./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/invert_string-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/invert_string-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:37:08,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:37:08,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:37:08,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:37:08,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:37:08,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:37:08,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:37:08,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:37:08,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:37:08,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:37:08,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:37:08,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:37:08,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:37:08,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:37:08,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:37:08,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:37:08,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:37:08,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:37:08,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:37:08,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:37:08,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:37:08,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:37:08,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:37:08,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:37:08,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:37:08,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:37:08,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:37:08,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:37:08,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:37:08,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:37:08,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:37:08,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:37:08,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:37:08,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:37:08,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:37:08,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:37:08,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:37:08,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:37:08,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:37:08,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:37:08,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:37:08,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 20:37:08,643 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:37:08,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:37:08,644 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:37:08,644 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:37:08,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:37:08,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:37:08,646 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:37:08,646 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:37:08,647 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:37:08,647 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:37:08,648 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:37:08,648 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:37:08,649 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:37:08,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:37:08,649 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:37:08,650 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:37:08,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:37:08,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:37:08,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:37:08,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:37:08,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:37:08,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:37:08,651 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:37:08,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:37:08,652 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:37:08,652 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:37:08,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:37:08,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:37:08,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:37:08,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:37:08,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:37:08,656 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:37:08,657 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_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 [2022-11-18 20:37:08,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:37:08,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:37:09,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:37:09,002 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:37:09,003 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:37:09,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/loops/invert_string-3.c [2022-11-18 20:37:09,082 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/data/7bd9f61bd/47d6ef3985744a06bd3da9038f168b08/FLAG60ab95670 [2022-11-18 20:37:09,682 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:37:09,683 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/sv-benchmarks/c/loops/invert_string-3.c [2022-11-18 20:37:09,697 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/data/7bd9f61bd/47d6ef3985744a06bd3da9038f168b08/FLAG60ab95670 [2022-11-18 20:37:10,014 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/data/7bd9f61bd/47d6ef3985744a06bd3da9038f168b08 [2022-11-18 20:37:10,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:37:10,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:37:10,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:37:10,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:37:10,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:37:10,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:37:10" (1/1) ... [2022-11-18 20:37:10,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@444c03b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:10, skipping insertion in model container [2022-11-18 20:37:10,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:37:10" (1/1) ... [2022-11-18 20:37:10,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:37:10,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:37:10,246 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/sv-benchmarks/c/loops/invert_string-3.c[327,340] [2022-11-18 20:37:10,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:37:10,275 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:37:10,289 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/sv-benchmarks/c/loops/invert_string-3.c[327,340] [2022-11-18 20:37:10,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:37:10,312 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:37:10,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:10 WrapperNode [2022-11-18 20:37:10,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:37:10,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:37:10,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:37:10,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:37:10,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:10" (1/1) ... [2022-11-18 20:37:10,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:10" (1/1) ... [2022-11-18 20:37:10,360 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2022-11-18 20:37:10,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:37:10,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:37:10,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:37:10,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:37:10,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:10" (1/1) ... [2022-11-18 20:37:10,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:10" (1/1) ... [2022-11-18 20:37:10,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:10" (1/1) ... [2022-11-18 20:37:10,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:10" (1/1) ... [2022-11-18 20:37:10,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:10" (1/1) ... [2022-11-18 20:37:10,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:10" (1/1) ... [2022-11-18 20:37:10,385 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:10" (1/1) ... [2022-11-18 20:37:10,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:10" (1/1) ... [2022-11-18 20:37:10,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:37:10,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:37:10,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:37:10,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:37:10,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:10" (1/1) ... [2022-11-18 20:37:10,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:10,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:10,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:10,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:37:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:37:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:37:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:37:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:37:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:37:10,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:37:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:37:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:37:10,576 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:37:10,578 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:37:10,879 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:37:10,885 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:37:10,898 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 20:37:10,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:37:10 BoogieIcfgContainer [2022-11-18 20:37:10,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:37:10,902 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:37:10,902 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:37:10,907 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:37:10,908 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:37:10,908 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:37:10" (1/3) ... [2022-11-18 20:37:10,909 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68d50a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:37:10, skipping insertion in model container [2022-11-18 20:37:10,909 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:37:10,910 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:10" (2/3) ... [2022-11-18 20:37:10,910 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68d50a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:37:10, skipping insertion in model container [2022-11-18 20:37:10,910 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:37:10,910 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:37:10" (3/3) ... [2022-11-18 20:37:10,912 INFO L332 chiAutomizerObserver]: Analyzing ICFG invert_string-3.c [2022-11-18 20:37:10,999 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:37:10,999 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:37:11,000 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:37:11,000 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:37:11,000 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:37:11,000 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:37:11,000 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:37:11,001 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:37:11,006 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:11,049 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-11-18 20:37:11,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:11,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:11,055 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 20:37:11,055 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:37:11,056 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:37:11,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:11,059 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-11-18 20:37:11,059 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:11,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:11,060 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 20:37:11,061 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:37:11,071 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 14#L18-3true [2022-11-18 20:37:11,072 INFO L750 eck$LassoCheckResult]: Loop: 14#L18-3true assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 9#L18-2true main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 14#L18-3true [2022-11-18 20:37:11,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:11,086 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-18 20:37:11,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:11,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040373115] [2022-11-18 20:37:11,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:11,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:11,260 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:11,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:11,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:11,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-11-18 20:37:11,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:11,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535870936] [2022-11-18 20:37:11,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:11,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:11,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:11,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:11,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:11,427 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-11-18 20:37:11,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:11,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501935164] [2022-11-18 20:37:11,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:11,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:11,486 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:11,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:12,147 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:37:12,148 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:37:12,148 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:37:12,149 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:37:12,149 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:37:12,149 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:12,149 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:37:12,150 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:37:12,150 INFO L133 