./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0 --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 d2e8c7278f9710711a8ba5cefeb9f745a5377c275c5c72390d2d78403afcf1c7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 16:16:17,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 16:16:17,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 16:16:17,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 16:16:17,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 16:16:17,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 16:16:17,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 16:16:17,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 16:16:17,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 16:16:17,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 16:16:17,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 16:16:17,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 16:16:17,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 16:16:17,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 16:16:17,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 16:16:17,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 16:16:17,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 16:16:17,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 16:16:17,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 16:16:17,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 16:16:17,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 16:16:17,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 16:16:17,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 16:16:17,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 16:16:17,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 16:16:17,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 16:16:17,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 16:16:17,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 16:16:17,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 16:16:17,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 16:16:17,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 16:16:17,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 16:16:17,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 16:16:17,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 16:16:17,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 16:16:17,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 16:16:17,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 16:16:17,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 16:16:17,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 16:16:17,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 16:16:17,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 16:16:17,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-22 16:16:17,611 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 16:16:17,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 16:16:17,612 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 16:16:17,612 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 16:16:17,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 16:16:17,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 16:16:17,613 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 16:16:17,614 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-22 16:16:17,614 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-22 16:16:17,614 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-22 16:16:17,615 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-22 16:16:17,616 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-22 16:16:17,616 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-22 16:16:17,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 16:16:17,616 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 16:16:17,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 16:16:17,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 16:16:17,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-22 16:16:17,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-22 16:16:17,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-22 16:16:17,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 16:16:17,618 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-22 16:16:17,618 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 16:16:17,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-22 16:16:17,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 16:16:17,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 16:16:17,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 16:16:17,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 16:16:17,621 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 16:16:17,622 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-22 16:16:17,623 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_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2e8c7278f9710711a8ba5cefeb9f745a5377c275c5c72390d2d78403afcf1c7 [2021-11-22 16:16:17,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 16:16:17,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 16:16:17,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 16:16:17,941 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 16:16:17,941 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 16:16:17,943 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca.i [2021-11-22 16:16:18,006 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/data/2868158e2/41b21315aade4ba197bece088bf4efa9/FLAGdeabbc791 [2021-11-22 16:16:18,574 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 16:16:18,578 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca.i [2021-11-22 16:16:18,603 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/data/2868158e2/41b21315aade4ba197bece088bf4efa9/FLAGdeabbc791 [2021-11-22 16:16:18,846 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/data/2868158e2/41b21315aade4ba197bece088bf4efa9 [2021-11-22 16:16:18,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 16:16:18,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 16:16:18,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 16:16:18,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 16:16:18,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 16:16:18,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:16:18" (1/1) ... [2021-11-22 16:16:18,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fdcfa83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:18, skipping insertion in model container [2021-11-22 16:16:18,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:16:18" (1/1) ... [2021-11-22 16:16:18,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 16:16:18,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 16:16:19,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:16:19,223 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 16:16:19,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:16:19,313 INFO L208 MainTranslator]: Completed translation [2021-11-22 16:16:19,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19 WrapperNode [2021-11-22 16:16:19,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 16:16:19,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 16:16:19,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 16:16:19,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 16:16:19,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,382 INFO L137 Inliner]: procedures = 110, calls = 67, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 179 [2021-11-22 16:16:19,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 16:16:19,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 16:16:19,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 16:16:19,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 16:16:19,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 16:16:19,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 16:16:19,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 16:16:19,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 16:16:19,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (1/1) ... [2021-11-22 16:16:19,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:19,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:19,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:19,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-22 16:16:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 16:16:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 16:16:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 16:16:19,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 16:16:19,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 16:16:19,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 16:16:19,617 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 16:16:19,619 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 16:16:19,855 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 16:16:19,860 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 16:16:19,861 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 16:16:19,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:16:19 BoogieIcfgContainer [2021-11-22 16:16:19,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 16:16:19,864 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-22 16:16:19,864 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-22 16:16:19,867 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-22 16:16:19,868 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 16:16:19,868 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 04:16:18" (1/3) ... [2021-11-22 16:16:19,870 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c6cd6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 04:16:19, skipping insertion in model container [2021-11-22 16:16:19,870 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 16:16:19,870 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:19" (2/3) ... [2021-11-22 16:16:19,871 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c6cd6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 04:16:19, skipping insertion in model container [2021-11-22 16:16:19,871 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 16:16:19,871 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:16:19" (3/3) ... [2021-11-22 16:16:19,872 INFO L388 chiAutomizerObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop-alloca.i [2021-11-22 16:16:19,919 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-22 16:16:19,919 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-22 16:16:19,920 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-22 16:16:19,920 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-22 16:16:19,920 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-22 16:16:19,920 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-22 16:16:19,920 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-22 16:16:19,920 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-22 16:16:19,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 25 states have (on average 1.48) internal successors, (37), 25 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) [2021-11-22 16:16:19,956 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:19,956 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:16:19,956 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:16:19,963 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:19,963 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 16:16:19,963 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-22 16:16:19,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 25 states have (on average 1.48) internal successors, (37), 25 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) [2021-11-22 16:16:19,968 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:19,968 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:16:19,968 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:16:19,970 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:19,970 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 16:16:19,978 INFO L791 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 10#L553true assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call write~int(-1, main_~x~0#1.base, main_~x~0#1.offset, 4); 4#L553-2true call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 23#L558true assume !(main_#t~mem8#1 > 0);havoc main_#t~mem8#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post12#1 := main_#t~mem11#1;call write~int(main_#t~post12#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~post12#1; 19#L558-2true call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 24#L563true assume !(main_#t~mem13#1 > 0);havoc main_#t~mem13#1;call main_#t~mem16#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post17#1 := main_#t~mem16#1;call write~int(main_#t~post17#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem16#1;havoc main_#t~post17#1; 20#L563-2true call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 27#L568true assume !(main_#t~mem18#1 > 0);havoc main_#t~mem18#1;call main_#t~mem21#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post22#1 := main_#t~mem21#1;call write~int(main_#t~post22#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem21#1;havoc main_#t~post22#1; 26#L568-2true call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 15#L573true assume !(main_#t~mem23#1 > 0);havoc main_#t~mem23#1;call main_#t~mem26#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post27#1 := main_#t~mem26#1;call write~int(main_#t~post27#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem26#1;havoc main_#t~post27#1; 8#L573-2true call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 12#L578true assume !(main_#t~mem28#1 > 0);havoc main_#t~mem28#1;call main_#t~mem31#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post32#1 := main_#t~mem31#1;call write~int(main_#t~post32#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem31#1;havoc main_#t~post32#1; 16#L578-2true call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 21#L583true assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 25#L583-2true call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 18#L588true assume !(main_#t~mem38#1 > 0);havoc main_#t~mem38#1;call main_#t~mem41#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post42#1 := main_#t~mem41#1;call write~int(main_#t~post42#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem41#1;havoc main_#t~post42#1; 7#L588-2true call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 9#L593true assume !(main_#t~mem43#1 > 0);havoc main_#t~mem43#1;call main_#t~mem46#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post47#1 := main_#t~mem46#1;call write~int(main_#t~post47#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem46#1;havoc main_#t~post47#1; 17#L598-4true [2021-11-22 16:16:19,978 INFO L793 eck$LassoCheckResult]: Loop: 17#L598-4true call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 13#L598true assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 22#L598-2true assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 17#L598-4true [2021-11-22 16:16:19,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:19,984 INFO L85 PathProgramCache]: Analyzing trace with hash 187436106, now seen corresponding path program 1 times [2021-11-22 16:16:19,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:19,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965992033] [2021-11-22 16:16:19,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:19,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:20,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:20,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:20,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965992033] [2021-11-22 16:16:20,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965992033] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:20,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:20,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-22 16:16:20,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802548598] [2021-11-22 16:16:20,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:20,523 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 16:16:20,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:20,525 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 1 times [2021-11-22 16:16:20,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:20,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930737166] [2021-11-22 16:16:20,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:20,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:20,564 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:20,608 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:20,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:20,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-22 16:16:20,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-11-22 16:16:20,901 INFO L87 Difference]: Start difference. First operand has 26 states, 25 states have (on average 1.48) internal successors, (37), 25 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) Second operand has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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) [2021-11-22 16:16:21,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:21,371 INFO L93 Difference]: Finished difference Result 86 states and 112 transitions. [2021-11-22 16:16:21,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-22 16:16:21,377 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 86 states and 112 transitions. [2021-11-22 16:16:21,384 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:21,390 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 86 states to 66 states and 92 transitions. [2021-11-22 16:16:21,391 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 66 [2021-11-22 16:16:21,401 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 66 [2021-11-22 16:16:21,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 92 transitions. [2021-11-22 16:16:21,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:16:21,403 INFO L681 BuchiCegarLoop]: Abstraction has 66 states and 92 transitions. [2021-11-22 16:16:21,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 92 transitions. [2021-11-22 16:16:21,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 34. [2021-11-22 16:16:21,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 33 states have internal predecessors, (46), 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) [2021-11-22 16:16:21,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 46 transitions. [2021-11-22 16:16:21,432 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 46 transitions. [2021-11-22 16:16:21,432 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 46 transitions. [2021-11-22 16:16:21,432 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-22 16:16:21,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 46 transitions. [2021-11-22 16:16:21,434 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:21,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:16:21,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:16:21,435 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:21,436 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 16:16:21,436 INFO L791 eck$LassoCheckResult]: Stem: 130#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 131#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 144#L553 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call write~int(1, main_~x~0#1.base, main_~x~0#1.offset, 4); 149#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 153#L558 assume !(main_#t~mem8#1 > 0);havoc main_#t~mem8#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post12#1 := main_#t~mem11#1;call write~int(main_#t~post12#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~post12#1; 142#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 143#L563 assume !(main_#t~mem13#1 > 0);havoc main_#t~mem13#1;call main_#t~mem16#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post17#1 := main_#t~mem16#1;call write~int(main_#t~post17#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem16#1;havoc main_#t~post17#1; 145#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 146#L568 assume !(main_#t~mem18#1 > 0);havoc main_#t~mem18#1;call main_#t~mem21#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post22#1 := main_#t~mem21#1;call write~int(main_#t~post22#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem21#1;havoc main_#t~post22#1; 160#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 132#L573 assume !(main_#t~mem23#1 > 0);havoc main_#t~mem23#1;call main_#t~mem26#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post27#1 := main_#t~mem26#1;call write~int(main_#t~post27#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem26#1;havoc main_#t~post27#1; 133#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 148#L578 assume !(main_#t~mem28#1 > 0);havoc main_#t~mem28#1;call main_#t~mem31#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post32#1 := main_#t~mem31#1;call write~int(main_#t~post32#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem31#1;havoc main_#t~post32#1; 134#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 135#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 151#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 140#L588 assume !(main_#t~mem38#1 > 0);havoc main_#t~mem38#1;call main_#t~mem41#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post42#1 := main_#t~mem41#1;call write~int(main_#t~post42#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem41#1;havoc main_#t~post42#1; 141#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 147#L593 assume !(main_#t~mem43#1 > 0);havoc main_#t~mem43#1;call main_#t~mem46#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post47#1 := main_#t~mem46#1;call write~int(main_#t~post47#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem46#1;havoc main_#t~post47#1; 136#L598-4 [2021-11-22 16:16:21,436 INFO L793 eck$LassoCheckResult]: Loop: 136#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 137#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 152#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 136#L598-4 [2021-11-22 16:16:21,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:21,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1775784008, now seen corresponding path program 1 times [2021-11-22 16:16:21,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:21,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205539569] [2021-11-22 16:16:21,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:21,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:21,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:21,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:21,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205539569] [2021-11-22 16:16:21,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205539569] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:21,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:21,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:16:21,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923814973] [2021-11-22 16:16:21,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:21,522 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 16:16:21,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:21,538 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 2 times [2021-11-22 16:16:21,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:21,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175531175] [2021-11-22 16:16:21,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:21,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:21,562 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:21,598 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:21,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:21,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:16:21,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:16:21,838 INFO L87 Difference]: Start difference. First operand 34 states and 46 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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) [2021-11-22 16:16:21,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:21,901 INFO L93 Difference]: Finished difference Result 34 states and 45 transitions. [2021-11-22 16:16:21,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:16:21,903 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 45 transitions. [2021-11-22 16:16:21,904 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:21,905 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 45 transitions. [2021-11-22 16:16:21,906 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2021-11-22 16:16:21,906 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2021-11-22 16:16:21,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 45 transitions. [2021-11-22 16:16:21,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:16:21,906 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2021-11-22 16:16:21,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 45 transitions. [2021-11-22 16:16:21,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-11-22 16:16:21,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 33 states have internal predecessors, (45), 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) [2021-11-22 16:16:21,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2021-11-22 16:16:21,910 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2021-11-22 16:16:21,910 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2021-11-22 16:16:21,910 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-22 16:16:21,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 45 transitions. [2021-11-22 16:16:21,912 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:21,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:16:21,912 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:16:21,913 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:21,913 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 16:16:21,913 INFO L791 eck$LassoCheckResult]: Stem: 207#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 208#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 222#L553 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call write~int(1, main_~x~0#1.base, main_~x~0#1.offset, 4); 218#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 219#L558 assume main_#t~mem8#1 > 0;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post10#1 := main_#t~mem9#1;call write~int(1 + main_#t~post10#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1;havoc main_#t~post10#1; 240#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 239#L563 assume !(main_#t~mem13#1 > 0);havoc main_#t~mem13#1;call main_#t~mem16#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post17#1 := main_#t~mem16#1;call write~int(main_#t~post17#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem16#1;havoc main_#t~post17#1; 238#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 237#L568 assume !(main_#t~mem18#1 > 0);havoc main_#t~mem18#1;call main_#t~mem21#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post22#1 := main_#t~mem21#1;call write~int(main_#t~post22#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem21#1;havoc main_#t~post22#1; 236#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 235#L573 assume !(main_#t~mem23#1 > 0);havoc main_#t~mem23#1;call main_#t~mem26#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post27#1 := main_#t~mem26#1;call write~int(main_#t~post27#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem26#1;havoc main_#t~post27#1; 214#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 234#L578 assume !(main_#t~mem28#1 > 0);havoc main_#t~mem28#1;call main_#t~mem31#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post32#1 := main_#t~mem31#1;call write~int(main_#t~post32#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem31#1;havoc main_#t~post32#1; 231#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 233#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 228#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 216#L588 assume !(main_#t~mem38#1 > 0);havoc main_#t~mem38#1;call main_#t~mem41#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post42#1 := main_#t~mem41#1;call write~int(main_#t~post42#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem41#1;havoc main_#t~post42#1; 217#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 225#L593 assume !(main_#t~mem43#1 > 0);havoc main_#t~mem43#1;call main_#t~mem46#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post47#1 := main_#t~mem46#1;call write~int(main_#t~post47#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem46#1;havoc main_#t~post47#1; 211#L598-4 [2021-11-22 16:16:21,913 INFO L793 eck$LassoCheckResult]: Loop: 211#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 212#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 229#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 211#L598-4 [2021-11-22 16:16:21,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:21,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1239319610, now seen corresponding path program 1 times [2021-11-22 16:16:21,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:21,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74343370] [2021-11-22 16:16:21,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:21,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:22,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:22,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:22,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74343370] [2021-11-22 16:16:22,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74343370] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:22,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:22,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-22 16:16:22,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735693107] [2021-11-22 16:16:22,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:22,101 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 16:16:22,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:22,102 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 3 times [2021-11-22 16:16:22,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:22,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801129540] [2021-11-22 16:16:22,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:22,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:22,138 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:22,172 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:22,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:22,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-22 16:16:22,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-11-22 16:16:22,408 INFO L87 Difference]: Start difference. First operand 34 states and 45 transitions. cyclomatic complexity: 12 Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 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) [2021-11-22 16:16:22,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:22,562 INFO L93 Difference]: Finished difference Result 47 states and 63 transitions. [2021-11-22 16:16:22,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:16:22,565 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 63 transitions. [2021-11-22 16:16:22,566 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:22,567 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 63 transitions. [2021-11-22 16:16:22,568 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2021-11-22 16:16:22,568 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2021-11-22 16:16:22,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 63 transitions. [2021-11-22 16:16:22,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:16:22,568 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 63 transitions. [2021-11-22 16:16:22,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 63 transitions. [2021-11-22 16:16:22,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 34. [2021-11-22 16:16:22,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 33 states have internal predecessors, (44), 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) [2021-11-22 16:16:22,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2021-11-22 16:16:22,578 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2021-11-22 16:16:22,578 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2021-11-22 16:16:22,578 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-22 16:16:22,578 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 44 transitions. [2021-11-22 16:16:22,579 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:22,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:16:22,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:16:22,583 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:22,586 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 16:16:22,587 INFO L791 eck$LassoCheckResult]: Stem: 302#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 303#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 316#L553 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call write~int(1, main_~x~0#1.base, main_~x~0#1.offset, 4); 310#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 311#L558 assume main_#t~mem8#1 > 0;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post10#1 := main_#t~mem9#1;call write~int(1 + main_#t~post10#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1;havoc main_#t~post10#1; 332#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 330#L563 assume main_#t~mem13#1 > 0;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post15#1 := main_#t~mem14#1;call write~int(1 + main_#t~post15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~post15#1; 317#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 318#L568 assume !(main_#t~mem18#1 > 0);havoc main_#t~mem18#1;call main_#t~mem21#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post22#1 := main_#t~mem21#1;call write~int(main_#t~post22#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem21#1;havoc main_#t~post22#1; 328#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 304#L573 assume !(main_#t~mem23#1 > 0);havoc main_#t~mem23#1;call main_#t~mem26#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post27#1 := main_#t~mem26#1;call write~int(main_#t~post27#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem26#1;havoc main_#t~post27#1; 305#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 320#L578 assume !(main_#t~mem28#1 > 0);havoc main_#t~mem28#1;call main_#t~mem31#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post32#1 := main_#t~mem31#1;call write~int(main_#t~post32#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem31#1;havoc main_#t~post32#1; 326#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 329#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 322#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 312#L588 assume !(main_#t~mem38#1 > 0);havoc main_#t~mem38#1;call main_#t~mem41#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post42#1 := main_#t~mem41#1;call write~int(main_#t~post42#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem41#1;havoc main_#t~post42#1; 313#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 319#L593 assume !(main_#t~mem43#1 > 0);havoc main_#t~mem43#1;call main_#t~mem46#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post47#1 := main_#t~mem46#1;call write~int(main_#t~post47#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem46#1;havoc main_#t~post47#1; 308#L598-4 [2021-11-22 16:16:22,588 INFO L793 eck$LassoCheckResult]: Loop: 308#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 309#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 323#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 308#L598-4 [2021-11-22 16:16:22,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:22,589 INFO L85 PathProgramCache]: Analyzing trace with hash -652513596, now seen corresponding path program 1 times [2021-11-22 16:16:22,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:22,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364350377] [2021-11-22 16:16:22,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:22,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:22,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:22,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:22,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364350377] [2021-11-22 16:16:22,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364350377] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:22,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:22,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-22 16:16:22,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260872443] [2021-11-22 16:16:22,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:22,736 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 16:16:22,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:22,737 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 4 times [2021-11-22 16:16:22,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:22,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882833928] [2021-11-22 16:16:22,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:22,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:22,752 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:22,766 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:22,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:22,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 16:16:22,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-22 16:16:22,980 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. cyclomatic complexity: 11 Second operand has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 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) [2021-11-22 16:16:23,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:23,178 INFO L93 Difference]: Finished difference Result 45 states and 59 transitions. [2021-11-22 16:16:23,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:16:23,180 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 59 transitions. [2021-11-22 16:16:23,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:23,184 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 59 transitions. [2021-11-22 16:16:23,184 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2021-11-22 16:16:23,185 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2021-11-22 16:16:23,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 59 transitions. [2021-11-22 16:16:23,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:16:23,185 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 59 transitions. [2021-11-22 16:16:23,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 59 transitions. [2021-11-22 16:16:23,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2021-11-22 16:16:23,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 33 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) [2021-11-22 16:16:23,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2021-11-22 16:16:23,189 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-11-22 16:16:23,189 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-11-22 16:16:23,189 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-22 16:16:23,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 43 transitions. [2021-11-22 16:16:23,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:23,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:16:23,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:16:23,191 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:23,191 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 16:16:23,191 INFO L791 eck$LassoCheckResult]: Stem: 393#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 394#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 408#L553 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call write~int(1, main_~x~0#1.base, main_~x~0#1.offset, 4); 402#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 403#L558 assume main_#t~mem8#1 > 0;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post10#1 := main_#t~mem9#1;call write~int(1 + main_#t~post10#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1;havoc main_#t~post10#1; 416#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 418#L563 assume main_#t~mem13#1 > 0;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post15#1 := main_#t~mem14#1;call write~int(1 + main_#t~post15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~post15#1; 409#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 410#L568 assume main_#t~mem18#1 > 0;havoc main_#t~mem18#1;call main_#t~mem19#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post20#1 := main_#t~mem19#1;call write~int(1 + main_#t~post20#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem19#1;havoc main_#t~post20#1; 424#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 423#L573 assume !(main_#t~mem23#1 > 0);havoc main_#t~mem23#1;call main_#t~mem26#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post27#1 := main_#t~mem26#1;call write~int(main_#t~post27#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem26#1;havoc main_#t~post27#1; 398#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 422#L578 assume !(main_#t~mem28#1 > 0);havoc main_#t~mem28#1;call main_#t~mem31#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post32#1 := main_#t~mem31#1;call write~int(main_#t~post32#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem31#1;havoc main_#t~post32#1; 417#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 421#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 415#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 404#L588 assume !(main_#t~mem38#1 > 0);havoc main_#t~mem38#1;call main_#t~mem41#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post42#1 := main_#t~mem41#1;call write~int(main_#t~post42#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem41#1;havoc main_#t~post42#1; 405#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 411#L593 assume !(main_#t~mem43#1 > 0);havoc main_#t~mem43#1;call main_#t~mem46#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post47#1 := main_#t~mem46#1;call write~int(main_#t~post47#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem46#1;havoc main_#t~post47#1; 395#L598-4 [2021-11-22 16:16:23,196 INFO L793 eck$LassoCheckResult]: Loop: 395#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 396#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 414#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 395#L598-4 [2021-11-22 16:16:23,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:23,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1353578174, now seen corresponding path program 1 times [2021-11-22 16:16:23,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:23,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723977634] [2021-11-22 16:16:23,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:23,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:23,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:23,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:23,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723977634] [2021-11-22 16:16:23,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723977634] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:23,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:23,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 16:16:23,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272457083] [2021-11-22 16:16:23,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:23,264 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 16:16:23,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:23,265 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 5 times [2021-11-22 16:16:23,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:23,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146765184] [2021-11-22 16:16:23,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:23,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:23,286 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:23,319 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:23,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:23,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 16:16:23,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:16:23,537 INFO L87 Difference]: Start difference. First operand 34 states and 43 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 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) [2021-11-22 16:16:23,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:23,680 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2021-11-22 16:16:23,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:16:23,681 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 58 transitions. [2021-11-22 16:16:23,682 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:23,683 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 58 transitions. [2021-11-22 16:16:23,683 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2021-11-22 16:16:23,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2021-11-22 16:16:23,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 58 transitions. [2021-11-22 16:16:23,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:16:23,684 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 58 transitions. [2021-11-22 16:16:23,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 58 transitions. [2021-11-22 16:16:23,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2021-11-22 16:16:23,686 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) [2021-11-22 16:16:23,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2021-11-22 16:16:23,687 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-11-22 16:16:23,687 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-11-22 16:16:23,687 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-22 16:16:23,687 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2021-11-22 16:16:23,688 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:23,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:16:23,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:16:23,689 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:23,689 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 16:16:23,689 INFO L791 eck$LassoCheckResult]: Stem: 482#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 483#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 498#L553 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call write~int(1, main_~x~0#1.base, main_~x~0#1.offset, 4); 502#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 513#L558 assume main_#t~mem8#1 > 0;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post10#1 := main_#t~mem9#1;call write~int(1 + main_#t~post10#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1;havoc main_#t~post10#1; 512#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 510#L563 assume main_#t~mem13#1 > 0;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post15#1 := main_#t~mem14#1;call write~int(1 + main_#t~post15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~post15#1; 511#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 515#L568 assume main_#t~mem18#1 > 0;havoc main_#t~mem18#1;call main_#t~mem19#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post20#1 := main_#t~mem19#1;call write~int(1 + main_#t~post20#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem19#1;havoc main_#t~post20#1; 514#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 484#L573 assume main_#t~mem23#1 > 0;havoc main_#t~mem23#1;call main_#t~mem24#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post25#1 := main_#t~mem24#1;call write~int(1 + main_#t~post25#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem24#1;havoc main_#t~post25#1; 485#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 509#L578 assume !(main_#t~mem28#1 > 0);havoc main_#t~mem28#1;call main_#t~mem31#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post32#1 := main_#t~mem31#1;call write~int(main_#t~post32#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem31#1;havoc main_#t~post32#1; 505#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 508#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 503#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 490#L588 assume !(main_#t~mem38#1 > 0);havoc main_#t~mem38#1;call main_#t~mem41#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post42#1 := main_#t~mem41#1;call write~int(main_#t~post42#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem41#1;havoc main_#t~post42#1; 491#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 499#L593 assume !(main_#t~mem43#1 > 0);havoc main_#t~mem43#1;call main_#t~mem46#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post47#1 := main_#t~mem46#1;call write~int(main_#t~post47#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem46#1;havoc main_#t~post47#1; 488#L598-4 [2021-11-22 16:16:23,689 INFO L793 eck$LassoCheckResult]: Loop: 488#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 489#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 504#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 488#L598-4 [2021-11-22 16:16:23,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:23,690 INFO L85 PathProgramCache]: Analyzing trace with hash -2033636544, now seen corresponding path program 1 times [2021-11-22 16:16:23,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:23,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195824114] [2021-11-22 16:16:23,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:23,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:23,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:23,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:23,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195824114] [2021-11-22 16:16:23,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195824114] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:23,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:23,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:16:23,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309660663] [2021-11-22 16:16:23,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:23,739 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 16:16:23,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:23,740 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 6 times [2021-11-22 16:16:23,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:23,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757538477] [2021-11-22 16:16:23,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:23,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:23,754 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:23,768 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:23,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:23,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:16:23,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:16:23,956 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. cyclomatic complexity: 9 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) [2021-11-22 16:16:24,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:24,057 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2021-11-22 16:16:24,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:16:24,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 54 transitions. [2021-11-22 16:16:24,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:24,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 54 transitions. [2021-11-22 16:16:24,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2021-11-22 16:16:24,060 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2021-11-22 16:16:24,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 54 transitions. [2021-11-22 16:16:24,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:16:24,061 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 54 transitions. [2021-11-22 16:16:24,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 54 transitions. [2021-11-22 16:16:24,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 34. [2021-11-22 16:16:24,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 33 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) [2021-11-22 16:16:24,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2021-11-22 16:16:24,064 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 41 transitions. [2021-11-22 16:16:24,064 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 41 transitions. [2021-11-22 16:16:24,064 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-22 16:16:24,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 41 transitions. [2021-11-22 16:16:24,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:24,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:16:24,066 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:16:24,066 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:24,066 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 16:16:24,066 INFO L791 eck$LassoCheckResult]: Stem: 567#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 568#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 581#L553 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call write~int(1, main_~x~0#1.base, main_~x~0#1.offset, 4); 587#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 600#L558 assume main_#t~mem8#1 > 0;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post10#1 := main_#t~mem9#1;call write~int(1 + main_#t~post10#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1;havoc main_#t~post10#1; 599#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 598#L563 assume main_#t~mem13#1 > 0;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post15#1 := main_#t~mem14#1;call write~int(1 + main_#t~post15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~post15#1; 582#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 583#L568 assume main_#t~mem18#1 > 0;havoc main_#t~mem18#1;call main_#t~mem19#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post20#1 := main_#t~mem19#1;call write~int(1 + main_#t~post20#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem19#1;havoc main_#t~post20#1; 593#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 569#L573 assume main_#t~mem23#1 > 0;havoc main_#t~mem23#1;call main_#t~mem24#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post25#1 := main_#t~mem24#1;call write~int(1 + main_#t~post25#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem24#1;havoc main_#t~post25#1; 570#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 590#L578 assume main_#t~mem28#1 > 0;havoc main_#t~mem28#1;call main_#t~mem29#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post30#1 := main_#t~mem29#1;call write~int(1 + main_#t~post30#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem29#1;havoc main_#t~post30#1; 591#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 594#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 588#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 577#L588 assume !(main_#t~mem38#1 > 0);havoc main_#t~mem38#1;call main_#t~mem41#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post42#1 := main_#t~mem41#1;call write~int(main_#t~post42#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem41#1;havoc main_#t~post42#1; 578#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 584#L593 assume !(main_#t~mem43#1 > 0);havoc main_#t~mem43#1;call main_#t~mem46#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post47#1 := main_#t~mem46#1;call write~int(main_#t~post47#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem46#1;havoc main_#t~post47#1; 573#L598-4 [2021-11-22 16:16:24,067 INFO L793 eck$LassoCheckResult]: Loop: 573#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 574#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 589#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 573#L598-4 [2021-11-22 16:16:24,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:24,067 INFO L85 PathProgramCache]: Analyzing trace with hash 486323390, now seen corresponding path program 1 times [2021-11-22 16:16:24,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:24,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647049031] [2021-11-22 16:16:24,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:24,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:24,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:24,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:24,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647049031] [2021-11-22 16:16:24,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647049031] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:24,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:24,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-22 16:16:24,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280704887] [2021-11-22 16:16:24,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:24,202 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 16:16:24,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:24,203 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 7 times [2021-11-22 16:16:24,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:24,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781230990] [2021-11-22 16:16:24,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:24,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:24,216 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:24,242 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:24,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:24,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-22 16:16:24,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-11-22 16:16:24,447 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. cyclomatic complexity: 8 Second operand has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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) [2021-11-22 16:16:24,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:24,640 INFO L93 Difference]: Finished difference Result 60 states and 76 transitions. [2021-11-22 16:16:24,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-22 16:16:24,641 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 76 transitions. [2021-11-22 16:16:24,642 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:24,643 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 60 states and 76 transitions. [2021-11-22 16:16:24,644 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 60 [2021-11-22 16:16:24,644 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 60 [2021-11-22 16:16:24,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 76 transitions. [2021-11-22 16:16:24,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:16:24,645 INFO L681 BuchiCegarLoop]: Abstraction has 60 states and 76 transitions. [2021-11-22 16:16:24,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states and 76 transitions. [2021-11-22 16:16:24,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 40. [2021-11-22 16:16:24,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.2) internal successors, (48), 39 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) [2021-11-22 16:16:24,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2021-11-22 16:16:24,649 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2021-11-22 16:16:24,649 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2021-11-22 16:16:24,649 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-22 16:16:24,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 48 transitions. [2021-11-22 16:16:24,650 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:24,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:16:24,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:16:24,651 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:24,651 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 16:16:24,651 INFO L791 eck$LassoCheckResult]: Stem: 676#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 677#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 690#L553 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call write~int(1, main_~x~0#1.base, main_~x~0#1.offset, 4); 695#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 699#L558 assume main_#t~mem8#1 > 0;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post10#1 := main_#t~mem9#1;call write~int(1 + main_#t~post10#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1;havoc main_#t~post10#1; 688#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 689#L563 assume main_#t~mem13#1 > 0;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post15#1 := main_#t~mem14#1;call write~int(1 + main_#t~post15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~post15#1; 691#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 692#L568 assume main_#t~mem18#1 > 0;havoc main_#t~mem18#1;call main_#t~mem19#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post20#1 := main_#t~mem19#1;call write~int(1 + main_#t~post20#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem19#1;havoc main_#t~post20#1; 709#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 682#L573 assume main_#t~mem23#1 > 0;havoc main_#t~mem23#1;call main_#t~mem24#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post25#1 := main_#t~mem24#1;call write~int(1 + main_#t~post25#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem24#1;havoc main_#t~post25#1; 683#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 694#L578 assume main_#t~mem28#1 > 0;havoc main_#t~mem28#1;call main_#t~mem29#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post30#1 := main_#t~mem29#1;call write~int(1 + main_#t~post30#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem29#1;havoc main_#t~post30#1; 678#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 679#L583 assume !(main_#t~mem33#1 > 0);havoc main_#t~mem33#1;call main_#t~mem36#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post37#1 := main_#t~mem36#1;call write~int(main_#t~post37#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem36#1;havoc main_#t~post37#1; 697#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 704#L588 assume !(main_#t~mem38#1 > 0);havoc main_#t~mem38#1;call main_#t~mem41#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post42#1 := main_#t~mem41#1;call write~int(main_#t~post42#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem41#1;havoc main_#t~post42#1; 685#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 693#L593 assume !(main_#t~mem43#1 > 0);havoc main_#t~mem43#1;call main_#t~mem46#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post47#1 := main_#t~mem46#1;call write~int(main_#t~post47#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem46#1;havoc main_#t~post47#1; 680#L598-4 [2021-11-22 16:16:24,651 INFO L793 eck$LassoCheckResult]: Loop: 680#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 681#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 698#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 680#L598-4 [2021-11-22 16:16:24,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:24,652 INFO L85 PathProgramCache]: Analyzing trace with hash 488170432, now seen corresponding path program 1 times [2021-11-22 16:16:24,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:24,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727061723] [2021-11-22 16:16:24,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:24,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:24,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:24,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:24,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727061723] [2021-11-22 16:16:24,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727061723] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:24,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:24,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:16:24,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145686060] [2021-11-22 16:16:24,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:24,697 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 16:16:24,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:24,698 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 8 times [2021-11-22 16:16:24,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:24,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612996402] [2021-11-22 16:16:24,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:24,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:24,710 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:24,722 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:24,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:24,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:16:24,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:16:24,913 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. cyclomatic complexity: 9 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) [2021-11-22 16:16:24,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:24,994 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2021-11-22 16:16:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:16:24,995 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 56 transitions. [2021-11-22 16:16:24,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:24,997 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 56 transitions. [2021-11-22 16:16:24,997 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2021-11-22 16:16:24,997 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2021-11-22 16:16:24,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 56 transitions. [2021-11-22 16:16:24,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:16:24,997 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 56 transitions. [2021-11-22 16:16:24,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 56 transitions. [2021-11-22 16:16:25,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 40. [2021-11-22 16:16:25,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.15) internal successors, (46), 39 states have internal predecessors, (46), 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) [2021-11-22 16:16:25,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2021-11-22 16:16:25,001 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 46 transitions. [2021-11-22 16:16:25,001 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 46 transitions. [2021-11-22 16:16:25,001 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-22 16:16:25,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 46 transitions. [2021-11-22 16:16:25,001 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:25,002 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:16:25,002 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:16:25,002 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:25,002 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 16:16:25,003 INFO L791 eck$LassoCheckResult]: Stem: 773#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 774#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 788#L553 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call write~int(1, main_~x~0#1.base, main_~x~0#1.offset, 4); 793#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 796#L558 assume main_#t~mem8#1 > 0;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post10#1 := main_#t~mem9#1;call write~int(1 + main_#t~post10#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1;havoc main_#t~post10#1; 786#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 787#L563 assume main_#t~mem13#1 > 0;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post15#1 := main_#t~mem14#1;call write~int(1 + main_#t~post15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~post15#1; 800#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 803#L568 assume main_#t~mem18#1 > 0;havoc main_#t~mem18#1;call main_#t~mem19#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post20#1 := main_#t~mem19#1;call write~int(1 + main_#t~post20#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem19#1;havoc main_#t~post20#1; 804#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 811#L573 assume main_#t~mem23#1 > 0;havoc main_#t~mem23#1;call main_#t~mem24#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post25#1 := main_#t~mem24#1;call write~int(1 + main_#t~post25#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem24#1;havoc main_#t~post25#1; 810#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 809#L578 assume main_#t~mem28#1 > 0;havoc main_#t~mem28#1;call main_#t~mem29#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post30#1 := main_#t~mem29#1;call write~int(1 + main_#t~post30#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem29#1;havoc main_#t~post30#1; 806#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 805#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 798#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 784#L588 assume main_#t~mem38#1 > 0;havoc main_#t~mem38#1;call main_#t~mem39#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post40#1 := main_#t~mem39#1;call write~int(1 + main_#t~post40#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem39#1;havoc main_#t~post40#1; 785#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 791#L593 assume !(main_#t~mem43#1 > 0);havoc main_#t~mem43#1;call main_#t~mem46#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post47#1 := main_#t~mem46#1;call write~int(main_#t~post47#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem46#1;havoc main_#t~post47#1; 775#L598-4 [2021-11-22 16:16:25,003 INFO L793 eck$LassoCheckResult]: Loop: 775#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 776#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 794#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 775#L598-4 [2021-11-22 16:16:25,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:25,003 INFO L85 PathProgramCache]: Analyzing trace with hash 486321468, now seen corresponding path program 1 times [2021-11-22 16:16:25,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:25,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347575265] [2021-11-22 16:16:25,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:25,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:25,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:25,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:25,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347575265] [2021-11-22 16:16:25,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347575265] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:25,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:25,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:16:25,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431506602] [2021-11-22 16:16:25,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:25,049 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 16:16:25,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:25,049 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 9 times [2021-11-22 16:16:25,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:25,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405005903] [2021-11-22 16:16:25,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:25,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:25,061 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:25,073 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:25,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:25,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:16:25,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:16:25,275 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. cyclomatic complexity: 7 Second operand has 5 states, 4 states have (on average 4.75) 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) [2021-11-22 16:16:25,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:25,352 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2021-11-22 16:16:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:16:25,353 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 52 transitions. [2021-11-22 16:16:25,354 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:25,354 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 52 transitions. [2021-11-22 16:16:25,355 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2021-11-22 16:16:25,355 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2021-11-22 16:16:25,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 52 transitions. [2021-11-22 16:16:25,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:16:25,355 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 52 transitions. [2021-11-22 16:16:25,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 52 transitions. [2021-11-22 16:16:25,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2021-11-22 16:16:25,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.1428571428571428) internal successors, (48), 41 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) [2021-11-22 16:16:25,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2021-11-22 16:16:25,358 INFO L704 BuchiCegarLoop]: Abstraction has 42 states and 48 transitions. [2021-11-22 16:16:25,358 INFO L587 BuchiCegarLoop]: Abstraction has 42 states and 48 transitions. [2021-11-22 16:16:25,358 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-22 16:16:25,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 48 transitions. [2021-11-22 16:16:25,359 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:25,359 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:16:25,359 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:16:25,360 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:25,360 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 16:16:25,360 INFO L791 eck$LassoCheckResult]: Stem: 866#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 867#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 882#L553 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call write~int(1, main_~x~0#1.base, main_~x~0#1.offset, 4); 876#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 877#L558 assume main_#t~mem8#1 > 0;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post10#1 := main_#t~mem9#1;call write~int(1 + main_#t~post10#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1;havoc main_#t~post10#1; 878#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 879#L563 assume main_#t~mem13#1 > 0;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post15#1 := main_#t~mem14#1;call write~int(1 + main_#t~post15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~post15#1; 901#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 900#L568 assume main_#t~mem18#1 > 0;havoc main_#t~mem18#1;call main_#t~mem19#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post20#1 := main_#t~mem19#1;call write~int(1 + main_#t~post20#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem19#1;havoc main_#t~post20#1; 899#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 868#L573 assume main_#t~mem23#1 > 0;havoc main_#t~mem23#1;call main_#t~mem24#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post25#1 := main_#t~mem24#1;call write~int(1 + main_#t~post25#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem24#1;havoc main_#t~post25#1; 869#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 884#L578 assume main_#t~mem28#1 > 0;havoc main_#t~mem28#1;call main_#t~mem29#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post30#1 := main_#t~mem29#1;call write~int(1 + main_#t~post30#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem29#1;havoc main_#t~post30#1; 889#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 886#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 887#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 874#L588 assume main_#t~mem38#1 > 0;havoc main_#t~mem38#1;call main_#t~mem39#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post40#1 := main_#t~mem39#1;call write~int(1 + main_#t~post40#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem39#1;havoc main_#t~post40#1; 875#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 883#L593 assume main_#t~mem43#1 > 0;havoc main_#t~mem43#1;call main_#t~mem44#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post45#1 := main_#t~mem44#1;call write~int(1 + main_#t~post45#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem44#1;havoc main_#t~post45#1; 872#L598-4 [2021-11-22 16:16:25,360 INFO L793 eck$LassoCheckResult]: Loop: 872#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 873#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 888#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 872#L598-4 [2021-11-22 16:16:25,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:25,361 INFO L85 PathProgramCache]: Analyzing trace with hash 486321466, now seen corresponding path program 1 times [2021-11-22 16:16:25,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:25,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28809529] [2021-11-22 16:16:25,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:25,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:25,379 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:25,405 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:25,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:25,405 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 10 times [2021-11-22 16:16:25,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:25,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388441466] [2021-11-22 16:16:25,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:25,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:25,415 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:25,425 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:25,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:25,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1078171826, now seen corresponding path program 1 times [2021-11-22 16:16:25,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:25,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617651584] [2021-11-22 16:16:25,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:25,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:25,449 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:25,489 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:31,758 WARN L227 SmtUtils]: Spent 6.05s on a formula simplification. DAG size of input: 183 DAG size of output: 159 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-22 16:16:32,205 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 16:16:32,205 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 16:16:32,205 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 16:16:32,206 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 16:16:32,206 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-22 16:16:32,206 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:32,206 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 16:16:32,206 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 16:16:32,206 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-alloca.i_Iteration10_Lasso [2021-11-22 16:16:32,206 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 16:16:32,207 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 16:16:32,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:32,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:33,379 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 16:16:33,384 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-22 16:16:33,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:33,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:33,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:33,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-22 16:16:33,389 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 [2021-11-22 16:16:33,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:33,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:33,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:33,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:33,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:33,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:33,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:33,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:33,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:33,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:33,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:33,431 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:33,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-22 16:16:33,435 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 [2021-11-22 16:16:33,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:33,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:33,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:33,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:33,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:33,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:33,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:33,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:33,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-11-22 16:16:33,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:33,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:33,475 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:33,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:33,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-22 16:16:33,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:33,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:33,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:33,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:33,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:33,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:33,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:33,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:33,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:33,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:33,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:33,529 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:33,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-22 16:16:33,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:33,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:33,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:33,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:33,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:33,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:33,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:33,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:33,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:33,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:33,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:33,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:33,567 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:33,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-22 16:16:33,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:33,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:33,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:33,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:33,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:33,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:33,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:33,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:33,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:33,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:33,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:33,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:33,638 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:33,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-22 16:16:33,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:33,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:33,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:33,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:33,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:33,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:33,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:33,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:33,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:33,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:33,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:33,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:33,695 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:33,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-22 16:16:33,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:33,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:33,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:33,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:33,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:33,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:33,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:33,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:33,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:33,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:33,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:33,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:33,728 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:33,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-22 16:16:33,732 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 [2021-11-22 16:16:33,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:33,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:33,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:33,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:33,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:33,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:33,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:33,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-22 16:16:33,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:33,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:33,775 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:33,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-22 16:16:33,777 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 [2021-11-22 16:16:33,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:33,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:33,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:33,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:33,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:33,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:33,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:33,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:33,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:33,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:33,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:33,816 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:33,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-22 16:16:33,821 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 [2021-11-22 16:16:33,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:33,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:33,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:33,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:33,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:33,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:33,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:33,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:33,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:33,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:33,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:33,850 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:33,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-22 16:16:33,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:33,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:33,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:33,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:33,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:33,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:33,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:33,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:33,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:33,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:33,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:33,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:33,889 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:33,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-22 16:16:33,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:33,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:33,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:33,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:33,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:33,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:33,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:33,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:33,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:33,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:33,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:33,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:33,919 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:33,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-22 16:16:33,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:33,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:33,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:33,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:33,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:33,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:33,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:33,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:33,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:33,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:33,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:33,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:33,952 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:33,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-22 16:16:33,954 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 [2021-11-22 16:16:33,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:33,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:33,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:33,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:33,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:33,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:33,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:33,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:33,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:33,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:33,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:33,982 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:33,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-22 16:16:33,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:33,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:33,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:33,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:33,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:33,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:33,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:33,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:33,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:34,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,020 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-22 16:16:34,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:34,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,056 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-22 16:16:34,061 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 [2021-11-22 16:16:34,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:34,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,096 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-22 16:16:34,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:34,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:34,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-11-22 16:16:34,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,146 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-22 16:16:34,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-11-22 16:16:34,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,180 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-22 16:16:34,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:34,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,214 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-22 16:16:34,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-11-22 16:16:34,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,247 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-22 16:16:34,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-11-22 16:16:34,318 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,320 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-22 16:16:34,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-22 16:16:34,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,382 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-22 16:16:34,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:34,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,425 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-22 16:16:34,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:34,454 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,454 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-22 16:16:34,456 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 [2021-11-22 16:16:34,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:34,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,486 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-22 16:16:34,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-22 16:16:34,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,541 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-22 16:16:34,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:34,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,597 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-22 16:16:34,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:34,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,630 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-22 16:16:34,632 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 [2021-11-22 16:16:34,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:34,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:34,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:34,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,666 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-22 16:16:34,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:34,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,698 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-22 16:16:34,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:34,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,730 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-22 16:16:34,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:34,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:34,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:34,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,762 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-22 16:16:34,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-22 16:16:34,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,792 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-22 16:16:34,793 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 [2021-11-22 16:16:34,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:34,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:34,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:34,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,824 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-22 16:16:34,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:34,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,867 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-22 16:16:34,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:34,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,903 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-22 16:16:34,905 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 [2021-11-22 16:16:34,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-11-22 16:16:34,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,933 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-22 16:16:34,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-22 16:16:34,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,967 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-22 16:16:34,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:34,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:34,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:34,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:34,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:34,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:34,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:34,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:34,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:34,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:34,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:34,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:34,997 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:34,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-22 16:16:34,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:35,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:35,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:35,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:35,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:35,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:35,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:35,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:35,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:35,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-22 16:16:35,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:35,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:35,041 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:35,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-22 16:16:35,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:35,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:35,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:35,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:35,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:35,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:35,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:35,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:35,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:35,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-22 16:16:35,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:35,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:35,071 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:35,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-22 16:16:35,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:35,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:35,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:35,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:35,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:35,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:35,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:35,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:35,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:35,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-22 16:16:35,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:35,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:35,102 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:35,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-22 16:16:35,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:35,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:35,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:35,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:35,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:35,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:35,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:35,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:35,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:35,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-22 16:16:35,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:35,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:35,131 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:35,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-22 16:16:35,135 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 [2021-11-22 16:16:35,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:35,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:35,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:35,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:35,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:35,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:35,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:35,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:35,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:35,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:35,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:35,163 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:35,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-22 16:16:35,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:35,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:35,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:35,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:35,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:35,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:35,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:35,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:35,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:35,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-11-22 16:16:35,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:35,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:35,195 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:35,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:35,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-22 16:16:35,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:35,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:35,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:35,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:35,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:35,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:35,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:35,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:35,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:35,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:35,242 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:35,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-22 16:16:35,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:35,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:35,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:35,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:35,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:35,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:35,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:35,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:35,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:35,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:35,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:35,284 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:35,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-22 16:16:35,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:35,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:35,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:35,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:35,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:35,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:35,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:35,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:35,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:35,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:35,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:35,340 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:35,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-22 16:16:35,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:35,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:35,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:35,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:35,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:35,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:35,353 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:35,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:35,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-22 16:16:35,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:35,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:35,399 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:35,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-22 16:16:35,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:35,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:35,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:35,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:35,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:35,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:35,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:35,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:35,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-11-22 16:16:35,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:35,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:35,484 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:35,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:35,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:35,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:35,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:35,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:35,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:35,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:35,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-22 16:16:35,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:35,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-22 16:16:35,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:35,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:35,545 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:35,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-22 16:16:35,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:35,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:35,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:35,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:35,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:35,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:35,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:35,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:35,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:35,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:35,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:35,620 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:35,622 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 [2021-11-22 16:16:35,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-22 16:16:35,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:35,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:35,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:35,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:35,636 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:35,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:35,653 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-22 16:16:35,687 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-22 16:16:35,687 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-22 16:16:35,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:35,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:35,698 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:35,699 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-22 16:16:35,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-22 16:16:35,741 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-22 16:16:35,741 INFO L513 LassoAnalysis]: Proved termination. [2021-11-22 16:16:35,742 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_1 + 100 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1 - 2 >= 0] [2021-11-22 16:16:35,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:35,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:36,060 INFO L297 tatePredicateManager]: 34 out of 40 supporting invariants were superfluous and have been removed [2021-11-22 16:16:36,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:36,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 16:16:36,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:16:36,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 12 [2021-11-22 16:16:36,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 25 treesize of output 13 [2021-11-22 16:16:36,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 25 treesize of output 13 [2021-11-22 16:16:36,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 25 treesize of output 13 [2021-11-22 16:16:36,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 25 treesize of output 13 [2021-11-22 16:16:36,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 25 treesize of output 13 [2021-11-22 16:16:36,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 25 treesize of output 13 [2021-11-22 16:16:36,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 25 treesize of output 13 [2021-11-22 16:16:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:36,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 16:16:36,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:16:37,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:37,007 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 [2021-11-22 16:16:37,007 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 48 transitions. cyclomatic complexity: 7 Second operand has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 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) [2021-11-22 16:16:37,423 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 48 transitions. cyclomatic complexity: 7. Second operand has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 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 57 states and 67 transitions. Complement of second has 17 states. [2021-11-22 16:16:37,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 10 stem states 2 non-accepting loop states 2 accepting loop states [2021-11-22 16:16:37,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 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) [2021-11-22 16:16:37,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 49 transitions. [2021-11-22 16:16:37,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 49 transitions. Stem has 19 letters. Loop has 3 letters. [2021-11-22 16:16:37,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 16:16:37,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 49 transitions. Stem has 22 letters. Loop has 3 letters. [2021-11-22 16:16:37,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 16:16:37,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 49 transitions. Stem has 19 letters. Loop has 6 letters. [2021-11-22 16:16:37,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 16:16:37,428 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 67 transitions. [2021-11-22 16:16:37,429 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-22 16:16:37,430 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 33 states and 40 transitions. [2021-11-22 16:16:37,430 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-11-22 16:16:37,430 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-11-22 16:16:37,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 40 transitions. [2021-11-22 16:16:37,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:16:37,430 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-11-22 16:16:37,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 40 transitions. [2021-11-22 16:16:37,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 28. [2021-11-22 16:16:37,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 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) [2021-11-22 16:16:37,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2021-11-22 16:16:37,432 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-11-22 16:16:37,433 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-11-22 16:16:37,433 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-11-22 16:16:37,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 33 transitions. [2021-11-22 16:16:37,433 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:37,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:16:37,433 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:16:37,434 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:37,434 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 16:16:37,434 INFO L791 eck$LassoCheckResult]: Stem: 1252#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1253#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 1268#L553 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call write~int(-1, main_~x~0#1.base, main_~x~0#1.offset, 4); 1261#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1262#L558 assume !(main_#t~mem8#1 > 0);havoc main_#t~mem8#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post12#1 := main_#t~mem11#1;call write~int(main_#t~post12#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~post12#1; 1266#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1267#L563 assume !(main_#t~mem13#1 > 0);havoc main_#t~mem13#1;call main_#t~mem16#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post17#1 := main_#t~mem16#1;call write~int(main_#t~post17#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem16#1;havoc main_#t~post17#1; 1269#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1270#L568 assume !(main_#t~mem18#1 > 0);havoc main_#t~mem18#1;call main_#t~mem21#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post22#1 := main_#t~mem21#1;call write~int(main_#t~post22#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem21#1;havoc main_#t~post22#1; 1278#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1256#L573 assume main_#t~mem23#1 > 0;havoc main_#t~mem23#1;call main_#t~mem24#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post25#1 := main_#t~mem24#1;call write~int(1 + main_#t~post25#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem24#1;havoc main_#t~post25#1; 1257#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1273#L578 assume main_#t~mem28#1 > 0;havoc main_#t~mem28#1;call main_#t~mem29#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post30#1 := main_#t~mem29#1;call write~int(1 + main_#t~post30#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem29#1;havoc main_#t~post30#1; 1277#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1275#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 1276#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1263#L588 assume main_#t~mem38#1 > 0;havoc main_#t~mem38#1;call main_#t~mem39#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post40#1 := main_#t~mem39#1;call write~int(1 + main_#t~post40#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem39#1;havoc main_#t~post40#1; 1264#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1272#L593 assume main_#t~mem43#1 > 0;havoc main_#t~mem43#1;call main_#t~mem44#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post45#1 := main_#t~mem44#1;call write~int(1 + main_#t~post45#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem44#1;havoc main_#t~post45#1; 1254#L598-4 [2021-11-22 16:16:37,434 INFO L793 eck$LassoCheckResult]: Loop: 1254#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 1255#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 1274#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 1254#L598-4 [2021-11-22 16:16:37,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:37,435 INFO L85 PathProgramCache]: Analyzing trace with hash 2027335746, now seen corresponding path program 1 times [2021-11-22 16:16:37,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:37,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002790942] [2021-11-22 16:16:37,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:37,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:37,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:37,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:37,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002790942] [2021-11-22 16:16:37,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002790942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:37,508 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:37,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:16:37,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496474905] [2021-11-22 16:16:37,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:37,508 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 16:16:37,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:37,509 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 11 times [2021-11-22 16:16:37,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:37,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931220425] [2021-11-22 16:16:37,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:37,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:37,533 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:37,543 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:37,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:37,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:16:37,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:16:37,763 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. cyclomatic complexity: 6 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) [2021-11-22 16:16:37,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:37,865 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2021-11-22 16:16:37,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:16:37,866 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 40 transitions. [2021-11-22 16:16:37,866 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:37,867 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 40 transitions. [2021-11-22 16:16:37,867 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-11-22 16:16:37,867 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-11-22 16:16:37,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 40 transitions. [2021-11-22 16:16:37,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:16:37,867 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-11-22 16:16:37,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 40 transitions. [2021-11-22 16:16:37,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 26. [2021-11-22 16:16:37,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:37,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2021-11-22 16:16:37,869 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 30 transitions. [2021-11-22 16:16:37,869 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 30 transitions. [2021-11-22 16:16:37,869 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-11-22 16:16:37,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 30 transitions. [2021-11-22 16:16:37,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:37,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:16:37,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:16:37,870 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:37,870 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 16:16:37,871 INFO L791 eck$LassoCheckResult]: Stem: 1323#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1324#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 1338#L553 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call write~int(-1, main_~x~0#1.base, main_~x~0#1.offset, 4); 1331#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1332#L558 assume !(main_#t~mem8#1 > 0);havoc main_#t~mem8#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post12#1 := main_#t~mem11#1;call write~int(main_#t~post12#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~post12#1; 1336#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1337#L563 assume !(main_#t~mem13#1 > 0);havoc main_#t~mem13#1;call main_#t~mem16#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post17#1 := main_#t~mem16#1;call write~int(main_#t~post17#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem16#1;havoc main_#t~post17#1; 1339#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1340#L568 assume !(main_#t~mem18#1 > 0);havoc main_#t~mem18#1;call main_#t~mem21#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post22#1 := main_#t~mem21#1;call write~int(main_#t~post22#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem21#1;havoc main_#t~post22#1; 1347#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1325#L573 assume !(main_#t~mem23#1 > 0);havoc main_#t~mem23#1;call main_#t~mem26#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post27#1 := main_#t~mem26#1;call write~int(main_#t~post27#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem26#1;havoc main_#t~post27#1; 1326#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1342#L578 assume main_#t~mem28#1 > 0;havoc main_#t~mem28#1;call main_#t~mem29#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post30#1 := main_#t~mem29#1;call write~int(1 + main_#t~post30#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem29#1;havoc main_#t~post30#1; 1327#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1328#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 1344#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1333#L588 assume main_#t~mem38#1 > 0;havoc main_#t~mem38#1;call main_#t~mem39#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post40#1 := main_#t~mem39#1;call write~int(1 + main_#t~post40#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem39#1;havoc main_#t~post40#1; 1334#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1343#L593 assume main_#t~mem43#1 > 0;havoc main_#t~mem43#1;call main_#t~mem44#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post45#1 := main_#t~mem44#1;call write~int(1 + main_#t~post45#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem44#1;havoc main_#t~post45#1; 1329#L598-4 [2021-11-22 16:16:37,871 INFO L793 eck$LassoCheckResult]: Loop: 1329#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 1330#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 1345#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 1329#L598-4 [2021-11-22 16:16:37,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:37,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1587573180, now seen corresponding path program 1 times [2021-11-22 16:16:37,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:37,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658657196] [2021-11-22 16:16:37,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:37,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:37,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:37,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:37,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658657196] [2021-11-22 16:16:37,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658657196] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:37,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:37,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-22 16:16:37,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704774134] [2021-11-22 16:16:37,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:37,999 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 16:16:37,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:38,000 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 12 times [2021-11-22 16:16:38,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:38,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145007552] [2021-11-22 16:16:38,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:38,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:38,018 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:38,040 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:38,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:38,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-22 16:16:38,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-11-22 16:16:38,258 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. cyclomatic complexity: 5 Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 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) [2021-11-22 16:16:38,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:38,401 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2021-11-22 16:16:38,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-22 16:16:38,402 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 39 transitions. [2021-11-22 16:16:38,403 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:38,403 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 39 transitions. [2021-11-22 16:16:38,403 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-11-22 16:16:38,404 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-11-22 16:16:38,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 39 transitions. [2021-11-22 16:16:38,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:16:38,404 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 39 transitions. [2021-11-22 16:16:38,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 39 transitions. [2021-11-22 16:16:38,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 24. [2021-11-22 16:16:38,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.125) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:38,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-11-22 16:16:38,406 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-11-22 16:16:38,406 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-11-22 16:16:38,406 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-11-22 16:16:38,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 27 transitions. [2021-11-22 16:16:38,406 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:38,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:16:38,406 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:16:38,407 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:38,407 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 16:16:38,407 INFO L791 eck$LassoCheckResult]: Stem: 1396#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1397#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 1411#L553 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call write~int(-1, main_~x~0#1.base, main_~x~0#1.offset, 4); 1404#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1405#L558 assume !(main_#t~mem8#1 > 0);havoc main_#t~mem8#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post12#1 := main_#t~mem11#1;call write~int(main_#t~post12#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~post12#1; 1409#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1410#L563 assume !(main_#t~mem13#1 > 0);havoc main_#t~mem13#1;call main_#t~mem16#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post17#1 := main_#t~mem16#1;call write~int(main_#t~post17#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem16#1;havoc main_#t~post17#1; 1412#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1413#L568 assume !(main_#t~mem18#1 > 0);havoc main_#t~mem18#1;call main_#t~mem21#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post22#1 := main_#t~mem21#1;call write~int(main_#t~post22#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem21#1;havoc main_#t~post22#1; 1419#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1398#L573 assume !(main_#t~mem23#1 > 0);havoc main_#t~mem23#1;call main_#t~mem26#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post27#1 := main_#t~mem26#1;call write~int(main_#t~post27#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem26#1;havoc main_#t~post27#1; 1399#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1415#L578 assume !(main_#t~mem28#1 > 0);havoc main_#t~mem28#1;call main_#t~mem31#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post32#1 := main_#t~mem31#1;call write~int(main_#t~post32#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem31#1;havoc main_#t~post32#1; 1400#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1401#L583 assume !(main_#t~mem33#1 > 0);havoc main_#t~mem33#1;call main_#t~mem36#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post37#1 := main_#t~mem36#1;call write~int(main_#t~post37#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem36#1;havoc main_#t~post37#1; 1417#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1406#L588 assume main_#t~mem38#1 > 0;havoc main_#t~mem38#1;call main_#t~mem39#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post40#1 := main_#t~mem39#1;call write~int(1 + main_#t~post40#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem39#1;havoc main_#t~post40#1; 1407#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1416#L593 assume main_#t~mem43#1 > 0;havoc main_#t~mem43#1;call main_#t~mem44#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post45#1 := main_#t~mem44#1;call write~int(1 + main_#t~post45#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem44#1;havoc main_#t~post45#1; 1402#L598-4 [2021-11-22 16:16:38,407 INFO L793 eck$LassoCheckResult]: Loop: 1402#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 1403#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 1418#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 1402#L598-4 [2021-11-22 16:16:38,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:38,407 INFO L85 PathProgramCache]: Analyzing trace with hash 189281224, now seen corresponding path program 1 times [2021-11-22 16:16:38,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:38,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021752613] [2021-11-22 16:16:38,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:38,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:38,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:38,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:38,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021752613] [2021-11-22 16:16:38,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021752613] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:38,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:38,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-22 16:16:38,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74280226] [2021-11-22 16:16:38,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:38,598 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 16:16:38,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:38,599 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 13 times [2021-11-22 16:16:38,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:38,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160514971] [2021-11-22 16:16:38,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:38,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:38,608 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:38,616 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:38,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:38,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-22 16:16:38,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2021-11-22 16:16:38,804 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. cyclomatic complexity: 4 Second operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 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) [2021-11-22 16:16:38,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:38,961 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2021-11-22 16:16:38,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-22 16:16:38,962 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 32 transitions. [2021-11-22 16:16:38,962 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:38,963 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 32 transitions. [2021-11-22 16:16:38,963 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-11-22 16:16:38,963 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-11-22 16:16:38,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 32 transitions. [2021-11-22 16:16:38,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:16:38,963 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 32 transitions. [2021-11-22 16:16:38,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 32 transitions. [2021-11-22 16:16:38,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 22. [2021-11-22 16:16:38,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 21 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:38,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2021-11-22 16:16:38,965 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-11-22 16:16:38,965 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-11-22 16:16:38,965 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-11-22 16:16:38,965 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 24 transitions. [2021-11-22 16:16:38,965 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:38,965 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:16:38,965 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:16:38,966 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:38,966 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 16:16:38,966 INFO L791 eck$LassoCheckResult]: Stem: 1465#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1466#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 1479#L553 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call write~int(-1, main_~x~0#1.base, main_~x~0#1.offset, 4); 1473#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1474#L558 assume !(main_#t~mem8#1 > 0);havoc main_#t~mem8#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post12#1 := main_#t~mem11#1;call write~int(main_#t~post12#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~post12#1; 1477#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1478#L563 assume !(main_#t~mem13#1 > 0);havoc main_#t~mem13#1;call main_#t~mem16#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post17#1 := main_#t~mem16#1;call write~int(main_#t~post17#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem16#1;havoc main_#t~post17#1; 1480#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1481#L568 assume !(main_#t~mem18#1 > 0);havoc main_#t~mem18#1;call main_#t~mem21#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post22#1 := main_#t~mem21#1;call write~int(main_#t~post22#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem21#1;havoc main_#t~post22#1; 1486#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1467#L573 assume !(main_#t~mem23#1 > 0);havoc main_#t~mem23#1;call main_#t~mem26#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post27#1 := main_#t~mem26#1;call write~int(main_#t~post27#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem26#1;havoc main_#t~post27#1; 1468#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1483#L578 assume !(main_#t~mem28#1 > 0);havoc main_#t~mem28#1;call main_#t~mem31#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post32#1 := main_#t~mem31#1;call write~int(main_#t~post32#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem31#1;havoc main_#t~post32#1; 1469#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1470#L583 assume !(main_#t~mem33#1 > 0);havoc main_#t~mem33#1;call main_#t~mem36#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post37#1 := main_#t~mem36#1;call write~int(main_#t~post37#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem36#1;havoc main_#t~post37#1; 1484#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1475#L588 assume !(main_#t~mem38#1 > 0);havoc main_#t~mem38#1;call main_#t~mem41#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post42#1 := main_#t~mem41#1;call write~int(main_#t~post42#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem41#1;havoc main_#t~post42#1; 1476#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1482#L593 assume !(main_#t~mem43#1 > 0);havoc main_#t~mem43#1;call main_#t~mem46#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post47#1 := main_#t~mem46#1;call write~int(main_#t~post47#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem46#1;havoc main_#t~post47#1; 1471#L598-4 [2021-11-22 16:16:38,966 INFO L793 eck$LassoCheckResult]: Loop: 1471#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 1472#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 1485#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 1471#L598-4 [2021-11-22 16:16:38,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:38,967 INFO L85 PathProgramCache]: Analyzing trace with hash 189283148, now seen corresponding path program 1 times [2021-11-22 16:16:38,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:38,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753125922] [2021-11-22 16:16:38,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:38,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:38,981 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:39,000 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:39,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:39,001 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 14 times [2021-11-22 16:16:39,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:39,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306372834] [2021-11-22 16:16:39,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:39,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:39,009 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:39,017 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:39,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:39,018 INFO L85 PathProgramCache]: Analyzing trace with hash -357729952, now seen corresponding path program 1 times [2021-11-22 16:16:39,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:39,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721641878] [2021-11-22 16:16:39,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:39,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:39,037 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:39,061 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:44,775 WARN L227 SmtUtils]: Spent 5.50s on a formula simplification. DAG size of input: 191 DAG size of output: 159 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-22 16:16:45,244 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 16:16:45,244 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 16:16:45,244 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 16:16:45,244 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 16:16:45,245 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-22 16:16:45,245 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:45,245 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 16:16:45,245 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 16:16:45,245 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-alloca.i_Iteration14_Lasso [2021-11-22 16:16:45,245 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 16:16:45,245 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 16:16:45,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:45,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:16:46,326 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 16:16:46,326 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-22 16:16:46,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,333 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-22 16:16:46,335 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 [2021-11-22 16:16:46,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:46,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:46,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:46,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:46,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-22 16:16:46,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,362 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-22 16:16:46,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:46,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:46,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:46,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:46,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:46,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-22 16:16:46,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,391 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-22 16:16:46,392 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 [2021-11-22 16:16:46,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:46,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:46,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:46,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:46,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-22 16:16:46,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,419 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-22 16:16:46,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:46,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:46,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:46,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:46,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:46,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:46,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,449 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-22 16:16:46,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:46,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:46,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:46,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:46,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:46,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-11-22 16:16:46,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,477 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-22 16:16:46,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:46,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:46,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:46,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:46,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:46,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-11-22 16:16:46,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,506 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-22 16:16:46,507 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 [2021-11-22 16:16:46,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:46,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:46,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:46,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:46,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-11-22 16:16:46,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,572 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:46,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:46,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:46,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:46,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-22 16:16:46,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:46,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-11-22 16:16:46,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,624 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-22 16:16:46,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:46,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:46,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:46,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:46,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-11-22 16:16:46,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,655 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-22 16:16:46,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:46,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:46,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:46,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:46,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:46,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:46,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,684 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-22 16:16:46,687 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 [2021-11-22 16:16:46,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:46,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:46,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:46,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:46,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-11-22 16:16:46,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,715 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-22 16:16:46,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:46,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:46,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:46,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:46,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:46,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-11-22 16:16:46,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,756 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-22 16:16:46,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:46,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:46,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:46,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:46,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:46,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-22 16:16:46,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,785 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-22 16:16:46,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:46,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:46,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:46,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:46,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:46,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:46,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,814 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-22 16:16:46,815 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 [2021-11-22 16:16:46,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:46,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:46,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:46,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:46,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:46,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,842 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-22 16:16:46,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:46,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:46,853 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:46,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:46,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-11-22 16:16:46,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,890 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-22 16:16:46,892 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 [2021-11-22 16:16:46,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:46,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:46,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:46,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:46,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:46,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,919 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-22 16:16:46,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:46,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:46,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:46,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:46,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:46,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:46,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,948 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-22 16:16:46,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:46,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:46,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:46,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:46,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:46,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-11-22 16:16:46,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:46,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:46,979 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:46,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-22 16:16:46,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:46,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:46,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:46,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:46,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:46,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:46,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:46,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:47,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:47,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:47,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:47,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:47,040 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:47,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-22 16:16:47,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:47,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:47,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:47,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:47,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:47,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:47,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:47,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:47,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:47,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-11-22 16:16:47,068 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:47,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:47,069 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:47,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-22 16:16:47,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:47,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:47,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:47,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:47,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:47,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:47,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:47,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:47,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:47,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-11-22 16:16:47,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:47,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:47,098 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:47,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-22 16:16:47,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:47,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:47,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:47,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:47,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:47,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:47,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:47,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:47,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:47,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-11-22 16:16:47,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:47,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:47,127 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:47,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-22 16:16:47,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:47,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:47,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:47,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:47,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:47,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:47,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:47,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:47,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:47,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-11-22 16:16:47,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:47,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:47,156 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:47,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-22 16:16:47,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:47,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:47,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:47,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:47,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:47,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:47,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:47,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:47,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:47,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-11-22 16:16:47,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:47,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:47,185 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:47,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-22 16:16:47,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:47,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:47,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:47,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:47,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:47,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:47,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:47,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:47,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:47,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-11-22 16:16:47,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:47,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:47,217 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:47,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-22 16:16:47,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:47,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:47,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:47,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:47,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:47,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:47,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:47,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:47,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:47,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-11-22 16:16:47,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:47,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:47,246 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:47,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-22 16:16:47,247 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 [2021-11-22 16:16:47,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:47,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:47,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:47,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:47,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:47,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:47,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:47,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-11-22 16:16:47,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:47,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:47,279 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:47,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-22 16:16:47,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:47,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:47,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:16:47,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:47,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:47,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:47,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:16:47,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:16:47,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:47,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:47,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:47,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:47,314 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:47,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:47,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:47,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:47,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:47,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:47,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:47,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:47,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-22 16:16:47,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:47,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:47,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:47,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:47,385 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:47,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:47,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:47,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:47,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:47,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:47,397 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:47,397 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:47,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-22 16:16:47,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:47,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-11-22 16:16:47,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:47,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:47,429 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:47,431 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 [2021-11-22 16:16:47,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:47,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:47,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:47,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:47,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-22 16:16:47,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:47,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:47,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:47,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:47,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:47,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:47,468 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:47,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-22 16:16:47,469 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 [2021-11-22 16:16:47,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:47,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:47,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:47,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:47,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:47,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:47,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:47,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:47,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:47,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:47,518 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:47,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-22 16:16:47,520 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 [2021-11-22 16:16:47,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:47,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:47,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:47,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:47,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:47,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:47,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:47,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-11-22 16:16:47,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:47,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:47,551 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:47,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-22 16:16:47,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:47,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:47,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:47,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:47,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:47,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:47,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:47,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:47,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:47,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:47,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:47,583 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:47,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-22 16:16:47,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:47,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:47,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:47,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:47,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:47,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:47,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:47,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:47,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-11-22 16:16:47,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:47,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:47,630 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:47,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-22 16:16:47,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:16:47,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:47,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:47,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:47,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:47,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:47,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:47,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:16:47,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-11-22 16:16:47,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:47,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:47,671 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:47,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-22 16:16:47,672 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 [2021-11-22 16:16:47,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:16:47,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:16:47,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:16:47,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:16:47,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:16:47,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:16:47,688 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-22 16:16:47,696 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-22 16:16:47,696 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-22 16:16:47,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:16:47,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:16:47,699 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:16:47,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-22 16:16:47,700 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-22 16:16:47,707 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-22 16:16:47,708 INFO L513 LassoAnalysis]: Proved termination. [2021-11-22 16:16:47,708 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0#1.base) ULTIMATE.start_main_~z~0#1.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2) = -9*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0#1.base) ULTIMATE.start_main_~z~0#1.offset)_2 - 100*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2 Supporting invariants [-1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2 - 9 >= 0] [2021-11-22 16:16:47,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:47,861 INFO L297 tatePredicateManager]: 33 out of 40 supporting invariants were superfluous and have been removed [2021-11-22 16:16:47,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:47,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-11-22 16:16:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:47,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-22 16:16:47,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:16:47,992 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 16:16:47,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 23 treesize of output 19 [2021-11-22 16:16:48,040 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 11 treesize of output 7 [2021-11-22 16:16:48,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 27 treesize of output 15 [2021-11-22 16:16:48,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 27 treesize of output 15 [2021-11-22 16:16:48,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 27 treesize of output 15 [2021-11-22 16:16:48,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 27 treesize of output 15 [2021-11-22 16:16:48,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 27 treesize of output 15 [2021-11-22 16:16:48,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 27 treesize of output 15 [2021-11-22 16:16:48,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 27 treesize of output 15 [2021-11-22 16:16:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:48,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-22 16:16:48,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:16:48,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:48,822 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.10 stem predicates 2 loop predicates [2021-11-22 16:16:48,822 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 24 transitions. cyclomatic complexity: 3 Second operand has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 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) [2021-11-22 16:16:48,994 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 24 transitions. cyclomatic complexity: 3. Second operand has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 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 28 states and 33 transitions. Complement of second has 15 states. [2021-11-22 16:16:48,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 10 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-22 16:16:48,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 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) [2021-11-22 16:16:48,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 28 transitions. [2021-11-22 16:16:48,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 28 transitions. Stem has 19 letters. Loop has 3 letters. [2021-11-22 16:16:48,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 16:16:48,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 28 transitions. Stem has 22 letters. Loop has 3 letters. [2021-11-22 16:16:48,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 16:16:48,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 28 transitions. Stem has 19 letters. Loop has 6 letters. [2021-11-22 16:16:48,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 16:16:48,996 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 33 transitions. [2021-11-22 16:16:48,997 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:48,997 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 22 states and 23 transitions. [2021-11-22 16:16:48,997 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-11-22 16:16:48,998 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-11-22 16:16:48,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 23 transitions. [2021-11-22 16:16:48,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:16:48,998 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 23 transitions. [2021-11-22 16:16:48,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 23 transitions. [2021-11-22 16:16:48,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-11-22 16:16:48,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:16:49,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2021-11-22 16:16:49,000 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 23 transitions. [2021-11-22 16:16:49,000 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 23 transitions. [2021-11-22 16:16:49,000 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-11-22 16:16:49,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 23 transitions. [2021-11-22 16:16:49,001 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 16:16:49,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:16:49,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:16:49,001 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:16:49,001 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 16:16:49,002 INFO L791 eck$LassoCheckResult]: Stem: 1796#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1797#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 1810#L553 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call write~int(-1, main_~x~0#1.base, main_~x~0#1.offset, 4); 1806#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1807#L558 assume !(main_#t~mem8#1 > 0);havoc main_#t~mem8#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post12#1 := main_#t~mem11#1;call write~int(main_#t~post12#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~post12#1; 1808#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1809#L563 assume !(main_#t~mem13#1 > 0);havoc main_#t~mem13#1;call main_#t~mem16#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post17#1 := main_#t~mem16#1;call write~int(main_#t~post17#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem16#1;havoc main_#t~post17#1; 1811#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1812#L568 assume !(main_#t~mem18#1 > 0);havoc main_#t~mem18#1;call main_#t~mem21#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post22#1 := main_#t~mem21#1;call write~int(main_#t~post22#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem21#1;havoc main_#t~post22#1; 1817#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1802#L573 assume !(main_#t~mem23#1 > 0);havoc main_#t~mem23#1;call main_#t~mem26#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post27#1 := main_#t~mem26#1;call write~int(main_#t~post27#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem26#1;havoc main_#t~post27#1; 1803#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1814#L578 assume !(main_#t~mem28#1 > 0);havoc main_#t~mem28#1;call main_#t~mem31#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post32#1 := main_#t~mem31#1;call write~int(main_#t~post32#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem31#1;havoc main_#t~post32#1; 1798#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1799#L583 assume !(main_#t~mem33#1 > 0);havoc main_#t~mem33#1;call main_#t~mem36#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post37#1 := main_#t~mem36#1;call write~int(main_#t~post37#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem36#1;havoc main_#t~post37#1; 1815#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1804#L588 assume !(main_#t~mem38#1 > 0);havoc main_#t~mem38#1;call main_#t~mem41#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post42#1 := main_#t~mem41#1;call write~int(main_#t~post42#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem41#1;havoc main_#t~post42#1; 1805#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1813#L593 assume main_#t~mem43#1 > 0;havoc main_#t~mem43#1;call main_#t~mem44#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post45#1 := main_#t~mem44#1;call write~int(1 + main_#t~post45#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem44#1;havoc main_#t~post45#1; 1800#L598-4 [2021-11-22 16:16:49,002 INFO L793 eck$LassoCheckResult]: Loop: 1800#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 1801#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 1816#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 1800#L598-4 [2021-11-22 16:16:49,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:49,002 INFO L85 PathProgramCache]: Analyzing trace with hash 189283146, now seen corresponding path program 1 times [2021-11-22 16:16:49,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:49,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367475325] [2021-11-22 16:16:49,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:49,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:16:49,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:16:49,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:16:49,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367475325] [2021-11-22 16:16:49,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367475325] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:16:49,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:16:49,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-22 16:16:49,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435725421] [2021-11-22 16:16:49,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:16:49,169 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-22 16:16:49,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:16:49,170 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 15 times [2021-11-22 16:16:49,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:16:49,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713957012] [2021-11-22 16:16:49,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:16:49,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:16:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:49,178 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:16:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:16:49,186 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:16:49,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:16:49,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-22 16:16:49,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2021-11-22 16:16:49,386 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. cyclomatic complexity: 2 Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 15 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) [2021-11-22 16:16:49,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:16:49,455 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2021-11-22 16:16:49,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-22 16:16:49,456 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 18 transitions. [2021-11-22 16:16:49,456 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-22 16:16:49,456 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2021-11-22 16:16:49,456 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-22 16:16:49,456 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-22 16:16:49,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-22 16:16:49,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:16:49,456 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 16:16:49,456 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 16:16:49,456 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 16:16:49,456 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-11-22 16:16:49,457 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-22 16:16:49,457 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-22 16:16:49,457 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-22 16:16:49,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 04:16:49 BoogieIcfgContainer [2021-11-22 16:16:49,462 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-22 16:16:49,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 16:16:49,463 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 16:16:49,463 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 16:16:49,464 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:16:19" (3/4) ... [2021-11-22 16:16:49,466 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 16:16:49,467 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 16:16:49,467 INFO L158 Benchmark]: Toolchain (without parser) took 30616.62ms. Allocated memory was 96.5MB in the beginning and 146.8MB in the end (delta: 50.3MB). Free memory was 54.2MB in the beginning and 52.7MB in the end (delta: 1.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2021-11-22 16:16:49,468 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 16:16:49,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.60ms. Allocated memory is still 96.5MB. Free memory was 54.0MB in the beginning and 63.9MB in the end (delta: -9.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 16:16:49,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.54ms. Allocated memory is still 96.5MB. Free memory was 63.9MB in the beginning and 61.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 16:16:49,468 INFO L158 Benchmark]: Boogie Preprocessor took 30.71ms. Allocated memory is still 96.5MB. Free memory was 61.7MB in the beginning and 60.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 16:16:49,469 INFO L158 Benchmark]: RCFGBuilder took 447.86ms. Allocated memory is still 96.5MB. Free memory was 60.1MB in the beginning and 44.2MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 16:16:49,469 INFO L158 Benchmark]: BuchiAutomizer took 29598.54ms. Allocated memory was 96.5MB in the beginning and 146.8MB in the end (delta: 50.3MB). Free memory was 44.2MB in the beginning and 52.7MB in the end (delta: -8.4MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2021-11-22 16:16:49,469 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 146.8MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 16:16:49,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.60ms. Allocated memory is still 96.5MB. Free memory was 54.0MB in the beginning and 63.9MB in the end (delta: -9.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.54ms. Allocated memory is still 96.5MB. Free memory was 63.9MB in the beginning and 61.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.71ms. Allocated memory is still 96.5MB. Free memory was 61.7MB in the beginning and 60.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 447.86ms. Allocated memory is still 96.5MB. Free memory was 60.1MB in the beginning and 44.2MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 29598.54ms. Allocated memory was 96.5MB in the beginning and 146.8MB in the end (delta: 50.3MB). Free memory was 44.2MB in the beginning and 52.7MB in the end (delta: -8.4MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 146.8MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 15 terminating modules (13 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[y][y] + 100 and consists of 14 locations. One deterministic module has affine ranking function -9 * unknown-#memory_int-unknown[z][z] + -100 * unknown-#memory_int-unknown[x][x] and consists of 13 locations. 13 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 29.5s and 16 iterations. TraceHistogramMax:1. Analysis of lassos took 24.8s. Construction of modules took 1.6s. Büchi inclusion checks took 2.8s. Highest rank in rank-based complementation 3. Minimization of det autom 15. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 133 StatesRemovedByMinimization, 12 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 42 states and ocurred in iteration 9. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 300 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 300 mSDsluCounter, 563 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 305 mSDsCounter, 179 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2542 IncrementalHoareTripleChecker+Invalid, 2721 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 179 mSolverCounterUnsat, 258 mSDtfsCounter, 2542 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU13 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital332 mio100 ax105 hnf100 lsp89 ukn60 mio100 lsp35 div100 bol100 ite100 ukn100 eq194 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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! [2021-11-22 16:16:49,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcb4da0-7e95-479f-9bbd-5daadb36e762/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE