./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrpbrk_mixed_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 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_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrpbrk_mixed_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a --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 64bit --witnessprinter.graph.data.programhash 76cdad16cb8577e2fa2738f5c22f29ef30a5ca1ee31bc621195c1ea9243fa2ae --- 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-b5237d8 [2022-11-21 13:50:04,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:50:04,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:50:04,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:50:04,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:50:04,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:50:04,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:50:04,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:50:04,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:50:04,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:50:04,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:50:04,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:50:04,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:50:04,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:50:04,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:50:04,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:50:04,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:50:04,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:50:04,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:50:04,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:50:04,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:50:04,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:50:04,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:50:04,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:50:04,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:50:04,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:50:04,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:50:04,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:50:04,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:50:04,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:50:04,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:50:04,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:50:04,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:50:04,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:50:04,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:50:04,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:50:04,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:50:04,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:50:04,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:50:04,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:50:04,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:50:04,574 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-21 13:50:04,597 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:50:04,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:50:04,598 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:50:04,598 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:50:04,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:50:04,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:50:04,599 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:50:04,600 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 13:50:04,600 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 13:50:04,600 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 13:50:04,600 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 13:50:04,601 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 13:50:04,601 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 13:50:04,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:50:04,601 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 13:50:04,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 13:50:04,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:50:04,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 13:50:04,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 13:50:04,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 13:50:04,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:50:04,603 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 13:50:04,603 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:50:04,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 13:50:04,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:50:04,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:50:04,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:50:04,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 13:50:04,606 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 13:50:04,606 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_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76cdad16cb8577e2fa2738f5c22f29ef30a5ca1ee31bc621195c1ea9243fa2ae [2022-11-21 13:50:04,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:50:04,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:50:04,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:50:04,934 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:50:04,937 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:50:04,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/termination-15/cstrpbrk_mixed_alloca.i [2022-11-21 13:50:08,059 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 13:50:08,321 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 13:50:08,321 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/sv-benchmarks/c/termination-15/cstrpbrk_mixed_alloca.i [2022-11-21 13:50:08,332 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/data/0904f46fe/281594cfcf5e4946b3bfef4dda333a1b/FLAG6b71a094b [2022-11-21 13:50:08,347 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/data/0904f46fe/281594cfcf5e4946b3bfef4dda333a1b [2022-11-21 13:50:08,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 13:50:08,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 13:50:08,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 13:50:08,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 13:50:08,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 13:50:08,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:50:08" (1/1) ... [2022-11-21 13:50:08,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6396be4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:08, skipping insertion in model container [2022-11-21 13:50:08,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:50:08" (1/1) ... [2022-11-21 13:50:08,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 13:50:08,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 13:50:08,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:50:08,871 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 13:50:08,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:50:08,962 INFO L208 MainTranslator]: Completed translation [2022-11-21 13:50:08,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:08 WrapperNode [2022-11-21 13:50:08,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 13:50:08,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 13:50:08,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 13:50:08,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 13:50:08,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:08" (1/1) ... [2022-11-21 13:50:08,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:08" (1/1) ... [2022-11-21 13:50:09,027 INFO L138 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2022-11-21 13:50:09,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 13:50:09,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 13:50:09,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 13:50:09,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 13:50:09,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:08" (1/1) ... [2022-11-21 13:50:09,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:08" (1/1) ... [2022-11-21 13:50:09,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:08" (1/1) ... [2022-11-21 13:50:09,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:08" (1/1) ... [2022-11-21 13:50:09,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:08" (1/1) ... [2022-11-21 13:50:09,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:08" (1/1) ... [2022-11-21 13:50:09,071 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:08" (1/1) ... [2022-11-21 13:50:09,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:08" (1/1) ... [2022-11-21 13:50:09,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 13:50:09,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 13:50:09,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 13:50:09,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 13:50:09,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:08" (1/1) ... [2022-11-21 13:50:09,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:09,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:09,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:09,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 13:50:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 13:50:09,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 13:50:09,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 13:50:09,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 13:50:09,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 13:50:09,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 13:50:09,285 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 13:50:09,287 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 13:50:09,501 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 13:50:09,507 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 13:50:09,507 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 13:50:09,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:50:09 BoogieIcfgContainer [2022-11-21 13:50:09,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 13:50:09,510 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 13:50:09,511 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 13:50:09,514 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 13:50:09,527 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 13:50:09,527 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 01:50:08" (1/3) ... [2022-11-21 13:50:09,528 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a07a54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 01:50:09, skipping insertion in model container [2022-11-21 13:50:09,528 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 13:50:09,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:50:08" (2/3) ... [2022-11-21 13:50:09,529 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a07a54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 01:50:09, skipping insertion in model container [2022-11-21 13:50:09,529 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 13:50:09,529 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:50:09" (3/3) ... [2022-11-21 13:50:09,532 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrpbrk_mixed_alloca.i [2022-11-21 13:50:09,615 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 13:50:09,616 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 13:50:09,616 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 13:50:09,616 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 13:50:09,616 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 13:50:09,616 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 13:50:09,617 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 13:50:09,617 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 13:50:09,623 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 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) [2022-11-21 13:50:09,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-21 13:50:09,642 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 13:50:09,642 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 13:50:09,647 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-21 13:50:09,648 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-21 13:50:09,648 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 13:50:09,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 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) [2022-11-21 13:50:09,650 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-21 13:50:09,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 13:50:09,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 13:50:09,651 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-21 13:50:09,651 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-21 13:50:09,658 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; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1.base, main_#t~ret217#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 16#L382true assume !(main_~length1~0#1 < 1); 14#L382-2true assume !(main_~length2~0#1 < 1); 4#L385-1true call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem207#1, cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset, cstrpbrk_#t~mem208#1, cstrpbrk_#t~mem209#1, cstrpbrk_#t~short210#1, cstrpbrk_#t~mem212#1, cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset, cstrpbrk_#t~mem206#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 8#L369-4true [2022-11-21 13:50:09,659 INFO L750 eck$LassoCheckResult]: Loop: 8#L369-4true call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 15#L369-1true assume !!(0 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 6#L372-5true assume !true; 5#L372-6true call cstrpbrk_#t~mem212#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 17#L374true assume !(cstrpbrk_#t~mem212#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem212#1; 9#L369-3true cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post205#1.base, 1 + cstrpbrk_#t~post205#1.offset;havoc cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset; 8#L369-4true [2022-11-21 13:50:09,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:09,665 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-11-21 13:50:09,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:50:09,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851679577] [2022-11-21 13:50:09,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:50:09,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:50:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:09,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:50:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:09,883 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 13:50:09,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:09,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2022-11-21 13:50:09,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:50:09,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559379029] [2022-11-21 13:50:09,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:50:09,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:50:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:09,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:50:09,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:50:09,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559379029] [2022-11-21 13:50:09,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559379029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:50:09,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:50:09,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:50:09,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582283782] [2022-11-21 13:50:09,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:50:09,941 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 13:50:09,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:50:09,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 13:50:09,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 13:50:09,977 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:50:09,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:50:09,984 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2022-11-21 13:50:09,986 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2022-11-21 13:50:09,987 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-21 13:50:09,990 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2022-11-21 13:50:09,991 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-21 13:50:09,992 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-21 13:50:09,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2022-11-21 13:50:09,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:50:09,993 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-21 13:50:10,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2022-11-21 13:50:10,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-21 13:50:10,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:50:10,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2022-11-21 13:50:10,023 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-21 13:50:10,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 13:50:10,027 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-21 13:50:10,028 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 13:50:10,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2022-11-21 13:50:10,029 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-21 13:50:10,029 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 13:50:10,029 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 13:50:10,029 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-21 13:50:10,029 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:50:10,030 INFO L748 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 45#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1.base, main_#t~ret217#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 52#L382 assume !(main_~length1~0#1 < 1); 56#L382-2 assume !(main_~length2~0#1 < 1); 46#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem207#1, cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset, cstrpbrk_#t~mem208#1, cstrpbrk_#t~mem209#1, cstrpbrk_#t~short210#1, cstrpbrk_#t~mem212#1, cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset, cstrpbrk_#t~mem206#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 47#L369-4 [2022-11-21 13:50:10,030 INFO L750 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 53#L369-1 assume !!(0 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 50#L372-5 call cstrpbrk_#t~mem208#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := 0 != cstrpbrk_#t~mem208#1; 51#L372-1 assume cstrpbrk_#t~short210#1;call cstrpbrk_#t~mem209#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := cstrpbrk_#t~mem209#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 55#L372-3 assume !cstrpbrk_#t~short210#1;havoc cstrpbrk_#t~mem208#1;havoc cstrpbrk_#t~mem209#1;havoc cstrpbrk_#t~short210#1; 48#L372-6 call cstrpbrk_#t~mem212#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 49#L374 assume !(cstrpbrk_#t~mem212#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem212#1; 54#L369-3 cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post205#1.base, 1 + cstrpbrk_#t~post205#1.offset;havoc cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset; 47#L369-4 [2022-11-21 13:50:10,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:10,031 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2022-11-21 13:50:10,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:50:10,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691789313] [2022-11-21 13:50:10,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:50:10,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:50:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:10,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:50:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:10,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 13:50:10,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:10,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2022-11-21 13:50:10,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:50:10,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537965477] [2022-11-21 13:50:10,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:50:10,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:50:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:10,108 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:50:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:10,138 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 13:50:10,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:10,140 INFO L85 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2022-11-21 13:50:10,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:50:10,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208256309] [2022-11-21 13:50:10,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:50:10,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:50:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:10,243 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:50:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:10,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 13:50:11,590 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 13:50:11,591 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 13:50:11,591 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 13:50:11,591 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 13:50:11,592 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 13:50:11,592 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:11,592 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 13:50:11,592 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 13:50:11,592 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_mixed_alloca.i_Iteration2_Lasso [2022-11-21 13:50:11,592 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 13:50:11,593 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 13:50:11,622 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:11,636 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:12,530 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:12,535 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:12,539 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:12,542 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:12,545 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:12,548 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:12,552 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:12,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:12,558 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:12,561 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:12,563 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:12,566 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:12,568 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:12,571 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:12,574 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:12,579 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:12,582 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:12,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:13,664 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 13:50:13,668 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 13:50:13,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:13,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:13,675 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:13,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:13,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:13,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 13:50:13,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:13,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:13,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:13,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 13:50:13,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 13:50:13,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-21 13:50:13,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:13,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:13,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:13,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:13,740 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:13,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-21 13:50:13,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:13,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:13,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:13,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:13,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:13,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 13:50:13,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 13:50:13,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:13,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:13,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:13,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:13,793 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:13,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:13,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-21 13:50:13,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:13,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:13,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:13,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:13,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 13:50:13,853 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 13:50:13,884 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 13:50:13,998 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2022-11-21 13:50:13,998 INFO L444 ModelExtractionUtils]: 32 out of 55 variables were initially zero. Simplification set additionally 20 variables to zero. [2022-11-21 13:50:14,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:14,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:14,047 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:14,060 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 13:50:14,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-21 13:50:14,080 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 13:50:14,080 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 13:50:14,081 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~sc1~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1) = -1*ULTIMATE.start_cstrpbrk_~sc1~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 Supporting invariants [] [2022-11-21 13:50:14,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:14,152 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-11-21 13:50:14,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:14,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 13:50:14,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:50:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:14,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 13:50:14,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:50:14,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:50:14,375 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 [2022-11-21 13:50:14,377 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-21 13:50:14,452 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 21 states and 28 transitions. Complement of second has 4 states. [2022-11-21 13:50:14,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 13:50:14,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-21 13:50:14,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2022-11-21 13:50:14,458 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2022-11-21 13:50:14,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 13:50:14,459 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2022-11-21 13:50:14,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 13:50:14,461 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2022-11-21 13:50:14,461 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 13:50:14,461 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2022-11-21 13:50:14,466 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-21 13:50:14,468 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2022-11-21 13:50:14,468 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-21 13:50:14,470 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-21 13:50:14,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2022-11-21 13:50:14,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 13:50:14,470 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-21 13:50:14,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2022-11-21 13:50:14,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-21 13:50:14,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 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) [2022-11-21 13:50:14,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2022-11-21 13:50:14,479 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-21 13:50:14,480 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-21 13:50:14,480 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-21 13:50:14,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2022-11-21 13:50:14,484 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-21 13:50:14,484 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 13:50:14,485 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 13:50:14,485 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:50:14,485 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 13:50:14,485 INFO L748 eck$LassoCheckResult]: Stem: 193#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 194#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1.base, main_#t~ret217#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 203#L382 assume !(main_~length1~0#1 < 1); 210#L382-2 assume !(main_~length2~0#1 < 1); 195#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem207#1, cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset, cstrpbrk_#t~mem208#1, cstrpbrk_#t~mem209#1, cstrpbrk_#t~short210#1, cstrpbrk_#t~mem212#1, cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset, cstrpbrk_#t~mem206#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 196#L369-4 call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 205#L369-1 assume !!(0 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 199#L372-5 [2022-11-21 13:50:14,486 INFO L750 eck$LassoCheckResult]: Loop: 199#L372-5 call cstrpbrk_#t~mem208#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := 0 != cstrpbrk_#t~mem208#1; 200#L372-1 assume cstrpbrk_#t~short210#1;call cstrpbrk_#t~mem209#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := cstrpbrk_#t~mem209#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 208#L372-3 assume !!cstrpbrk_#t~short210#1;havoc cstrpbrk_#t~mem208#1;havoc cstrpbrk_#t~mem209#1;havoc cstrpbrk_#t~short210#1;cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset := cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset - 1;havoc cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset; 199#L372-5 [2022-11-21 13:50:14,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:14,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2022-11-21 13:50:14,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:50:14,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620861785] [2022-11-21 13:50:14,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:50:14,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:50:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:14,533 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:50:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:14,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 13:50:14,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:14,558 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2022-11-21 13:50:14,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:50:14,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741441539] [2022-11-21 13:50:14,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:50:14,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:50:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:14,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:50:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:14,585 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 13:50:14,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:14,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2022-11-21 13:50:14,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:50:14,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393163320] [2022-11-21 13:50:14,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:50:14,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:50:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:14,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:50:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:14,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 13:50:14,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:15,895 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 13:50:15,896 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 13:50:15,896 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 13:50:15,896 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 13:50:15,896 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 13:50:15,896 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:15,897 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 13:50:15,897 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 13:50:15,897 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_mixed_alloca.i_Iteration3_Lasso [2022-11-21 13:50:15,897 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 13:50:15,897 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 13:50:15,901 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:16,686 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:16,689 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:16,692 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:16,694 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:16,697 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:16,700 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:16,703 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:16,706 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:16,713 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:16,715 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:16,719 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:16,722 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:16,725 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:16,728 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:16,731 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:16,734 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:16,737 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:16,743 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:16,746 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:17,819 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 13:50:17,820 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 13:50:17,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:17,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:17,823 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:17,837 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 [2022-11-21 13:50:17,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-21 13:50:17,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:17,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:17,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:17,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:17,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 13:50:17,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 13:50:17,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:17,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:17,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:17,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:17,886 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:17,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:17,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-21 13:50:17,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:17,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:17,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:17,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:17,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 13:50:17,913 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 13:50:17,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:17,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:17,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:17,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:17,943 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:17,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-21 13:50:17,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:17,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:17,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:17,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:17,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:17,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 13:50:17,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 13:50:18,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:18,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:18,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:18,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:18,021 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:18,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-21 13:50:18,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:18,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:18,040 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-21 13:50:18,040 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2022-11-21 13:50:18,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:18,112 INFO L401 nArgumentSynthesizer]: We have 108 Motzkin's Theorem applications. [2022-11-21 13:50:18,112 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-11-21 13:50:18,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:18,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:18,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:18,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:18,334 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:18,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:18,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-21 13:50:18,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:18,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:18,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:18,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:18,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 13:50:18,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 13:50:18,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:18,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:18,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:18,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:18,387 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:18,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:18,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-21 13:50:18,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:18,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:18,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:18,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:18,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 13:50:18,419 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 13:50:18,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:18,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:18,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:18,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:18,446 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:18,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:18,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-21 13:50:18,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:18,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:18,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:18,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:18,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 13:50:18,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 13:50:18,527 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 13:50:18,660 INFO L443 ModelExtractionUtils]: Simplification made 30 calls to the SMT solver. [2022-11-21 13:50:18,661 INFO L444 ModelExtractionUtils]: 10 out of 55 variables were initially zero. Simplification set additionally 42 variables to zero. [2022-11-21 13:50:18,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:18,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:18,663 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:18,672 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 13:50:18,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-21 13:50:18,703 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 13:50:18,703 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 13:50:18,704 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc216#1.base)_2) = 2*ULTIMATE.start_cstrpbrk_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216#1.base)_2 Supporting invariants [] [2022-11-21 13:50:18,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:18,816 INFO L156 tatePredicateManager]: 18 out of 19 supporting invariants were superfluous and have been removed [2022-11-21 13:50:18,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:18,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 13:50:18,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:50:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:18,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-21 13:50:18,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:50:18,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:50:18,983 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-21 13:50:18,984 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:50:19,048 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 57 transitions. Complement of second has 6 states. [2022-11-21 13:50:19,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 13:50:19,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:50:19,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2022-11-21 13:50:19,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-21 13:50:19,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 13:50:19,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2022-11-21 13:50:19,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 13:50:19,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2022-11-21 13:50:19,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 13:50:19,055 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2022-11-21 13:50:19,061 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-21 13:50:19,062 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2022-11-21 13:50:19,062 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-21 13:50:19,062 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-21 13:50:19,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2022-11-21 13:50:19,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 13:50:19,063 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 40 transitions. [2022-11-21 13:50:19,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2022-11-21 13:50:19,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2022-11-21 13:50:19,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 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) [2022-11-21 13:50:19,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2022-11-21 13:50:19,066 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-11-21 13:50:19,066 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-11-21 13:50:19,066 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-21 13:50:19,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2022-11-21 13:50:19,067 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-21 13:50:19,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 13:50:19,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 13:50:19,068 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:50:19,068 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 13:50:19,068 INFO L748 eck$LassoCheckResult]: Stem: 388#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 389#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1.base, main_#t~ret217#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 398#L382 assume !(main_~length1~0#1 < 1); 407#L382-2 assume !(main_~length2~0#1 < 1); 390#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem207#1, cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset, cstrpbrk_#t~mem208#1, cstrpbrk_#t~mem209#1, cstrpbrk_#t~short210#1, cstrpbrk_#t~mem212#1, cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset, cstrpbrk_#t~mem206#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 391#L369-4 call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 399#L369-1 assume !!(0 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 408#L372-5 call cstrpbrk_#t~mem208#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := 0 != cstrpbrk_#t~mem208#1; 411#L372-1 assume !cstrpbrk_#t~short210#1; 409#L372-3 assume !cstrpbrk_#t~short210#1;havoc cstrpbrk_#t~mem208#1;havoc cstrpbrk_#t~mem209#1;havoc cstrpbrk_#t~short210#1; 392#L372-6 call cstrpbrk_#t~mem212#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 393#L374 assume !(cstrpbrk_#t~mem212#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem212#1; 403#L369-3 cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post205#1.base, 1 + cstrpbrk_#t~post205#1.offset;havoc cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset; 400#L369-4 call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 402#L369-1 assume !!(0 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 394#L372-5 [2022-11-21 13:50:19,068 INFO L750 eck$LassoCheckResult]: Loop: 394#L372-5 call cstrpbrk_#t~mem208#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := 0 != cstrpbrk_#t~mem208#1; 395#L372-1 assume cstrpbrk_#t~short210#1;call cstrpbrk_#t~mem209#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := cstrpbrk_#t~mem209#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 404#L372-3 assume !!cstrpbrk_#t~short210#1;havoc cstrpbrk_#t~mem208#1;havoc cstrpbrk_#t~mem209#1;havoc cstrpbrk_#t~short210#1;cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset := cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset - 1;havoc cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset; 394#L372-5 [2022-11-21 13:50:19,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:19,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2022-11-21 13:50:19,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:50:19,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769819686] [2022-11-21 13:50:19,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:50:19,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:50:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:19,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:50:19,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:50:19,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769819686] [2022-11-21 13:50:19,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769819686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:50:19,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:50:19,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 13:50:19,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521834910] [2022-11-21 13:50:19,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:50:19,272 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 13:50:19,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:19,273 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2022-11-21 13:50:19,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:50:19,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194671134] [2022-11-21 13:50:19,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:50:19,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:50:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:19,284 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:50:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:19,301 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 13:50:19,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:50:19,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 13:50:19,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-21 13:50:19,438 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:50:19,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:50:19,528 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2022-11-21 13:50:19,528 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2022-11-21 13:50:19,529 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 13:50:19,529 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2022-11-21 13:50:19,530 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-21 13:50:19,530 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-21 13:50:19,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2022-11-21 13:50:19,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 13:50:19,530 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 35 transitions. [2022-11-21 13:50:19,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2022-11-21 13:50:19,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2022-11-21 13:50:19,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 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) [2022-11-21 13:50:19,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2022-11-21 13:50:19,532 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2022-11-21 13:50:19,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 13:50:19,538 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2022-11-21 13:50:19,539 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-21 13:50:19,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2022-11-21 13:50:19,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-21 13:50:19,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 13:50:19,541 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 13:50:19,541 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:50:19,542 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 13:50:19,542 INFO L748 eck$LassoCheckResult]: Stem: 460#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 461#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1.base, main_#t~ret217#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 470#L382 assume !(main_~length1~0#1 < 1); 479#L382-2 assume !(main_~length2~0#1 < 1); 462#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem207#1, cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset, cstrpbrk_#t~mem208#1, cstrpbrk_#t~mem209#1, cstrpbrk_#t~short210#1, cstrpbrk_#t~mem212#1, cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset, cstrpbrk_#t~mem206#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 463#L369-4 call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 471#L369-1 assume !!(0 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 484#L372-5 call cstrpbrk_#t~mem208#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := 0 != cstrpbrk_#t~mem208#1; 483#L372-1 assume cstrpbrk_#t~short210#1;call cstrpbrk_#t~mem209#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := cstrpbrk_#t~mem209#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 481#L372-3 assume !cstrpbrk_#t~short210#1;havoc cstrpbrk_#t~mem208#1;havoc cstrpbrk_#t~mem209#1;havoc cstrpbrk_#t~short210#1; 464#L372-6 call cstrpbrk_#t~mem212#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 465#L374 assume !(cstrpbrk_#t~mem212#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem212#1; 475#L369-3 cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post205#1.base, 1 + cstrpbrk_#t~post205#1.offset;havoc cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset; 472#L369-4 call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 474#L369-1 assume !!(0 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 466#L372-5 [2022-11-21 13:50:19,542 INFO L750 eck$LassoCheckResult]: Loop: 466#L372-5 call cstrpbrk_#t~mem208#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := 0 != cstrpbrk_#t~mem208#1; 467#L372-1 assume cstrpbrk_#t~short210#1;call cstrpbrk_#t~mem209#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := cstrpbrk_#t~mem209#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 476#L372-3 assume !!cstrpbrk_#t~short210#1;havoc cstrpbrk_#t~mem208#1;havoc cstrpbrk_#t~mem209#1;havoc cstrpbrk_#t~short210#1;cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset := cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset - 1;havoc cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset; 466#L372-5 [2022-11-21 13:50:19,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:19,543 INFO L85 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2022-11-21 13:50:19,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:50:19,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864240045] [2022-11-21 13:50:19,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:50:19,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:50:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:19,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:50:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:19,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 13:50:19,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:19,637 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2022-11-21 13:50:19,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:50:19,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922234871] [2022-11-21 13:50:19,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:50:19,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:50:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:19,645 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:50:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:19,652 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 13:50:19,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:19,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2022-11-21 13:50:19,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:50:19,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136513680] [2022-11-21 13:50:19,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:50:19,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:50:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:19,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:50:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:50:19,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 13:50:20,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-11-21 13:50:21,230 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 13:50:21,230 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 13:50:21,230 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 13:50:21,230 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 13:50:21,230 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 13:50:21,231 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:21,231 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 13:50:21,231 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 13:50:21,231 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_mixed_alloca.i_Iteration5_Lasso [2022-11-21 13:50:21,231 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 13:50:21,231 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 13:50:21,235 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:21,240 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:21,244 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:21,247 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:21,249 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:21,251 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:21,254 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:21,256 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:21,259 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:21,262 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:21,264 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:21,267 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:21,270 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:21,273 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:21,275 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:21,278 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:21,280 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:21,283 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:21,285 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:21,288 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 13:50:23,826 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 13:50:23,826 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 13:50:23,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:23,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:23,829 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:23,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-21 13:50:23,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:23,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:23,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:23,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:23,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:23,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 13:50:23,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 13:50:23,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:23,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-11-21 13:50:23,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:23,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:23,855 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:23,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-21 13:50:23,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:23,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:23,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 13:50:23,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:23,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:23,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:23,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 13:50:23,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 13:50:23,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:23,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:23,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:23,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:23,878 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:23,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-21 13:50:23,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:23,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:23,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 13:50:23,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:23,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:23,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:23,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 13:50:23,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 13:50:23,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:23,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:23,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:23,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:23,905 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:23,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-21 13:50:23,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:23,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:23,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 13:50:23,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:23,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:23,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:23,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 13:50:23,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 13:50:23,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:23,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:23,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:23,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:23,930 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:23,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-21 13:50:23,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:23,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:23,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 13:50:23,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:23,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:23,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:23,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 13:50:23,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 13:50:23,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:23,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:23,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:23,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:23,955 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:23,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-21 13:50:23,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:23,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:23,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 13:50:23,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:23,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:23,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:23,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 13:50:23,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 13:50:23,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:23,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:23,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:23,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:23,997 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-21 13:50:24,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:24,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 13:50:24,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 13:50:24,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 13:50:24,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:24,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,025 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-21 13:50:24,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:24,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 13:50:24,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 13:50:24,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:24,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,062 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-21 13:50:24,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:24,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 13:50:24,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 13:50:24,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 13:50:24,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-11-21 13:50:24,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,084 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-21 13:50:24,087 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 [2022-11-21 13:50:24,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 13:50:24,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 13:50:24,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 13:50:24,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:24,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,105 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-21 13:50:24,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:24,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 13:50:24,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 13:50:24,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 13:50:24,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:24,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,148 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-21 13:50:24,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:24,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 13:50:24,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 13:50:24,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 13:50:24,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-21 13:50:24,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,170 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-21 13:50:24,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:24,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 13:50:24,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,188 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 13:50:24,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 13:50:24,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:24,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,195 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-21 13:50:24,197 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 [2022-11-21 13:50:24,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 13:50:24,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 13:50:24,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 13:50:24,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:24,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,222 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-21 13:50:24,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:24,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 13:50:24,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 13:50:24,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 13:50:24,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-21 13:50:24,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,247 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-21 13:50:24,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:24,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 13:50:24,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 13:50:24,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 13:50:24,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-21 13:50:24,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,269 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-21 13:50:24,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:24,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 13:50:24,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 13:50:24,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 13:50:24,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:24,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,292 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-21 13:50:24,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:24,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 13:50:24,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 13:50:24,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 13:50:24,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:24,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,315 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-21 13:50:24,318 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 [2022-11-21 13:50:24,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 13:50:24,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 13:50:24,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 13:50:24,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:24,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,336 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-21 13:50:24,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:24,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 13:50:24,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 13:50:24,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:24,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,364 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-21 13:50:24,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:24,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 13:50:24,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 13:50:24,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:24,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,432 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-21 13:50:24,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:24,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,447 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2022-11-21 13:50:24,447 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2022-11-21 13:50:24,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,544 INFO L401 nArgumentSynthesizer]: We have 132 Motzkin's Theorem applications. [2022-11-21 13:50:24,545 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-11-21 13:50:24,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:24,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,733 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-21 13:50:24,737 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 [2022-11-21 13:50:24,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 13:50:24,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 13:50:24,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:24,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,765 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-21 13:50:24,767 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 [2022-11-21 13:50:24,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 13:50:24,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 13:50:24,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:24,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,787 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-21 13:50:24,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:24,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 13:50:24,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 13:50:24,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-11-21 13:50:24,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,817 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-21 13:50:24,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:24,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,836 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 13:50:24,836 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 13:50:24,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 13:50:24,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:24,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,845 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-21 13:50:24,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 13:50:24,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 13:50:24,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 13:50:24,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 13:50:24,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 13:50:24,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 13:50:24,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 13:50:24,915 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 13:50:24,945 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-21 13:50:24,946 INFO L444 ModelExtractionUtils]: 42 out of 55 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-21 13:50:24,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:50:24,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:50:24,948 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:50:24,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-21 13:50:24,951 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 13:50:24,964 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 13:50:24,964 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 13:50:24,964 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s~0#1.offset) = 2*ULTIMATE.start_cstrpbrk_~s~0#1.offset + 1 Supporting invariants [] [2022-11-21 13:50:24,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:25,112 INFO L156 tatePredicateManager]: 28 out of 28 supporting invariants were superfluous and have been removed [2022-11-21 13:50:25,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:25,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 13:50:25,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:50:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:25,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 13:50:25,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:50:25,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:50:25,210 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 [2022-11-21 13:50:25,211 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:50:25,229 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 51 transitions. Complement of second has 5 states. [2022-11-21 13:50:25,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 13:50:25,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:50:25,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-11-21 13:50:25,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-21 13:50:25,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 13:50:25,231 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-21 13:50:25,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:25,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 13:50:25,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:50:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:25,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 13:50:25,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:50:25,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:50:25,324 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-21 13:50:25,325 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:50:25,341 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 51 transitions. Complement of second has 5 states. [2022-11-21 13:50:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 13:50:25,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:50:25,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-11-21 13:50:25,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-21 13:50:25,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 13:50:25,343 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-21 13:50:25,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:25,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-21 13:50:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:25,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 13:50:25,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:50:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:25,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 13:50:25,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:50:25,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:50:25,502 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-21 13:50:25,503 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:50:25,533 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 53 transitions. Complement of second has 4 states. [2022-11-21 13:50:25,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 13:50:25,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:50:25,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2022-11-21 13:50:25,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-21 13:50:25,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 13:50:25,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2022-11-21 13:50:25,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 13:50:25,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2022-11-21 13:50:25,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 13:50:25,543 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2022-11-21 13:50:25,553 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 13:50:25,554 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2022-11-21 13:50:25,554 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-21 13:50:25,555 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-21 13:50:25,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-21 13:50:25,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:50:25,555 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 13:50:25,555 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 13:50:25,555 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 13:50:25,556 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-21 13:50:25,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-21 13:50:25,556 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 13:50:25,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-21 13:50:25,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 01:50:25 BoogieIcfgContainer [2022-11-21 13:50:25,564 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 13:50:25,565 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 13:50:25,565 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 13:50:25,565 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 13:50:25,566 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:50:09" (3/4) ... [2022-11-21 13:50:25,569 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 13:50:25,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 13:50:25,570 INFO L158 Benchmark]: Toolchain (without parser) took 17219.24ms. Allocated memory was 159.4MB in the beginning and 281.0MB in the end (delta: 121.6MB). Free memory was 125.2MB in the beginning and 232.2MB in the end (delta: -106.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 13:50:25,570 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 13:50:25,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 611.21ms. Allocated memory is still 159.4MB. Free memory was 124.6MB in the beginning and 121.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 13:50:25,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.18ms. Allocated memory is still 159.4MB. Free memory was 121.7MB in the beginning and 119.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 13:50:25,571 INFO L158 Benchmark]: Boogie Preprocessor took 51.06ms. Allocated memory is still 159.4MB. Free memory was 119.6MB in the beginning and 118.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 13:50:25,572 INFO L158 Benchmark]: RCFGBuilder took 430.07ms. Allocated memory is still 159.4MB. Free memory was 118.2MB in the beginning and 104.9MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 13:50:25,572 INFO L158 Benchmark]: BuchiAutomizer took 16053.99ms. Allocated memory was 159.4MB in the beginning and 281.0MB in the end (delta: 121.6MB). Free memory was 104.9MB in the beginning and 232.2MB in the end (delta: -127.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 13:50:25,572 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 281.0MB. Free memory is still 232.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 13:50:25,575 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 611.21ms. Allocated memory is still 159.4MB. Free memory was 124.6MB in the beginning and 121.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.18ms. Allocated memory is still 159.4MB. Free memory was 121.7MB in the beginning and 119.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.06ms. Allocated memory is still 159.4MB. Free memory was 119.6MB in the beginning and 118.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 430.07ms. Allocated memory is still 159.4MB. Free memory was 118.2MB in the beginning and 104.9MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 16053.99ms. Allocated memory was 159.4MB in the beginning and 281.0MB in the end (delta: 121.6MB). Free memory was 104.9MB in the beginning and 232.2MB in the end (delta: -127.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 281.0MB. Free memory is still 232.2MB. 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * sc1 + unknown-#length-unknown[nondetString1] and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length2 * sizeof(char))] + 2 * s and consists of 4 locations. One nondeterministic module has affine ranking function 2 * s + 1 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.9s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 14.6s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 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 [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 173 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 114 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital285 mio100 ax100 hnf100 lsp103 ukn82 mio100 lsp46 div162 bol100 ite100 ukn100 eq167 hnf92 smp68 dnf381 smp42 tf100 neg97 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 294ms VariablesStem: 7 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 132 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! [2022-11-21 13:50:25,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388fb449-7d8c-4f9a-baeb-fb5eecbc201e/bin/uautomizer-vX5HgA9Q3a/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