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration1_Lasso [2022-11-18 20:37:12,150 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:37:12,150 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:37:12,179 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:12,192 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:12,198 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:12,202 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:12,206 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:12,213 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:12,218 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:12,222 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:12,226 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:12,230 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:12,236 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:12,240 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:12,246 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:12,249 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:13,298 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:37:13,302 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:37:13,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:13,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:13,310 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:13,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:13,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:37:13,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:13,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:13,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:13,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:13,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:13,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:13,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:13,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:13,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:13,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:13,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:13,366 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:13,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:37:13,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:13,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:13,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:13,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:13,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:13,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:13,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:13,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:13,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:13,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-11-18 20:37:13,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:13,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:13,419 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:13,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:37:13,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:13,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:13,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:13,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:13,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:13,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:13,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:13,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:13,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:13,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:13,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:13,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:13,470 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:13,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:37:13,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:13,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:13,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:13,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:13,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:13,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:13,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:13,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:13,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:13,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-18 20:37:13,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:13,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:13,500 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:13,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:37:13,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:13,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:13,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:13,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:13,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:13,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:13,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:13,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:13,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:13,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:13,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:13,553 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:13,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:37:13,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:13,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:13,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:13,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:13,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:13,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:13,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:13,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:13,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:13,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:13,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:13,605 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:13,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:13,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:37:13,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:13,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:13,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:13,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:13,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:13,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:13,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:13,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:13,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:13,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:13,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:13,658 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:13,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:13,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:37:13,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:13,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:13,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:13,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:13,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:13,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:13,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:13,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:13,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:13,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:13,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:13,704 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:13,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:13,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:37:13,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:13,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:13,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:13,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:13,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:13,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:13,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:13,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:13,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:13,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:13,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:13,762 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:13,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:37:13,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:13,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:13,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:13,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:13,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:13,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:13,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:13,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:13,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:13,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:13,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:13,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:13,805 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:13,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:37:13,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:13,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:13,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:13,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:13,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:13,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:13,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:13,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:13,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:13,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:13,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:13,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:13,833 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:13,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:37:13,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:13,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:13,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:13,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:13,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:13,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:13,852 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:13,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:13,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:13,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:13,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:13,899 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:13,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 20:37:13,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:13,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:13,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:13,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:13,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:13,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:13,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:13,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:13,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:13,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:13,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:13,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:13,952 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:13,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:13,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 20:37:13,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:13,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:13,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:13,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:13,981 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:13,981 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:13,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:14,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:14,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:14,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:14,010 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:14,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:14,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 20:37:14,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:14,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:14,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:14,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:14,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:14,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:14,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:14,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:14,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:14,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:14,057 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:14,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 20:37:14,064 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 [2022-11-18 20:37:14,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:14,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:14,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:14,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:14,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:14,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:14,115 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:37:14,151 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-18 20:37:14,151 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-11-18 20:37:14,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:14,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:14,156 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:14,181 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:37:14,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 20:37:14,222 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:37:14,223 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:37:14,223 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_1, ULTIMATE.start_main_~#str1~0#1.offset) = -1*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_1 - 1*ULTIMATE.start_main_~#str1~0#1.offset Supporting invariants [] [2022-11-18 20:37:14,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:14,279 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2022-11-18 20:37:14,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:14,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:37:14,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:14,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:14,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:37:14,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:14,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:14,465 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 20:37:14,468 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:14,524 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 47 transitions. Complement of second has 8 states. [2022-11-18 20:37:14,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:37:14,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:14,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2022-11-18 20:37:14,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-18 20:37:14,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:14,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-18 20:37:14,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:14,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-18 20:37:14,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:14,536 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 47 transitions. [2022-11-18 20:37:14,538 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-18 20:37:14,541 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 14 states and 19 transitions. [2022-11-18 20:37:14,542 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:37:14,543 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-18 20:37:14,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2022-11-18 20:37:14,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:37:14,544 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-11-18 20:37:14,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2022-11-18 20:37:14,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-18 20:37:14,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:14,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2022-11-18 20:37:14,566 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-11-18 20:37:14,566 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-11-18 20:37:14,566 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:37:14,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2022-11-18 20:37:14,567 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-18 20:37:14,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:14,567 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:14,568 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-18 20:37:14,568 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:37:14,568 INFO L748 eck$LassoCheckResult]: Stem: 129#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 130#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 133#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 142#L18-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 141#L26-3 [2022-11-18 20:37:14,568 INFO L750 eck$LassoCheckResult]: Loop: 141#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 140#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 141#L26-3 [2022-11-18 20:37:14,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:14,569 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2022-11-18 20:37:14,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:14,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236169875] [2022-11-18 20:37:14,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:14,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:14,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:14,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:14,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236169875] [2022-11-18 20:37:14,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236169875] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:37:14,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:37:14,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:37:14,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322943205] [2022-11-18 20:37:14,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:37:14,760 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:37:14,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:14,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 1 times [2022-11-18 20:37:14,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:14,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825302604] [2022-11-18 20:37:14,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:14,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:14,770 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:14,777 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:14,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:14,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:37:14,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:37:14,898 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:14,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:14,933 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2022-11-18 20:37:14,933 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2022-11-18 20:37:14,934 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-18 20:37:14,934 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 14 states and 16 transitions. [2022-11-18 20:37:14,935 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:37:14,935 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-18 20:37:14,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2022-11-18 20:37:14,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:37:14,935 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-11-18 20:37:14,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2022-11-18 20:37:14,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2022-11-18 20:37:14,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:14,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2022-11-18 20:37:14,938 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-11-18 20:37:14,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:37:14,939 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-11-18 20:37:14,939 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:37:14,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2022-11-18 20:37:14,940 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-18 20:37:14,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:14,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:14,941 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-18 20:37:14,941 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:37:14,941 INFO L748 eck$LassoCheckResult]: Stem: 167#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 168#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 175#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 170#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 171#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 176#L18-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 174#L26-3 [2022-11-18 20:37:14,942 INFO L750 eck$LassoCheckResult]: Loop: 174#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 173#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 174#L26-3 [2022-11-18 20:37:14,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:14,942 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2022-11-18 20:37:14,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:14,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333731461] [2022-11-18 20:37:14,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:14,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:15,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:15,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:15,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333731461] [2022-11-18 20:37:15,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333731461] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:37:15,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574542927] [2022-11-18 20:37:15,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:15,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:37:15,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:15,243 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:37:15,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-18 20:37:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:15,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 20:37:15,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:15,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:15,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:37:15,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:15,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574542927] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:37:15,438 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:37:15,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-11-18 20:37:15,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308886953] [2022-11-18 20:37:15,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:37:15,439 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:37:15,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:15,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 2 times [2022-11-18 20:37:15,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:15,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268507504] [2022-11-18 20:37:15,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:15,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:15,451 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:15,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:15,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:15,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:37:15,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:37:15,584 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. cyclomatic complexity: 5 Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:15,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:15,732 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2022-11-18 20:37:15,732 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2022-11-18 20:37:15,733 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-18 20:37:15,734 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 21 transitions. [2022-11-18 20:37:15,734 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:37:15,734 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-18 20:37:15,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 21 transitions. [2022-11-18 20:37:15,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:37:15,735 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-18 20:37:15,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 21 transitions. [2022-11-18 20:37:15,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-18 20:37:15,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.105263157894737) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:15,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-11-18 20:37:15,737 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-18 20:37:15,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:37:15,739 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-18 20:37:15,739 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 20:37:15,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2022-11-18 20:37:15,740 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-18 20:37:15,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:15,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:15,741 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2022-11-18 20:37:15,741 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:37:15,741 INFO L748 eck$LassoCheckResult]: Stem: 242#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 243#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 250#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 244#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 245#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 251#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 257#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 256#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 255#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 254#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 253#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 252#L18-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 249#L26-3 [2022-11-18 20:37:15,741 INFO L750 eck$LassoCheckResult]: Loop: 249#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 248#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 249#L26-3 [2022-11-18 20:37:15,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:15,742 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2022-11-18 20:37:15,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:15,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434512866] [2022-11-18 20:37:15,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:15,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:16,008 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:16,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:16,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434512866] [2022-11-18 20:37:16,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434512866] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:37:16,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540040933] [2022-11-18 20:37:16,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:37:16,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:37:16,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:16,014 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:37:16,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-18 20:37:16,138 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:37:16,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:37:16,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-18 20:37:16,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:16,198 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-18 20:37:16,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 15 [2022-11-18 20:37:16,461 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:16,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:37:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:17,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540040933] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:37:17,278 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:37:17,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 18 [2022-11-18 20:37:17,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011403812] [2022-11-18 20:37:17,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:37:17,280 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:37:17,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:17,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 3 times [2022-11-18 20:37:17,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:17,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656479128] [2022-11-18 20:37:17,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:17,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:17,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:17,301 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:17,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:17,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-18 20:37:17,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2022-11-18 20:37:17,393 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. cyclomatic complexity: 5 Second operand has 18 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 18 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:17,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:17,689 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-11-18 20:37:17,689 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 24 transitions. [2022-11-18 20:37:17,690 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-18 20:37:17,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 24 transitions. [2022-11-18 20:37:17,690 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:37:17,691 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-18 20:37:17,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 24 transitions. [2022-11-18 20:37:17,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:37:17,691 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 24 transitions. [2022-11-18 20:37:17,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 24 transitions. [2022-11-18 20:37:17,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2022-11-18 20:37:17,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 20 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:17,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2022-11-18 20:37:17,694 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 23 transitions. [2022-11-18 20:37:17,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:37:17,698 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 23 transitions. [2022-11-18 20:37:17,699 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-18 20:37:17,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 23 transitions. [2022-11-18 20:37:17,699 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-18 20:37:17,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:17,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:17,700 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2022-11-18 20:37:17,700 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:37:17,701 INFO L748 eck$LassoCheckResult]: Stem: 370#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 371#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 378#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 379#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 380#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 372#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 373#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 387#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 386#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 385#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 384#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 383#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 382#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 381#L18-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 377#L26-3 [2022-11-18 20:37:17,701 INFO L750 eck$LassoCheckResult]: Loop: 377#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 376#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 377#L26-3 [2022-11-18 20:37:17,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:17,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1745699051, now seen corresponding path program 3 times [2022-11-18 20:37:17,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:17,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864294925] [2022-11-18 20:37:17,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:17,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:17,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:17,767 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:17,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:17,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 4 times [2022-11-18 20:37:17,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:17,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82151309] [2022-11-18 20:37:17,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:17,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:17,773 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:17,778 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:17,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:17,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1715425495, now seen corresponding path program 1 times [2022-11-18 20:37:17,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:17,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497470180] [2022-11-18 20:37:17,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:17,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:17,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:17,828 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:20,199 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:37:20,199 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:37:20,199 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:37:20,199 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:37:20,199 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:37:20,199 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:20,199 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:37:20,199 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:37:20,199 INFO L133 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration5_Lasso [2022-11-18 20:37:20,200 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:37:20,200 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:37:20,203 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:20,209 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:20,212 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:20,214 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:20,217 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:20,219 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:20,221 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:20,224 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:21,056 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:21,059 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:21,061 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:21,063 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:21,066 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:21,653 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:37:21,653 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:37:21,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:21,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:21,657 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:21,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:21,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 20:37:21,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:21,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:21,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:21,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:21,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:21,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:21,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:21,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:21,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:21,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:21,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:21,706 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:21,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 20:37:21,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:21,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:21,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:21,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:21,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:21,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:21,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:21,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:21,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:21,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:21,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:21,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:21,744 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:21,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:21,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:21,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:21,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:21,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:21,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:21,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:21,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:21,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-18 20:37:21,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:21,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:21,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:21,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:21,784 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:21,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:21,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:21,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:21,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:21,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:21,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 20:37:21,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:21,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:21,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:21,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:21,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:21,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:21,832 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:21,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:21,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:21,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:21,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:21,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:21,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:21,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:21,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:21,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 20:37:21,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:21,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:21,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:21,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:21,870 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:21,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:21,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:21,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:21,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:21,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:21,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:21,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-18 20:37:21,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:21,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:21,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:21,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:21,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:21,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:21,916 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:21,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:21,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-18 20:37:21,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:21,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:21,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:21,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:21,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:21,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:21,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:21,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:21,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:21,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:21,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:21,959 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:21,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:21,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:21,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:21,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:21,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:21,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-18 20:37:21,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:21,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:22,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:22,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:22,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:22,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:22,015 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:22,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:22,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:22,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:22,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:22,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:22,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-18 20:37:22,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:22,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:22,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:22,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:22,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:22,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:22,065 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:22,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:22,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-18 20:37:22,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:22,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:22,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:22,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:22,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:22,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:22,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:22,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:22,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:22,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:22,109 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:22,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-18 20:37:22,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:22,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:22,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:22,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:22,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:22,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:22,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:22,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:22,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-18 20:37:22,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:22,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:22,133 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:22,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-18 20:37:22,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:22,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:22,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:22,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:22,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:22,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:22,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:22,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:22,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-18 20:37:22,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:22,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:22,170 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:22,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:22,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-18 20:37:22,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:22,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:22,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:22,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:22,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:22,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:22,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:22,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:22,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:22,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:22,195 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:22,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-18 20:37:22,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:22,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:22,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:22,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:22,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:22,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:22,211 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:22,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:22,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:22,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:22,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:22,251 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:22,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:22,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-18 20:37:22,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:22,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:22,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:22,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:22,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:22,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:22,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:22,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:22,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:22,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:22,311 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:22,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:22,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:22,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:22,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:22,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:22,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-18 20:37:22,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:22,334 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:22,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:22,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:22,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:22,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:22,351 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:22,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:22,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-18 20:37:22,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:22,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:22,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:22,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:22,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:22,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:22,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:22,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:22,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:22,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:22,404 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:22,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:22,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-18 20:37:22,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:22,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:22,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:22,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:22,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:22,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:22,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:22,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:22,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:22,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:22,460 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:22,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:22,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:22,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:22,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:22,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:22,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-18 20:37:22,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:22,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:22,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:22,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:22,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:22,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:22,517 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:22,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:22,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-18 20:37:22,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:22,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:22,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:22,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:22,545 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:22,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:22,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:22,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-18 20:37:22,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:22,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:22,570 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:22,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-18 20:37:22,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:22,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:22,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:22,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:22,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:22,585 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:22,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:22,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:22,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-11-18 20:37:22,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:22,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:22,598 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:22,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:22,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-18 20:37:22,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:22,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:22,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:22,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:22,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:22,615 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:22,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:22,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-18 20:37:22,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:22,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:22,623 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:22,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-18 20:37:22,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:22,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:22,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:22,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:22,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:22,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:22,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:22,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:22,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:22,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:22,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:22,672 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:22,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:22,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:22,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:22,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:22,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:22,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:22,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:22,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:22,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-18 20:37:22,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:22,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-18 20:37:22,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:22,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:22,709 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:22,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-18 20:37:22,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:22,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:22,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:22,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:22,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:22,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:22,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:22,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:22,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-18 20:37:22,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:22,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:22,732 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:22,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-18 20:37:22,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:22,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:22,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:22,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:22,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:22,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:22,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:22,785 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:37:22,830 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-18 20:37:22,830 INFO L444 ModelExtractionUtils]: 6 out of 25 variables were initially zero. Simplification set additionally 16 variables to zero. [2022-11-18 20:37:22,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:22,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:22,833 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:22,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-18 20:37:22,834 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:37:22,848 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:37:22,848 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:37:22,848 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#str2~0#1.base)_2, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#str2~0#1.base)_2 + 2*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-11-18 20:37:22,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:22,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:22,986 INFO L156 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2022-11-18 20:37:23,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:23,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:37:23,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:23,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:37:23,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:23,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:23,079 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 20:37:23,080 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 23 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:23,096 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 23 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 29 transitions. Complement of second has 7 states. [2022-11-18 20:37:23,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:37:23,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:23,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2022-11-18 20:37:23,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 14 letters. Loop has 2 letters. [2022-11-18 20:37:23,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:23,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 16 letters. Loop has 2 letters. [2022-11-18 20:37:23,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:23,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 14 letters. Loop has 4 letters. [2022-11-18 20:37:23,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:23,100 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2022-11-18 20:37:23,100 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:37:23,101 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 22 states and 25 transitions. [2022-11-18 20:37:23,101 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-18 20:37:23,101 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:37:23,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 25 transitions. [2022-11-18 20:37:23,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:37:23,102 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-18 20:37:23,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 25 transitions. [2022-11-18 20:37:23,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-18 20:37:23,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 21 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:23,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-11-18 20:37:23,104 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-18 20:37:23,104 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-18 20:37:23,104 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-18 20:37:23,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2022-11-18 20:37:23,104 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:37:23,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:23,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:23,105 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:23,105 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:37:23,105 INFO L748 eck$LassoCheckResult]: Stem: 577#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 578#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 586#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 580#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 581#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 587#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 596#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 595#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 594#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 593#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 592#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 591#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 590#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 588#L18-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 589#L26-3 assume !(main_~i~0#1 >= 0); 583#L26-4 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 576#L32-3 [2022-11-18 20:37:23,106 INFO L750 eck$LassoCheckResult]: Loop: 576#L32-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem10#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem11#1 := read~int(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem10#1 == main_#t~mem11#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 582#L6 assume !(0 == __VERIFIER_assert_~cond#1); 579#L6-2 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem10#1;havoc main_#t~mem11#1;main_#t~post12#1 := main_~j~0#1;main_~j~0#1 := main_#t~post12#1 - 1;havoc main_#t~post12#1; 575#L32-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 576#L32-3 [2022-11-18 20:37:23,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:23,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1715425437, now seen corresponding path program 1 times [2022-11-18 20:37:23,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:23,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282875816] [2022-11-18 20:37:23,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:23,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:23,285 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-18 20:37:23,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:23,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282875816] [2022-11-18 20:37:23,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282875816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:37:23,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:37:23,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:37:23,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518582244] [2022-11-18 20:37:23,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:37:23,287 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:37:23,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:23,287 INFO L85 PathProgramCache]: Analyzing trace with hash 2100362, now seen corresponding path program 1 times [2022-11-18 20:37:23,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:23,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74851029] [2022-11-18 20:37:23,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:23,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:23,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:23,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:23,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:23,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:37:23,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:37:23,437 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:23,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:23,477 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2022-11-18 20:37:23,477 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 25 transitions. [2022-11-18 20:37:23,478 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:37:23,478 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 25 transitions. [2022-11-18 20:37:23,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:37:23,479 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:37:23,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 25 transitions. [2022-11-18 20:37:23,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:37:23,479 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 25 transitions. [2022-11-18 20:37:23,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 25 transitions. [2022-11-18 20:37:23,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-18 20:37:23,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 21 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:23,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2022-11-18 20:37:23,481 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 24 transitions. [2022-11-18 20:37:23,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:37:23,482 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2022-11-18 20:37:23,482 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-18 20:37:23,483 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 24 transitions. [2022-11-18 20:37:23,483 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:37:23,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:23,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:23,484 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:23,484 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:37:23,484 INFO L748 eck$LassoCheckResult]: Stem: 632#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 633#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 640#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 634#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 635#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 641#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 650#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 649#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 648#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 647#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 646#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 645#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 644#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 642#L18-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 643#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 637#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 638#L26-3 assume !(main_~i~0#1 >= 0); 639#L26-4 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 630#L32-3 [2022-11-18 20:37:23,484 INFO L750 eck$LassoCheckResult]: Loop: 630#L32-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem10#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem11#1 := read~int(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem10#1 == main_#t~mem11#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 636#L6 assume !(0 == __VERIFIER_assert_~cond#1); 631#L6-2 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem10#1;havoc main_#t~mem11#1;main_#t~post12#1 := main_~j~0#1;main_~j~0#1 := main_#t~post12#1 - 1;havoc main_#t~post12#1; 629#L32-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 630#L32-3 [2022-11-18 20:37:23,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:23,484 INFO L85 PathProgramCache]: Analyzing trace with hash -743540257, now seen corresponding path program 1 times [2022-11-18 20:37:23,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:23,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745395141] [2022-11-18 20:37:23,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:23,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:23,736 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-18 20:37:23,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:23,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745395141] [2022-11-18 20:37:23,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745395141] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:37:23,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55178485] [2022-11-18 20:37:23,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:23,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:37:23,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:23,738 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:37:23,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2022-11-18 20:37:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:23,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 20:37:23,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:23,905 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-18 20:37:23,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:37:24,224 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-18 20:37:24,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55178485] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:37:24,225 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:37:24,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-18 20:37:24,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713167607] [2022-11-18 20:37:24,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:37:24,228 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:37:24,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:24,228 INFO L85 PathProgramCache]: Analyzing trace with hash 2100362, now seen corresponding path program 2 times [2022-11-18 20:37:24,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:24,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862681684] [2022-11-18 20:37:24,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:24,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:24,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:24,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:24,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:24,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 20:37:24,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:37:24,403 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. cyclomatic complexity: 5 Second operand has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:24,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:24,626 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2022-11-18 20:37:24,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 34 transitions. [2022-11-18 20:37:24,626 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:37:24,627 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 34 transitions. [2022-11-18 20:37:24,627 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-18 20:37:24,627 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-18 20:37:24,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 34 transitions. [2022-11-18 20:37:24,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:37:24,628 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 34 transitions. [2022-11-18 20:37:24,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 34 transitions. [2022-11-18 20:37:24,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 28. [2022-11-18 20:37:24,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 27 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:24,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2022-11-18 20:37:24,630 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 30 transitions. [2022-11-18 20:37:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:37:24,631 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 30 transitions. [2022-11-18 20:37:24,631 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-18 20:37:24,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 30 transitions. [2022-11-18 20:37:24,632 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:37:24,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:24,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:24,633 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:24,633 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:37:24,633 INFO L748 eck$LassoCheckResult]: Stem: 814#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 815#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 822#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 816#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 817#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 823#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 838#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 837#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 835#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 833#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 831#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 828#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 827#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 824#L18-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 825#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 819#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 820#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 826#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 836#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 834#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 832#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 830#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 829#L26-3 assume !(main_~i~0#1 >= 0); 821#L26-4 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 812#L32-3 [2022-11-18 20:37:24,633 INFO L750 eck$LassoCheckResult]: Loop: 812#L32-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem10#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem11#1 := read~int(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem10#1 == main_#t~mem11#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 818#L6 assume !(0 == __VERIFIER_assert_~cond#1); 813#L6-2 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem10#1;havoc main_#t~mem11#1;main_#t~post12#1 := main_~j~0#1;main_~j~0#1 := main_#t~post12#1 - 1;havoc main_#t~post12#1; 811#L32-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 812#L32-3 [2022-11-18 20:37:24,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:24,634 INFO L85 PathProgramCache]: Analyzing trace with hash -430652763, now seen corresponding path program 2 times [2022-11-18 20:37:24,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:24,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355380590] [2022-11-18 20:37:24,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:24,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:25,003 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-18 20:37:25,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:25,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355380590] [2022-11-18 20:37:25,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355380590] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:37:25,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567879336] [2022-11-18 20:37:25,003 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:37:25,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:37:25,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:25,005 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:37:25,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2022-11-18 20:37:25,136 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:37:25,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:37:25,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 20:37:25,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:25,278 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-18 20:37:25,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:37:25,558 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-18 20:37:25,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567879336] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:37:25,558 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:37:25,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 21 [2022-11-18 20:37:25,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138466528] [2022-11-18 20:37:25,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:37:25,559 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:37:25,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:25,560 INFO L85 PathProgramCache]: Analyzing trace with hash 2100362, now seen corresponding path program 3 times [2022-11-18 20:37:25,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:25,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051196727] [2022-11-18 20:37:25,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:25,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:25,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:25,584 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:25,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:25,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-18 20:37:25,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:37:25,743 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. cyclomatic complexity: 5 Second operand has 21 states, 21 states have (on average 2.0476190476190474) internal successors, (43), 21 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:26,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:26,469 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2022-11-18 20:37:26,469 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 57 transitions. [2022-11-18 20:37:26,470 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:37:26,471 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 54 states and 57 transitions. [2022-11-18 20:37:26,471 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2022-11-18 20:37:26,471 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2022-11-18 20:37:26,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 57 transitions. [2022-11-18 20:37:26,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:37:26,472 INFO L218 hiAutomatonCegarLoop]: Abstraction has 54 states and 57 transitions. [2022-11-18 20:37:26,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 57 transitions. [2022-11-18 20:37:26,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 38. [2022-11-18 20:37:26,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 37 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:26,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2022-11-18 20:37:26,474 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 41 transitions. [2022-11-18 20:37:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 20:37:26,480 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 41 transitions. [2022-11-18 20:37:26,482 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-18 20:37:26,483 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 41 transitions. [2022-11-18 20:37:26,483 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:37:26,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:26,485 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:26,486 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:26,486 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:37:26,486 INFO L748 eck$LassoCheckResult]: Stem: 1086#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 1087#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 1096#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1089#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1090#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1097#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1107#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1106#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1105#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1104#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1101#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call write~int(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1100#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1099#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 1094#L18-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 1095#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1091#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 1092#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1098#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 1119#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1117#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 1115#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1113#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 1110#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1111#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 1102#L26-3 assume !(main_~i~0#1 >= 0); 1093#L26-4 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 1084#L32-3 [2022-11-18 20:37:26,486 INFO L750 eck$LassoCheckResult]: Loop: 1084#L32-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem10#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem11#1 := read~int(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem10#1 == main_#t~mem11#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1088#L6 assume !(0 == __VERIFIER_assert_~cond#1); 1085#L6-2 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem10#1;havoc main_#t~mem11#1;main_#t~post12#1 := main_~j~0#1;main_~j~0#1 := main_#t~post12#1 - 1;havoc main_#t~post12#1; 1083#L32-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1084#L32-3 [2022-11-18 20:37:26,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:26,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1540388377, now seen corresponding path program 3 times [2022-11-18 20:37:26,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:26,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116517675] [2022-11-18 20:37:26,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:26,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:26,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:26,605 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:26,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:26,607 INFO L85 PathProgramCache]: Analyzing trace with hash 2100362, now seen corresponding path program 4 times [2022-11-18 20:37:26,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:26,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014402601] [2022-11-18 20:37:26,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:26,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:26,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:26,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:26,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:26,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1945357456, now seen corresponding path program 1 times [2022-11-18 20:37:26,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:26,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962846888] [2022-11-18 20:37:26,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:26,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:26,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:26,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:34,851 WARN L233 SmtUtils]: Spent 7.96s on a formula simplification. DAG size of input: 288 DAG size of output: 211 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:37:35,810 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:37:35,810 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:37:35,810 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:37:35,810 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:37:35,811 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:37:35,811 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:35,811 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:37:35,811 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:37:35,811 INFO L133 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration9_Lasso [2022-11-18 20:37:35,811 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:37:35,811 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:37:35,814 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,824 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,827 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,830 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,836 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,839 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,843 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,845 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,847 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,850 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,852 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,856 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,860 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:39,032 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:37:39,032 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:37:39,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,046 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:39,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:39,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:39,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-18 20:37:39,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:39,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,084 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-18 20:37:39,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:39,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:39,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:39,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:39,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,127 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-18 20:37:39,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:39,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:39,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:39,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:39,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,164 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:39,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:39,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:39,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-18 20:37:39,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:39,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,211 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:39,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:39,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-18 20:37:39,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-11-18 20:37:39,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,249 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-18 20:37:39,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:39,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:39,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:39,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-11-18 20:37:39,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,269 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-18 20:37:39,281 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 [2022-11-18 20:37:39,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:39,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:39,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:39,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-11-18 20:37:39,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,297 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-18 20:37:39,300 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 [2022-11-18 20:37:39,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:39,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,310 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:39,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:39,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2022-11-18 20:37:39,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,322 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-18 20:37:39,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:39,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:39,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:39,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:39,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,344 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-18 20:37:39,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:39,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:39,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:39,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:39,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,364 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-18 20:37:39,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:39,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:39,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:39,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-18 20:37:39,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,383 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-18 20:37:39,385 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 [2022-11-18 20:37:39,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:39,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:39,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:39,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:39,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,401 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-18 20:37:39,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:39,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:39,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:39,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,442 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-18 20:37:39,447 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 [2022-11-18 20:37:39,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,461 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:39,461 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:39,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:39,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,491 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,513 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:39,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:39,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-18 20:37:39,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:39,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,543 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-18 20:37:39,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:39,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:39,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-11-18 20:37:39,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,571 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-18 20:37:39,574 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 [2022-11-18 20:37:39,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:39,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:39,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-11-18 20:37:39,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,593 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-18 20:37:39,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,614 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:39,615 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:39,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-11-18 20:37:39,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,622 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-18 20:37:39,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:39,652 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:39,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2022-11-18 20:37:39,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,663 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-18 20:37:39,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:39,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:39,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:39,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,690 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-18 20:37:39,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:39,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:39,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:39,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,712 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-18 20:37:39,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:39,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:39,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2022-11-18 20:37:39,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,738 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-18 20:37:39,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:39,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:39,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:39,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,764 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-18 20:37:39,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,778 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:39,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:39,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2022-11-18 20:37:39,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,786 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-18 20:37:39,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:39,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:39,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2022-11-18 20:37:39,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,808 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-18 20:37:39,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:39,824 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:39,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2022-11-18 20:37:39,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,833 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-18 20:37:39,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:39,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:39,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2022-11-18 20:37:39,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,855 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-18 20:37:39,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:39,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:39,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:39,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2022-11-18 20:37:39,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,879 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-11-18 20:37:39,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:39,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:39,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:39,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:39,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:39,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:39,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:39,925 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:37:39,955 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-18 20:37:39,956 INFO L444 ModelExtractionUtils]: 2 out of 25 variables were initially zero. Simplification set additionally 20 variables to zero. [2022-11-18 20:37:39,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:39,958 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:39,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-18 20:37:39,960 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:37:39,970 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:37:39,971 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:37:39,971 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#str2~0#1.base)_3, ULTIMATE.start_main_~j~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#str2~0#1.base)_3 + 2*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2022-11-18 20:37:39,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2022-11-18 20:37:40,265 INFO L156 tatePredicateManager]: 51 out of 52 supporting invariants were superfluous and have been removed [2022-11-18 20:37:40,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:40,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:37:40,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:40,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 20:37:40,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:40,522 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-18 20:37:40,522 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 41 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:40,554 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 41 transitions. cyclomatic complexity: 6. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 47 transitions. Complement of second has 7 states. [2022-11-18 20:37:40,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:37:40,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:40,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2022-11-18 20:37:40,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 26 letters. Loop has 4 letters. [2022-11-18 20:37:40,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:40,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 30 letters. Loop has 4 letters. [2022-11-18 20:37:40,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:40,557 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 26 letters. Loop has 8 letters. [2022-11-18 20:37:40,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:40,557 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 47 transitions. [2022-11-18 20:37:40,558 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:37:40,558 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 0 states and 0 transitions. [2022-11-18 20:37:40,558 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:37:40,559 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:37:40,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:37:40,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:37:40,559 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:37:40,559 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:37:40,559 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:37:40,559 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-18 20:37:40,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:37:40,560 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:37:40,560 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 20:37:40,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:37:40 BoogieIcfgContainer [2022-11-18 20:37:40,567 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:37:40,583 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:37:40,585 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:37:40,586 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:37:40,586 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:37:10" (3/4) ... [2022-11-18 20:37:40,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:40,592 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:37:40,592 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:37:40,593 INFO L158 Benchmark]: Toolchain (without parser) took 30573.50ms. Allocated memory was 113.2MB in the beginning and 197.1MB in the end (delta: 83.9MB). Free memory was 75.6MB in the beginning and 161.9MB in the end (delta: -86.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:37:40,593 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:37:40,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.61ms. Allocated memory is still 113.2MB. Free memory was 75.4MB in the beginning and 88.5MB in the end (delta: -13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:37:40,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.21ms. Allocated memory is still 113.2MB. Free memory was 88.5MB in the beginning and 86.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:37:40,595 INFO L158 Benchmark]: Boogie Preprocessor took 26.64ms. Allocated memory is still 113.2MB. Free memory was 86.9MB in the beginning and 85.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:37:40,595 INFO L158 Benchmark]: RCFGBuilder took 511.80ms. Allocated memory is still 113.2MB. Free memory was 85.5MB in the beginning and 73.9MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:37:40,595 INFO L158 Benchmark]: BuchiAutomizer took 29665.11ms. Allocated memory was 113.2MB in the beginning and 197.1MB in the end (delta: 83.9MB). Free memory was 73.9MB in the beginning and 56.9MB in the end (delta: 17.0MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. [2022-11-18 20:37:40,596 INFO L158 Benchmark]: Witness Printer took 9.38ms. Allocated memory is still 197.1MB. Free memory was 162.6MB in the beginning and 161.9MB in the end (delta: 692.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:37:40,598 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.61ms. Allocated memory is still 113.2MB. Free memory was 75.4MB in the beginning and 88.5MB in the end (delta: -13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.21ms. Allocated memory is still 113.2MB. Free memory was 88.5MB in the beginning and 86.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.64ms. Allocated memory is still 113.2MB. Free memory was 86.9MB in the beginning and 85.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 511.80ms. Allocated memory is still 113.2MB. Free memory was 85.5MB in the beginning and 73.9MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 29665.11ms. Allocated memory was 113.2MB in the beginning and 197.1MB in the end (delta: 83.9MB). Free memory was 73.9MB in the beginning and 56.9MB in the end (delta: 17.0MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. * Witness Printer took 9.38ms. Allocated memory is still 197.1MB. Free memory was 162.6MB in the beginning and 161.9MB in the end (delta: 692.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (6 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * str1 + -1 * i + unknown-#length-unknown[str1] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[str2] + 2 * i and consists of 4 locations. One deterministic module has affine ranking function 2 * j + unknown-#length-unknown[str2] and consists of 5 locations. 6 modules have a trivial ranking function, the largest among these consists of 21 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 29.5s and 10 iterations. TraceHistogramMax:5. Analysis of lassos took 27.2s. Construction of modules took 0.6s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 9. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 23 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 282 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 280 mSDsluCounter, 177 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 99 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 427 IncrementalHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 99 mSolverCounterUnsat, 83 mSDtfsCounter, 427 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU6 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital712 mio100 ax100 hnf100 lsp96 ukn59 mio100 lsp38 div268 bol100 ite100 ukn100 eq154 hnf94 smp58 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 20:37:40,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2022-11-18 20:37:40,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2022-11-18 20:37:41,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2022-11-18 20:37:41,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-11-18 20:37:41,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7bf8a0-5797-4f6f-80f4-5e574b08731a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE