./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strtok_r.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strtok_r.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg --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 768358a1bcdb56fc885a8df113baa43d689898e0e32c0ab06e790a868148d36d 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:39:22,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:39:22,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:39:22,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:39:22,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:39:22,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:39:22,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:39:22,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:39:22,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:39:22,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:39:22,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:39:22,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:39:22,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:39:22,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:39:22,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:39:22,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:39:22,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:39:22,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:39:22,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:39:22,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:39:22,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:39:22,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:39:22,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:39:22,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:39:22,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:39:22,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:39:22,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:39:22,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:39:22,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:39:22,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:39:22,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:39:22,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:39:22,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:39:22,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:39:22,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:39:22,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:39:22,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:39:22,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:39:22,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:39:22,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:39:22,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:39:22,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 09:39:22,470 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:39:22,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:39:22,471 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:39:22,471 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:39:22,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:39:22,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:39:22,474 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:39:22,474 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:39:22,474 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:39:22,475 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:39:22,476 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:39:22,476 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:39:22,476 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:39:22,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:39:22,477 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:39:22,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:39:22,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:39:22,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:39:22,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:39:22,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:39:22,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:39:22,478 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:39:22,478 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:39:22,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:39:22,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:39:22,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:39:22,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:39:22,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:39:22,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:39:22,482 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:39:22,482 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_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 768358a1bcdb56fc885a8df113baa43d689898e0e32c0ab06e790a868148d36d [2021-10-28 09:39:22,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:39:22,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:39:22,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:39:22,790 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:39:22,791 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:39:22,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-dietlibc/strtok_r.i [2021-10-28 09:39:22,886 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/data/79622d059/7932a70b39384cf2b6057af347908293/FLAGdab69bf18 [2021-10-28 09:39:23,352 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:39:23,353 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/sv-benchmarks/c/termination-dietlibc/strtok_r.i [2021-10-28 09:39:23,378 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/data/79622d059/7932a70b39384cf2b6057af347908293/FLAGdab69bf18 [2021-10-28 09:39:23,696 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/data/79622d059/7932a70b39384cf2b6057af347908293 [2021-10-28 09:39:23,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:39:23,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:39:23,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:39:23,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:39:23,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:39:23,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:39:23" (1/1) ... [2021-10-28 09:39:23,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd8c4e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:23, skipping insertion in model container [2021-10-28 09:39:23,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:39:23" (1/1) ... [2021-10-28 09:39:23,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:39:23,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:39:24,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:39:24,096 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:39:24,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:39:24,197 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:39:24,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:24 WrapperNode [2021-10-28 09:39:24,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:39:24,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:39:24,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:39:24,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:39:24,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:24" (1/1) ... [2021-10-28 09:39:24,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:24" (1/1) ... [2021-10-28 09:39:24,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:39:24,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:39:24,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:39:24,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:39:24,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:24" (1/1) ... [2021-10-28 09:39:24,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:24" (1/1) ... [2021-10-28 09:39:24,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:24" (1/1) ... [2021-10-28 09:39:24,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:24" (1/1) ... [2021-10-28 09:39:24,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:24" (1/1) ... [2021-10-28 09:39:24,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:24" (1/1) ... [2021-10-28 09:39:24,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:24" (1/1) ... [2021-10-28 09:39:24,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:39:24,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:39:24,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:39:24,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:39:24,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:24" (1/1) ... [2021-10-28 09:39:24,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:24,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:24,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:24,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:39:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:39:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:39:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:39:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 09:39:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 09:39:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:39:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 09:39:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:39:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:39:24,816 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:39:24,817 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-28 09:39:24,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:39:24 BoogieIcfgContainer [2021-10-28 09:39:24,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:39:24,820 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:39:24,820 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:39:24,823 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:39:24,824 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:39:24,824 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:39:23" (1/3) ... [2021-10-28 09:39:24,825 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5eb6fcd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:39:24, skipping insertion in model container [2021-10-28 09:39:24,825 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:39:24,825 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:39:24" (2/3) ... [2021-10-28 09:39:24,826 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5eb6fcd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:39:24, skipping insertion in model container [2021-10-28 09:39:24,826 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:39:24,826 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:39:24" (3/3) ... [2021-10-28 09:39:24,827 INFO L389 chiAutomizerObserver]: Analyzing ICFG strtok_r.i [2021-10-28 09:39:24,867 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:39:24,867 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:39:24,867 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:39:24,867 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:39:24,867 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:39:24,867 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:39:24,868 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:39:24,868 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:39:24,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 34 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 33 states have internal predecessors, (49), 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) [2021-10-28 09:39:24,913 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-28 09:39:24,913 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:39:24,914 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:39:24,919 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:39:24,920 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:39:24,920 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:39:24,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 34 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 33 states have internal predecessors, (49), 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) [2021-10-28 09:39:24,923 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-28 09:39:24,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:39:24,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:39:24,924 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:39:24,925 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:39:24,931 INFO L791 eck$LassoCheckResult]: Stem: 22#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 8#L544true assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 30#L548true assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 26#L532true assume strtok_r_~s.base == 0 && strtok_r_~s.offset == 0;call strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset := read~$Pointer$(strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, 8);strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset; 23#L532-2true strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 10#L510-4true [2021-10-28 09:39:24,932 INFO L793 eck$LassoCheckResult]: Loop: 10#L510-4true call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 31#L510-1true assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 7#L511-6true assume !true; 27#L511-7true call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 17#L512true assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 16#L510-3true strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 10#L510-4true [2021-10-28 09:39:24,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:24,938 INFO L85 PathProgramCache]: Analyzing trace with hash 889571276, now seen corresponding path program 1 times [2021-10-28 09:39:24,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:24,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972619199] [2021-10-28 09:39:24,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:24,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:25,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:39:25,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:39:25,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972619199] [2021-10-28 09:39:25,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972619199] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:39:25,132 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:39:25,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:39:25,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756879658] [2021-10-28 09:39:25,138 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:39:25,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:25,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1573281738, now seen corresponding path program 1 times [2021-10-28 09:39:25,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:25,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402375064] [2021-10-28 09:39:25,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:25,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:25,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:39:25,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:39:25,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402375064] [2021-10-28 09:39:25,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402375064] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:39:25,178 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:39:25,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:39:25,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295246502] [2021-10-28 09:39:25,180 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:39:25,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:39:25,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:39:25,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:39:25,195 INFO L87 Difference]: Start difference. First operand has 34 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 33 states have internal predecessors, (49), 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) [2021-10-28 09:39:25,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:39:25,217 INFO L93 Difference]: Finished difference Result 34 states and 45 transitions. [2021-10-28 09:39:25,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:39:25,219 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 45 transitions. [2021-10-28 09:39:25,225 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-28 09:39:25,228 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 26 states and 32 transitions. [2021-10-28 09:39:25,229 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-10-28 09:39:25,229 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2021-10-28 09:39:25,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 32 transitions. [2021-10-28 09:39:25,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:39:25,230 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-10-28 09:39:25,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 32 transitions. [2021-10-28 09:39:25,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-28 09:39:25,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 25 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:25,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2021-10-28 09:39:25,252 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-10-28 09:39:25,253 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-10-28 09:39:25,253 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:39:25,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 32 transitions. [2021-10-28 09:39:25,254 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-28 09:39:25,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:39:25,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:39:25,255 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:39:25,259 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:39:25,260 INFO L791 eck$LassoCheckResult]: Stem: 99#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 86#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 84#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 85#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 101#L532 assume strtok_r_~s.base == 0 && strtok_r_~s.offset == 0;call strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset := read~$Pointer$(strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, 8);strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset; 100#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 87#L510-4 [2021-10-28 09:39:25,261 INFO L793 eck$LassoCheckResult]: Loop: 87#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 88#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 82#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 83#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 103#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 102#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 94#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 93#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 87#L510-4 [2021-10-28 09:39:25,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:25,262 INFO L85 PathProgramCache]: Analyzing trace with hash 889571276, now seen corresponding path program 2 times [2021-10-28 09:39:25,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:25,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821725994] [2021-10-28 09:39:25,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:25,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:25,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:39:25,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:39:25,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821725994] [2021-10-28 09:39:25,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821725994] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:39:25,339 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:39:25,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:39:25,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438318325] [2021-10-28 09:39:25,340 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:39:25,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:25,340 INFO L85 PathProgramCache]: Analyzing trace with hash -347496813, now seen corresponding path program 1 times [2021-10-28 09:39:25,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:25,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335419818] [2021-10-28 09:39:25,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:25,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:25,359 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:25,405 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:25,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:39:25,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:39:25,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:39:25,647 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2021-10-28 09:39:25,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:39:25,671 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2021-10-28 09:39:25,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:39:25,672 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2021-10-28 09:39:25,673 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-28 09:39:25,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 31 transitions. [2021-10-28 09:39:25,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-10-28 09:39:25,674 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2021-10-28 09:39:25,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 31 transitions. [2021-10-28 09:39:25,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:39:25,675 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-10-28 09:39:25,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 31 transitions. [2021-10-28 09:39:25,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-28 09:39:25,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 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) [2021-10-28 09:39:25,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2021-10-28 09:39:25,678 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-10-28 09:39:25,678 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-10-28 09:39:25,678 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:39:25,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 31 transitions. [2021-10-28 09:39:25,679 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-28 09:39:25,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:39:25,680 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:39:25,680 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:39:25,680 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:39:25,680 INFO L791 eck$LassoCheckResult]: Stem: 160#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 147#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 145#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 146#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 162#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 161#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 148#L510-4 [2021-10-28 09:39:25,681 INFO L793 eck$LassoCheckResult]: Loop: 148#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 149#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 143#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 144#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 164#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 163#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 155#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 154#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 148#L510-4 [2021-10-28 09:39:25,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:25,681 INFO L85 PathProgramCache]: Analyzing trace with hash 889571338, now seen corresponding path program 1 times [2021-10-28 09:39:25,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:25,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172589378] [2021-10-28 09:39:25,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:25,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:25,700 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:25,724 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:25,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:25,725 INFO L85 PathProgramCache]: Analyzing trace with hash -347496813, now seen corresponding path program 2 times [2021-10-28 09:39:25,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:25,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174042859] [2021-10-28 09:39:25,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:25,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:25,734 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:25,746 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:25,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:25,746 INFO L85 PathProgramCache]: Analyzing trace with hash -126923364, now seen corresponding path program 1 times [2021-10-28 09:39:25,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:25,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485273461] [2021-10-28 09:39:25,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:25,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:25,779 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:25,815 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:27,459 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:39:27,459 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:39:27,460 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:39:27,460 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:39:27,461 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:39:27,461 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:27,461 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:39:27,461 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:39:27,461 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration3_Lasso [2021-10-28 09:39:27,462 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:39:27,462 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:39:27,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:27,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:28,580 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:39:28,585 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:39:28,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:28,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:28,587 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:28,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:39:28,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:28,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:28,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:28,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:28,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:28,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:28,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:28,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:28,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:28,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:28,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:28,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:28,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:28,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:39:28,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:28,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:28,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:28,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:28,664 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:39:28,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:28,667 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:39:28,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:28,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:28,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:28,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:28,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:28,708 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:28,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:39:28,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:28,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:28,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:28,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:28,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:28,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:28,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:28,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:28,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:28,801 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:28,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:28,802 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:28,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:39:28,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:28,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:28,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:28,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:28,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:28,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:28,832 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:28,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:28,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:28,881 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:28,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:28,884 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:28,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:39:28,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:28,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:28,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:28,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:28,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:28,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:28,915 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:28,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:28,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:28,978 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:28,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:28,980 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:28,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:28,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:28,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:28,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:28,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:29,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:29,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:29,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:39:29,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:29,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:29,059 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:29,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:29,061 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:29,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:29,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:39:29,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:29,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:29,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:29,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:29,105 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:29,105 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:29,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:29,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:29,157 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:29,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:29,184 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:29,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:39:29,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:29,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:29,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:29,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:29,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:29,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:29,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:29,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:29,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:29,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:29,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:29,256 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:29,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:29,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:39:29,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:29,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:29,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:29,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:29,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:29,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:29,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:29,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-28 09:39:29,299 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:29,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:29,300 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:29,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:39:29,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:29,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:29,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:29,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:29,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:29,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:29,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:29,338 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:39:29,375 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-28 09:39:29,375 INFO L444 ModelExtractionUtils]: 11 out of 31 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-10-28 09:39:29,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:29,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:29,397 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:29,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:39:29,459 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:39:29,481 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:39:29,481 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:39:29,482 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strspn_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc25.base)_1) = -1*ULTIMATE.start_strspn_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc25.base)_1 Supporting invariants [] [2021-10-28 09:39:29,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:29,581 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2021-10-28 09:39:29,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:29,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:39:29,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:39:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:29,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:39:29,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:39:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:39:29,846 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-28 09:39:29,847 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:29,936 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 57 transitions. Complement of second has 6 states. [2021-10-28 09:39:29,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:39:29,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:29,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2021-10-28 09:39:29,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 8 letters. [2021-10-28 09:39:29,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:39:29,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 14 letters. Loop has 8 letters. [2021-10-28 09:39:29,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:39:29,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 16 letters. [2021-10-28 09:39:29,941 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:39:29,941 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 57 transitions. [2021-10-28 09:39:29,943 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-28 09:39:29,943 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 34 states and 42 transitions. [2021-10-28 09:39:29,944 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-28 09:39:29,944 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-10-28 09:39:29,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 42 transitions. [2021-10-28 09:39:29,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:39:29,944 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-10-28 09:39:29,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 42 transitions. [2021-10-28 09:39:29,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-10-28 09:39:29,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 33 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:29,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2021-10-28 09:39:29,948 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-10-28 09:39:29,948 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-10-28 09:39:29,948 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:39:29,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2021-10-28 09:39:29,949 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-28 09:39:29,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:39:29,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:39:29,950 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:39:29,950 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:39:29,950 INFO L791 eck$LassoCheckResult]: Stem: 360#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 343#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 341#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 342#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 362#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 361#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 344#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 346#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 337#L511-6 [2021-10-28 09:39:29,950 INFO L793 eck$LassoCheckResult]: Loop: 337#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 338#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 365#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 356#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 337#L511-6 [2021-10-28 09:39:29,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:29,951 INFO L85 PathProgramCache]: Analyzing trace with hash 179564655, now seen corresponding path program 1 times [2021-10-28 09:39:29,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:29,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511053023] [2021-10-28 09:39:29,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:29,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:29,969 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:29,989 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:29,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:29,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1911846, now seen corresponding path program 1 times [2021-10-28 09:39:29,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:29,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893704512] [2021-10-28 09:39:29,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:29,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:29,996 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:30,002 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:30,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:30,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1251527276, now seen corresponding path program 1 times [2021-10-28 09:39:30,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:30,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284752547] [2021-10-28 09:39:30,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:30,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:30,039 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:30,076 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:30,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:31,588 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:39:31,588 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:39:31,588 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:39:31,588 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:39:31,588 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:39:31,588 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:31,589 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:39:31,589 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:39:31,589 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration4_Lasso [2021-10-28 09:39:31,589 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:39:31,589 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:39:31,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:31,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:32,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:32,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:32,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:32,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:32,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:32,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:32,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:32,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:32,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:32,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:32,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:32,731 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:39:32,731 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:39:32,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:32,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:32,733 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:32,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:32,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:32,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:32,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:32,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:32,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:32,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:32,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:32,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:39:32,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:32,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:32,801 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:32,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:32,802 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:32,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:32,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:32,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:32,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:32,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:32,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:32,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:32,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:32,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:39:32,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:32,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:32,863 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:32,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:32,864 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:32,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:32,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:32,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:32,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:32,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:32,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:32,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:32,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:32,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:39:32,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:32,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:32,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:32,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:32,911 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:32,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:39:32,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:32,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:32,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:32,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:32,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:32,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:32,925 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:32,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:32,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:32,965 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:32,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:32,966 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:32,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:39:32,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:32,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:32,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:32,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:32,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:32,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:32,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:32,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:32,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:32,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:32,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:32,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:32,999 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:39:33,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:33,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:33,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:33,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:33,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,034 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:39:33,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:33,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:33,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:33,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-10-28 09:39:33,070 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,077 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:39:33,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:33,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:33,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:33,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:33,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,115 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:39:33,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:33,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:33,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:33,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:33,148 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,149 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:39:33,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:33,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:33,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:33,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-28 09:39:33,177 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,178 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:39:33,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:33,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:33,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:33,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,230 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:39:33,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:33,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:33,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-28 09:39:33,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,286 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:33,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,310 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:33,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:33,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:39:33,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:33,359 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,360 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:39:33,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:33,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:33,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:33,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-28 09:39:33,390 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,391 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:39:33,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:33,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:33,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:33,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:33,419 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,420 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 09:39:33,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:33,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:33,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:33,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:33,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,465 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 09:39:33,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:33,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:33,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:33,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-28 09:39:33,505 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,505 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 09:39:33,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:33,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:33,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:33,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-28 09:39:33,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,535 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 09:39:33,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:33,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:33,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:33,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:33,608 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,609 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:33,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:33,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 09:39:33,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:33,671 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,672 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:33,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:33,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:33,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 09:39:33,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:33,731 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,736 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 09:39:33,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:33,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:33,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:33,791 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,792 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 09:39:33,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:33,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:33,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:33,836 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,837 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 09:39:33,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:33,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:33,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-28 09:39:33,868 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,868 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 09:39:33,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:33,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:33,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:33,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-28 09:39:33,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:33,909 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:33,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:33,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 09:39:33,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:33,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:33,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:33,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:33,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:33,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:33,951 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:39:33,998 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-28 09:39:33,998 INFO L444 ModelExtractionUtils]: 34 out of 49 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-10-28 09:39:33,998 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:33,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:34,004 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:34,008 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:39:34,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 09:39:34,032 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:39:34,033 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:39:34,033 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_2, ULTIMATE.start_strspn_~a~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_2 - 1*ULTIMATE.start_strspn_~a~0.offset Supporting invariants [] [2021-10-28 09:39:34,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:34,115 INFO L297 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2021-10-28 09:39:34,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:34,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 09:39:34,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:39:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:34,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:39:34,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:39:34,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:39:34,303 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-28 09:39:34,303 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-10-28 09:39:34,387 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 11. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 100 states and 123 transitions. Complement of second has 7 states. [2021-10-28 09:39:34,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:39:34,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-10-28 09:39:34,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2021-10-28 09:39:34,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-28 09:39:34,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:39:34,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 12 letters. Loop has 4 letters. [2021-10-28 09:39:34,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:39:34,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 8 letters. Loop has 8 letters. [2021-10-28 09:39:34,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:39:34,389 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 123 transitions. [2021-10-28 09:39:34,393 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 28 [2021-10-28 09:39:34,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 79 states and 99 transitions. [2021-10-28 09:39:34,394 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 53 [2021-10-28 09:39:34,395 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2021-10-28 09:39:34,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 99 transitions. [2021-10-28 09:39:34,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:39:34,395 INFO L681 BuchiCegarLoop]: Abstraction has 79 states and 99 transitions. [2021-10-28 09:39:34,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 99 transitions. [2021-10-28 09:39:34,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 49. [2021-10-28 09:39:34,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 48 states have internal predecessors, (65), 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) [2021-10-28 09:39:34,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 65 transitions. [2021-10-28 09:39:34,400 INFO L704 BuchiCegarLoop]: Abstraction has 49 states and 65 transitions. [2021-10-28 09:39:34,400 INFO L587 BuchiCegarLoop]: Abstraction has 49 states and 65 transitions. [2021-10-28 09:39:34,400 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 09:39:34,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 65 transitions. [2021-10-28 09:39:34,401 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-28 09:39:34,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:39:34,401 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:39:34,402 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:39:34,402 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:39:34,402 INFO L791 eck$LassoCheckResult]: Stem: 647#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 627#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 625#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 626#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 649#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 648#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 628#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 630#L510-1 assume !(0 != strspn_#t~mem10);havoc strspn_#t~mem10; 640#L510-5 strspn_#res := strspn_~l~0; 645#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 646#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 618#L523-4 [2021-10-28 09:39:34,402 INFO L793 eck$LassoCheckResult]: Loop: 618#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 619#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 637#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 634#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 635#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 636#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 618#L523-4 [2021-10-28 09:39:34,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:34,403 INFO L85 PathProgramCache]: Analyzing trace with hash -2118613646, now seen corresponding path program 1 times [2021-10-28 09:39:34,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:34,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467502791] [2021-10-28 09:39:34,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:34,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:34,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:34,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:39:34,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:39:34,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467502791] [2021-10-28 09:39:34,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467502791] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:39:34,574 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:39:34,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-28 09:39:34,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545656064] [2021-10-28 09:39:34,575 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:39:34,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:34,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1361307093, now seen corresponding path program 1 times [2021-10-28 09:39:34,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:34,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897719495] [2021-10-28 09:39:34,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:34,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:34,584 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:34,601 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:34,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:39:34,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 09:39:34,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:39:34,680 INFO L87 Difference]: Start difference. First operand 49 states and 65 transitions. cyclomatic complexity: 21 Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2021-10-28 09:39:34,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:39:34,834 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2021-10-28 09:39:34,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:39:34,835 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 73 transitions. [2021-10-28 09:39:34,836 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-28 09:39:34,836 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 55 states and 70 transitions. [2021-10-28 09:39:34,837 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-10-28 09:39:34,837 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-10-28 09:39:34,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 70 transitions. [2021-10-28 09:39:34,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:39:34,837 INFO L681 BuchiCegarLoop]: Abstraction has 55 states and 70 transitions. [2021-10-28 09:39:34,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 70 transitions. [2021-10-28 09:39:34,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2021-10-28 09:39:34,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 48 states have internal predecessors, (64), 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) [2021-10-28 09:39:34,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 64 transitions. [2021-10-28 09:39:34,841 INFO L704 BuchiCegarLoop]: Abstraction has 49 states and 64 transitions. [2021-10-28 09:39:34,841 INFO L587 BuchiCegarLoop]: Abstraction has 49 states and 64 transitions. [2021-10-28 09:39:34,841 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 09:39:34,842 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 64 transitions. [2021-10-28 09:39:34,842 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-28 09:39:34,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:39:34,842 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:39:34,843 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:39:34,843 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:39:34,843 INFO L791 eck$LassoCheckResult]: Stem: 779#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 758#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 756#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 757#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 781#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 780#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 759#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 760#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 776#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 795#L511-1 assume !strspn_#t~short7; 785#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 783#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 772#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 769#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 762#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 764#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 774#L511-6 [2021-10-28 09:39:34,843 INFO L793 eck$LassoCheckResult]: Loop: 774#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 786#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 787#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 773#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 774#L511-6 [2021-10-28 09:39:34,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:34,844 INFO L85 PathProgramCache]: Analyzing trace with hash 60739587, now seen corresponding path program 1 times [2021-10-28 09:39:34,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:34,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244928122] [2021-10-28 09:39:34,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:34,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:34,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:39:34,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:39:34,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244928122] [2021-10-28 09:39:34,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244928122] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:39:34,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:39:34,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:39:34,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252805279] [2021-10-28 09:39:34,882 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:39:34,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:34,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1911846, now seen corresponding path program 2 times [2021-10-28 09:39:34,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:34,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483283685] [2021-10-28 09:39:34,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:34,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:34,888 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:34,893 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:34,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:39:34,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:39:34,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:39:34,993 INFO L87 Difference]: Start difference. First operand 49 states and 64 transitions. cyclomatic complexity: 20 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-10-28 09:39:35,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:39:35,030 INFO L93 Difference]: Finished difference Result 74 states and 91 transitions. [2021-10-28 09:39:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:39:35,031 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 91 transitions. [2021-10-28 09:39:35,032 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-10-28 09:39:35,033 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 71 states and 87 transitions. [2021-10-28 09:39:35,033 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2021-10-28 09:39:35,033 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2021-10-28 09:39:35,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 87 transitions. [2021-10-28 09:39:35,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:39:35,033 INFO L681 BuchiCegarLoop]: Abstraction has 71 states and 87 transitions. [2021-10-28 09:39:35,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 87 transitions. [2021-10-28 09:39:35,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 50. [2021-10-28 09:39:35,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.28) internal successors, (64), 49 states have internal predecessors, (64), 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) [2021-10-28 09:39:35,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2021-10-28 09:39:35,037 INFO L704 BuchiCegarLoop]: Abstraction has 50 states and 64 transitions. [2021-10-28 09:39:35,037 INFO L587 BuchiCegarLoop]: Abstraction has 50 states and 64 transitions. [2021-10-28 09:39:35,038 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 09:39:35,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 64 transitions. [2021-10-28 09:39:35,038 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-28 09:39:35,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:39:35,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:39:35,039 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:39:35,039 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:39:35,039 INFO L791 eck$LassoCheckResult]: Stem: 910#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 890#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 888#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 889#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 912#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 911#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 891#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 892#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 907#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 928#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 920#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 914#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 904#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 901#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 894#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 896#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 884#L511-6 [2021-10-28 09:39:35,039 INFO L793 eck$LassoCheckResult]: Loop: 884#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 885#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 918#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 905#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 884#L511-6 [2021-10-28 09:39:35,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:35,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1714267775, now seen corresponding path program 2 times [2021-10-28 09:39:35,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:35,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390094089] [2021-10-28 09:39:35,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:35,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:35,054 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:35,073 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:35,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:35,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1911846, now seen corresponding path program 3 times [2021-10-28 09:39:35,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:35,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269607056] [2021-10-28 09:39:35,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:35,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:35,078 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:35,082 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:35,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:35,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1311163814, now seen corresponding path program 1 times [2021-10-28 09:39:35,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:35,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045406596] [2021-10-28 09:39:35,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:35,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:35,098 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:35,124 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:36,811 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:39:36,811 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:39:36,811 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:39:36,811 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:39:36,811 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:39:36,811 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:36,811 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:39:36,811 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:39:36,811 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration7_Lasso [2021-10-28 09:39:36,811 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:39:36,811 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:39:36,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:36,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:36,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:36,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:36,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:36,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:37,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:38,087 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:39:38,087 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:39:38,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:38,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:38,090 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:38,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 09:39:38,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:38,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:38,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:38,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:38,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:38,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:38,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:38,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:38,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:38,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:38,161 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:38,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:38,162 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:38,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 09:39:38,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:38,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:38,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:38,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:38,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:38,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:38,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:38,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:38,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:38,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:38,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:38,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:38,198 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:38,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 09:39:38,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:38,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:38,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:38,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:38,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:38,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:38,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:38,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:38,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:38,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-28 09:39:38,227 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:38,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:38,228 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:38,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 09:39:38,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:38,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:38,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:38,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:38,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:38,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:38,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:38,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:38,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:38,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-28 09:39:38,266 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:38,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:38,267 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:38,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 09:39:38,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:38,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:38,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:38,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:38,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:38,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:38,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:38,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:38,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:38,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-28 09:39:38,297 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:38,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:38,299 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:38,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 09:39:38,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:38,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:38,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:38,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:38,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:38,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:38,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:38,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:38,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-28 09:39:38,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:38,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:38,338 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:38,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 09:39:38,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:38,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:38,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:38,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:38,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:38,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:38,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:38,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:38,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-28 09:39:38,393 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:38,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:38,394 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:38,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 09:39:38,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:38,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:38,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:38,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:38,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:38,406 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:38,406 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:38,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:38,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:38,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:38,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:38,430 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:38,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 09:39:38,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:38,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:38,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:38,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:38,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:38,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:38,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:38,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:38,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-28 09:39:38,486 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:38,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:38,486 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:38,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 09:39:38,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:38,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:38,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:38,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:38,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:38,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:38,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:38,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:38,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-28 09:39:38,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:38,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:38,519 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:38,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 09:39:38,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:38,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:38,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:38,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:38,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:38,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:38,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:38,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:38,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-28 09:39:38,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:38,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:38,554 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:38,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 09:39:38,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:38,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:38,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:38,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:38,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:38,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:38,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:38,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:38,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:38,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:38,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:38,586 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:38,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 09:39:38,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:38,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:38,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:38,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:38,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:38,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:38,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:38,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:38,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-10-28 09:39:38,617 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:38,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:38,617 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:38,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 09:39:38,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:38,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:38,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:38,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:38,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:38,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:38,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:38,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:38,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:38,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-28 09:39:38,652 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:38,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:38,653 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:38,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 09:39:38,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:38,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:38,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:38,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:38,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:38,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:38,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:38,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:38,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:38,684 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:38,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:38,685 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:38,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 09:39:38,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:38,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:38,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:38,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:38,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:38,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:38,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:38,716 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:39:38,756 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-10-28 09:39:38,756 INFO L444 ModelExtractionUtils]: 24 out of 49 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-10-28 09:39:38,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:38,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:38,757 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:38,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 09:39:38,758 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:39:38,766 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:39:38,766 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:39:38,766 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strspn_~a~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_3) = -1*ULTIMATE.start_strspn_~a~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_3 Supporting invariants [] [2021-10-28 09:39:38,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-28 09:39:38,883 INFO L297 tatePredicateManager]: 29 out of 30 supporting invariants were superfluous and have been removed [2021-10-28 09:39:38,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:38,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 09:39:38,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:39:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:39,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:39:39,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:39:39,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:39:39,114 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-28 09:39:39,114 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:39,184 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 98 states and 123 transitions. Complement of second has 7 states. [2021-10-28 09:39:39,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:39:39,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:39,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2021-10-28 09:39:39,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 16 letters. Loop has 4 letters. [2021-10-28 09:39:39,186 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:39:39,186 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:39:39,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:39,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 09:39:39,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:39:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:39,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:39:39,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:39:39,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:39:39,405 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-28 09:39:39,405 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:39,469 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 98 states and 123 transitions. Complement of second has 7 states. [2021-10-28 09:39:39,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:39:39,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:39,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2021-10-28 09:39:39,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 16 letters. Loop has 4 letters. [2021-10-28 09:39:39,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:39:39,471 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:39:39,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:39,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 09:39:39,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:39:39,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:39,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:39:39,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:39:39,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:39:39,715 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-28 09:39:39,715 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:39,790 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 87 states and 114 transitions. Complement of second has 6 states. [2021-10-28 09:39:39,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:39:39,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:39,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 56 transitions. [2021-10-28 09:39:39,792 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 16 letters. Loop has 4 letters. [2021-10-28 09:39:39,792 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:39:39,792 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 20 letters. Loop has 4 letters. [2021-10-28 09:39:39,793 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:39:39,793 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 16 letters. Loop has 8 letters. [2021-10-28 09:39:39,793 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:39:39,794 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 114 transitions. [2021-10-28 09:39:39,795 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-28 09:39:39,796 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 55 states and 71 transitions. [2021-10-28 09:39:39,796 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-10-28 09:39:39,796 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-10-28 09:39:39,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 71 transitions. [2021-10-28 09:39:39,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:39:39,797 INFO L681 BuchiCegarLoop]: Abstraction has 55 states and 71 transitions. [2021-10-28 09:39:39,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 71 transitions. [2021-10-28 09:39:39,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 40. [2021-10-28 09:39:39,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.25) internal successors, (50), 39 states have internal predecessors, (50), 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) [2021-10-28 09:39:39,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2021-10-28 09:39:39,800 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-10-28 09:39:39,800 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-10-28 09:39:39,800 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 09:39:39,801 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 50 transitions. [2021-10-28 09:39:39,801 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-28 09:39:39,801 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:39:39,801 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:39:39,802 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:39:39,802 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:39:39,802 INFO L791 eck$LassoCheckResult]: Stem: 1604#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1587#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 1585#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 1586#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 1606#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 1605#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 1588#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 1590#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 1579#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 1581#L511-1 assume !strspn_#t~short7; 1609#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 1607#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 1598#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 1599#L510-5 strspn_#res := strspn_~l~0; 1602#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 1603#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 1577#L523-4 [2021-10-28 09:39:39,802 INFO L793 eck$LassoCheckResult]: Loop: 1577#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 1578#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 1596#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 1593#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 1594#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 1595#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 1577#L523-4 [2021-10-28 09:39:39,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:39,803 INFO L85 PathProgramCache]: Analyzing trace with hash 60685095, now seen corresponding path program 1 times [2021-10-28 09:39:39,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:39,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184706754] [2021-10-28 09:39:39,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:39,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:39,818 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:39,837 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:39,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:39,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1361307093, now seen corresponding path program 2 times [2021-10-28 09:39:39,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:39,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924367185] [2021-10-28 09:39:39,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:39,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:39,843 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:39,848 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:39,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:39,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1593745617, now seen corresponding path program 1 times [2021-10-28 09:39:39,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:39,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721851624] [2021-10-28 09:39:39,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:39,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:39,866 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:39,886 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:41,621 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:39:41,621 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:39:41,622 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:39:41,622 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:39:41,622 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:39:41,622 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:41,622 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:39:41,622 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:39:41,622 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration8_Lasso [2021-10-28 09:39:41,623 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:39:41,623 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:39:41,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:41,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:41,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:41,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:41,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:41,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:41,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:41,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:41,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:41,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:41,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:41,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:42,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:43,157 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:39:43,158 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:39:43,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:43,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:43,160 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:43,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 09:39:43,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:43,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:43,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:43,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:43,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:43,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:43,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:43,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:43,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:43,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-28 09:39:43,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:43,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:43,198 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:43,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 09:39:43,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:43,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:43,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:43,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:43,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:43,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:43,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:43,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:43,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:43,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-28 09:39:43,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:43,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:43,226 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:43,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 09:39:43,227 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 [2021-10-28 09:39:43,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:43,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:43,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:43,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:43,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:43,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:43,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:43,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:43,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-10-28 09:39:43,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:43,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:43,255 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:43,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 09:39:43,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:43,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:43,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:43,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:43,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:43,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:43,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:43,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:43,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:43,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-28 09:39:43,286 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:43,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:43,287 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:43,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 09:39:43,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:43,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:43,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:43,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:43,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:43,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:43,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:43,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:43,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:43,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-28 09:39:43,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:43,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:43,315 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:43,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 09:39:43,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:43,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:43,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:43,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:43,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:43,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:43,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:43,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:43,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:43,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:43,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:43,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:43,344 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:43,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-28 09:39:43,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:43,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:43,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:43,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:43,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:43,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:43,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:43,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:43,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:43,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-28 09:39:43,374 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:43,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:43,380 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:43,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-28 09:39:43,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:43,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:43,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:43,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:43,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:43,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:43,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:43,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:43,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:43,413 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:43,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:43,414 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:43,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-28 09:39:43,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:43,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:43,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:43,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:43,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:43,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:43,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:43,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:43,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:43,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:43,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:43,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:43,443 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:43,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-28 09:39:43,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:43,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:43,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:43,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:43,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:43,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:43,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:43,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:43,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:43,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-28 09:39:43,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:43,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:43,477 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:43,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-28 09:39:43,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:43,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:43,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:43,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:43,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:43,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:43,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:43,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:43,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:43,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-28 09:39:43,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:43,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:43,510 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:43,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-28 09:39:43,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:43,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:43,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:39:43,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:43,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:43,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:43,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:39:43,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:39:43,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:43,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-10-28 09:39:43,538 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:43,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:43,539 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:43,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-28 09:39:43,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:43,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:43,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:43,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:43,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:43,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:43,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:43,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:39:43,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:43,572 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:43,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:43,573 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:43,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-28 09:39:43,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:39:43,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:39:43,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:39:43,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:39:43,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:39:43,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:39:43,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:39:43,628 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:39:43,656 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-28 09:39:43,656 INFO L444 ModelExtractionUtils]: 69 out of 79 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-28 09:39:43,656 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:43,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:43,659 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:39:43,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-28 09:39:43,660 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:39:43,667 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:39:43,668 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:39:43,668 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_strcspn_~s.base)_1, ULTIMATE.start_strcspn_~s.offset) = 1*v_rep(select #length ULTIMATE.start_strcspn_~s.base)_1 - 1*ULTIMATE.start_strcspn_~s.offset Supporting invariants [] [2021-10-28 09:39:43,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:43,808 INFO L297 tatePredicateManager]: 32 out of 32 supporting invariants were superfluous and have been removed [2021-10-28 09:39:43,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:43,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:39:43,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:39:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:43,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:39:43,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:39:43,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:39:43,943 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:39:43,943 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 50 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-10-28 09:39:43,959 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 50 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 48 states and 60 transitions. Complement of second has 4 states. [2021-10-28 09:39:43,960 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 [2021-10-28 09:39:43,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-10-28 09:39:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2021-10-28 09:39:43,961 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 16 letters. Loop has 6 letters. [2021-10-28 09:39:43,963 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:39:43,963 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 22 letters. Loop has 6 letters. [2021-10-28 09:39:43,963 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:39:43,963 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 16 letters. Loop has 12 letters. [2021-10-28 09:39:43,964 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:39:43,964 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 60 transitions. [2021-10-28 09:39:43,964 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:39:43,966 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 46 states and 58 transitions. [2021-10-28 09:39:43,966 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-10-28 09:39:43,968 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-28 09:39:43,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 58 transitions. [2021-10-28 09:39:43,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:39:43,968 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2021-10-28 09:39:43,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 58 transitions. [2021-10-28 09:39:43,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-10-28 09:39:43,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 45 states have internal predecessors, (58), 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) [2021-10-28 09:39:43,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2021-10-28 09:39:43,978 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2021-10-28 09:39:43,978 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2021-10-28 09:39:43,979 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 09:39:43,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 58 transitions. [2021-10-28 09:39:43,979 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:39:43,979 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:39:43,979 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:39:43,980 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:39:43,980 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:39:43,980 INFO L791 eck$LassoCheckResult]: Stem: 1912#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1893#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 1891#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 1892#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 1914#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 1913#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 1894#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 1896#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 1885#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 1887#L511-1 assume !strspn_#t~short7; 1917#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 1915#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 1906#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 1907#L510-5 strspn_#res := strspn_~l~0; 1910#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 1911#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 1881#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 1883#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 1903#L524-4 [2021-10-28 09:39:43,980 INFO L793 eck$LassoCheckResult]: Loop: 1903#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 1899#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 1877#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 1878#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 1903#L524-4 [2021-10-28 09:39:43,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:43,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1811163636, now seen corresponding path program 1 times [2021-10-28 09:39:43,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:43,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242137381] [2021-10-28 09:39:43,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:43,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:44,003 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:44,033 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:44,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:44,033 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 1 times [2021-10-28 09:39:44,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:44,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892731496] [2021-10-28 09:39:44,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:44,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:44,038 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:44,048 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:44,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:44,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1593747347, now seen corresponding path program 1 times [2021-10-28 09:39:44,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:44,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028377308] [2021-10-28 09:39:44,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:44,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:44,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:39:44,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:39:44,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028377308] [2021-10-28 09:39:44,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028377308] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:39:44,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:39:44,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-28 09:39:44,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724399382] [2021-10-28 09:39:44,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:39:44,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 09:39:44,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:39:44,259 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2021-10-28 09:39:44,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:39:44,449 INFO L93 Difference]: Finished difference Result 97 states and 119 transitions. [2021-10-28 09:39:44,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 09:39:44,450 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 97 states and 119 transitions. [2021-10-28 09:39:44,451 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 09:39:44,452 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 97 states to 78 states and 97 transitions. [2021-10-28 09:39:44,452 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-10-28 09:39:44,452 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-10-28 09:39:44,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 97 transitions. [2021-10-28 09:39:44,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:39:44,452 INFO L681 BuchiCegarLoop]: Abstraction has 78 states and 97 transitions. [2021-10-28 09:39:44,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states and 97 transitions. [2021-10-28 09:39:44,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 46. [2021-10-28 09:39:44,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 45 states have internal predecessors, (57), 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) [2021-10-28 09:39:44,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2021-10-28 09:39:44,455 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 57 transitions. [2021-10-28 09:39:44,455 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 57 transitions. [2021-10-28 09:39:44,455 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 09:39:44,455 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 57 transitions. [2021-10-28 09:39:44,455 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:39:44,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:39:44,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:39:44,456 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:39:44,456 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:39:44,456 INFO L791 eck$LassoCheckResult]: Stem: 2081#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2062#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 2060#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 2061#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 2083#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 2082#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 2063#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2064#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 2057#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2059#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 2092#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2085#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 2077#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 2074#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 2066#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2067#L510-1 assume !(0 != strspn_#t~mem10);havoc strspn_#t~mem10; 2076#L510-5 strspn_#res := strspn_~l~0; 2079#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 2080#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 2051#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 2053#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 2072#L524-4 [2021-10-28 09:39:44,456 INFO L793 eck$LassoCheckResult]: Loop: 2072#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2068#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2047#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 2048#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 2072#L524-4 [2021-10-28 09:39:44,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:44,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1960799173, now seen corresponding path program 1 times [2021-10-28 09:39:44,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:44,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563288498] [2021-10-28 09:39:44,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:44,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:44,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-28 09:39:44,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:39:44,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:39:44,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563288498] [2021-10-28 09:39:44,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563288498] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:39:44,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127330082] [2021-10-28 09:39:44,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:44,735 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:39:44,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:39:44,736 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:39:44,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2021-10-28 09:39:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:44,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 50 conjunts are in the unsatisfiable core [2021-10-28 09:39:44,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:39:44,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-10-28 09:39:55,229 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-10-28 09:39:55,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 16 [2021-10-28 09:39:55,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:39:55,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127330082] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:39:55,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:39:55,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 19 [2021-10-28 09:39:55,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55408061] [2021-10-28 09:39:55,236 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:39:55,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:55,236 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 2 times [2021-10-28 09:39:55,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:55,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074770944] [2021-10-28 09:39:55,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:55,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:55,241 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:55,244 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:55,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:39:55,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-28 09:39:55,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=320, Unknown=1, NotChecked=0, Total=380 [2021-10-28 09:39:55,305 INFO L87 Difference]: Start difference. First operand 46 states and 57 transitions. cyclomatic complexity: 15 Second operand has 20 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 20 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:39:55,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:39:55,848 INFO L93 Difference]: Finished difference Result 95 states and 117 transitions. [2021-10-28 09:39:55,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 09:39:55,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 95 states and 117 transitions. [2021-10-28 09:39:55,849 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:39:55,850 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 95 states to 89 states and 111 transitions. [2021-10-28 09:39:55,850 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2021-10-28 09:39:55,850 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-10-28 09:39:55,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 111 transitions. [2021-10-28 09:39:55,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:39:55,850 INFO L681 BuchiCegarLoop]: Abstraction has 89 states and 111 transitions. [2021-10-28 09:39:55,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 111 transitions. [2021-10-28 09:39:55,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 57. [2021-10-28 09:39:55,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.2456140350877194) internal successors, (71), 56 states have internal predecessors, (71), 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) [2021-10-28 09:39:55,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2021-10-28 09:39:55,853 INFO L704 BuchiCegarLoop]: Abstraction has 57 states and 71 transitions. [2021-10-28 09:39:55,853 INFO L587 BuchiCegarLoop]: Abstraction has 57 states and 71 transitions. [2021-10-28 09:39:55,853 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-28 09:39:55,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 71 transitions. [2021-10-28 09:39:55,854 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:39:55,854 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:39:55,854 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:39:55,855 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:39:55,855 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:39:55,855 INFO L791 eck$LassoCheckResult]: Stem: 2326#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2306#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 2304#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 2305#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 2328#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 2327#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 2307#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2309#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 2299#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2300#L511-1 assume !strspn_#t~short7; 2337#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2336#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 2335#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2333#L511-1 assume !strspn_#t~short7; 2331#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2329#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 2320#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 2321#L510-5 strspn_#res := strspn_~l~0; 2324#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 2325#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 2295#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 2297#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 2316#L524-4 [2021-10-28 09:39:55,855 INFO L793 eck$LassoCheckResult]: Loop: 2316#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2312#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2291#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 2292#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 2316#L524-4 [2021-10-28 09:39:55,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:55,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1052721677, now seen corresponding path program 1 times [2021-10-28 09:39:55,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:55,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75658344] [2021-10-28 09:39:55,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:55,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:39:55,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:39:55,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:39:55,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75658344] [2021-10-28 09:39:55,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75658344] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:39:55,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:39:55,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:39:55,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258481554] [2021-10-28 09:39:55,877 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:39:55,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:55,877 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 3 times [2021-10-28 09:39:55,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:55,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231368690] [2021-10-28 09:39:55,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:55,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:55,882 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:55,885 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:55,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:39:55,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:39:55,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:39:55,948 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. cyclomatic complexity: 19 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-10-28 09:39:55,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:39:55,954 INFO L93 Difference]: Finished difference Result 61 states and 72 transitions. [2021-10-28 09:39:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:39:55,954 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 72 transitions. [2021-10-28 09:39:55,955 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:39:55,955 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 58 states and 69 transitions. [2021-10-28 09:39:55,956 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-28 09:39:55,956 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-28 09:39:55,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 69 transitions. [2021-10-28 09:39:55,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:39:55,956 INFO L681 BuchiCegarLoop]: Abstraction has 58 states and 69 transitions. [2021-10-28 09:39:55,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 69 transitions. [2021-10-28 09:39:55,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2021-10-28 09:39:55,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 56 states have internal predecessors, (68), 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) [2021-10-28 09:39:55,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2021-10-28 09:39:55,959 INFO L704 BuchiCegarLoop]: Abstraction has 57 states and 68 transitions. [2021-10-28 09:39:55,959 INFO L587 BuchiCegarLoop]: Abstraction has 57 states and 68 transitions. [2021-10-28 09:39:55,959 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-28 09:39:55,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 68 transitions. [2021-10-28 09:39:55,960 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:39:55,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:39:55,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:39:55,961 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:39:55,961 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:39:55,961 INFO L791 eck$LassoCheckResult]: Stem: 2449#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2430#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 2428#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 2429#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 2451#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 2450#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 2431#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2433#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 2423#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2424#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 2459#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2458#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 2457#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2456#L511-1 assume !strspn_#t~short7; 2454#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2452#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 2443#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 2444#L510-5 strspn_#res := strspn_~l~0; 2447#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 2448#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 2419#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 2421#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 2440#L524-4 [2021-10-28 09:39:55,962 INFO L793 eck$LassoCheckResult]: Loop: 2440#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2436#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2415#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 2416#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 2440#L524-4 [2021-10-28 09:39:55,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:55,962 INFO L85 PathProgramCache]: Analyzing trace with hash -465915663, now seen corresponding path program 1 times [2021-10-28 09:39:55,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:55,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961137968] [2021-10-28 09:39:55,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:55,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:55,975 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:55,992 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:55,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:55,992 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 4 times [2021-10-28 09:39:55,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:55,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717166989] [2021-10-28 09:39:55,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:55,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:55,998 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:56,001 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:56,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:39:56,001 INFO L85 PathProgramCache]: Analyzing trace with hash -187987976, now seen corresponding path program 1 times [2021-10-28 09:39:56,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:39:56,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376755060] [2021-10-28 09:39:56,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:39:56,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:39:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:56,016 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:39:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:39:56,034 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:39:58,531 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:39:58,531 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:39:58,531 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:39:58,531 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:39:58,531 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:39:58,531 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:39:58,531 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:39:58,531 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:39:58,531 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration12_Lasso [2021-10-28 09:39:58,531 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:39:58,531 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:39:58,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:58,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:59,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:59,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:59,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:59,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:59,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:59,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:59,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:59,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:59,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:59,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:59,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:59,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:59,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:59,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:59,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:39:59,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:00,503 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:40:00,503 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:40:00,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:00,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:00,504 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:00,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-28 09:40:00,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:00,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:00,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:00,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:00,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:00,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:00,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:00,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:00,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:00,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-10-28 09:40:00,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:00,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:00,535 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:00,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-28 09:40:00,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:00,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:00,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:00,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:00,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:00,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:00,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:00,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:00,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:00,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-10-28 09:40:00,565 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:00,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:00,566 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:00,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-28 09:40:00,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:00,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:00,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:00,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:00,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:00,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:00,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:00,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:00,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:00,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-10-28 09:40:00,595 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:00,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:00,598 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:00,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-28 09:40:00,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:00,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:00,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:00,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:00,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:00,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:00,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:00,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:00,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:00,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-10-28 09:40:00,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:00,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:00,632 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:00,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-28 09:40:00,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:00,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:00,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:00,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:00,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:00,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:00,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:00,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:00,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:00,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:00,660 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:00,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:00,661 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:00,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-28 09:40:00,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:00,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:00,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:00,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:00,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:00,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:00,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:00,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:00,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:00,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-10-28 09:40:00,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:00,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:00,690 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:00,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-28 09:40:00,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:00,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:00,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:00,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:00,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:00,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:00,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:00,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:00,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:00,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:00,718 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:00,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:00,718 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:00,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-28 09:40:00,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:00,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:00,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:00,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:00,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:00,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:00,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:00,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:00,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:00,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-28 09:40:00,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:00,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:00,748 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:00,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-28 09:40:00,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:00,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:00,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:00,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:00,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:00,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:00,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:00,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:00,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:00,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:00,776 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:00,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:00,776 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:00,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-28 09:40:00,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:00,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:00,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:00,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:00,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:00,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:00,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:00,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:00,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:00,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:00,804 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:00,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:00,805 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:00,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-28 09:40:00,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:00,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:00,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:00,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:00,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:00,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:00,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:00,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:00,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:00,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:00,833 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:00,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:00,833 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:00,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-28 09:40:00,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:00,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:00,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:00,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:00,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:00,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:00,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:00,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:00,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:00,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:00,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:00,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:00,862 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:00,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-28 09:40:00,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:00,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:00,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:00,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:00,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:00,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:00,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:00,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:00,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:00,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-10-28 09:40:00,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:00,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:00,893 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:00,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-28 09:40:00,895 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 [2021-10-28 09:40:00,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:00,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:00,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:00,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:00,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:00,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:00,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:00,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:00,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-10-28 09:40:00,922 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:00,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:00,922 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:00,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-28 09:40:00,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:00,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:00,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:00,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:00,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:00,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:00,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:00,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:00,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:00,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-10-28 09:40:00,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:00,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:00,952 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:00,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-28 09:40:00,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:00,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:00,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:00,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:00,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:00,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:00,962 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:00,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:00,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-10-28 09:40:00,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:00,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:00,987 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:00,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-28 09:40:00,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:00,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:00,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:00,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:00,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:00,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:00,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:00,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:01,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-10-28 09:40:01,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:01,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:01,018 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:01,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-28 09:40:01,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:01,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:01,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:01,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:01,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:01,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:01,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:01,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:01,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:01,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:01,046 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:01,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:01,047 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:01,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-28 09:40:01,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:01,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:01,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:01,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:01,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:01,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:01,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:01,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:01,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:01,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-10-28 09:40:01,074 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:01,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:01,075 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:01,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-28 09:40:01,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:01,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:01,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:01,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:01,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:01,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:01,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:01,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:01,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:01,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-10-28 09:40:01,104 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:01,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:01,105 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:01,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-28 09:40:01,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:01,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:01,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:01,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:01,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:01,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:01,113 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:01,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:01,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:01,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:01,133 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:01,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:01,134 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:01,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-28 09:40:01,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:01,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:01,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:01,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:01,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:01,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:01,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:01,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:01,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:01,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-10-28 09:40:01,161 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:01,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:01,164 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:01,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-28 09:40:01,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:01,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:01,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:01,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:01,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:01,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:01,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:01,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:01,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:01,196 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:01,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:01,197 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:01,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-28 09:40:01,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:01,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:01,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:01,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:01,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:01,205 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:01,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:01,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:01,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:01,226 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:01,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:01,227 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:01,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-28 09:40:01,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:01,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:01,236 INFO L203 nArgumentSynthesizer]: 6 stem disjuncts [2021-10-28 09:40:01,236 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-10-28 09:40:01,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:01,265 INFO L401 nArgumentSynthesizer]: We have 88 Motzkin's Theorem applications. [2021-10-28 09:40:01,266 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-10-28 09:40:01,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:01,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-10-28 09:40:01,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:01,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:01,354 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:01,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-28 09:40:01,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:01,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:01,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:01,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:01,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:01,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:01,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:01,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:01,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:01,432 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:01,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:01,448 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:01,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:01,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:01,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:01,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:01,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:01,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:01,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:01,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-28 09:40:01,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:01,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:01,502 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:01,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:01,503 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:01,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:01,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:01,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:01,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:01,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:01,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:01,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:01,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-28 09:40:01,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:01,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:01,558 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:01,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:01,559 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:01,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:01,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:01,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:01,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:01,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:01,572 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:01,572 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:01,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-28 09:40:01,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:01,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:01,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:01,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:01,619 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:01,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:01,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:01,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:01,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:01,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:01,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:01,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:01,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-28 09:40:01,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:01,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:01,683 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:01,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:01,684 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:01,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:01,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:01,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:01,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:01,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:01,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:01,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:01,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-28 09:40:01,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:01,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:01,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:01,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:01,748 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:01,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:01,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:01,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:01,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:01,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:01,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:01,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:01,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-28 09:40:01,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:01,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:01,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:01,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:01,804 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:01,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:01,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:01,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:01,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:01,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:01,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-28 09:40:01,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:01,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:01,864 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:40:01,918 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-10-28 09:40:01,918 INFO L444 ModelExtractionUtils]: 28 out of 82 variables were initially zero. Simplification set additionally 50 variables to zero. [2021-10-28 09:40:01,918 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:01,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:01,920 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:01,922 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:40:01,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-28 09:40:01,952 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:40:01,952 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:40:01,952 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_2, ULTIMATE.start_strcspn_~reject.offset) = -1*ULTIMATE.start_strcspn_~i~0 + 1*v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_2 - 1*ULTIMATE.start_strcspn_~reject.offset Supporting invariants [] [2021-10-28 09:40:01,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:02,158 INFO L297 tatePredicateManager]: 40 out of 40 supporting invariants were superfluous and have been removed [2021-10-28 09:40:02,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:02,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:40:02,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:40:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:02,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:40:02,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:40:02,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:40:02,309 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:40:02,309 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 57 states and 68 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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) [2021-10-28 09:40:02,325 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 57 states and 68 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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) Result 84 states and 98 transitions. Complement of second has 5 states. [2021-10-28 09:40:02,325 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 [2021-10-28 09:40:02,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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) [2021-10-28 09:40:02,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2021-10-28 09:40:02,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 22 letters. Loop has 4 letters. [2021-10-28 09:40:02,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:40:02,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 26 letters. Loop has 4 letters. [2021-10-28 09:40:02,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:40:02,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 22 letters. Loop has 8 letters. [2021-10-28 09:40:02,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:40:02,327 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 98 transitions. [2021-10-28 09:40:02,327 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:40:02,328 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 68 states and 80 transitions. [2021-10-28 09:40:02,328 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-28 09:40:02,328 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-28 09:40:02,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 80 transitions. [2021-10-28 09:40:02,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:40:02,329 INFO L681 BuchiCegarLoop]: Abstraction has 68 states and 80 transitions. [2021-10-28 09:40:02,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 80 transitions. [2021-10-28 09:40:02,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 63. [2021-10-28 09:40:02,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.1746031746031746) internal successors, (74), 62 states have internal predecessors, (74), 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) [2021-10-28 09:40:02,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2021-10-28 09:40:02,341 INFO L704 BuchiCegarLoop]: Abstraction has 63 states and 74 transitions. [2021-10-28 09:40:02,341 INFO L587 BuchiCegarLoop]: Abstraction has 63 states and 74 transitions. [2021-10-28 09:40:02,341 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-28 09:40:02,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 74 transitions. [2021-10-28 09:40:02,342 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:40:02,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:40:02,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:40:02,343 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:40:02,344 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:40:02,344 INFO L791 eck$LassoCheckResult]: Stem: 2854#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2831#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 2829#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 2830#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 2857#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 2855#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 2832#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2834#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 2824#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2825#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 2866#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2865#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 2864#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2862#L511-1 assume !strspn_#t~short7; 2860#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2858#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 2844#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 2845#L510-5 strspn_#res := strspn_~l~0; 2852#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 2853#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 2819#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 2820#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 2842#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2875#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 2856#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 2840#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 2821#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 2823#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 2841#L524-4 [2021-10-28 09:40:02,346 INFO L793 eck$LassoCheckResult]: Loop: 2841#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2838#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2815#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 2816#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 2841#L524-4 [2021-10-28 09:40:02,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:02,347 INFO L85 PathProgramCache]: Analyzing trace with hash -269478821, now seen corresponding path program 1 times [2021-10-28 09:40:02,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:02,347 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005350941] [2021-10-28 09:40:02,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:02,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:02,517 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:40:02,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:02,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005350941] [2021-10-28 09:40:02,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005350941] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:40:02,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710548590] [2021-10-28 09:40:02,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:02,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:40:02,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:02,519 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:40:02,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (107)] Waiting until timeout for monitored process [2021-10-28 09:40:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:02,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-28 09:40:02,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:40:02,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-10-28 09:40:02,893 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 09:40:02,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710548590] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:40:02,893 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:40:02,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 17 [2021-10-28 09:40:02,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814077762] [2021-10-28 09:40:02,894 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:40:02,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:02,894 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 5 times [2021-10-28 09:40:02,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:02,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544582333] [2021-10-28 09:40:02,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:02,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:40:02,900 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:40:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:40:02,903 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:40:02,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:02,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-28 09:40:02,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-10-28 09:40:02,973 INFO L87 Difference]: Start difference. First operand 63 states and 74 transitions. cyclomatic complexity: 17 Second operand has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 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) [2021-10-28 09:40:03,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:03,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:03,405 INFO L93 Difference]: Finished difference Result 142 states and 161 transitions. [2021-10-28 09:40:03,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-28 09:40:03,406 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 161 transitions. [2021-10-28 09:40:03,407 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 09:40:03,409 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 140 states and 159 transitions. [2021-10-28 09:40:03,409 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2021-10-28 09:40:03,409 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2021-10-28 09:40:03,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 159 transitions. [2021-10-28 09:40:03,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:40:03,410 INFO L681 BuchiCegarLoop]: Abstraction has 140 states and 159 transitions. [2021-10-28 09:40:03,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 159 transitions. [2021-10-28 09:40:03,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 66. [2021-10-28 09:40:03,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 66 states have (on average 1.1666666666666667) internal successors, (77), 65 states have internal predecessors, (77), 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) [2021-10-28 09:40:03,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 77 transitions. [2021-10-28 09:40:03,413 INFO L704 BuchiCegarLoop]: Abstraction has 66 states and 77 transitions. [2021-10-28 09:40:03,413 INFO L587 BuchiCegarLoop]: Abstraction has 66 states and 77 transitions. [2021-10-28 09:40:03,413 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-28 09:40:03,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states and 77 transitions. [2021-10-28 09:40:03,413 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:40:03,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:40:03,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:40:03,414 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:40:03,415 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:40:03,415 INFO L791 eck$LassoCheckResult]: Stem: 3179#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3161#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 3159#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 3160#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 3182#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 3180#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 3162#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 3164#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 3154#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 3155#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 3192#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 3190#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 3189#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 3188#L511-1 assume !strspn_#t~short7; 3185#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 3183#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 3173#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 3174#L510-5 strspn_#res := strspn_~l~0; 3177#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 3178#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 3149#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 3150#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 3171#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3168#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3147#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 3148#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 3187#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3193#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 3181#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 3169#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 3151#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 3153#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 3170#L524-4 [2021-10-28 09:40:03,415 INFO L793 eck$LassoCheckResult]: Loop: 3170#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3167#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3145#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 3146#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 3170#L524-4 [2021-10-28 09:40:03,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:03,415 INFO L85 PathProgramCache]: Analyzing trace with hash 579815970, now seen corresponding path program 1 times [2021-10-28 09:40:03,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:03,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886754911] [2021-10-28 09:40:03,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:03,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:40:03,429 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:40:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:40:03,448 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:40:03,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:03,448 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 6 times [2021-10-28 09:40:03,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:03,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807161510] [2021-10-28 09:40:03,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:03,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:40:03,453 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:40:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:40:03,456 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:40:03,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:03,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1474175145, now seen corresponding path program 2 times [2021-10-28 09:40:03,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:03,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775573202] [2021-10-28 09:40:03,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:03,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:40:03,470 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:40:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:40:03,490 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:40:06,029 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:40:06,029 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:40:06,029 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:40:06,029 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:40:06,030 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:40:06,030 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:06,030 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:40:06,030 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:40:06,030 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration14_Lasso [2021-10-28 09:40:06,030 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:40:06,030 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:40:06,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:06,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:06,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:06,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:06,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:06,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:06,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:06,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:06,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:06,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:07,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:40:08,258 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:40:08,258 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:40:08,259 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:08,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:08,277 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:08,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:08,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:08,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:08,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:08,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:08,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:08,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:08,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:08,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-28 09:40:08,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:08,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:08,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:08,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:08,353 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:08,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:08,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-28 09:40:08,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:08,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:08,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:08,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:08,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:08,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:08,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:08,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:08,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-10-28 09:40:08,382 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:08,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:08,383 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:08,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-28 09:40:08,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:08,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:08,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:08,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:08,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:08,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:08,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:08,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:08,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-10-28 09:40:08,413 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:08,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:08,414 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:08,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-28 09:40:08,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:08,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:08,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:08,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:08,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:08,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:08,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:08,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:08,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:08,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:08,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:08,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:08,444 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:08,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-28 09:40:08,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:08,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:08,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:08,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:08,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:08,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:08,452 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:08,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:08,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:08,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-10-28 09:40:08,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:08,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:08,473 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:08,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-28 09:40:08,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:08,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:08,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:08,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:08,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:08,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:08,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:08,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:08,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:08,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:08,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:08,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:08,502 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:08,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-10-28 09:40:08,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:08,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:08,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:08,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:08,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:08,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:08,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:08,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:08,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:08,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:08,530 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:08,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:08,531 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:08,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-10-28 09:40:08,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:08,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:08,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:08,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:08,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:08,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:08,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:08,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:08,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:08,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2021-10-28 09:40:08,559 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:08,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:08,560 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:08,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-28 09:40:08,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:08,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:08,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:40:08,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:08,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:08,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:08,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:40:08,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:40:08,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:08,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:08,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:08,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:08,589 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:08,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-28 09:40:08,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:08,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:08,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:08,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:08,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:08,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:08,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:08,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:08,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:08,621 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:08,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:08,621 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:08,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-28 09:40:08,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:08,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:08,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:08,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:08,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:08,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:08,640 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:08,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:08,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2021-10-28 09:40:08,704 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:08,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:08,705 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:08,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:08,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:08,725 INFO L203 nArgumentSynthesizer]: 12 stem disjuncts [2021-10-28 09:40:08,726 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-10-28 09:40:08,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:08,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-10-28 09:40:08,786 INFO L401 nArgumentSynthesizer]: We have 136 Motzkin's Theorem applications. [2021-10-28 09:40:08,786 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-10-28 09:40:08,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:08,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:08,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:08,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:08,953 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:08,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:08,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:08,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:08,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:08,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:08,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:08,965 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:08,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-10-28 09:40:08,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:09,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:09,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:09,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:09,013 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:09,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:09,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:09,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:09,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:09,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:09,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:09,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:09,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-10-28 09:40:09,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:09,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:09,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:09,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:09,088 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:09,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:09,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:09,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:09,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:09,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:09,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:09,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:09,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-10-28 09:40:09,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:09,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:09,146 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:09,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:09,147 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:09,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:09,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:09,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:09,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:09,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:09,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-10-28 09:40:09,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:09,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:09,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:09,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2021-10-28 09:40:09,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:09,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:09,206 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:09,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-10-28 09:40:09,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:09,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:09,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:09,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:09,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:09,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:09,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:09,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:09,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:09,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:09,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:09,237 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:09,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-10-28 09:40:09,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:09,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:09,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:09,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:09,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:09,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:09,247 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:09,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:09,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2021-10-28 09:40:09,268 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:09,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:09,268 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:09,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-10-28 09:40:09,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:09,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:09,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:09,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:09,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:09,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:09,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:09,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:40:09,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2021-10-28 09:40:09,298 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:09,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:09,299 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:09,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-10-28 09:40:09,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:40:09,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:40:09,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:40:09,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:40:09,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:40:09,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:40:09,336 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:40:09,372 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:40:09,439 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-10-28 09:40:09,439 INFO L444 ModelExtractionUtils]: 54 out of 88 variables were initially zero. Simplification set additionally 31 variables to zero. [2021-10-28 09:40:09,440 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:40:09,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:09,442 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:09,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-10-28 09:40:09,448 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:40:09,464 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:40:09,464 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:40:09,464 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, v_rep(select #length ULTIMATE.start_strspn_~a~0.base)_6) = -2*ULTIMATE.start_strcspn_~i~0 + 3*v_rep(select #length ULTIMATE.start_strspn_~a~0.base)_6 Supporting invariants [] [2021-10-28 09:40:09,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:09,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:09,693 INFO L297 tatePredicateManager]: 43 out of 46 supporting invariants were superfluous and have been removed [2021-10-28 09:40:09,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:09,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 47 conjunts are in the unsatisfiable core [2021-10-28 09:40:09,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:40:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:10,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:40:10,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:40:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:40:10,611 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.10 stem predicates 3 loop predicates [2021-10-28 09:40:10,611 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17 Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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) [2021-10-28 09:40:10,911 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 82 states and 95 transitions. Complement of second has 10 states. [2021-10-28 09:40:10,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 8 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-28 09:40:10,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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) [2021-10-28 09:40:10,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 43 transitions. [2021-10-28 09:40:10,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 43 transitions. Stem has 32 letters. Loop has 4 letters. [2021-10-28 09:40:10,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:40:10,915 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:40:10,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:10,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 47 conjunts are in the unsatisfiable core [2021-10-28 09:40:10,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:40:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:11,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:40:11,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:40:11,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:40:11,795 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.10 stem predicates 3 loop predicates [2021-10-28 09:40:11,795 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17 Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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) [2021-10-28 09:40:12,095 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 82 states and 95 transitions. Complement of second has 10 states. [2021-10-28 09:40:12,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 8 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-28 09:40:12,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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) [2021-10-28 09:40:12,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 43 transitions. [2021-10-28 09:40:12,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 43 transitions. Stem has 32 letters. Loop has 4 letters. [2021-10-28 09:40:12,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:40:12,096 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:40:12,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:12,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 47 conjunts are in the unsatisfiable core [2021-10-28 09:40:12,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:40:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:12,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:40:12,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:40:12,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:40:12,944 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.10 stem predicates 3 loop predicates [2021-10-28 09:40:12,944 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17 Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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) [2021-10-28 09:40:13,342 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 134 states and 154 transitions. Complement of second has 17 states. [2021-10-28 09:40:13,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 9 stem states 2 non-accepting loop states 2 accepting loop states [2021-10-28 09:40:13,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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) [2021-10-28 09:40:13,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 85 transitions. [2021-10-28 09:40:13,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 85 transitions. Stem has 32 letters. Loop has 4 letters. [2021-10-28 09:40:13,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:40:13,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 85 transitions. Stem has 36 letters. Loop has 4 letters. [2021-10-28 09:40:13,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:40:13,344 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 85 transitions. Stem has 32 letters. Loop has 8 letters. [2021-10-28 09:40:13,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:40:13,344 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 134 states and 154 transitions. [2021-10-28 09:40:13,345 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 09:40:13,346 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 134 states to 120 states and 137 transitions. [2021-10-28 09:40:13,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2021-10-28 09:40:13,347 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-10-28 09:40:13,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 137 transitions. [2021-10-28 09:40:13,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:40:13,347 INFO L681 BuchiCegarLoop]: Abstraction has 120 states and 137 transitions. [2021-10-28 09:40:13,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 137 transitions. [2021-10-28 09:40:13,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 90. [2021-10-28 09:40:13,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 90 states have (on average 1.1555555555555554) internal successors, (104), 89 states have internal predecessors, (104), 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) [2021-10-28 09:40:13,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2021-10-28 09:40:13,350 INFO L704 BuchiCegarLoop]: Abstraction has 90 states and 104 transitions. [2021-10-28 09:40:13,350 INFO L587 BuchiCegarLoop]: Abstraction has 90 states and 104 transitions. [2021-10-28 09:40:13,351 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-28 09:40:13,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 104 transitions. [2021-10-28 09:40:13,351 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:40:13,351 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:40:13,351 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:40:13,352 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:40:13,352 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:40:13,353 INFO L791 eck$LassoCheckResult]: Stem: 4193#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 4169#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 4167#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 4168#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 4198#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 4194#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 4170#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 4171#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 4220#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 4214#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 4215#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 4201#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 4202#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 4184#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 4173#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 4175#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 4206#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 4219#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 4212#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 4213#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 4187#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 4188#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 4218#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 4216#L510-1 assume !(0 != strspn_#t~mem10);havoc strspn_#t~mem10; 4186#L510-5 strspn_#res := strspn_~l~0; 4191#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 4192#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 4159#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 4160#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 4244#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4241#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4243#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 4242#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 4240#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4238#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 4197#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 4178#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 4179#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 4180#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 4181#L524-4 [2021-10-28 09:40:13,353 INFO L793 eck$LassoCheckResult]: Loop: 4181#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4176#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4155#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 4156#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 4181#L524-4 [2021-10-28 09:40:13,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:13,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1481576100, now seen corresponding path program 1 times [2021-10-28 09:40:13,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:13,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923241639] [2021-10-28 09:40:13,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:13,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:13,563 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 09:40:13,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:13,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923241639] [2021-10-28 09:40:13,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923241639] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:40:13,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950646122] [2021-10-28 09:40:13,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:13,563 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:40:13,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:13,568 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:40:13,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (129)] Waiting until timeout for monitored process [2021-10-28 09:40:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:14,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-28 09:40:14,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:40:14,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-10-28 09:40:42,884 WARN L207 SmtUtils]: Spent 12.03 s on a formula simplification that was a NOOP. DAG size: 19 [2021-10-28 09:40:54,950 WARN L207 SmtUtils]: Spent 12.02 s on a formula simplification that was a NOOP. DAG size: 19 [2021-10-28 09:40:54,970 INFO L354 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2021-10-28 09:40:54,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 10 [2021-10-28 09:40:55,008 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 09:40:55,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950646122] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:40:55,009 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:40:55,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2021-10-28 09:40:55,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407850379] [2021-10-28 09:40:55,010 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:40:55,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:55,010 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 7 times [2021-10-28 09:40:55,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:55,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51888281] [2021-10-28 09:40:55,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:55,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:40:55,017 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:40:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:40:55,019 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:40:55,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:55,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-10-28 09:40:55,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=533, Unknown=3, NotChecked=0, Total=600 [2021-10-28 09:40:55,079 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. cyclomatic complexity: 22 Second operand has 25 states, 25 states have (on average 2.52) internal successors, (63), 25 states have internal predecessors, (63), 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) [2021-10-28 09:41:19,940 WARN L207 SmtUtils]: Spent 24.04 s on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2021-10-28 09:41:38,021 WARN L207 SmtUtils]: Spent 12.03 s on a formula simplification that was a NOOP. DAG size: 28 [2021-10-28 09:41:50,077 WARN L207 SmtUtils]: Spent 12.03 s on a formula simplification that was a NOOP. DAG size: 31 [2021-10-28 09:41:50,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:50,094 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2021-10-28 09:41:50,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-28 09:41:50,094 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 138 states and 159 transitions. [2021-10-28 09:41:50,095 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:41:50,096 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 138 states to 133 states and 153 transitions. [2021-10-28 09:41:50,096 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2021-10-28 09:41:50,096 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2021-10-28 09:41:50,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 133 states and 153 transitions. [2021-10-28 09:41:50,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:41:50,097 INFO L681 BuchiCegarLoop]: Abstraction has 133 states and 153 transitions. [2021-10-28 09:41:50,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states and 153 transitions. [2021-10-28 09:41:50,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 78. [2021-10-28 09:41:50,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.141025641025641) internal successors, (89), 77 states have internal predecessors, (89), 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) [2021-10-28 09:41:50,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2021-10-28 09:41:50,099 INFO L704 BuchiCegarLoop]: Abstraction has 78 states and 89 transitions. [2021-10-28 09:41:50,100 INFO L587 BuchiCegarLoop]: Abstraction has 78 states and 89 transitions. [2021-10-28 09:41:50,100 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-10-28 09:41:50,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 89 transitions. [2021-10-28 09:41:50,100 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:41:50,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:41:50,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:41:50,101 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:50,102 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:41:50,102 INFO L791 eck$LassoCheckResult]: Stem: 4599#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 4577#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 4575#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 4576#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 4605#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 4600#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 4578#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 4579#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 4572#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 4573#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 4640#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 4607#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 4594#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 4591#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 4581#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 4582#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 4570#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 4571#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 4639#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 4638#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 4637#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 4612#L511-1 assume !strspn_#t~short7; 4608#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 4606#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 4592#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 4593#L510-5 strspn_#res := strspn_~l~0; 4597#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 4598#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 4567#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 4568#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 4590#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4636#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4565#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 4566#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 4635#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4616#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 4614#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 4586#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 4587#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 4588#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 4589#L524-4 [2021-10-28 09:41:50,102 INFO L793 eck$LassoCheckResult]: Loop: 4589#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4583#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4563#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 4564#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 4589#L524-4 [2021-10-28 09:41:50,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:50,103 INFO L85 PathProgramCache]: Analyzing trace with hash -760734412, now seen corresponding path program 1 times [2021-10-28 09:41:50,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:50,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472757419] [2021-10-28 09:41:50,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:50,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:41:50,123 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:41:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:41:50,144 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:41:50,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:50,145 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 8 times [2021-10-28 09:41:50,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:50,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663977722] [2021-10-28 09:41:50,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:50,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:41:50,151 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:41:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:41:50,153 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:41:50,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:50,154 INFO L85 PathProgramCache]: Analyzing trace with hash -632087877, now seen corresponding path program 2 times [2021-10-28 09:41:50,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:50,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117480129] [2021-10-28 09:41:50,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:50,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:41:50,171 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:41:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:41:50,194 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:41:53,303 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:41:53,303 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:41:53,303 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:41:53,303 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:41:53,303 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:41:53,303 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:53,303 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:41:53,304 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:41:53,304 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration16_Lasso [2021-10-28 09:41:53,304 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:41:53,304 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:41:53,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:53,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:53,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:53,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:53,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:53,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:53,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:53,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:53,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:53,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:53,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:53,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:53,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:53,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:53,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:53,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:53,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:53,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:53,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:53,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:54,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:54,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:54,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:54,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:54,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:54,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:54,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:54,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:54,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:54,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:54,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:54,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:54,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:54,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:54,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:54,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:54,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:54,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:54,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:41:55,777 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:41:55,777 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:41:55,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:55,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:55,797 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:55,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-10-28 09:41:55,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:55,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:55,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:55,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:55,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:55,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:55,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:55,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:55,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:55,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:55,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:55,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:55,878 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:55,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:55,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:55,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:55,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:55,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:55,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:55,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:55,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:55,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-10-28 09:41:55,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:55,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:55,915 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:55,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:55,916 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:55,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-10-28 09:41:55,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:55,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:55,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:55,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:55,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:55,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:55,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:55,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:55,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:55,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2021-10-28 09:41:55,946 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:55,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:55,947 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:55,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-10-28 09:41:55,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:55,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:55,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:55,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:55,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:55,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:55,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:55,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:55,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:55,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:55,974 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:55,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:55,975 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:55,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-10-28 09:41:55,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:55,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:55,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:55,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:55,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:55,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:55,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:55,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:55,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2021-10-28 09:41:56,003 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,003 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-10-28 09:41:56,004 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 [2021-10-28 09:41:56,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:56,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:56,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:56,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:56,031 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,032 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-10-28 09:41:56,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:56,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:56,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:56,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:56,059 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,060 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-10-28 09:41:56,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:56,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:56,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:56,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:56,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,088 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-10-28 09:41:56,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:56,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:56,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:56,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:56,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,118 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-10-28 09:41:56,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:56,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:56,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:56,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2021-10-28 09:41:56,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,146 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-10-28 09:41:56,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:56,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:56,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:56,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:56,173 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,174 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-10-28 09:41:56,175 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 [2021-10-28 09:41:56,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:56,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:56,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:56,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:56,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,202 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-10-28 09:41:56,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:56,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:56,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:56,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:56,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,231 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-10-28 09:41:56,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:56,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:56,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:56,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2021-10-28 09:41:56,259 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,259 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-10-28 09:41:56,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:56,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:56,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:56,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2021-10-28 09:41:56,288 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,289 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-10-28 09:41:56,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:56,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:56,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:56,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2021-10-28 09:41:56,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,317 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-10-28 09:41:56,318 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 [2021-10-28 09:41:56,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:56,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:56,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:56,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:56,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,345 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-10-28 09:41:56,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:56,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:56,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:56,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2021-10-28 09:41:56,374 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,374 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-10-28 09:41:56,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:41:56,383 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:41:56,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:56,404 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,404 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-10-28 09:41:56,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:41:56,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:41:56,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2021-10-28 09:41:56,434 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,434 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-10-28 09:41:56,435 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 [2021-10-28 09:41:56,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:41:56,444 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:41:56,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:56,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,468 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-10-28 09:41:56,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:41:56,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:41:56,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:56,497 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,498 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-10-28 09:41:56,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:41:56,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:41:56,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:56,527 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,528 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-10-28 09:41:56,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:41:56,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:41:56,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2021-10-28 09:41:56,558 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,559 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-10-28 09:41:56,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:41:56,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:41:56,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2021-10-28 09:41:56,589 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,590 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-10-28 09:41:56,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:41:56,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:41:56,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2021-10-28 09:41:56,621 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,621 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-10-28 09:41:56,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:56,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:56,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:56,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2021-10-28 09:41:56,649 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,650 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-10-28 09:41:56,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:41:56,659 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:41:56,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:56,699 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,699 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-10-28 09:41:56,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,709 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:41:56,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:41:56,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2021-10-28 09:41:56,730 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,731 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2021-10-28 09:41:56,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:41:56,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:41:56,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2021-10-28 09:41:56,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,813 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:41:56,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:41:56,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:41:56,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2021-10-28 09:41:56,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:56,876 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,877 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:41:56,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:41:56,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2021-10-28 09:41:56,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:41:56,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:56,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:56,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:56,941 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:56,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:41:56,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:41:56,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:41:56,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:41:56,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:41:56,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:41:56,965 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:41:56,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2021-10-28 09:41:56,996 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:41:57,076 INFO L443 ModelExtractionUtils]: Simplification made 28 calls to the SMT solver. [2021-10-28 09:41:57,076 INFO L444 ModelExtractionUtils]: 39 out of 73 variables were initially zero. Simplification set additionally 30 variables to zero. [2021-10-28 09:41:57,076 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:41:57,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:57,078 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:57,079 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:41:57,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2021-10-28 09:41:57,097 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 09:41:57,097 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:41:57,097 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_7, ULTIMATE.start_strcspn_~i~0) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_7 - 1*ULTIMATE.start_strcspn_~i~0 Supporting invariants [1*ULTIMATE.start_strspn_~accept.offset >= 0] [2021-10-28 09:41:57,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:57,441 INFO L297 tatePredicateManager]: 59 out of 63 supporting invariants were superfluous and have been removed [2021-10-28 09:41:57,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:57,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-28 09:41:57,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:41:57,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:58,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:41:58,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:41:58,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:41:58,531 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2021-10-28 09:41:58,531 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 89 transitions. cyclomatic complexity: 18 Second operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:58,907 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 89 transitions. cyclomatic complexity: 18. Second operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 148 states and 168 transitions. Complement of second has 15 states. [2021-10-28 09:41:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 10 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 09:41:58,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:58,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 73 transitions. [2021-10-28 09:41:58,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 73 transitions. Stem has 40 letters. Loop has 4 letters. [2021-10-28 09:41:58,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:41:58,908 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:41:58,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:58,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-28 09:41:58,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:41:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:59,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:41:59,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:41:59,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:41:59,912 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 2 loop predicates [2021-10-28 09:41:59,912 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 89 transitions. cyclomatic complexity: 18 Second operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:00,325 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 89 transitions. cyclomatic complexity: 18. Second operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 148 states and 168 transitions. Complement of second has 15 states. [2021-10-28 09:42:00,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 10 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 09:42:00,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:00,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 73 transitions. [2021-10-28 09:42:00,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 73 transitions. Stem has 40 letters. Loop has 4 letters. [2021-10-28 09:42:00,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:00,327 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:42:00,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:00,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-28 09:42:00,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:01,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:42:01,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:01,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:01,152 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2021-10-28 09:42:01,153 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 89 transitions. cyclomatic complexity: 18 Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:01,473 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 89 transitions. cyclomatic complexity: 18. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 190 states and 217 transitions. Complement of second has 14 states. [2021-10-28 09:42:01,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 9 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 09:42:01,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:01,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 97 transitions. [2021-10-28 09:42:01,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 97 transitions. Stem has 40 letters. Loop has 4 letters. [2021-10-28 09:42:01,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:01,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 97 transitions. Stem has 44 letters. Loop has 4 letters. [2021-10-28 09:42:01,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:01,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 97 transitions. Stem has 40 letters. Loop has 8 letters. [2021-10-28 09:42:01,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:01,476 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 217 transitions. [2021-10-28 09:42:01,477 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 09:42:01,479 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 137 states and 154 transitions. [2021-10-28 09:42:01,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2021-10-28 09:42:01,479 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-10-28 09:42:01,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 154 transitions. [2021-10-28 09:42:01,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:42:01,480 INFO L681 BuchiCegarLoop]: Abstraction has 137 states and 154 transitions. [2021-10-28 09:42:01,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 154 transitions. [2021-10-28 09:42:01,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 89. [2021-10-28 09:42:01,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 89 states have (on average 1.1348314606741574) internal successors, (101), 88 states have internal predecessors, (101), 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) [2021-10-28 09:42:01,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 101 transitions. [2021-10-28 09:42:01,483 INFO L704 BuchiCegarLoop]: Abstraction has 89 states and 101 transitions. [2021-10-28 09:42:01,483 INFO L587 BuchiCegarLoop]: Abstraction has 89 states and 101 transitions. [2021-10-28 09:42:01,483 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-10-28 09:42:01,483 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 101 transitions. [2021-10-28 09:42:01,484 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:42:01,484 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:01,484 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:01,485 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:01,485 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:42:01,485 INFO L791 eck$LassoCheckResult]: Stem: 5964#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 5941#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 5939#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 5940#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 5969#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 5965#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 5942#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 5944#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 5934#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 5935#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 5975#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 5976#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 5992#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 5980#L511-1 assume !strspn_#t~short7; 5981#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 5970#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 5971#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 5982#L510-5 strspn_#res := strspn_~l~0; 5983#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 5966#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 5967#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 6009#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 6008#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 6005#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 6007#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 6006#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 6004#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 6003#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 6002#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 6001#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 5933#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 5932#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 6015#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 5948#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 5929#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 5930#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 5979#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 6000#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 5968#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 5949#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 5950#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 5951#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 5952#L524-4 [2021-10-28 09:42:01,486 INFO L793 eck$LassoCheckResult]: Loop: 5952#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 5947#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 5927#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 5928#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 5952#L524-4 [2021-10-28 09:42:01,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:01,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1233200621, now seen corresponding path program 3 times [2021-10-28 09:42:01,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:01,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470411773] [2021-10-28 09:42:01,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:01,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:01,506 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:01,528 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:01,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:01,529 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 9 times [2021-10-28 09:42:01,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:01,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244290315] [2021-10-28 09:42:01,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:01,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:01,537 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:01,540 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:01,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:01,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1219645466, now seen corresponding path program 4 times [2021-10-28 09:42:01,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:01,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302860282] [2021-10-28 09:42:01,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:01,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:01,620 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:01,677 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:05,169 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:42:05,169 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:42:05,169 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:42:05,169 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:42:05,169 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:42:05,169 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:05,169 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:42:05,169 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:42:05,169 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration17_Lasso [2021-10-28 09:42:05,169 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:42:05,170 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:42:05,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:05,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:06,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:06,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:06,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:06,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:06,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:06,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:06,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:06,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:06,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:06,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:06,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:06,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:06,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:06,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:06,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:06,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:06,777 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-10-28 09:42:08,471 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:42:08,471 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:42:08,471 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:08,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:08,484 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:08,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:08,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:08,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:08,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:08,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:08,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:08,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:08,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:08,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2021-10-28 09:42:08,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:08,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2021-10-28 09:42:08,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:08,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:08,542 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:08,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2021-10-28 09:42:08,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:08,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:08,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:08,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:08,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:08,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:08,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:08,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:08,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:08,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:08,571 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:08,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:08,572 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:08,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2021-10-28 09:42:08,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:08,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:08,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:08,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:08,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:08,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:08,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:08,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:08,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:08,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2021-10-28 09:42:08,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:08,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:08,602 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:08,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2021-10-28 09:42:08,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:08,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:08,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:08,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:08,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:08,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:08,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:08,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:08,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:08,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:08,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:08,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:08,631 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:08,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2021-10-28 09:42:08,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:08,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:08,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:08,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:08,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:08,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:08,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:08,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:08,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:08,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2021-10-28 09:42:08,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:08,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:08,660 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:08,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2021-10-28 09:42:08,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:08,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:08,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:08,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:08,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:08,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:08,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:08,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:08,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:08,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Ended with exit code 0 [2021-10-28 09:42:08,688 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:08,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:08,689 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:08,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2021-10-28 09:42:08,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:08,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:08,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:08,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:08,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:08,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:08,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:08,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:08,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:08,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:08,717 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:08,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:08,718 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:08,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2021-10-28 09:42:08,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:08,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:08,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:08,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:08,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:08,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:08,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:08,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:08,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:08,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:08,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:08,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:08,747 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:08,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2021-10-28 09:42:08,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:08,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:08,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:08,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:08,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:08,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:08,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:08,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:08,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:08,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:08,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:08,777 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:08,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2021-10-28 09:42:08,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:08,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:08,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:08,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:08,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:08,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:08,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:08,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:08,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:08,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:08,805 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:08,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:08,806 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:08,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2021-10-28 09:42:08,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:08,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:08,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:08,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:08,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:08,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:08,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:08,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:08,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:08,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:08,834 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:08,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:08,835 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:08,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2021-10-28 09:42:08,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:08,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:08,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:08,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:08,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:08,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:08,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:08,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:08,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:08,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:08,863 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:08,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:08,864 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:08,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2021-10-28 09:42:08,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:08,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:08,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:08,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:08,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:08,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:08,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:08,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:08,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:08,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Ended with exit code 0 [2021-10-28 09:42:08,893 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:08,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:08,893 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:08,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2021-10-28 09:42:08,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:08,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:08,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:08,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:08,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:08,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:08,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:08,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:08,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:08,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Ended with exit code 0 [2021-10-28 09:42:08,930 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:08,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:08,930 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:08,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2021-10-28 09:42:08,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:08,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:08,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:08,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:08,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:08,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:08,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:08,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:08,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:08,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:08,958 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:08,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:08,962 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:08,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2021-10-28 09:42:08,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:08,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:08,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:08,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:08,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:08,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:08,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:08,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:08,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:08,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:08,990 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:08,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:08,991 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:08,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2021-10-28 09:42:08,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:09,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:09,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:09,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:09,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:09,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:09,000 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:09,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:09,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:09,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Ended with exit code 0 [2021-10-28 09:42:09,026 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:09,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:09,027 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:09,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2021-10-28 09:42:09,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:09,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:09,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:09,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:09,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:09,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:09,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:09,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:09,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:09,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Ended with exit code 0 [2021-10-28 09:42:09,055 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:09,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:09,056 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:09,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2021-10-28 09:42:09,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:09,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:09,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:09,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:09,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:09,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:09,064 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:09,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:09,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:09,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Ended with exit code 0 [2021-10-28 09:42:09,084 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:09,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:09,085 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:09,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2021-10-28 09:42:09,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:09,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:09,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:09,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:09,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:09,094 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:09,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:09,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:09,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:09,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:09,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:09,118 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:09,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2021-10-28 09:42:09,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:09,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:09,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:09,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:09,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:09,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:09,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:09,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:09,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:09,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2021-10-28 09:42:09,146 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:09,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:09,147 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:09,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2021-10-28 09:42:09,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:09,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:09,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:09,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:09,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:09,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:09,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:09,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:09,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:09,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:09,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:09,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:09,188 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:09,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:09,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:09,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:09,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:09,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:09,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:09,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:09,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:09,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2021-10-28 09:42:09,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:09,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:09,241 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:09,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:09,242 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:09,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:09,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:09,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:09,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:09,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:09,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:09,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:09,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2021-10-28 09:42:09,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:09,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:09,286 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:09,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:09,287 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:09,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:09,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2021-10-28 09:42:09,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:09,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:09,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:09,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:09,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:09,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:09,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:09,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Ended with exit code 0 [2021-10-28 09:42:09,332 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:09,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:09,333 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:09,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2021-10-28 09:42:09,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:09,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:09,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:09,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:09,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:09,342 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:09,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:09,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:09,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Ended with exit code 0 [2021-10-28 09:42:09,370 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:09,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:09,371 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:09,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2021-10-28 09:42:09,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:09,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:09,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:09,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:09,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:09,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:09,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:09,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:09,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:09,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Ended with exit code 0 [2021-10-28 09:42:09,405 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:09,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:09,407 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:09,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:09,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2021-10-28 09:42:09,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:09,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:09,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:09,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:09,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:09,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:09,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:09,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:09,459 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:09,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:09,460 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:09,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2021-10-28 09:42:09,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:09,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:09,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:09,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:09,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:09,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:09,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:09,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:09,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:09,495 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:09,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:09,496 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:09,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2021-10-28 09:42:09,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:09,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:09,504 INFO L203 nArgumentSynthesizer]: 36 stem disjuncts [2021-10-28 09:42:09,504 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-10-28 09:42:09,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:09,625 INFO L401 nArgumentSynthesizer]: We have 328 Motzkin's Theorem applications. [2021-10-28 09:42:09,625 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-10-28 09:42:09,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:09,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Ended with exit code 0 [2021-10-28 09:42:09,903 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:09,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:09,904 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:09,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2021-10-28 09:42:09,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:09,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:09,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:09,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:09,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:09,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:09,934 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:09,959 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:42:09,984 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-28 09:42:09,984 INFO L444 ModelExtractionUtils]: 73 out of 88 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-10-28 09:42:09,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:09,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:09,985 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:09,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2021-10-28 09:42:09,986 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:42:09,996 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:42:09,996 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:42:09,996 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_5) = -2*ULTIMATE.start_strcspn_~i~0 + 5*v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_5 Supporting invariants [] [2021-10-28 09:42:10,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2021-10-28 09:42:10,201 INFO L297 tatePredicateManager]: 50 out of 51 supporting invariants were superfluous and have been removed [2021-10-28 09:42:10,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:10,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 30 conjunts are in the unsatisfiable core [2021-10-28 09:42:10,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:10,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:42:10,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:10,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:10,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:10,892 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 3 loop predicates [2021-10-28 09:42:10,893 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 89 states and 101 transitions. cyclomatic complexity: 20 Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:11,116 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 89 states and 101 transitions. cyclomatic complexity: 20. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 91 states and 103 transitions. Complement of second has 9 states. [2021-10-28 09:42:11,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 7 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-28 09:42:11,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:11,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 39 transitions. [2021-10-28 09:42:11,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 42 letters. Loop has 4 letters. [2021-10-28 09:42:11,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:11,117 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:42:11,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:11,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 30 conjunts are in the unsatisfiable core [2021-10-28 09:42:11,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:11,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:42:11,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:11,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:11,806 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.9 stem predicates 3 loop predicates [2021-10-28 09:42:11,806 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 89 states and 101 transitions. cyclomatic complexity: 20 Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:12,019 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 89 states and 101 transitions. cyclomatic complexity: 20. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 91 states and 103 transitions. Complement of second has 9 states. [2021-10-28 09:42:12,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 7 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-28 09:42:12,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:12,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 39 transitions. [2021-10-28 09:42:12,020 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 42 letters. Loop has 4 letters. [2021-10-28 09:42:12,020 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:12,020 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:42:12,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:12,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 30 conjunts are in the unsatisfiable core [2021-10-28 09:42:12,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:12,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:42:12,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:12,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:12,687 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.9 stem predicates 3 loop predicates [2021-10-28 09:42:12,687 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 89 states and 101 transitions. cyclomatic complexity: 20 Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:13,004 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 89 states and 101 transitions. cyclomatic complexity: 20. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 142 states and 161 transitions. Complement of second has 18 states. [2021-10-28 09:42:13,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 9 stem states 2 non-accepting loop states 2 accepting loop states [2021-10-28 09:42:13,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:13,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 91 transitions. [2021-10-28 09:42:13,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 91 transitions. Stem has 42 letters. Loop has 4 letters. [2021-10-28 09:42:13,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:13,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 91 transitions. Stem has 46 letters. Loop has 4 letters. [2021-10-28 09:42:13,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:13,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 91 transitions. Stem has 42 letters. Loop has 8 letters. [2021-10-28 09:42:13,006 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:13,006 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 161 transitions. [2021-10-28 09:42:13,007 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 09:42:13,008 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 128 states and 144 transitions. [2021-10-28 09:42:13,008 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2021-10-28 09:42:13,008 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-10-28 09:42:13,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 144 transitions. [2021-10-28 09:42:13,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:42:13,009 INFO L681 BuchiCegarLoop]: Abstraction has 128 states and 144 transitions. [2021-10-28 09:42:13,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 144 transitions. [2021-10-28 09:42:13,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 99. [2021-10-28 09:42:13,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 99 states have (on average 1.1313131313131313) internal successors, (112), 98 states have internal predecessors, (112), 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) [2021-10-28 09:42:13,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2021-10-28 09:42:13,012 INFO L704 BuchiCegarLoop]: Abstraction has 99 states and 112 transitions. [2021-10-28 09:42:13,012 INFO L587 BuchiCegarLoop]: Abstraction has 99 states and 112 transitions. [2021-10-28 09:42:13,012 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-10-28 09:42:13,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 112 transitions. [2021-10-28 09:42:13,013 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:42:13,013 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:13,013 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:13,014 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:13,014 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:42:13,014 INFO L791 eck$LassoCheckResult]: Stem: 7125#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7101#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 7099#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 7100#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 7131#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 7126#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 7102#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 7103#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 7144#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 7143#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 7142#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 7141#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 7140#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 7115#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 7105#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 7106#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 7137#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 7149#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 7148#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 7133#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 7118#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 7119#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 7139#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 7136#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 7095#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 7096#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 7135#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 7120#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 7097#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 7098#L511-1 assume !strspn_#t~short7; 7134#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 7132#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 7116#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 7117#L510-5 strspn_#res := strspn_~l~0; 7123#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 7124#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 7092#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 7093#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 7121#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7122#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7186#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 7185#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 7184#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7182#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 7129#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 7130#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 7153#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 7111#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 7112#L524-4 [2021-10-28 09:42:13,015 INFO L793 eck$LassoCheckResult]: Loop: 7112#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7107#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7088#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 7089#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 7112#L524-4 [2021-10-28 09:42:13,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:13,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1089618362, now seen corresponding path program 3 times [2021-10-28 09:42:13,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:13,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798467719] [2021-10-28 09:42:13,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:13,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:13,046 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:13,071 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:13,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:13,071 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 10 times [2021-10-28 09:42:13,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:13,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608680149] [2021-10-28 09:42:13,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:13,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:13,080 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:13,083 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:13,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:13,083 INFO L85 PathProgramCache]: Analyzing trace with hash -369237299, now seen corresponding path program 4 times [2021-10-28 09:42:13,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:13,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024282262] [2021-10-28 09:42:13,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:13,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:13,106 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:13,132 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:16,691 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:42:16,691 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:42:16,691 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:42:16,691 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:42:16,692 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:42:16,692 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:16,692 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:42:16,692 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:42:16,692 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration18_Lasso [2021-10-28 09:42:16,692 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:42:16,692 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:42:16,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:16,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:17,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:17,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:17,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:17,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:17,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:17,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:17,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:19,245 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:42:19,245 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:42:19,245 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,246 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2021-10-28 09:42:19,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Ended with exit code 0 [2021-10-28 09:42:19,275 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,276 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2021-10-28 09:42:19,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Ended with exit code 0 [2021-10-28 09:42:19,304 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,305 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2021-10-28 09:42:19,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Ended with exit code 0 [2021-10-28 09:42:19,333 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,334 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2021-10-28 09:42:19,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Ended with exit code 0 [2021-10-28 09:42:19,361 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,362 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2021-10-28 09:42:19,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:19,402 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,403 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2021-10-28 09:42:19,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Ended with exit code 0 [2021-10-28 09:42:19,433 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,433 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2021-10-28 09:42:19,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,442 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:19,461 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,462 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2021-10-28 09:42:19,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:19,490 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,490 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2021-10-28 09:42:19,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:19,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,519 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2021-10-28 09:42:19,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Ended with exit code 0 [2021-10-28 09:42:19,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,547 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2021-10-28 09:42:19,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Ended with exit code 0 [2021-10-28 09:42:19,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,585 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2021-10-28 09:42:19,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Ended with exit code 0 [2021-10-28 09:42:19,613 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,613 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2021-10-28 09:42:19,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Ended with exit code 0 [2021-10-28 09:42:19,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,642 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2021-10-28 09:42:19,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Ended with exit code 0 [2021-10-28 09:42:19,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,671 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2021-10-28 09:42:19,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:19,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,701 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2021-10-28 09:42:19,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Ended with exit code 0 [2021-10-28 09:42:19,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,729 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Waiting until timeout for monitored process [2021-10-28 09:42:19,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:19,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:19,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:19,759 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,760 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Waiting until timeout for monitored process [2021-10-28 09:42:19,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:19,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,788 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Waiting until timeout for monitored process [2021-10-28 09:42:19,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Ended with exit code 0 [2021-10-28 09:42:19,816 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,817 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Waiting until timeout for monitored process [2021-10-28 09:42:19,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Ended with exit code 0 [2021-10-28 09:42:19,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,846 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Waiting until timeout for monitored process [2021-10-28 09:42:19,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:19,874 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,875 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Waiting until timeout for monitored process [2021-10-28 09:42:19,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:19,903 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,906 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Waiting until timeout for monitored process [2021-10-28 09:42:19,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Ended with exit code 0 [2021-10-28 09:42:19,936 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,936 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Waiting until timeout for monitored process [2021-10-28 09:42:19,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Ended with exit code 0 [2021-10-28 09:42:19,964 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,965 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Waiting until timeout for monitored process [2021-10-28 09:42:19,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:19,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:19,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:19,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,995 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Waiting until timeout for monitored process [2021-10-28 09:42:19,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:20,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:20,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:20,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:20,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,024 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Waiting until timeout for monitored process [2021-10-28 09:42:20,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:20,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:20,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:20,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Ended with exit code 0 [2021-10-28 09:42:20,052 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,053 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Waiting until timeout for monitored process [2021-10-28 09:42:20,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:20,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:20,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:20,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:20,081 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,082 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Waiting until timeout for monitored process [2021-10-28 09:42:20,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:20,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:20,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:20,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Ended with exit code 0 [2021-10-28 09:42:20,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,110 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Waiting until timeout for monitored process [2021-10-28 09:42:20,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:20,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:20,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:20,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Ended with exit code 0 [2021-10-28 09:42:20,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,138 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Waiting until timeout for monitored process [2021-10-28 09:42:20,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:20,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:20,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:20,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Ended with exit code 0 [2021-10-28 09:42:20,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,166 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Waiting until timeout for monitored process [2021-10-28 09:42:20,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:20,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:20,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Ended with exit code 0 [2021-10-28 09:42:20,196 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,197 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Waiting until timeout for monitored process [2021-10-28 09:42:20,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,208 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:20,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:20,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Ended with exit code 0 [2021-10-28 09:42:20,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,231 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Waiting until timeout for monitored process [2021-10-28 09:42:20,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:20,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:20,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Ended with exit code 0 [2021-10-28 09:42:20,261 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,261 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Waiting until timeout for monitored process [2021-10-28 09:42:20,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:20,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:20,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Ended with exit code 0 [2021-10-28 09:42:20,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,297 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Waiting until timeout for monitored process [2021-10-28 09:42:20,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:20,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:20,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Ended with exit code 0 [2021-10-28 09:42:20,333 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,334 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Waiting until timeout for monitored process [2021-10-28 09:42:20,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:20,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:20,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Ended with exit code 0 [2021-10-28 09:42:20,406 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,407 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Waiting until timeout for monitored process [2021-10-28 09:42:20,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:20,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:20,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Ended with exit code 0 [2021-10-28 09:42:20,438 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,439 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Waiting until timeout for monitored process [2021-10-28 09:42:20,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:20,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:20,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:20,469 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,470 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Waiting until timeout for monitored process [2021-10-28 09:42:20,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,498 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:20,498 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:20,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Ended with exit code 0 [2021-10-28 09:42:20,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,520 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Waiting until timeout for monitored process [2021-10-28 09:42:20,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,543 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:20,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:20,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Ended with exit code 0 [2021-10-28 09:42:20,565 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,566 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Waiting until timeout for monitored process [2021-10-28 09:42:20,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,574 INFO L203 nArgumentSynthesizer]: 12 stem disjuncts [2021-10-28 09:42:20,574 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-10-28 09:42:20,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,653 INFO L401 nArgumentSynthesizer]: We have 136 Motzkin's Theorem applications. [2021-10-28 09:42:20,653 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-10-28 09:42:20,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Ended with exit code 0 [2021-10-28 09:42:20,819 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,820 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Waiting until timeout for monitored process [2021-10-28 09:42:20,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:20,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:20,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:20,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Ended with exit code 0 [2021-10-28 09:42:20,847 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,848 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Waiting until timeout for monitored process [2021-10-28 09:42:20,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:20,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:20,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:20,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Ended with exit code 0 [2021-10-28 09:42:20,876 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,876 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Waiting until timeout for monitored process [2021-10-28 09:42:20,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:20,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:20,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:20,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:20,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:20,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,909 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Waiting until timeout for monitored process [2021-10-28 09:42:20,910 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 [2021-10-28 09:42:20,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:20,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:20,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:20,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:20,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:20,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:20,952 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:42:21,051 INFO L443 ModelExtractionUtils]: Simplification made 48 calls to the SMT solver. [2021-10-28 09:42:21,051 INFO L444 ModelExtractionUtils]: 27 out of 79 variables were initially zero. Simplification set additionally 48 variables to zero. [2021-10-28 09:42:21,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:21,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:21,052 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:21,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Waiting until timeout for monitored process [2021-10-28 09:42:21,053 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:42:21,060 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 09:42:21,060 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:42:21,061 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_6) = -2*ULTIMATE.start_strcspn_~i~0 + 5*v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_6 Supporting invariants [1*ULTIMATE.start_strcspn_#in~s.offset >= 0] [2021-10-28 09:42:21,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Ended with exit code 0 [2021-10-28 09:42:21,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Ended with exit code 0 [2021-10-28 09:42:21,376 INFO L297 tatePredicateManager]: 68 out of 71 supporting invariants were superfluous and have been removed [2021-10-28 09:42:21,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:21,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 41 conjunts are in the unsatisfiable core [2021-10-28 09:42:21,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:22,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:42:22,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:22,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:22,451 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2021-10-28 09:42:22,451 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 99 states and 112 transitions. cyclomatic complexity: 22 Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 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) [2021-10-28 09:42:22,872 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 99 states and 112 transitions. cyclomatic complexity: 22. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 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 156 states and 177 transitions. Complement of second has 16 states. [2021-10-28 09:42:22,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 11 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 09:42:22,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 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) [2021-10-28 09:42:22,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 71 transitions. [2021-10-28 09:42:22,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 71 transitions. Stem has 48 letters. Loop has 4 letters. [2021-10-28 09:42:22,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:22,873 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:42:22,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:22,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 41 conjunts are in the unsatisfiable core [2021-10-28 09:42:22,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:23,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:42:23,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:23,912 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.12 stem predicates 2 loop predicates [2021-10-28 09:42:23,913 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 99 states and 112 transitions. cyclomatic complexity: 22 Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 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) [2021-10-28 09:42:24,344 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 99 states and 112 transitions. cyclomatic complexity: 22. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 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 156 states and 177 transitions. Complement of second has 16 states. [2021-10-28 09:42:24,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 11 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 09:42:24,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 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) [2021-10-28 09:42:24,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 71 transitions. [2021-10-28 09:42:24,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 71 transitions. Stem has 48 letters. Loop has 4 letters. [2021-10-28 09:42:24,345 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:24,345 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:42:24,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:24,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 41 conjunts are in the unsatisfiable core [2021-10-28 09:42:24,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:25,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:42:25,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:25,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:25,410 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2021-10-28 09:42:25,410 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 99 states and 112 transitions. cyclomatic complexity: 22 Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 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) [2021-10-28 09:42:25,875 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 99 states and 112 transitions. cyclomatic complexity: 22. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 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 174 states and 199 transitions. Complement of second has 15 states. [2021-10-28 09:42:25,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 11 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 09:42:25,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 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) [2021-10-28 09:42:25,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 87 transitions. [2021-10-28 09:42:25,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 87 transitions. Stem has 48 letters. Loop has 4 letters. [2021-10-28 09:42:25,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:25,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 87 transitions. Stem has 52 letters. Loop has 4 letters. [2021-10-28 09:42:25,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:25,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 87 transitions. Stem has 48 letters. Loop has 8 letters. [2021-10-28 09:42:25,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:25,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 174 states and 199 transitions. [2021-10-28 09:42:25,879 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:42:25,880 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 174 states to 121 states and 136 transitions. [2021-10-28 09:42:25,880 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-10-28 09:42:25,880 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2021-10-28 09:42:25,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 136 transitions. [2021-10-28 09:42:25,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:42:25,880 INFO L681 BuchiCegarLoop]: Abstraction has 121 states and 136 transitions. [2021-10-28 09:42:25,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 136 transitions. [2021-10-28 09:42:25,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 110. [2021-10-28 09:42:25,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 110 states have (on average 1.1272727272727272) internal successors, (124), 109 states have internal predecessors, (124), 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) [2021-10-28 09:42:25,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 124 transitions. [2021-10-28 09:42:25,883 INFO L704 BuchiCegarLoop]: Abstraction has 110 states and 124 transitions. [2021-10-28 09:42:25,883 INFO L587 BuchiCegarLoop]: Abstraction has 110 states and 124 transitions. [2021-10-28 09:42:25,883 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-10-28 09:42:25,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states and 124 transitions. [2021-10-28 09:42:25,884 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:42:25,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:25,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:25,885 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:25,885 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:42:25,885 INFO L791 eck$LassoCheckResult]: Stem: 8639#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8616#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 8614#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 8615#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 8642#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 8640#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 8617#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 8618#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 8609#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 8610#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 8672#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 8669#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 8666#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 8649#L511-1 assume !strspn_#t~short7; 8646#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 8643#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 8631#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 8632#L510-5 strspn_#res := strspn_~l~0; 8637#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 8638#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 8605#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 8606#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 8710#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8707#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8709#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 8708#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 8706#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8674#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 8675#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 8693#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 8607#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 8608#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 8628#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8635#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8684#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 8683#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 8681#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8682#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 8641#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 8624#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 8625#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 8691#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 8690#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8686#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8688#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 8687#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 8685#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8654#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 8653#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 8652#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 8650#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 8626#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 8627#L524-4 [2021-10-28 09:42:25,886 INFO L793 eck$LassoCheckResult]: Loop: 8627#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8622#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8601#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 8602#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 8627#L524-4 [2021-10-28 09:42:25,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:25,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1456730308, now seen corresponding path program 5 times [2021-10-28 09:42:25,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:25,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848595951] [2021-10-28 09:42:25,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:25,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:25,908 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:25,933 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:25,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:25,933 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 11 times [2021-10-28 09:42:25,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:25,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2414386] [2021-10-28 09:42:25,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:25,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:25,944 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:25,946 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:25,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:25,946 INFO L85 PathProgramCache]: Analyzing trace with hash -162879925, now seen corresponding path program 6 times [2021-10-28 09:42:25,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:25,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225679996] [2021-10-28 09:42:25,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:25,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:26,031 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:26,061 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:29,785 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:42:29,785 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:42:29,785 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:42:29,785 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:42:29,786 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:42:29,786 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:29,786 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:42:29,786 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:42:29,786 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration19_Lasso [2021-10-28 09:42:29,786 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:42:29,786 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:42:29,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:29,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:29,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:29,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:29,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:29,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:29,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:29,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:29,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:29,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:29,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:29,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:29,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:29,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:29,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:29,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:29,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:29,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:29,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:31,619 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-10-28 09:42:40,907 WARN L207 SmtUtils]: Spent 9.23 s on a formula simplification. DAG size of input: 304 DAG size of output: 156 [2021-10-28 09:42:41,265 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:42:41,265 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:42:41,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:41,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:41,288 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:41,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Waiting until timeout for monitored process [2021-10-28 09:42:41,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:41,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:41,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:41,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:41,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:41,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:41,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:41,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:41,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:41,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:41,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:41,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:41,321 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:41,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Waiting until timeout for monitored process [2021-10-28 09:42:41,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:41,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:41,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:41,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:41,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:41,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:41,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:41,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:41,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:41,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:41,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:41,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:41,349 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:41,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Waiting until timeout for monitored process [2021-10-28 09:42:41,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:41,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:41,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:41,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:41,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:41,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:41,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:41,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:41,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:41,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Ended with exit code 0 [2021-10-28 09:42:41,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:41,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:41,378 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:41,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Waiting until timeout for monitored process [2021-10-28 09:42:41,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:41,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:41,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:41,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:41,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:41,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:41,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:41,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:41,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:41,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Ended with exit code 0 [2021-10-28 09:42:41,405 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:41,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:41,406 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:41,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Waiting until timeout for monitored process [2021-10-28 09:42:41,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:41,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:41,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:41,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:41,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:41,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:41,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:41,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:41,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:41,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Ended with exit code 0 [2021-10-28 09:42:41,433 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:41,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:41,434 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:41,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Waiting until timeout for monitored process [2021-10-28 09:42:41,435 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 [2021-10-28 09:42:41,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:41,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:41,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:41,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:41,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:41,442 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:41,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:41,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:41,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Ended with exit code 0 [2021-10-28 09:42:41,461 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:41,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:41,462 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:41,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:41,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Waiting until timeout for monitored process [2021-10-28 09:42:41,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:41,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:41,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:41,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:41,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:41,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:41,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:41,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:41,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Ended with exit code 0 [2021-10-28 09:42:41,490 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:41,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:41,492 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:41,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Waiting until timeout for monitored process [2021-10-28 09:42:41,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:41,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:41,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:41,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:41,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:41,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:41,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:41,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:41,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:41,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Ended with exit code 0 [2021-10-28 09:42:41,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:41,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:41,520 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:41,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Waiting until timeout for monitored process [2021-10-28 09:42:41,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:41,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:41,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:41,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:41,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:41,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:41,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:41,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:41,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:41,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Ended with exit code 0 [2021-10-28 09:42:41,548 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:41,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:41,552 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:41,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Waiting until timeout for monitored process [2021-10-28 09:42:41,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:41,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:41,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:41,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:41,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:41,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:41,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:41,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:41,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:41,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Ended with exit code 0 [2021-10-28 09:42:41,581 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:41,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:41,582 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:41,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Waiting until timeout for monitored process [2021-10-28 09:42:41,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:41,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:41,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:41,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:41,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:41,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:41,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:41,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:41,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:41,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:41,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:41,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:41,616 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:41,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Waiting until timeout for monitored process [2021-10-28 09:42:41,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:41,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:41,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:41,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:41,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:41,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:41,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:41,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:41,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:41,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Ended with exit code 0 [2021-10-28 09:42:41,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:41,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:41,645 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:41,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Waiting until timeout for monitored process [2021-10-28 09:42:41,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:41,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:41,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:41,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:41,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:41,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:41,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:41,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:41,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:41,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Ended with exit code 0 [2021-10-28 09:42:41,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:41,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:41,686 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:41,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Waiting until timeout for monitored process [2021-10-28 09:42:41,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:41,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:41,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:41,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:41,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:41,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:41,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:41,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:41,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:41,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Ended with exit code 0 [2021-10-28 09:42:41,744 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:41,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:41,745 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:41,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:41,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:41,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:41,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:41,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:41,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:41,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:41,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:41,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Waiting until timeout for monitored process [2021-10-28 09:42:41,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:41,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:41,791 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:41,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:41,792 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:41,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:41,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:41,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:41,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:41,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:41,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:41,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:41,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:41,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Waiting until timeout for monitored process [2021-10-28 09:42:41,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:41,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:41,848 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:41,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:41,849 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:41,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:41,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:41,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:41,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:41,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:41,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:41,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:41,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:41,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Waiting until timeout for monitored process [2021-10-28 09:42:41,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:41,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:41,913 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:41,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:41,914 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:41,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:41,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:41,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:41,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:41,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:41,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:41,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:41,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:41,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Waiting until timeout for monitored process [2021-10-28 09:42:41,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:41,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:41,979 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:41,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:41,982 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:41,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:41,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:41,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:41,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:41,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:41,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:41,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:41,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Waiting until timeout for monitored process [2021-10-28 09:42:42,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:42,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Ended with exit code 0 [2021-10-28 09:42:42,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:42,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:42,019 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:42,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Waiting until timeout for monitored process [2021-10-28 09:42:42,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:42,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:42,027 INFO L203 nArgumentSynthesizer]: 108 stem disjuncts [2021-10-28 09:42:42,027 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-10-28 09:42:42,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:42,493 INFO L401 nArgumentSynthesizer]: We have 904 Motzkin's Theorem applications. [2021-10-28 09:42:42,494 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-10-28 09:42:43,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:43,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:43,774 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:43,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:43,774 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:43,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Waiting until timeout for monitored process [2021-10-28 09:42:43,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:43,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:43,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:43,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:43,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:43,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:43,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:43,817 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:42:43,841 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-28 09:42:43,841 INFO L444 ModelExtractionUtils]: 25 out of 79 variables were initially zero. Simplification set additionally 50 variables to zero. [2021-10-28 09:42:43,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:43,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:43,845 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:43,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Waiting until timeout for monitored process [2021-10-28 09:42:43,846 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:42:43,853 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:42:43,853 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:42:43,853 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, ULTIMATE.start_strspn_~accept.offset, v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_7) = -1*ULTIMATE.start_strcspn_~i~0 - 1*ULTIMATE.start_strspn_~accept.offset + 1*v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_7 Supporting invariants [] [2021-10-28 09:42:43,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Ended with exit code 0 [2021-10-28 09:42:44,163 INFO L297 tatePredicateManager]: 76 out of 78 supporting invariants were superfluous and have been removed [2021-10-28 09:42:44,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:44,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-28 09:42:44,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:44,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:45,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:42:45,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:45,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:45,072 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2021-10-28 09:42:45,072 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 124 transitions. cyclomatic complexity: 24 Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 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) [2021-10-28 09:42:45,262 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 124 transitions. cyclomatic complexity: 24. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 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) Result 120 states and 135 transitions. Complement of second has 12 states. [2021-10-28 09:42:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 7 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 09:42:45,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 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) [2021-10-28 09:42:45,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 47 transitions. [2021-10-28 09:42:45,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 47 transitions. Stem has 52 letters. Loop has 4 letters. [2021-10-28 09:42:45,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:45,263 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:42:45,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:45,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-28 09:42:45,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:46,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:42:46,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:46,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:46,191 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.7 stem predicates 2 loop predicates [2021-10-28 09:42:46,191 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 124 transitions. cyclomatic complexity: 24 Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 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) [2021-10-28 09:42:46,371 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 124 transitions. cyclomatic complexity: 24. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 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) Result 120 states and 135 transitions. Complement of second has 12 states. [2021-10-28 09:42:46,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 7 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 09:42:46,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 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) [2021-10-28 09:42:46,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 47 transitions. [2021-10-28 09:42:46,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 47 transitions. Stem has 52 letters. Loop has 4 letters. [2021-10-28 09:42:46,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:46,372 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:42:46,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:46,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-28 09:42:46,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:47,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:42:47,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:47,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:47,379 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2021-10-28 09:42:47,380 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 124 transitions. cyclomatic complexity: 24 Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 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) [2021-10-28 09:42:47,612 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 124 transitions. cyclomatic complexity: 24. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 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) Result 167 states and 190 transitions. Complement of second has 11 states. [2021-10-28 09:42:47,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 7 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 09:42:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 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) [2021-10-28 09:42:47,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 63 transitions. [2021-10-28 09:42:47,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 63 transitions. Stem has 52 letters. Loop has 4 letters. [2021-10-28 09:42:47,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:47,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 63 transitions. Stem has 56 letters. Loop has 4 letters. [2021-10-28 09:42:47,614 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:47,614 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 63 transitions. Stem has 52 letters. Loop has 8 letters. [2021-10-28 09:42:47,614 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:47,614 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 167 states and 190 transitions. [2021-10-28 09:42:47,615 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:42:47,616 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 167 states to 78 states and 87 transitions. [2021-10-28 09:42:47,616 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-28 09:42:47,616 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-28 09:42:47,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 87 transitions. [2021-10-28 09:42:47,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:42:47,616 INFO L681 BuchiCegarLoop]: Abstraction has 78 states and 87 transitions. [2021-10-28 09:42:47,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states and 87 transitions. [2021-10-28 09:42:47,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2021-10-28 09:42:47,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 76 states have (on average 1.118421052631579) internal successors, (85), 75 states have internal predecessors, (85), 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) [2021-10-28 09:42:47,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2021-10-28 09:42:47,618 INFO L704 BuchiCegarLoop]: Abstraction has 76 states and 85 transitions. [2021-10-28 09:42:47,618 INFO L587 BuchiCegarLoop]: Abstraction has 76 states and 85 transitions. [2021-10-28 09:42:47,618 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-10-28 09:42:47,618 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states and 85 transitions. [2021-10-28 09:42:47,619 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:42:47,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:47,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:47,620 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:47,620 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:42:47,620 INFO L791 eck$LassoCheckResult]: Stem: 10095#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10075#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 10073#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 10074#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 10098#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 10096#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 10076#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 10077#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 10070#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 10071#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 10128#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 10100#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 10089#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 10086#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 10078#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 10079#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 10126#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 10125#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 10124#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 10123#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 10122#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 10121#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 10120#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 10107#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 10116#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 10115#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 10114#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 10112#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 10110#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 10108#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 10106#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 10103#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 10068#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 10069#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 10113#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 10111#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 10109#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 10105#L511-1 assume !strspn_#t~short7; 10101#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 10099#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 10087#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 10088#L510-5 strspn_#res := strspn_~l~0; 10093#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 10094#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 10063#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 10064#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 10134#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 10133#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 10061#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 10062#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 10104#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 10131#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 10097#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 10083#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 10065#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 10066#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 10084#L524-4 [2021-10-28 09:42:47,620 INFO L793 eck$LassoCheckResult]: Loop: 10084#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 10080#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 10059#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 10060#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 10084#L524-4 [2021-10-28 09:42:47,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:47,620 INFO L85 PathProgramCache]: Analyzing trace with hash -317575848, now seen corresponding path program 5 times [2021-10-28 09:42:47,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:47,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163456125] [2021-10-28 09:42:47,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:47,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:47,647 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:47,674 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:47,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:47,675 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 12 times [2021-10-28 09:42:47,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:47,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213253088] [2021-10-28 09:42:47,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:47,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:47,688 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:47,690 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:47,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:47,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1825539873, now seen corresponding path program 6 times [2021-10-28 09:42:47,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:47,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499397723] [2021-10-28 09:42:47,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:47,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:47,763 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:47,799 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:51,805 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:42:51,805 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:42:51,805 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:42:51,805 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:42:51,805 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:42:51,805 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:51,805 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:42:51,805 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:42:51,805 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration20_Lasso [2021-10-28 09:42:51,805 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:42:51,805 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:42:51,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:51,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:51,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:51,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:51,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:51,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:53,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:54,670 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:42:54,670 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:42:54,671 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:54,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:54,677 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:54,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Waiting until timeout for monitored process [2021-10-28 09:42:54,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:54,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:54,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:54,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:54,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:54,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:54,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:54,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:54,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:54,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:54,704 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:54,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:54,705 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:54,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Waiting until timeout for monitored process [2021-10-28 09:42:54,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:54,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:54,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:54,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:54,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:54,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:54,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:54,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:54,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:54,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:54,736 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:54,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:54,737 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:54,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Waiting until timeout for monitored process [2021-10-28 09:42:54,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:54,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:54,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:54,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:54,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:54,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:54,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:54,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:54,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Ended with exit code 0 [2021-10-28 09:42:54,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:54,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:54,767 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:54,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Waiting until timeout for monitored process [2021-10-28 09:42:54,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:54,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:54,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:54,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:54,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:54,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:54,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:54,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:54,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:54,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Ended with exit code 0 [2021-10-28 09:42:54,794 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:54,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:54,795 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:54,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Waiting until timeout for monitored process [2021-10-28 09:42:54,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:54,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:54,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:54,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:54,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:54,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:54,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:54,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:54,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:54,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Ended with exit code 0 [2021-10-28 09:42:54,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:54,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:54,825 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:54,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Waiting until timeout for monitored process [2021-10-28 09:42:54,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:54,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:54,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:54,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:54,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:54,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:54,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:54,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:54,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:54,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Ended with exit code 0 [2021-10-28 09:42:54,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:54,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:54,858 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:54,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Waiting until timeout for monitored process [2021-10-28 09:42:54,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:54,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:54,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:54,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:54,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:54,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:54,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:54,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:54,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Ended with exit code 0 [2021-10-28 09:42:54,888 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:54,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:54,888 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:54,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Waiting until timeout for monitored process [2021-10-28 09:42:54,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:54,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:54,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:54,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:54,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:54,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:54,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:54,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:54,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Ended with exit code 0 [2021-10-28 09:42:54,919 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:54,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:54,919 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:54,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Waiting until timeout for monitored process [2021-10-28 09:42:54,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:54,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:54,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:54,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:54,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:54,928 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:54,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:54,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:54,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Ended with exit code 0 [2021-10-28 09:42:54,951 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:54,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:54,951 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:54,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Waiting until timeout for monitored process [2021-10-28 09:42:54,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:54,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:54,960 INFO L203 nArgumentSynthesizer]: 12 stem disjuncts [2021-10-28 09:42:54,960 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-10-28 09:42:54,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:55,047 INFO L401 nArgumentSynthesizer]: We have 136 Motzkin's Theorem applications. [2021-10-28 09:42:55,047 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-10-28 09:42:55,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:55,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Ended with exit code 0 [2021-10-28 09:42:55,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:55,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:55,235 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:55,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Waiting until timeout for monitored process [2021-10-28 09:42:55,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:55,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:55,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:55,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:55,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:55,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:55,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:55,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:55,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Ended with exit code 0 [2021-10-28 09:42:55,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:55,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:55,266 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:55,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Waiting until timeout for monitored process [2021-10-28 09:42:55,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:55,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:55,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:55,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:55,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:55,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:55,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:55,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:55,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:55,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:55,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:55,296 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:55,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Waiting until timeout for monitored process [2021-10-28 09:42:55,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:55,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:55,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:55,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:55,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:55,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:55,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:55,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:55,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:55,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Ended with exit code 0 [2021-10-28 09:42:55,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:55,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:55,325 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:55,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Waiting until timeout for monitored process [2021-10-28 09:42:55,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:55,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:55,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:55,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:55,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:55,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:55,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:55,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:55,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Ended with exit code 0 [2021-10-28 09:42:55,354 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:55,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:55,355 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:55,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Waiting until timeout for monitored process [2021-10-28 09:42:55,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:55,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:55,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:55,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:55,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:55,365 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:55,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:55,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:55,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Ended with exit code 0 [2021-10-28 09:42:55,387 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:55,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:55,389 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:55,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Waiting until timeout for monitored process [2021-10-28 09:42:55,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:55,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:55,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:55,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:55,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:55,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:55,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:55,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:55,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:55,422 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:55,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:55,423 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:55,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Waiting until timeout for monitored process [2021-10-28 09:42:55,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:55,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:55,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:55,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:55,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:55,432 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:55,432 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:55,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:55,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Ended with exit code 0 [2021-10-28 09:42:55,454 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:55,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:55,455 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:55,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Waiting until timeout for monitored process [2021-10-28 09:42:55,456 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 [2021-10-28 09:42:55,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:55,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:55,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:55,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:55,496 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:55,496 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:55,535 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:42:55,610 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2021-10-28 09:42:55,610 INFO L444 ModelExtractionUtils]: 56 out of 85 variables were initially zero. Simplification set additionally 25 variables to zero. [2021-10-28 09:42:55,611 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:55,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:55,615 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:55,617 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:42:55,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Waiting until timeout for monitored process [2021-10-28 09:42:55,648 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:42:55,648 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:42:55,648 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, ULTIMATE.start_strcspn_~reject.offset, v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_8) = -1*ULTIMATE.start_strcspn_~i~0 - 1*ULTIMATE.start_strcspn_~reject.offset + 1*v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_8 Supporting invariants [] [2021-10-28 09:42:55,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:56,215 INFO L297 tatePredicateManager]: 95 out of 95 supporting invariants were superfluous and have been removed [2021-10-28 09:42:56,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:56,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:42:56,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:56,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:42:56,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:56,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:56,450 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:42:56,450 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 76 states and 85 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-10-28 09:42:56,461 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 76 states and 85 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 90 states and 101 transitions. Complement of second has 5 states. [2021-10-28 09:42:56,461 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 [2021-10-28 09:42:56,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-10-28 09:42:56,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2021-10-28 09:42:56,462 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 56 letters. Loop has 4 letters. [2021-10-28 09:42:56,462 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:56,462 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:42:56,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:56,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:42:56,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:56,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:56,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:42:56,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:56,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:56,713 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:42:56,713 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 76 states and 85 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-10-28 09:42:56,736 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 76 states and 85 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 90 states and 101 transitions. Complement of second has 5 states. [2021-10-28 09:42:56,736 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 [2021-10-28 09:42:56,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-10-28 09:42:56,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2021-10-28 09:42:56,737 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 56 letters. Loop has 4 letters. [2021-10-28 09:42:56,737 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:56,737 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:42:56,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:56,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:42:56,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:56,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:42:56,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:56,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:56,969 INFO L152 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 [2021-10-28 09:42:56,969 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 76 states and 85 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-10-28 09:42:56,992 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 76 states and 85 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 93 states and 106 transitions. Complement of second has 4 states. [2021-10-28 09:42:56,993 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 [2021-10-28 09:42:56,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-10-28 09:42:56,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2021-10-28 09:42:56,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 56 letters. Loop has 4 letters. [2021-10-28 09:42:56,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:56,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 60 letters. Loop has 4 letters. [2021-10-28 09:42:56,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:56,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 56 letters. Loop has 8 letters. [2021-10-28 09:42:56,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:56,995 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 106 transitions. [2021-10-28 09:42:56,996 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:42:56,996 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 0 states and 0 transitions. [2021-10-28 09:42:56,996 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:42:56,996 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:42:56,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:42:56,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:42:56,996 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:42:56,997 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:42:56,997 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:42:56,997 INFO L425 BuchiCegarLoop]: ======== Iteration 21============ [2021-10-28 09:42:56,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:42:56,997 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:42:56,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:42:57,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:42:57 BoogieIcfgContainer [2021-10-28 09:42:57,003 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:42:57,003 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:42:57,004 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:42:57,004 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:42:57,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:39:24" (3/4) ... [2021-10-28 09:42:57,007 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:42:57,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:42:57,008 INFO L168 Benchmark]: Toolchain (without parser) took 213309.17 ms. Allocated memory was 107.0 MB in the beginning and 585.1 MB in the end (delta: 478.2 MB). Free memory was 63.7 MB in the beginning and 246.3 MB in the end (delta: -182.6 MB). Peak memory consumption was 294.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:57,009 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 107.0 MB. Free memory is still 81.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:42:57,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.04 ms. Allocated memory is still 107.0 MB. Free memory was 63.5 MB in the beginning and 75.2 MB in the end (delta: -11.6 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:57,009 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.00 ms. Allocated memory is still 107.0 MB. Free memory was 75.2 MB in the beginning and 72.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:57,010 INFO L168 Benchmark]: Boogie Preprocessor took 30.33 ms. Allocated memory is still 107.0 MB. Free memory was 72.9 MB in the beginning and 71.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:57,010 INFO L168 Benchmark]: RCFGBuilder took 541.96 ms. Allocated memory is still 107.0 MB. Free memory was 71.1 MB in the beginning and 56.7 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:57,010 INFO L168 Benchmark]: BuchiAutomizer took 212183.42 ms. Allocated memory was 107.0 MB in the beginning and 585.1 MB in the end (delta: 478.2 MB). Free memory was 56.4 MB in the beginning and 247.3 MB in the end (delta: -190.9 MB). Peak memory consumption was 289.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:57,011 INFO L168 Benchmark]: Witness Printer took 4.11 ms. Allocated memory is still 585.1 MB. Free memory was 247.3 MB in the beginning and 246.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:42:57,012 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 107.0 MB. Free memory is still 81.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 498.04 ms. Allocated memory is still 107.0 MB. Free memory was 63.5 MB in the beginning and 75.2 MB in the end (delta: -11.6 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.00 ms. Allocated memory is still 107.0 MB. Free memory was 75.2 MB in the beginning and 72.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.33 ms. Allocated memory is still 107.0 MB. Free memory was 72.9 MB in the beginning and 71.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 541.96 ms. Allocated memory is still 107.0 MB. Free memory was 71.1 MB in the beginning and 56.7 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 212183.42 ms. Allocated memory was 107.0 MB in the beginning and 585.1 MB in the end (delta: 478.2 MB). Free memory was 56.4 MB in the beginning and 247.3 MB in the end (delta: -190.9 MB). Peak memory consumption was 289.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.11 ms. Allocated memory is still 585.1 MB. Free memory was 247.3 MB in the beginning and 246.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 20 terminating modules (9 trivial, 4 deterministic, 7 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. One deterministic module has affine ranking function -1 * a + unknown-#length-unknown[__builtin_alloca (delim_len)] and consists of 5 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[s] and consists of 3 locations. One deterministic module has affine ranking function -1 * i + -1 * reject + unknown-#length-unknown[reject] and consists of 3 locations. One nondeterministic module has affine ranking function -1 * a + unknown-#length-unknown[__builtin_alloca (delim_len)] and consists of 5 locations. One nondeterministic module has affine ranking function -2 * i + 3 * unknown-#length-unknown[a] and consists of 13 locations. One nondeterministic module has affine ranking function -1 * i + unknown-#length-unknown[__builtin_alloca (delim_len)] and consists of 12 locations. One nondeterministic module has affine ranking function -2 * i + 5 * unknown-#length-unknown[reject] and consists of 13 locations. One nondeterministic module has affine ranking function -2 * i + 5 * unknown-#length-unknown[reject] and consists of 14 locations. One nondeterministic module has affine ranking function -1 * i + unknown-#length-unknown[reject] + -1 * accept and consists of 10 locations. One nondeterministic module has affine ranking function -1 * i + -1 * reject + unknown-#length-unknown[reject] and consists of 3 locations. 9 modules have a trivial ranking function, the largest among these consists of 25 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 212.1s and 21 iterations. TraceHistogramMax:6. Analysis of lassos took 134.3s. Construction of modules took 2.2s. Büchi inclusion checks took 75.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 17. Automata minimization 0.0s AutomataMinimizationTime, 19 MinimizatonAttempts, 391 StatesRemovedByMinimization, 15 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 110 states and ocurred in iteration 18. Nontrivial modules had stage [4, 0, 7, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 927 SDtfs, 3308 SDslu, 2718 SDs, 0 SdLazy, 2964 SolverSat, 524 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU7 SILI1 SILT0 lasso11 LassoPreprocessingBenchmarks: Lassos: inital399 mio100 ax100 hnf99 lsp96 ukn76 mio100 lsp40 div100 bol100 ite100 ukn100 eq197 hnf88 smp96 dnf776 smp77 tf100 neg94 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 1724ms VariablesStem: 8 VariablesLoop: 6 DisjunctsStem: 108 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 904 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:42:57,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (129)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:57,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (107)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:57,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:57,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71733ea0-fd80-4def-9a35-dc737a0bc775/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...