,600 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:29,105 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:29,108 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:29,111 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:29,114 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:29,116 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:29,119 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:29,121 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:29,124 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:29,126 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:29,128 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:29,131 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:29,133 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:29,136 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:29,138 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:29,140 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:29,567 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:53:29,567 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:53:29,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:29,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:29,587 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:29,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-10-17 10:53:29,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:53:29,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:29,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:29,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:29,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:29,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:29,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:29,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:29,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:29,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:29,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:29,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:29,623 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:29,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-10-17 10:53:29,625 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 [2022-10-17 10:53:29,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:29,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:29,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:29,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:29,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:29,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:29,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:29,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:29,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:29,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:29,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:29,659 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:29,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-10-17 10:53:29,661 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 [2022-10-17 10:53:29,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:29,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:29,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:29,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:29,671 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:29,671 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:29,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:29,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-10-17 10:53:29,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:29,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:29,720 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:29,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-10-17 10:53:29,722 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 [2022-10-17 10:53:29,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:29,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:29,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:29,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:29,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:29,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:29,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:29,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:29,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:29,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:29,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:29,758 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:29,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-10-17 10:53:29,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:53:29,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:29,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:29,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:29,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:29,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:29,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:29,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:29,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:29,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:29,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:29,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:29,805 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:29,807 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 [2022-10-17 10:53:29,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-10-17 10:53:29,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:29,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:29,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:29,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:29,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:29,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:29,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:29,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:29,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:29,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:29,857 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:29,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-10-17 10:53:29,858 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 [2022-10-17 10:53:29,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:29,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:29,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:29,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:29,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:29,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:29,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:29,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:29,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:29,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:29,909 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:29,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-10-17 10:53:29,912 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 [2022-10-17 10:53:29,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:29,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:29,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:29,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:29,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:29,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:29,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:29,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-10-17 10:53:29,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:29,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:29,955 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:29,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-10-17 10:53:29,957 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 [2022-10-17 10:53:29,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:29,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:29,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:29,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:29,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:29,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:29,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:29,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-10-17 10:53:29,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:29,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:29,993 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:29,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-10-17 10:53:29,996 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 [2022-10-17 10:53:30,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:30,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:30,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:30,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:30,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:30,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:30,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:30,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-10-17 10:53:30,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:30,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:30,033 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:30,034 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 [2022-10-17 10:53:30,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-10-17 10:53:30,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:30,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:30,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:30,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:30,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:30,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:30,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:30,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:30,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:30,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:30,070 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:30,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-10-17 10:53:30,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:53:30,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:30,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:30,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:30,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:30,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:30,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:30,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:30,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:30,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:30,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:30,105 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:30,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-10-17 10:53:30,106 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 [2022-10-17 10:53:30,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:30,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:30,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:30,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:30,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:30,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:30,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:30,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-10-17 10:53:30,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:30,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:30,159 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:30,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-10-17 10:53:30,162 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 [2022-10-17 10:53:30,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:30,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:30,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:30,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:30,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:30,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:30,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:30,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:30,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:30,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:30,199 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:30,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-10-17 10:53:30,200 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 [2022-10-17 10:53:30,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:30,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:30,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:30,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:30,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:30,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:30,225 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:53:30,239 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-10-17 10:53:30,239 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-10-17 10:53:30,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:30,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:30,241 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:30,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-10-17 10:53:30,245 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:53:30,254 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-10-17 10:53:30,254 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:53:30,254 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_2, ULTIMATE.start_main_~nc_A~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_2 - 1*ULTIMATE.start_main_~nc_A~0#1 Supporting invariants [] [2022-10-17 10:53:30,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:30,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:30,574 INFO L156 tatePredicateManager]: 43 out of 44 supporting invariants were superfluous and have been removed [2022-10-17 10:53:30,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:53:30,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:53:30,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:53:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:53:30,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 10:53:30,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:53:30,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:53:30,781 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-10-17 10:53:30,782 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 39 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) [2022-10-17 10:53:30,825 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 39 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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 44 states and 51 transitions. Complement of second has 5 states. [2022-10-17 10:53:30,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:53:30,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) [2022-10-17 10:53:30,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2022-10-17 10:53:30,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 28 letters. Loop has 2 letters. [2022-10-17 10:53:30,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:53:30,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 30 letters. Loop has 2 letters. [2022-10-17 10:53:30,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:53:30,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 28 letters. Loop has 4 letters. [2022-10-17 10:53:30,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:53:30,830 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 51 transitions. [2022-10-17 10:53:30,831 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-10-17 10:53:30,832 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 38 states and 42 transitions. [2022-10-17 10:53:30,832 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2022-10-17 10:53:30,832 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2022-10-17 10:53:30,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 42 transitions. [2022-10-17 10:53:30,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:53:30,833 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 42 transitions. [2022-10-17 10:53:30,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 42 transitions. [2022-10-17 10:53:30,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-10-17 10:53:30,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.105263157894737) internal successors, (42), 37 states have internal predecessors, (42), 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) [2022-10-17 10:53:30,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2022-10-17 10:53:30,837 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 42 transitions. [2022-10-17 10:53:30,837 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 42 transitions. [2022-10-17 10:53:30,837 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-10-17 10:53:30,837 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 42 transitions. [2022-10-17 10:53:30,838 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-10-17 10:53:30,838 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:53:30,838 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:53:30,839 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:53:30,839 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:53:30,840 INFO L748 eck$LassoCheckResult]: Stem: 1059#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 1060#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 1070#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1077#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1071#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1072#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1092#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1091#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1090#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1089#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1088#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1087#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1086#L35-3 assume !(main_~i~0#1 < 5); 1067#L35-4 call main_#t~mem3#1 := read~int(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 1068#L37 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 1055#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1056#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1074#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1085#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1084#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1083#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1082#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1081#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1080#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1079#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1078#L39-3 assume !(main_~i~0#1 < 5); 1076#L39-4 call main_#t~mem6#1 := read~int(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 1073#L41 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 1061#L44-3 call main_#t~mem7#1 := read~int(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1063#L44-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 1065#L44-4 main_~nc_B~0#1 := 0; 1066#L48-3 [2022-10-17 10:53:30,840 INFO L750 eck$LassoCheckResult]: Loop: 1066#L48-3 call main_#t~mem9#1 := read~int(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 1075#L48-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1066#L48-3 [2022-10-17 10:53:30,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:30,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1793218173, now seen corresponding path program 1 times [2022-10-17 10:53:30,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:30,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471267957] [2022-10-17 10:53:30,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:30,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:30,867 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:30,890 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:53:30,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:30,891 INFO L85 PathProgramCache]: Analyzing trace with hash 2854, now seen corresponding path program 1 times [2022-10-17 10:53:30,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:30,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978214177] [2022-10-17 10:53:30,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:30,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:30,895 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:30,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:53:30,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:30,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1000780450, now seen corresponding path program 1 times [2022-10-17 10:53:30,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:30,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098187558] [2022-10-17 10:53:30,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:30,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:30,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:30,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:53:36,570 WARN L233 SmtUtils]: Spent 5.56s on a formula simplification. DAG size of input: 243 DAG size of output: 185 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-10-17 10:53:37,281 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:53:37,281 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:53:37,281 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:53:37,281 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:53:37,281 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:53:37,281 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:37,281 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:53:37,281 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:53:37,281 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-2.i_Iteration7_Lasso [2022-10-17 10:53:37,281 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:53:37,282 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:53:37,285 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:37,295 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:37,297 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:37,299 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:37,303 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:37,305 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:37,307 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:37,309 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:37,312 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:37,315 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:37,317 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:37,320 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:37,323 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:37,325 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:37,328 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:37,330 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:37,333 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:37,335 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:37,337 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:38,695 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:39,075 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:53:39,075 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:53:39,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,076 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,083 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 [2022-10-17 10:53:39,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:39,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:39,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:39,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-10-17 10:53:39,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:39,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-10-17 10:53:39,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,131 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-10-17 10:53:39,132 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 [2022-10-17 10:53:39,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:39,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:39,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:39,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:39,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-10-17 10:53:39,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,171 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-10-17 10:53:39,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:53:39,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:39,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:39,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:39,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:39,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-10-17 10:53:39,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,202 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-10-17 10:53:39,217 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 [2022-10-17 10:53:39,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:39,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:39,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:39,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:39,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,255 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,257 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 [2022-10-17 10:53:39,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-10-17 10:53:39,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:39,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:39,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:39,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:39,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:39,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,288 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,290 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 [2022-10-17 10:53:39,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:39,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,300 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:39,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:39,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-10-17 10:53:39,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:39,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-10-17 10:53:39,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,338 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,351 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 [2022-10-17 10:53:39,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-10-17 10:53:39,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:39,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:39,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:39,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:39,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:39,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,382 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-10-17 10:53:39,383 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 [2022-10-17 10:53:39,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:39,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:39,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:39,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:39,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-10-17 10:53:39,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,412 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-10-17 10:53:39,414 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 [2022-10-17 10:53:39,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:39,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:39,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:39,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-10-17 10:53:39,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,446 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-10-17 10:53:39,447 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 [2022-10-17 10:53:39,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:39,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:39,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:39,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:39,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:39,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,478 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,501 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 [2022-10-17 10:53:39,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-10-17 10:53:39,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:39,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:39,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:39,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:39,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:39,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,555 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:53:39,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-10-17 10:53:39,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,577 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:39,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:39,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:39,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:39,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,627 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:53:39,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:39,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-10-17 10:53:39,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:39,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:39,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:39,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-10-17 10:53:39,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,663 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-10-17 10:53:39,665 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 [2022-10-17 10:53:39,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:39,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:39,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:39,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:39,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-10-17 10:53:39,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,725 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-10-17 10:53:39,775 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 [2022-10-17 10:53:39,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:39,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:39,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:39,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:39,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:39,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,843 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,845 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 [2022-10-17 10:53:39,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:39,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:39,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:39,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-10-17 10:53:39,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:39,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:39,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,884 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-10-17 10:53:39,886 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 [2022-10-17 10:53:39,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:39,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:39,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:39,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:39,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-10-17 10:53:39,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,914 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-10-17 10:53:39,916 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 [2022-10-17 10:53:39,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:39,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:39,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:39,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:39,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2022-10-17 10:53:39,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,944 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-10-17 10:53:39,950 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 [2022-10-17 10:53:39,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:39,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:39,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:39,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-10-17 10:53:39,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:39,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:39,981 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:39,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-10-17 10:53:39,982 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 [2022-10-17 10:53:39,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:39,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:39,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:39,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:39,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:39,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:39,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:40,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:40,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:40,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:40,013 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:40,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-10-17 10:53:40,016 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 [2022-10-17 10:53:40,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:40,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:40,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:40,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:40,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:40,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:40,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:40,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-10-17 10:53:40,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:40,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:40,046 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:40,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-10-17 10:53:40,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:53:40,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:40,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:40,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:40,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:40,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:40,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:40,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:40,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:40,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:40,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:40,078 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:40,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-10-17 10:53:40,080 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 [2022-10-17 10:53:40,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:40,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:40,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:40,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:40,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:40,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:40,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:40,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2022-10-17 10:53:40,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:40,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:40,153 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:40,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-10-17 10:53:40,155 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 [2022-10-17 10:53:40,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:40,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:40,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:40,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:40,163 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:40,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:40,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:40,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2022-10-17 10:53:40,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:40,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:40,206 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:40,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-10-17 10:53:40,207 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 [2022-10-17 10:53:40,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:40,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:40,214 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:53:40,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:40,217 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-10-17 10:53:40,217 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-10-17 10:53:40,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:40,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2022-10-17 10:53:40,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:40,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:40,246 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:40,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-10-17 10:53:40,247 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 [2022-10-17 10:53:40,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:40,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:40,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:40,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:40,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:40,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:40,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:40,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-10-17 10:53:40,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:40,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:40,278 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:40,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-10-17 10:53:40,280 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 [2022-10-17 10:53:40,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:40,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:40,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:40,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:40,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:40,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:40,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:40,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:40,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:40,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:40,310 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:40,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-10-17 10:53:40,311 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 [2022-10-17 10:53:40,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:40,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:40,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:40,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:40,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:40,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:40,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:40,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2022-10-17 10:53:40,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:40,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:40,341 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:40,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-10-17 10:53:40,342 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 [2022-10-17 10:53:40,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:40,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:40,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:40,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:40,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:40,350 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:40,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:40,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2022-10-17 10:53:40,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:40,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:40,371 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:40,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-10-17 10:53:40,372 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 [2022-10-17 10:53:40,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:40,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:40,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:40,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:40,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:40,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:40,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:40,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2022-10-17 10:53:40,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:40,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:40,402 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:40,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-10-17 10:53:40,403 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 [2022-10-17 10:53:40,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:40,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:40,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:40,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:40,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:40,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:40,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:40,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2022-10-17 10:53:40,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:40,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:40,432 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:40,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-10-17 10:53:40,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:53:40,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:40,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:40,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:40,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:40,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:40,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:40,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:40,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:40,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2022-10-17 10:53:40,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:40,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:40,461 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:40,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-10-17 10:53:40,462 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 [2022-10-17 10:53:40,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:40,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:40,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:40,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:40,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:40,470 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:40,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:40,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2022-10-17 10:53:40,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:40,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:40,492 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:40,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-10-17 10:53:40,493 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 [2022-10-17 10:53:40,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:40,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:40,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:40,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:40,502 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:40,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:40,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:40,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2022-10-17 10:53:40,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:40,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:40,526 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:40,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-10-17 10:53:40,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:53:40,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:40,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:40,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:40,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:40,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:40,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:40,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:40,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2022-10-17 10:53:40,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:40,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:40,557 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:40,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-10-17 10:53:40,558 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 [2022-10-17 10:53:40,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:40,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:40,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:40,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:40,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:40,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:40,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:40,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2022-10-17 10:53:40,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:40,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:40,589 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:40,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-10-17 10:53:40,590 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 [2022-10-17 10:53:40,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:40,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:40,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:40,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:40,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:40,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:40,615 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:53:40,655 INFO L443 ModelExtractionUtils]: Simplification made 26 calls to the SMT solver. [2022-10-17 10:53:40,655 INFO L444 ModelExtractionUtils]: 0 out of 19 variables were initially zero. Simplification set additionally 16 variables to zero. [2022-10-17 10:53:40,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:40,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:40,656 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:40,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-10-17 10:53:40,657 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:53:40,665 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-10-17 10:53:40,665 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:53:40,665 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#string_B~0#1.base)_3, ULTIMATE.start_main_~nc_B~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#string_B~0#1.base)_3 - 1*ULTIMATE.start_main_~nc_B~0#1 Supporting invariants [] [2022-10-17 10:53:40,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:40,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:40,911 INFO L156 tatePredicateManager]: 38 out of 41 supporting invariants were superfluous and have been removed [2022-10-17 10:53:40,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:53:40,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 10:53:40,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:53:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:53:41,148 WARN L261 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 10:53:41,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:53:41,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:53:41,176 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-10-17 10:53:41,177 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 42 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:53:41,249 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 42 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 61 transitions. Complement of second has 9 states. [2022-10-17 10:53:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 1 non-accepting loop states 2 accepting loop states [2022-10-17 10:53:41,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:53:41,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 28 transitions. [2022-10-17 10:53:41,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 28 transitions. Stem has 31 letters. Loop has 2 letters. [2022-10-17 10:53:41,252 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:53:41,252 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 28 transitions. Stem has 33 letters. Loop has 2 letters. [2022-10-17 10:53:41,252 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:53:41,252 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 28 transitions. Stem has 31 letters. Loop has 4 letters. [2022-10-17 10:53:41,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:53:41,253 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 61 transitions. [2022-10-17 10:53:41,254 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-10-17 10:53:41,255 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 41 states and 45 transitions. [2022-10-17 10:53:41,255 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2022-10-17 10:53:41,255 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2022-10-17 10:53:41,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 45 transitions. [2022-10-17 10:53:41,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:53:41,256 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 45 transitions. [2022-10-17 10:53:41,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 45 transitions. [2022-10-17 10:53:41,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2022-10-17 10:53:41,258 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) [2022-10-17 10:53:41,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2022-10-17 10:53:41,259 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 41 transitions. [2022-10-17 10:53:41,259 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 41 transitions. [2022-10-17 10:53:41,259 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-10-17 10:53:41,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 41 transitions. [2022-10-17 10:53:41,260 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-10-17 10:53:41,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:53:41,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:53:41,261 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:53:41,262 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:53:41,262 INFO L748 eck$LassoCheckResult]: Stem: 1448#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 1449#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 1459#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1460#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1464#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1481#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1480#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1479#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1478#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1477#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1476#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1475#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1474#L35-3 assume !(main_~i~0#1 < 5); 1456#L35-4 call main_#t~mem3#1 := read~int(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 1457#L37 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 1446#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1447#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1462#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1473#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1472#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1471#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1470#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1469#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1468#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1467#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1466#L39-3 assume !(main_~i~0#1 < 5); 1465#L39-4 call main_#t~mem6#1 := read~int(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 1461#L41 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 1450#L44-3 call main_#t~mem7#1 := read~int(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1451#L44-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1452#L44-3 call main_#t~mem7#1 := read~int(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1453#L44-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 1454#L44-4 main_~nc_B~0#1 := 0; 1455#L48-3 [2022-10-17 10:53:41,262 INFO L750 eck$LassoCheckResult]: Loop: 1455#L48-3 call main_#t~mem9#1 := read~int(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 1463#L48-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1455#L48-3 [2022-10-17 10:53:41,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:41,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1000831032, now seen corresponding path program 1 times [2022-10-17 10:53:41,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:41,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655258530] [2022-10-17 10:53:41,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:41,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:41,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:41,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:53:41,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:41,327 INFO L85 PathProgramCache]: Analyzing trace with hash 2854, now seen corresponding path program 2 times [2022-10-17 10:53:41,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:41,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958441566] [2022-10-17 10:53:41,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:41,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:41,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:41,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:53:41,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:41,335 INFO L85 PathProgramCache]: Analyzing trace with hash -274050659, now seen corresponding path program 1 times [2022-10-17 10:53:41,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:41,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156144779] [2022-10-17 10:53:41,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:41,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:41,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:41,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:53:46,527 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:53:46,528 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:53:46,528 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:53:46,528 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:53:46,528 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:53:46,528 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:46,528 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:53:46,528 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:53:46,528 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-2.i_Iteration8_Lasso [2022-10-17 10:53:46,528 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:53:46,528 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:53:46,534 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:46,537 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:46,539 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:46,541 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:46,543 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:46,545 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:46,547 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:46,549 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:46,551 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:46,554 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:47,681 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:47,683 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:47,687 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:47,690 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:47,692 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:47,694 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:47,696 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:47,698 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:47,700 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:47,702 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:53:48,089 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:53:48,090 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:53:48,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:48,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:48,094 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:48,099 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 [2022-10-17 10:53:48,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:48,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:48,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:48,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:48,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:48,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:48,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:48,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-10-17 10:53:48,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:48,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:48,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:48,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:48,159 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:48,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-10-17 10:53:48,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:53:48,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:48,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:48,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:48,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:48,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:48,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:48,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:48,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:48,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2022-10-17 10:53:48,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:48,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:48,190 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:48,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-10-17 10:53:48,191 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 [2022-10-17 10:53:48,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:48,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:48,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:48,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:48,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:48,198 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:48,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:48,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:48,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2022-10-17 10:53:48,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:48,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:48,219 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:48,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-10-17 10:53:48,222 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 [2022-10-17 10:53:48,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:48,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:48,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:48,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:48,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:48,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:48,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:48,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:48,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2022-10-17 10:53:48,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:48,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:48,250 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:48,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-10-17 10:53:48,251 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 [2022-10-17 10:53:48,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:48,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:48,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:48,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:48,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:48,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:48,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:48,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:48,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:48,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:48,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:48,280 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:48,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-10-17 10:53:48,281 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 [2022-10-17 10:53:48,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:48,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:48,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:48,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:48,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:48,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:48,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:48,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:48,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:48,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:48,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:48,314 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:48,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-10-17 10:53:48,316 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 [2022-10-17 10:53:48,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:48,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:48,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:48,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:48,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:48,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:48,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:48,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:48,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:48,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:48,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:48,352 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:48,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2022-10-17 10:53:48,354 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 [2022-10-17 10:53:48,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:48,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:53:48,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:48,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:48,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:48,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:53:48,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:53:48,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:48,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2022-10-17 10:53:48,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:48,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:48,382 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:48,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-10-17 10:53:48,383 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 [2022-10-17 10:53:48,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:48,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:48,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:48,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:48,391 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:48,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:48,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:53:48,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:48,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:48,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:48,414 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:48,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2022-10-17 10:53:48,415 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 [2022-10-17 10:53:48,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:53:48,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:53:48,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:53:48,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:53:48,427 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:53:48,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:53:48,447 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:53:48,481 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2022-10-17 10:53:48,481 INFO L444 ModelExtractionUtils]: 3 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. [2022-10-17 10:53:48,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:53:48,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:53:48,482 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:53:48,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2022-10-17 10:53:48,483 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:53:48,492 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-10-17 10:53:48,492 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:53:48,492 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nc_B~0#1) = -2*ULTIMATE.start_main_~nc_B~0#1 + 9 Supporting invariants [5*ULTIMATE.start_main_~nc_A~0#1 - 1*v_rep(select #length ULTIMATE.start_main_~#string_B~0#1.base)_4 >= 0] [2022-10-17 10:53:48,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2022-10-17 10:53:48,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6f87e9-cab3-4b28-8e83-f3346d8d9461/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2022-10-17 10:53:48,720 INFO L156 tatePredicateManager]: 38 out of 43 supporting invariants were superfluous and have been removed [2022-10-17 10:53:48,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:53:48,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 10:53:48,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:53:48,843 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-10-17 10:53:48,843 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 15 [2022-10-17 10:53:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:53:49,307 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 10:53:49,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:53:49,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:53:49,356 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.10 stem predicates 2 loop predicates [2022-10-17 10:53:49,357 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 41 transitions. cyclomatic complexity: 6 Second operand has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 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) [2022-10-17 10:53:49,579 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 41 transitions. cyclomatic complexity: 6. Second operand has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 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 51 states and 58 transitions. Complement of second has 14 states. [2022-10-17 10:53:49,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 9 stem states 1 non-accepting loop states 2 accepting loop states [2022-10-17 10:53:49,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 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) [2022-10-17 10:53:49,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 41 transitions. [2022-10-17 10:53:49,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 41 transitions. Stem has 33 letters. Loop has 2 letters. [2022-10-17 10:53:49,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:53:49,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 41 transitions. Stem has 35 letters. Loop has 2 letters. [2022-10-17 10:53:49,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:53:49,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 41 transitions. Stem has 33 letters. Loop has 4 letters. [2022-10-17 10:53:49,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:53:49,582 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 58 transitions. [2022-10-17 10:53:49,583 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-10-17 10:53:49,583 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 50 states and 57 transitions. [2022-10-17 10:53:49,584 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2022-10-17 10:53:49,584 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2022-10-17 10:53:49,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 57 transitions. [2022-10-17 10:53:49,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:53:49,584 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 57 transitions. [2022-10-17 10:53:49,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 57 transitions. [2022-10-17 10:53:49,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 46. [2022-10-17 10:53:49,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.1304347826086956) internal successors, (52), 45 states have internal predecessors, (52), 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) [2022-10-17 10:53:49,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2022-10-17 10:53:49,588 INFO L240 hiAutomatonCegarLoop]: Abstraction has 46 states and 52 transitions. [2022-10-17 10:53:49,588 INFO L428 stractBuchiCegarLoop]: Abstraction has 46 states and 52 transitions. [2022-10-17 10:53:49,588 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-10-17 10:53:49,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 52 transitions. [2022-10-17 10:53:49,589 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-10-17 10:53:49,589 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:53:49,589 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:53:49,590 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:53:49,590 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:53:49,590 INFO L748 eck$LassoCheckResult]: Stem: 1867#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 1868#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 1879#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1880#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1887#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1907#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1906#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1904#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1902#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1900#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1898#L35-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1896#L35-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1894#L35-3 assume !(main_~i~0#1 < 5); 1876#L35-4 call main_#t~mem3#1 := read~int(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 1877#L37 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 1863#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1864#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1882#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1905#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1903#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1901#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1899#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1897#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1895#L39-3 assume !!(main_~i~0#1 < 5);call write~int(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1893#L39-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1891#L39-3 assume !(main_~i~0#1 < 5); 1888#L39-4 call main_#t~mem6#1 := read~int(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 1881#L41 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 1869#L44-3 call main_#t~mem7#1 := read~int(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1870#L44-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1908#L44-3 call main_#t~mem7#1 := read~int(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1872#L44-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1871#L44-3 call main_#t~mem7#1 := read~int(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1873#L44-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 1874#L44-4 main_~nc_B~0#1 := 0; 1875#L48-3 [2022-10-17 10:53:49,591 INFO L750 eck$LassoCheckResult]: Loop: 1875#L48-3 call main_#t~mem9#1 := read~int(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 1886#L48-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1875#L48-3 [2022-10-17 10:53:49,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:49,591 INFO L85 PathProgramCache]: Analyzing trace with hash -274000077, now seen corresponding path program 2 times [2022-10-17 10:53:49,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:49,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714202709] [2022-10-17 10:53:49,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:49,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:49,615 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:49,636 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:53:49,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:49,637 INFO L85 PathProgramCache]: Analyzing trace with hash 2854, now seen corresponding path program 3 times [2022-10-17 10:53:49,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:49,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580979806] [2022-10-17 10:53:49,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:49,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:49,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:49,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:53:49,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:53:49,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1321067048, now seen corresponding path program 2 times [2022-10-17 10:53:49,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:53:49,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327064909] [2022-10-17 10:53:49,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:53:49,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:53:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:49,674 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:53:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:53:49,700 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace