./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/c.08-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/c.08-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 461dc838a66b90dbc84e0c687808dbd6d568e1b4ffb694b9909dedb46b2980b4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:39:58,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:39:58,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:39:58,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:39:58,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:39:58,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:39:58,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:39:58,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:39:58,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:39:58,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:39:58,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:39:58,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:39:58,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:39:58,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:39:58,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:39:58,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:39:58,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:39:58,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:39:58,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:39:58,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:39:58,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:39:58,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:39:58,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:39:58,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:39:58,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:39:58,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:39:58,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:39:58,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:39:58,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:39:58,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:39:58,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:39:58,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:39:58,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:39:58,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:39:58,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:39:58,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:39:58,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:39:58,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:39:58,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:39:58,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:39:58,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:39:58,647 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 19:39:58,698 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:39:58,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:39:58,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:39:58,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:39:58,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:39:58,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:39:58,702 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:39:58,703 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 19:39:58,703 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 19:39:58,703 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 19:39:58,705 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 19:39:58,705 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 19:39:58,705 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 19:39:58,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:39:58,706 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:39:58,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:39:58,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:39:58,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 19:39:58,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 19:39:58,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 19:39:58,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:39:58,708 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 19:39:58,708 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:39:58,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 19:39:58,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:39:58,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:39:58,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:39:58,710 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:39:58,711 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 19:39:58,712 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_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 461dc838a66b90dbc84e0c687808dbd6d568e1b4ffb694b9909dedb46b2980b4 [2022-11-18 19:39:59,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:39:59,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:39:59,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:39:59,167 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:39:59,169 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:39:59,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-memory-alloca/c.08-alloca.i [2022-11-18 19:39:59,263 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/data/cefc050c1/211fda83fb6c49baacfb0bd404e731c7/FLAG8867aa886 [2022-11-18 19:39:59,973 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:39:59,978 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/sv-benchmarks/c/termination-memory-alloca/c.08-alloca.i [2022-11-18 19:39:59,996 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/data/cefc050c1/211fda83fb6c49baacfb0bd404e731c7/FLAG8867aa886 [2022-11-18 19:40:00,206 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/data/cefc050c1/211fda83fb6c49baacfb0bd404e731c7 [2022-11-18 19:40:00,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:40:00,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:40:00,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:40:00,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:40:00,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:40:00,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:40:00" (1/1) ... [2022-11-18 19:40:00,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774f9828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:40:00, skipping insertion in model container [2022-11-18 19:40:00,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:40:00" (1/1) ... [2022-11-18 19:40:00,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:40:00,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:40:00,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:40:00,676 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:40:00,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:40:00,786 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:40:00,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:40:00 WrapperNode [2022-11-18 19:40:00,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:40:00,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:40:00,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:40:00,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:40:00,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:40:00" (1/1) ... [2022-11-18 19:40:00,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:40:00" (1/1) ... [2022-11-18 19:40:00,858 INFO L138 Inliner]: procedures = 111, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2022-11-18 19:40:00,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:40:00,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:40:00,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:40:00,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:40:00,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:40:00" (1/1) ... [2022-11-18 19:40:00,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:40:00" (1/1) ... [2022-11-18 19:40:00,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:40:00" (1/1) ... [2022-11-18 19:40:00,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:40:00" (1/1) ... [2022-11-18 19:40:00,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:40:00" (1/1) ... [2022-11-18 19:40:00,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:40:00" (1/1) ... [2022-11-18 19:40:00,895 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:40:00" (1/1) ... [2022-11-18 19:40:00,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:40:00" (1/1) ... [2022-11-18 19:40:00,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:40:00,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:40:00,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:40:00,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:40:00,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:40:00" (1/1) ... [2022-11-18 19:40:00,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:00,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:00,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:00,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 19:40:00,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:40:00,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:40:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:40:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:40:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:40:00,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:40:01,105 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:40:01,108 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:40:01,332 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:40:01,339 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:40:01,348 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 19:40:01,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:40:01 BoogieIcfgContainer [2022-11-18 19:40:01,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:40:01,354 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 19:40:01,354 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 19:40:01,359 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 19:40:01,361 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:40:01,361 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 07:40:00" (1/3) ... [2022-11-18 19:40:01,362 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5be059b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:40:01, skipping insertion in model container [2022-11-18 19:40:01,362 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:40:01,363 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:40:00" (2/3) ... [2022-11-18 19:40:01,364 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5be059b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:40:01, skipping insertion in model container [2022-11-18 19:40:01,364 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:40:01,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:40:01" (3/3) ... [2022-11-18 19:40:01,366 INFO L332 chiAutomizerObserver]: Analyzing ICFG c.08-alloca.i [2022-11-18 19:40:01,489 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 19:40:01,489 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 19:40:01,489 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 19:40:01,489 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 19:40:01,489 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 19:40:01,490 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 19:40:01,490 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 19:40:01,490 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 19:40:01,506 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:40:01,543 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-18 19:40:01,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:40:01,544 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:40:01,551 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 19:40:01,551 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 19:40:01,551 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 19:40:01,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:40:01,553 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-18 19:40:01,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:40:01,553 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:40:01,554 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 19:40:01,554 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 19:40:01,564 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 5#L555-3true [2022-11-18 19:40:01,564 INFO L750 eck$LassoCheckResult]: Loop: 5#L555-3true call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 10#L555-1true assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 9#L557-3true assume !true; 12#L557-4true call test_fun_#t~mem9#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 5#L555-3true [2022-11-18 19:40:01,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:40:01,573 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-18 19:40:01,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:40:01,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986222828] [2022-11-18 19:40:01,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:40:01,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:40:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:01,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:40:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:02,021 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:40:02,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:40:02,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1144360, now seen corresponding path program 1 times [2022-11-18 19:40:02,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:40:02,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955553628] [2022-11-18 19:40:02,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:40:02,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:40:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:02,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:40:02,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:40:02,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955553628] [2022-11-18 19:40:02,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955553628] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:40:02,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:40:02,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:40:02,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683612419] [2022-11-18 19:40:02,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:40:02,162 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 19:40:02,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:40:02,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 19:40:02,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 19:40:02,218 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:40:02,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:40:02,228 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2022-11-18 19:40:02,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2022-11-18 19:40:02,233 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-18 19:40:02,236 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 7 states and 8 transitions. [2022-11-18 19:40:02,239 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-11-18 19:40:02,239 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-11-18 19:40:02,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2022-11-18 19:40:02,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:40:02,242 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2022-11-18 19:40:02,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2022-11-18 19:40:02,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-11-18 19:40:02,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:40:02,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2022-11-18 19:40:02,276 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2022-11-18 19:40:02,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 19:40:02,287 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2022-11-18 19:40:02,287 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 19:40:02,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2022-11-18 19:40:02,289 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-18 19:40:02,289 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:40:02,289 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:40:02,290 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 19:40:02,290 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-18 19:40:02,291 INFO L748 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 33#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 34#L555-3 [2022-11-18 19:40:02,291 INFO L750 eck$LassoCheckResult]: Loop: 34#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 35#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 36#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 37#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 38#L557-4 call test_fun_#t~mem9#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 34#L555-3 [2022-11-18 19:40:02,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:40:02,293 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-11-18 19:40:02,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:40:02,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102667600] [2022-11-18 19:40:02,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:40:02,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:40:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:02,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:40:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:02,393 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:40:02,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:40:02,395 INFO L85 PathProgramCache]: Analyzing trace with hash 35468273, now seen corresponding path program 1 times [2022-11-18 19:40:02,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:40:02,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670293090] [2022-11-18 19:40:02,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:40:02,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:40:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:02,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:40:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:02,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:40:02,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:40:02,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907759, now seen corresponding path program 1 times [2022-11-18 19:40:02,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:40:02,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740355115] [2022-11-18 19:40:02,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:40:02,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:40:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:02,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:40:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:02,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:40:03,816 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:40:03,823 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:40:03,823 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:40:03,824 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:40:03,825 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:40:03,825 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:03,825 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:40:03,825 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:40:03,826 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.08-alloca.i_Iteration2_Lasso [2022-11-18 19:40:03,826 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:40:03,826 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:40:03,864 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:03,893 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:03,912 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:03,916 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:03,920 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:03,923 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:03,941 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:03,945 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:03,949 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:03,952 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:03,956 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:03,960 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:03,964 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:04,696 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:04,700 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:04,704 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:05,344 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:40:05,350 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:40:05,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:05,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:05,358 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:05,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:05,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 19:40:05,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:05,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:40:05,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:05,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:05,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:05,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:40:05,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:40:05,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:05,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-18 19:40:05,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:05,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:05,413 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:05,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 19:40:05,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:05,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:05,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:05,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:05,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:05,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:05,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:05,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:05,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:05,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:05,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:05,466 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:05,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:05,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 19:40:05,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:05,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:40:05,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:05,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:05,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:05,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:40:05,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:40:05,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:05,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:05,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:05,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:05,529 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:05,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 19:40:05,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:05,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:05,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:05,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:05,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:05,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:05,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:05,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:05,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:05,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:05,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:05,576 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:05,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:05,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 19:40:05,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:05,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:40:05,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:05,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:05,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:05,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:40:05,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:40:05,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:05,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:05,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:05,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:05,634 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:05,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:05,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 19:40:05,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:05,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:05,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:05,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:05,671 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:05,671 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:05,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:05,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:05,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:05,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:05,696 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:05,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:05,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:05,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:40:05,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:05,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:05,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:05,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:40:05,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:40:05,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 19:40:05,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:05,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:05,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:05,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:05,750 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:05,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 19:40:05,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:05,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:05,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:05,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:05,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:05,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:05,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:05,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:05,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-18 19:40:05,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:05,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:05,795 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:05,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 19:40:05,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:05,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:05,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:40:05,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:05,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:05,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:05,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:40:05,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:40:05,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:05,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:05,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:05,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:05,836 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:05,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 19:40:05,844 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 [2022-11-18 19:40:05,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:05,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:40:05,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:05,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:05,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:05,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:40:05,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:40:05,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:05,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:05,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:05,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:05,864 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:05,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 19:40:05,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:05,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:05,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:05,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:05,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:05,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:05,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:05,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:05,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:05,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:05,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:05,902 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:05,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 19:40:05,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:05,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:05,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:40:05,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:05,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:05,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:05,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:40:05,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:40:05,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:05,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:05,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:05,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:05,925 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:05,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 19:40:05,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:05,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:05,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:05,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:05,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:05,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:05,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:05,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:05,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:05,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:05,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:05,962 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:05,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:05,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 19:40:05,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:05,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:05,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:05,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:05,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:05,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:06,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:06,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:06,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:06,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:06,024 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:06,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:06,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 19:40:06,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:06,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:06,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:06,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:06,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:06,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:06,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:06,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:06,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:06,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:06,085 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:06,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 19:40:06,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:06,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:06,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:06,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:06,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:06,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:06,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:06,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:06,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:06,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:06,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:06,127 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:06,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:06,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:06,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:06,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:06,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:06,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 19:40:06,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:06,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:06,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:06,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:06,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:06,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:06,189 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:06,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:06,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:06,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:06,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:06,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:06,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 19:40:06,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:06,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:06,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:06,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:06,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:06,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:06,242 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:06,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:06,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:06,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:06,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:06,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:06,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 19:40:06,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:06,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:06,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:06,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:06,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:06,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:06,296 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:06,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 19:40:06,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:06,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:06,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:06,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:06,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:06,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:06,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:06,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:06,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:06,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:06,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:06,359 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:06,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:06,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:06,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:06,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:06,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:06,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 19:40:06,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:06,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:06,410 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:40:06,436 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-18 19:40:06,437 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-18 19:40:06,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:06,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:06,440 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:06,443 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:40:06,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-18 19:40:06,483 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 19:40:06,483 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:40:06,484 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_1 + 1 Supporting invariants [] [2022-11-18 19:40:06,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:06,668 INFO L156 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2022-11-18 19:40:06,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:40:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:06,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:40:06,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:40:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:06,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 19:40:06,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:40:06,889 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-18 19:40:06,890 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 30 treesize of output 33 [2022-11-18 19:40:07,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:40:07,206 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-11-18 19:40:07,208 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:40:07,290 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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 17 states and 20 transitions. Complement of second has 7 states. [2022-11-18 19:40:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 19:40:07,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:40:07,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2022-11-18 19:40:07,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 5 letters. [2022-11-18 19:40:07,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:40:07,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 7 letters. Loop has 5 letters. [2022-11-18 19:40:07,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:40:07,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 10 letters. [2022-11-18 19:40:07,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:40:07,295 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2022-11-18 19:40:07,299 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-18 19:40:07,300 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 16 states and 19 transitions. [2022-11-18 19:40:07,301 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 19:40:07,301 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-18 19:40:07,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2022-11-18 19:40:07,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 19:40:07,301 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-18 19:40:07,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2022-11-18 19:40:07,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-18 19:40:07,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) 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) [2022-11-18 19:40:07,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-11-18 19:40:07,305 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-18 19:40:07,305 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-18 19:40:07,306 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 19:40:07,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2022-11-18 19:40:07,307 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-18 19:40:07,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:40:07,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:40:07,308 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-18 19:40:07,308 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:40:07,308 INFO L748 eck$LassoCheckResult]: Stem: 183#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 184#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 194#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 189#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 190#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 191#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 195#L557-3 [2022-11-18 19:40:07,309 INFO L750 eck$LassoCheckResult]: Loop: 195#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 198#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 195#L557-3 [2022-11-18 19:40:07,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:40:07,314 INFO L85 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2022-11-18 19:40:07,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:40:07,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465390679] [2022-11-18 19:40:07,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:40:07,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:40:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:07,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:40:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:07,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:40:07,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:40:07,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1510, now seen corresponding path program 1 times [2022-11-18 19:40:07,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:40:07,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113201712] [2022-11-18 19:40:07,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:40:07,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:40:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:07,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:40:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:07,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:40:07,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:40:07,434 INFO L85 PathProgramCache]: Analyzing trace with hash 179567346, now seen corresponding path program 2 times [2022-11-18 19:40:07,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:40:07,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649428866] [2022-11-18 19:40:07,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:40:07,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:40:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:07,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:40:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:07,530 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:40:09,097 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:40:09,098 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:40:09,098 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:40:09,098 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:40:09,098 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:40:09,098 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:09,098 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:40:09,098 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:40:09,098 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.08-alloca.i_Iteration3_Lasso [2022-11-18 19:40:09,099 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:40:09,099 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:40:09,104 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:09,108 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:09,114 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:09,117 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:09,122 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:09,125 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:09,129 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:09,133 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:09,138 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:09,143 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:09,829 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:09,832 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:09,834 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:09,837 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:09,839 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:09,844 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:10,356 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:40:10,357 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:40:10,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:10,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:10,361 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:10,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:10,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 19:40:10,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:10,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:40:10,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:10,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:10,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:10,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:40:10,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:40:10,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:10,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:10,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:10,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:10,401 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:10,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:10,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 19:40:10,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:10,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:10,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:10,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:10,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:10,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:10,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:10,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:10,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:10,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:10,469 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:10,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:10,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-18 19:40:10,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:10,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:40:10,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:10,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:10,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:10,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:40:10,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:40:10,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:10,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:10,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:10,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:10,516 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:10,520 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 [2022-11-18 19:40:10,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-18 19:40:10,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:10,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:10,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:10,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:10,534 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:10,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:10,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:10,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:10,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:10,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:10,556 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:10,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:10,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:10,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:40:10,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:10,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:10,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:10,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:40:10,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:40:10,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-18 19:40:10,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:10,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:10,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:10,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:10,605 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:10,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:10,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-18 19:40:10,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:10,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:40:10,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:10,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:10,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:10,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:40:10,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:40:10,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:10,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:10,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:10,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:10,643 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:10,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-18 19:40:10,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:10,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:10,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:10,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:10,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:10,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:10,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:10,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:10,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:10,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:10,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:10,680 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:10,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-18 19:40:10,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:10,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:10,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:40:10,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:10,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:10,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:10,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:40:10,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:40:10,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:10,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:10,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:10,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:10,724 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:10,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-18 19:40:10,727 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 [2022-11-18 19:40:10,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:10,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:40:10,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:10,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:10,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:10,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:40:10,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:40:10,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:10,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:10,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:10,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:10,743 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:10,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-18 19:40:10,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:10,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:10,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:10,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:10,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:10,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:10,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:10,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:10,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-18 19:40:10,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:10,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:10,771 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:10,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-18 19:40:10,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:10,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:10,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:10,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:10,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:10,786 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:10,786 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:10,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:10,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-18 19:40:10,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:10,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:10,803 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:10,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:10,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:10,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:10,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:10,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:10,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:10,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:10,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-18 19:40:10,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:10,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:10,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:10,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:10,853 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:10,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-18 19:40:10,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:10,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:10,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:10,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:10,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:10,874 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:10,874 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:10,897 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:40:10,911 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-18 19:40:10,911 INFO L444 ModelExtractionUtils]: 12 out of 19 variables were initially zero. Simplification set additionally 4 variables to zero. [2022-11-18 19:40:10,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:10,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:10,915 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:10,923 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:40:10,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-18 19:40:10,945 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 19:40:10,945 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:40:10,945 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~j_ref~0#1.base) ULTIMATE.start_test_fun_~j_ref~0#1.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_2) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~j_ref~0#1.base) ULTIMATE.start_test_fun_~j_ref~0#1.offset)_2 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_2 Supporting invariants [] [2022-11-18 19:40:10,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:11,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:11,097 INFO L156 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2022-11-18 19:40:11,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:40:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:11,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:40:11,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:40:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:11,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 19:40:11,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:40:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:40:11,210 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 19:40:11,210 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:40:11,241 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 31 transitions. Complement of second has 7 states. [2022-11-18 19:40:11,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 19:40:11,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:40:11,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2022-11-18 19:40:11,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-18 19:40:11,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:40:11,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-18 19:40:11,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:40:11,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-18 19:40:11,245 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:40:11,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2022-11-18 19:40:11,246 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-18 19:40:11,246 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 23 states and 28 transitions. [2022-11-18 19:40:11,247 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-18 19:40:11,247 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-18 19:40:11,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2022-11-18 19:40:11,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 19:40:11,247 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2022-11-18 19:40:11,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2022-11-18 19:40:11,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2022-11-18 19:40:11,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:40:11,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2022-11-18 19:40:11,250 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-18 19:40:11,250 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-18 19:40:11,251 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 19:40:11,251 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2022-11-18 19:40:11,251 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-18 19:40:11,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:40:11,252 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:40:11,252 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-18 19:40:11,252 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-18 19:40:11,253 INFO L748 eck$LassoCheckResult]: Stem: 364#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 365#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 376#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 370#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 383#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 378#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 379#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 375#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 380#L557-4 [2022-11-18 19:40:11,253 INFO L750 eck$LassoCheckResult]: Loop: 380#L557-4 call test_fun_#t~mem9#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 366#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 367#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 371#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 372#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 380#L557-4 [2022-11-18 19:40:11,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:40:11,253 INFO L85 PathProgramCache]: Analyzing trace with hash 179567344, now seen corresponding path program 1 times [2022-11-18 19:40:11,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:40:11,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531902505] [2022-11-18 19:40:11,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:40:11,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:40:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:11,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:40:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:11,291 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:40:11,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:40:11,292 INFO L85 PathProgramCache]: Analyzing trace with hash 52861313, now seen corresponding path program 2 times [2022-11-18 19:40:11,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:40:11,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246504974] [2022-11-18 19:40:11,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:40:11,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:40:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:11,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:40:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:11,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:40:11,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:40:11,310 INFO L85 PathProgramCache]: Analyzing trace with hash -474670094, now seen corresponding path program 1 times [2022-11-18 19:40:11,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:40:11,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204777892] [2022-11-18 19:40:11,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:40:11,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:40:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:11,347 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:40:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:11,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:40:13,018 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:40:13,018 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:40:13,018 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:40:13,018 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:40:13,018 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:40:13,018 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:13,018 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:40:13,019 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:40:13,019 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.08-alloca.i_Iteration4_Lasso [2022-11-18 19:40:13,019 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:40:13,019 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:40:13,023 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:13,041 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:13,044 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:13,047 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:13,050 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:13,053 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:13,057 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:13,060 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:13,064 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:13,067 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:13,070 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:13,732 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:13,745 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:13,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:13,753 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:13,755 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:40:14,285 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:40:14,285 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:40:14,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:14,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:14,287 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:14,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-18 19:40:14,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:14,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:14,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:14,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:14,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:14,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:14,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:14,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:14,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:14,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:14,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:14,330 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:14,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-18 19:40:14,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:14,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:14,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:40:14,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:14,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:14,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:14,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:40:14,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:40:14,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:14,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-18 19:40:14,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:14,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:14,349 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:14,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-18 19:40:14,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:14,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:14,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:14,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:14,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:14,365 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:14,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:14,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:14,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-18 19:40:14,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:14,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:14,372 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:14,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-18 19:40:14,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:14,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:14,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:14,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:14,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:14,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:14,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:14,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:14,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:14,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:14,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:14,400 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:14,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-18 19:40:14,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:14,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:14,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:40:14,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:14,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:14,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:14,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:40:14,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:40:14,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:14,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-18 19:40:14,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:14,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:14,421 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:14,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-18 19:40:14,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:14,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:14,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:40:14,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:14,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:14,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:14,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:40:14,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:40:14,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:14,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-11-18 19:40:14,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:14,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:14,466 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:14,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-18 19:40:14,469 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 [2022-11-18 19:40:14,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:14,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:40:14,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:14,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:14,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:14,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:40:14,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:40:14,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:14,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:14,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:14,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:14,496 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:14,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:14,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-18 19:40:14,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:14,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:14,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:14,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:14,519 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:14,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:14,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:14,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:14,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:14,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:14,541 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:14,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:14,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-18 19:40:14,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:14,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:14,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:14,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:14,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:14,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:14,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:14,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-18 19:40:14,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:14,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:14,566 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:14,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-18 19:40:14,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:14,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:14,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:40:14,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:14,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:14,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:14,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:40:14,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:40:14,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:14,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-18 19:40:14,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:14,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:14,586 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:14,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-18 19:40:14,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:14,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:14,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:14,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:14,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:14,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:14,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:14,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:14,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:14,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:14,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:14,636 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:14,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:14,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-18 19:40:14,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:14,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:14,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:14,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:14,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:14,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:14,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:14,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:14,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:14,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:14,700 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:14,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:14,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-18 19:40:14,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:14,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:14,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:14,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:14,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:14,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:14,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:14,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:14,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:14,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:14,743 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:14,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:14,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-18 19:40:14,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:14,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:14,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:14,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:14,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:14,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:14,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:40:14,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:14,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:14,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:14,801 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:14,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:40:14,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-18 19:40:14,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:40:14,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:40:14,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:40:14,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:40:14,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:40:14,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:40:14,850 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:40:14,865 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-18 19:40:14,866 INFO L444 ModelExtractionUtils]: 9 out of 19 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-18 19:40:14,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:40:14,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:14,867 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:40:14,871 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:40:14,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-18 19:40:14,907 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 19:40:14,907 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:40:14,907 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_3 Supporting invariants [] [2022-11-18 19:40:14,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:15,016 INFO L156 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2022-11-18 19:40:15,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:40:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:15,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:40:15,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:40:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:15,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 19:40:15,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:40:15,104 INFO L350 Elim1Store]: Elim1 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 28 treesize of output 16 [2022-11-18 19:40:15,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-18 19:40:15,190 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-18 19:40:15,190 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 28 treesize of output 31 [2022-11-18 19:40:15,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:40:15,345 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-11-18 19:40:15,346 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:40:15,385 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 58 transitions. Complement of second has 9 states. [2022-11-18 19:40:15,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-18 19:40:15,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:40:15,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2022-11-18 19:40:15,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 8 letters. Loop has 5 letters. [2022-11-18 19:40:15,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:40:15,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 13 letters. Loop has 5 letters. [2022-11-18 19:40:15,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:40:15,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 8 letters. Loop has 10 letters. [2022-11-18 19:40:15,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:40:15,389 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 58 transitions. [2022-11-18 19:40:15,391 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-18 19:40:15,391 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 38 states and 46 transitions. [2022-11-18 19:40:15,392 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-18 19:40:15,392 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-18 19:40:15,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 46 transitions. [2022-11-18 19:40:15,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 19:40:15,392 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 46 transitions. [2022-11-18 19:40:15,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 46 transitions. [2022-11-18 19:40:15,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2022-11-18 19:40:15,395 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) [2022-11-18 19:40:15,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2022-11-18 19:40:15,396 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-11-18 19:40:15,396 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-11-18 19:40:15,397 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-18 19:40:15,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2022-11-18 19:40:15,398 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-18 19:40:15,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:40:15,398 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:40:15,398 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 1, 1, 1, 1] [2022-11-18 19:40:15,398 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:40:15,399 INFO L748 eck$LassoCheckResult]: Stem: 592#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 593#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 602#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 617#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 616#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 615#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 612#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 610#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 608#L557-4 call test_fun_#t~mem9#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 596#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 597#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 624#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 625#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 606#L557-3 [2022-11-18 19:40:15,399 INFO L750 eck$LassoCheckResult]: Loop: 606#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 621#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 606#L557-3 [2022-11-18 19:40:15,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:40:15,400 INFO L85 PathProgramCache]: Analyzing trace with hash -474670092, now seen corresponding path program 2 times [2022-11-18 19:40:15,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:40:15,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305211057] [2022-11-18 19:40:15,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:40:15,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:40:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:16,297 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:40:16,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:40:16,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305211057] [2022-11-18 19:40:16,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305211057] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:40:16,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657960076] [2022-11-18 19:40:16,298 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:40:16,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:40:16,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:40:16,303 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:40:16,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2022-11-18 19:40:16,424 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 19:40:16,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:40:16,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-18 19:40:16,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:40:16,441 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 8 [2022-11-18 19:40:16,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-11-18 19:40:16,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-18 19:40:16,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2022-11-18 19:40:16,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2022-11-18 19:40:16,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-11-18 19:40:16,742 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:40:16,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:40:29,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 66 [2022-11-18 19:40:29,937 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:40:29,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657960076] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:40:29,938 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:40:29,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 8] total 23 [2022-11-18 19:40:29,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499187718] [2022-11-18 19:40:29,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:40:29,939 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 19:40:29,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:40:29,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1510, now seen corresponding path program 2 times [2022-11-18 19:40:29,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:40:29,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983672712] [2022-11-18 19:40:29,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:40:29,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:40:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:29,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:40:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:40:29,964 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:40:30,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:40:30,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-18 19:40:30,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=439, Unknown=1, NotChecked=0, Total=552 [2022-11-18 19:40:30,138 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:00,135 WARN L233 SmtUtils]: Spent 12.14s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 19:43:00,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:43:00,137 INFO L93 Difference]: Finished difference Result 55 states and 62 transitions. [2022-11-18 19:43:00,137 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 62 transitions. [2022-11-18 19:43:00,139 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2022-11-18 19:43:00,140 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 34 states and 39 transitions. [2022-11-18 19:43:00,140 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2022-11-18 19:43:00,141 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2022-11-18 19:43:00,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 39 transitions. [2022-11-18 19:43:00,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 19:43:00,141 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 39 transitions. [2022-11-18 19:43:00,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 39 transitions. [2022-11-18 19:43:00,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2022-11-18 19:43:00,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 30 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:00,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2022-11-18 19:43:00,146 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 36 transitions. [2022-11-18 19:43:00,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 19:43:00,147 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 36 transitions. [2022-11-18 19:43:00,147 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-18 19:43:00,147 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 36 transitions. [2022-11-18 19:43:00,148 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2022-11-18 19:43:00,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:43:00,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:43:00,149 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 2, 2, 1, 1, 1, 1] [2022-11-18 19:43:00,150 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 2, 1, 1, 1, 1] [2022-11-18 19:43:00,150 INFO L748 eck$LassoCheckResult]: Stem: 801#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 802#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 812#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 824#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 823#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 822#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 821#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 811#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 809#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 810#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 820#L557-4 call test_fun_#t~mem9#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 805#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 806#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 814#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 819#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 825#L557-3 [2022-11-18 19:43:00,150 INFO L750 eck$LassoCheckResult]: Loop: 825#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 826#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 827#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 831#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 830#L557-4 call test_fun_#t~mem9#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 829#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 813#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 807#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 808#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 825#L557-3 [2022-11-18 19:43:00,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:00,151 INFO L85 PathProgramCache]: Analyzing trace with hash -713568913, now seen corresponding path program 3 times [2022-11-18 19:43:00,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:00,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834448164] [2022-11-18 19:43:00,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:00,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:43:00,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:43:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:43:00,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:43:00,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:00,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1628129275, now seen corresponding path program 1 times [2022-11-18 19:43:00,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:00,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762070215] [2022-11-18 19:43:00,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:00,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:43:00,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:43:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:43:00,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:43:00,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:00,244 INFO L85 PathProgramCache]: Analyzing trace with hash -2003257779, now seen corresponding path program 4 times [2022-11-18 19:43:00,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:00,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033944915] [2022-11-18 19:43:00,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:00,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:01,898 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 19:43:01,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:43:01,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033944915] [2022-11-18 19:43:01,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033944915] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:43:01,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924635482] [2022-11-18 19:43:01,899 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 19:43:01,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:43:01,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:43:01,903 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:43:01,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2022-11-18 19:43:02,061 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 19:43:02,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:43:02,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-18 19:43:02,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:43:02,160 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 19:43:02,390 INFO L321 Elim1Store]: treesize reduction 20, result has 37.5 percent of original size [2022-11-18 19:43:02,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 32 [2022-11-18 19:43:02,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2022-11-18 19:43:03,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 31 [2022-11-18 19:43:03,272 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-18 19:43:03,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 29 [2022-11-18 19:43:03,281 INFO L350 Elim1Store]: Elim1 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 17 treesize of output 13 [2022-11-18 19:43:03,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-18 19:43:03,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-18 19:43:03,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-18 19:43:03,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-18 19:43:03,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-11-18 19:43:03,984 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-18 19:43:03,984 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:43:06,445 INFO L321 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2022-11-18 19:43:06,446 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 256 treesize of output 140 [2022-11-18 19:43:06,500 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-18 19:43:06,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 231 treesize of output 219 [2022-11-18 19:43:06,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 19:43:06,525 INFO L350 Elim1Store]: Elim1 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 148 treesize of output 142 [2022-11-18 19:43:06,564 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-18 19:43:06,564 INFO L350 Elim1Store]: Elim1 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 142 treesize of output 128 [2022-11-18 19:43:06,772 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 36 refuted. 10 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 19:43:06,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924635482] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:43:06,773 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:43:06,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 38 [2022-11-18 19:43:06,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187411094] [2022-11-18 19:43:06,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:43:07,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:43:07,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-18 19:43:07,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=1146, Unknown=15, NotChecked=0, Total=1406 [2022-11-18 19:43:07,466 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. cyclomatic complexity: 9 Second operand has 38 states, 38 states have (on average 1.7105263157894737) internal successors, (65), 38 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:11,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:43:11,587 INFO L93 Difference]: Finished difference Result 97 states and 106 transitions. [2022-11-18 19:43:11,587 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 97 states and 106 transitions. [2022-11-18 19:43:11,591 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 26 [2022-11-18 19:43:11,592 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 97 states to 75 states and 82 transitions. [2022-11-18 19:43:11,592 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 64 [2022-11-18 19:43:11,593 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 70 [2022-11-18 19:43:11,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 82 transitions. [2022-11-18 19:43:11,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 19:43:11,593 INFO L218 hiAutomatonCegarLoop]: Abstraction has 75 states and 82 transitions. [2022-11-18 19:43:11,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states and 82 transitions. [2022-11-18 19:43:11,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 44. [2022-11-18 19:43:11,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:11,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2022-11-18 19:43:11,602 INFO L240 hiAutomatonCegarLoop]: Abstraction has 44 states and 51 transitions. [2022-11-18 19:43:11,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-18 19:43:11,603 INFO L428 stractBuchiCegarLoop]: Abstraction has 44 states and 51 transitions. [2022-11-18 19:43:11,604 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-18 19:43:11,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 51 transitions. [2022-11-18 19:43:11,605 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2022-11-18 19:43:11,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:43:11,606 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:43:11,608 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 2, 2, 1, 1, 1, 1] [2022-11-18 19:43:11,608 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-18 19:43:11,608 INFO L748 eck$LassoCheckResult]: Stem: 1181#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1182#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 1190#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 1197#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 1196#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 1195#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 1193#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 1194#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 1224#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 1223#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 1222#L557-4 call test_fun_#t~mem9#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 1221#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 1201#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 1202#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 1191#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 1185#L557-3 [2022-11-18 19:43:11,609 INFO L750 eck$LassoCheckResult]: Loop: 1185#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 1186#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 1192#L557-4 call test_fun_#t~mem9#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 1183#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 1184#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 1185#L557-3 [2022-11-18 19:43:11,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:11,609 INFO L85 PathProgramCache]: Analyzing trace with hash -713568913, now seen corresponding path program 5 times [2022-11-18 19:43:11,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:11,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835553901] [2022-11-18 19:43:11,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:11,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:43:11,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:43:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:43:11,670 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:43:11,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:11,671 INFO L85 PathProgramCache]: Analyzing trace with hash 44950043, now seen corresponding path program 3 times [2022-11-18 19:43:11,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:11,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140264577] [2022-11-18 19:43:11,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:11,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:43:11,681 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:43:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:43:11,692 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:43:11,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:11,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1933358739, now seen corresponding path program 6 times [2022-11-18 19:43:11,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:11,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440714117] [2022-11-18 19:43:11,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:11,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:43:11,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:43:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:43:11,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:43:17,794 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:43:17,794 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:43:17,794 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:43:17,794 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:43:17,794 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:43:17,794 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:43:17,794 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:43:17,794 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:43:17,794 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.08-alloca.i_Iteration7_Lasso [2022-11-18 19:43:17,794 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:43:17,794 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:43:17,798 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:43:17,802 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:43:17,807 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:43:18,877 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:43:18,883 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:43:18,885 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:43:18,892 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:43:18,895 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:43:18,897 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:43:18,904 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:43:18,907 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:43:18,909 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:43:18,915 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:43:18,921 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:43:18,923 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:43:18,926 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:43:20,268 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:43:20,268 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:43:20,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:43:20,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:43:20,270 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:43:20,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-18 19:43:20,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:43:20,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:43:20,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:43:20,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:43:20,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:43:20,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:43:20,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:43:20,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:43:20,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:43:20,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-18 19:43:20,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:43:20,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:43:20,294 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:43:20,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-18 19:43:20,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:43:20,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:43:20,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:43:20,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:43:20,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:43:20,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:43:20,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:43:20,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:43:20,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2022-11-18 19:43:20,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:43:20,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:43:20,323 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:43:20,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-18 19:43:20,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:43:20,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:43:20,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:43:20,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:43:20,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:43:20,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:43:20,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:43:20,375 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:43:20,395 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-18 19:43:20,395 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-18 19:43:20,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:43:20,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:43:20,397 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:43:20,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-18 19:43:20,399 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:43:20,412 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 19:43:20,412 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:43:20,412 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~j_ref~0#1.base) ULTIMATE.start_test_fun_~j_ref~0#1.offset)_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~j_ref~0#1.base) ULTIMATE.start_test_fun_~j_ref~0#1.offset)_4 Supporting invariants [] [2022-11-18 19:43:20,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-18 19:43:20,512 INFO L156 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2022-11-18 19:43:20,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:20,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:43:20,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:43:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:20,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 19:43:20,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:43:20,953 INFO L321 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-11-18 19:43:20,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 46 [2022-11-18 19:43:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:43:21,215 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-11-18 19:43:21,215 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 51 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:21,256 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 51 transitions. cyclomatic complexity: 10. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 52 transitions. Complement of second has 5 states. [2022-11-18 19:43:21,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 19:43:21,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:21,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2022-11-18 19:43:21,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 15 letters. Loop has 5 letters. [2022-11-18 19:43:21,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:43:21,259 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 19:43:21,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:21,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:43:21,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:43:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:21,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 19:43:21,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:43:21,689 INFO L321 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-11-18 19:43:21,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 46 [2022-11-18 19:43:21,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:43:21,937 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2022-11-18 19:43:21,938 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 51 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:21,965 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 51 transitions. cyclomatic complexity: 10. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 52 transitions. Complement of second has 5 states. [2022-11-18 19:43:21,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 19:43:21,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:21,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2022-11-18 19:43:21,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 15 letters. Loop has 5 letters. [2022-11-18 19:43:21,978 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:43:21,978 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 19:43:22,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:22,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:43:22,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:43:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:22,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 19:43:22,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:43:22,375 INFO L321 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-11-18 19:43:22,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 46 [2022-11-18 19:43:22,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-18 19:43:22,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:43:22,650 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-11-18 19:43:22,650 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 51 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:22,767 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 51 transitions. cyclomatic complexity: 10. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 72 states and 81 transitions. Complement of second has 8 states. [2022-11-18 19:43:22,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-18 19:43:22,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:22,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2022-11-18 19:43:22,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 15 letters. Loop has 5 letters. [2022-11-18 19:43:22,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:43:22,773 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 19:43:22,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:22,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:43:22,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:43:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:22,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 19:43:22,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:43:23,162 INFO L321 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-11-18 19:43:23,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 46 [2022-11-18 19:43:23,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:43:23,414 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2022-11-18 19:43:23,414 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 51 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:23,506 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 51 transitions. cyclomatic complexity: 10. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 72 states and 81 transitions. Complement of second has 8 states. [2022-11-18 19:43:23,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-18 19:43:23,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:23,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2022-11-18 19:43:23,508 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 15 letters. Loop has 5 letters. [2022-11-18 19:43:23,508 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:43:23,508 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 19:43:23,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:23,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:43:23,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:43:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:23,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 19:43:23,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:43:23,956 INFO L321 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-11-18 19:43:23,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 46 [2022-11-18 19:43:24,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:43:24,195 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-11-18 19:43:24,196 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 44 states and 51 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:24,389 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 44 states and 51 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 215 states and 271 transitions. Complement of second has 28 states 7 powerset states21 rank states. The highest rank that occured is 5 [2022-11-18 19:43:24,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2022-11-18 19:43:24,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:43:24,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2022-11-18 19:43:24,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 15 letters. Loop has 5 letters. [2022-11-18 19:43:24,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:43:24,392 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 19:43:24,393 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineBuchiInternal(AbstractBuchiCegarLoop.java:663) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:404) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:157) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:341) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-18 19:43:24,398 INFO L158 Benchmark]: Toolchain (without parser) took 204187.07ms. Allocated memory was 92.3MB in the beginning and 161.5MB in the end (delta: 69.2MB). Free memory was 57.2MB in the beginning and 62.6MB in the end (delta: -5.4MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2022-11-18 19:43:24,398 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:43:24,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.91ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 61.9MB in the end (delta: -5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 19:43:24,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.81ms. Allocated memory is still 92.3MB. Free memory was 61.9MB in the beginning and 60.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:43:24,403 INFO L158 Benchmark]: Boogie Preprocessor took 37.87ms. Allocated memory is still 92.3MB. Free memory was 60.1MB in the beginning and 58.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:43:24,404 INFO L158 Benchmark]: RCFGBuilder took 453.39ms. Allocated memory is still 92.3MB. Free memory was 58.9MB in the beginning and 47.3MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 19:43:24,405 INFO L158 Benchmark]: BuchiAutomizer took 203043.39ms. Allocated memory was 92.3MB in the beginning and 161.5MB in the end (delta: 69.2MB). Free memory was 47.0MB in the beginning and 62.6MB in the end (delta: -15.5MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2022-11-18 19:43:24,411 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.91ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 61.9MB in the end (delta: -5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.81ms. Allocated memory is still 92.3MB. Free memory was 61.9MB in the beginning and 60.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.87ms. Allocated memory is still 92.3MB. Free memory was 60.1MB in the beginning and 58.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.39ms. Allocated memory is still 92.3MB. Free memory was 58.9MB in the beginning and 47.3MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 203043.39ms. Allocated memory was 92.3MB in the beginning and 161.5MB in the end (delta: 69.2MB). Free memory was 47.0MB in the beginning and 62.6MB in the end (delta: -15.5MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineBuchiInternal(AbstractBuchiCegarLoop.java:663) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-18 19:43:24,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2022-11-18 19:43:24,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2022-11-18 19:43:24,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9abe5bc3-cfb3-4640-9a0f-27d31f33a1a1/bin/uautomizer-TMbwUNV5ro/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient