./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/matrix-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/matrix-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 484b00968af178bafd1c632864ac68eeb543ca8851deb47f0795724cfa80a660 --- 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-dbf71c6-m [2022-10-17 10:30:28,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:30:28,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:30:28,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:30:28,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:30:28,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:30:28,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:30:28,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:30:28,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:30:28,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:30:28,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:30:28,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:30:28,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:30:28,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:30:28,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:30:28,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:30:28,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:30:28,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:30:28,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:30:28,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:30:28,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:30:28,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:30:28,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:30:28,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:30:28,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:30:28,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:30:28,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:30:28,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:30:28,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:30:28,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:30:28,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:30:28,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:30:28,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:30:28,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:30:28,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:30:28,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:30:28,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:30:28,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:30:28,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:30:28,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:30:28,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:30:28,434 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:30:28,489 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:30:28,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:30:28,489 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:30:28,490 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:30:28,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:30:28,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:30:28,491 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:30:28,491 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:30:28,491 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:30:28,492 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:30:28,492 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:30:28,492 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:30:28,492 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:30:28,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:30:28,493 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:30:28,493 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:30:28,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:30:28,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:30:28,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:30:28,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:30:28,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:30:28,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:30:28,494 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:30:28,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:30:28,495 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:30:28,495 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:30:28,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:30:28,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:30:28,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:30:28,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:30:28,496 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:30:28,497 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:30:28,497 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_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484b00968af178bafd1c632864ac68eeb543ca8851deb47f0795724cfa80a660 [2022-10-17 10:30:28,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:30:28,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:30:28,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:30:28,799 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:30:28,800 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:30:28,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/loops/matrix-1.c [2022-10-17 10:30:28,893 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/data/0287523f2/f5a09ba3b5684e4a82ce62c6d0cd69df/FLAG40491d903 [2022-10-17 10:30:29,533 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:30:29,534 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/sv-benchmarks/c/loops/matrix-1.c [2022-10-17 10:30:29,539 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/data/0287523f2/f5a09ba3b5684e4a82ce62c6d0cd69df/FLAG40491d903 [2022-10-17 10:30:29,853 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/data/0287523f2/f5a09ba3b5684e4a82ce62c6d0cd69df [2022-10-17 10:30:29,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:30:29,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:30:29,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:30:29,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:30:29,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:30:29,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:30:29" (1/1) ... [2022-10-17 10:30:29,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5bc381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:29, skipping insertion in model container [2022-10-17 10:30:29,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:30:29" (1/1) ... [2022-10-17 10:30:29,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:30:29,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:30:30,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/sv-benchmarks/c/loops/matrix-1.c[320,333] [2022-10-17 10:30:30,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:30:30,054 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:30:30,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/sv-benchmarks/c/loops/matrix-1.c[320,333] [2022-10-17 10:30:30,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:30:30,090 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:30:30,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:30 WrapperNode [2022-10-17 10:30:30,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:30:30,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:30:30,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:30:30,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:30:30,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:30" (1/1) ... [2022-10-17 10:30:30,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:30" (1/1) ... [2022-10-17 10:30:30,131 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2022-10-17 10:30:30,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:30:30,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:30:30,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:30:30,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:30:30,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:30" (1/1) ... [2022-10-17 10:30:30,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:30" (1/1) ... [2022-10-17 10:30:30,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:30" (1/1) ... [2022-10-17 10:30:30,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:30" (1/1) ... [2022-10-17 10:30:30,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:30" (1/1) ... [2022-10-17 10:30:30,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:30" (1/1) ... [2022-10-17 10:30:30,164 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:30" (1/1) ... [2022-10-17 10:30:30,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:30" (1/1) ... [2022-10-17 10:30:30,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:30:30,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:30:30,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:30:30,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:30:30,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:30" (1/1) ... [2022-10-17 10:30:30,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:30,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:30,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:30,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:30:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:30:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:30:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:30:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:30:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:30:30,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:30:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:30:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:30:30,330 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:30:30,332 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:30:30,540 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:30:30,547 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:30:30,547 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:30:30,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:30:30 BoogieIcfgContainer [2022-10-17 10:30:30,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:30:30,550 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:30:30,550 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:30:30,555 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:30:30,556 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:30:30,556 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:30:29" (1/3) ... [2022-10-17 10:30:30,557 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44802bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:30:30, skipping insertion in model container [2022-10-17 10:30:30,557 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:30:30,557 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:30" (2/3) ... [2022-10-17 10:30:30,558 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44802bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:30:30, skipping insertion in model container [2022-10-17 10:30:30,558 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:30:30,558 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:30:30" (3/3) ... [2022-10-17 10:30:30,559 INFO L332 chiAutomizerObserver]: Analyzing ICFG matrix-1.c [2022-10-17 10:30:30,626 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:30:30,626 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:30:30,627 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:30:30,627 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:30:30,627 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:30:30,627 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:30:30,628 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:30:30,628 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:30:30,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:30,691 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-10-17 10:30:30,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:30,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:30,697 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:30:30,697 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-10-17 10:30:30,697 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:30:30,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:30,706 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-10-17 10:30:30,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:30,707 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:30,708 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:30:30,708 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-10-17 10:30:30,717 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;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post6#1, main_#t~post5#1, main_#t~mem10#1, main_~N_LIN~0#1, main_~N_COL~0#1, main_~j~0#1, main_~k~0#1, main_~#matriz~0#1.base, main_~#matriz~0#1.offset, main_~maior~0#1;main_~N_LIN~0#1 := 1;main_~N_COL~0#1 := 1;havoc main_~j~0#1;havoc main_~k~0#1;call main_~#matriz~0#1.base, main_~#matriz~0#1.offset := #Ultimate.allocOnStack(4 * (if main_~N_LIN~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~N_LIN~0#1 % 4294967296 % 4294967296 else main_~N_LIN~0#1 % 4294967296 % 4294967296 - 4294967296) * (if main_~N_COL~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~N_COL~0#1 % 4294967296 % 4294967296 else main_~N_COL~0#1 % 4294967296 % 4294967296 - 4294967296));havoc main_~maior~0#1;main_~maior~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 0; 3#L21-3true [2022-10-17 10:30:30,719 INFO L750 eck$LassoCheckResult]: Loop: 3#L21-3true assume !!(main_~j~0#1 % 4294967296 < main_~N_COL~0#1 % 4294967296);main_~k~0#1 := 0; 12#L22-3true assume !(main_~k~0#1 % 4294967296 < main_~N_LIN~0#1 % 4294967296); 13#L21-2true main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3#L21-3true [2022-10-17 10:30:30,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:30,733 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-10-17 10:30:30,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:30,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054766302] [2022-10-17 10:30:30,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:30,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:30,858 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:30:30,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1777100554] [2022-10-17 10:30:30,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:30,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:30:30,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:30,864 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:30:30,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-17 10:30:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:30,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:30,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:30,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:30,964 INFO L85 PathProgramCache]: Analyzing trace with hash 39926, now seen corresponding path program 1 times [2022-10-17 10:30:30,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:30,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707728905] [2022-10-17 10:30:30,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:30,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:30,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:31,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:31,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:31,044 INFO L85 PathProgramCache]: Analyzing trace with hash 28698868, now seen corresponding path program 1 times [2022-10-17 10:30:31,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:31,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619059338] [2022-10-17 10:30:31,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:31,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:31,058 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:30:31,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1927277344] [2022-10-17 10:30:31,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:31,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:30:31,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:31,080 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:30:31,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-17 10:30:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:31,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 10:30:31,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:31,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:31,255 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:30:31,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:31,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619059338] [2022-10-17 10:30:31,255 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 10:30:31,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927277344] [2022-10-17 10:30:31,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927277344] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:31,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:31,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:30:31,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759977917] [2022-10-17 10:30:31,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:31,312 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:30:31,313 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:30:31,313 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:30:31,313 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:30:31,313 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:30:31,313 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:31,313 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:30:31,314 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:30:31,314 INFO L133 ssoRankerPreferences]: Filename of dumped script: matrix-1.c_Iteration1_Loop [2022-10-17 10:30:31,314 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:30:31,314 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:30:31,330 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:31,347 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:31,358 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:31,666 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:30:31,666 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:30:31,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:31,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:31,675 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:31,680 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:30:31,680 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:30:31,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:30:31,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:31,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:31,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:31,745 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:31,752 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:30:31,753 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:30:31,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:30:31,817 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:30:31,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:31,825 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:30:31,826 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:30:31,826 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:30:31,826 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:30:31,826 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:30:31,826 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:31,826 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:30:31,827 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:30:31,827 INFO L133 ssoRankerPreferences]: Filename of dumped script: matrix-1.c_Iteration1_Loop [2022-10-17 10:30:31,827 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:30:31,827 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:30:31,829 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:31,842 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:31,846 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:32,106 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:30:32,111 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:30:32,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:32,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:32,114 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:32,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:32,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:32,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:32,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:32,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:32,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:32,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:32,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:32,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:30:32,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:32,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:32,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:32,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:32,193 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:32,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:32,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:30:32,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:32,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:32,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:32,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:32,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:32,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:32,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:32,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:32,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-10-17 10:30:32,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:32,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:32,263 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:32,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:32,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:30:32,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:32,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:32,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:32,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:32,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:32,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:32,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:32,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:32,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:32,341 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-10-17 10:30:32,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:32,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:32,343 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:32,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:32,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:32,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:32,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:32,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:32,360 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-10-17 10:30:32,365 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-10-17 10:30:32,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:32,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:30:32,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:32,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:32,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:32,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:32,423 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:32,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-10-17 10:30:32,425 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 [2022-10-17 10:30:32,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:32,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:32,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:32,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:32,433 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-10-17 10:30:32,435 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-10-17 10:30:32,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:32,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:32,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:32,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:32,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:32,492 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:32,503 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 [2022-10-17 10:30:32,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:32,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:32,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:32,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:32,513 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-10-17 10:30:32,517 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-10-17 10:30:32,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:32,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-10-17 10:30:32,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:32,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:32,571 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-10-17 10:30:32,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:32,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:32,574 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:32,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-10-17 10:30:32,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:32,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:32,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:32,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:32,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:32,587 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-10-17 10:30:32,593 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:30:32,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:32,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:32,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:32,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:32,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:32,655 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:32,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:32,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:32,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:32,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:32,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:32,672 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-10-17 10:30:32,673 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:30:32,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:32,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-10-17 10:30:32,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:32,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:32,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:32,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:32,733 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:32,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-10-17 10:30:32,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:32,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:32,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:32,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:32,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:32,750 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-10-17 10:30:32,764 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:30:32,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:32,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:32,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:32,792 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-10-17 10:30:32,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:32,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:32,793 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:32,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-10-17 10:30:32,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:32,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:32,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:32,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:32,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:32,806 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-10-17 10:30:32,811 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-10-17 10:30:32,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:32,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:32,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:32,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:32,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:32,873 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:32,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:32,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:32,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:32,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:32,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:32,888 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-10-17 10:30:32,889 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-10-17 10:30:32,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:32,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-10-17 10:30:32,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:32,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:32,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:32,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:32,945 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:32,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:32,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:32,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:32,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:32,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:32,962 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-10-17 10:30:32,967 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-10-17 10:30:32,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:32,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-10-17 10:30:32,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:33,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:33,020 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-10-17 10:30:33,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:33,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:33,023 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:33,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:33,039 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-10-17 10:30:33,040 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-10-17 10:30:33,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:33,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:33,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:33,040 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-10-17 10:30:33,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-10-17 10:30:33,071 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-10-17 10:30:33,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:33,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:33,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:33,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:33,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:33,107 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:33,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:33,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-10-17 10:30:33,120 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-10-17 10:30:33,120 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-10-17 10:30:33,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:33,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:33,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:33,120 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-10-17 10:30:33,122 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-10-17 10:30:33,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:33,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:33,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:33,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:33,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:33,175 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:33,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-10-17 10:30:33,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:33,199 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-10-17 10:30:33,199 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-10-17 10:30:33,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:33,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:33,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:33,200 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-10-17 10:30:33,204 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-10-17 10:30:33,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:33,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:33,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:33,261 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-10-17 10:30:33,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:33,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:33,263 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:33,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:33,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-10-17 10:30:33,281 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-10-17 10:30:33,282 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-10-17 10:30:33,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:33,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:33,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:33,282 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-10-17 10:30:33,290 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:30:33,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:33,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:33,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:33,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:33,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:33,355 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:33,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:33,385 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-10-17 10:30:33,385 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-10-17 10:30:33,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:33,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:33,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:33,386 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-10-17 10:30:33,388 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:30:33,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:33,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-10-17 10:30:33,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:33,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:33,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:33,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:33,451 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:33,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:33,487 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-10-17 10:30:33,488 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-10-17 10:30:33,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:33,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:33,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:33,488 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-10-17 10:30:33,495 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:30:33,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:33,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-10-17 10:30:33,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:33,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:33,559 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-10-17 10:30:33,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:33,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:33,563 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:33,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:33,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-10-17 10:30:33,581 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-10-17 10:30:33,581 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-10-17 10:30:33,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:33,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:33,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:33,582 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-10-17 10:30:33,590 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-10-17 10:30:33,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:33,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:33,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:33,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:33,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:33,659 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:33,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:33,671 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-10-17 10:30:33,671 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-10-17 10:30:33,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:33,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:33,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:33,672 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-10-17 10:30:33,674 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-10-17 10:30:33,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:33,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-10-17 10:30:33,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:33,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:33,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:33,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:33,738 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:33,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:33,750 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-10-17 10:30:33,750 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-10-17 10:30:33,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:33,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:33,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:33,751 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-10-17 10:30:33,757 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-10-17 10:30:33,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:33,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-10-17 10:30:33,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:33,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:33,821 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-10-17 10:30:33,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:33,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:33,822 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:33,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:33,833 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-10-17 10:30:33,834 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-10-17 10:30:33,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:33,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:33,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:33,834 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-10-17 10:30:33,838 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:30:33,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:33,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-10-17 10:30:33,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:33,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:33,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:33,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:33,888 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:33,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:33,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-10-17 10:30:33,901 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-10-17 10:30:33,901 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-10-17 10:30:33,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:33,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:33,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:33,902 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-10-17 10:30:33,904 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:30:33,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:33,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:33,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:33,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:33,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:33,952 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:33,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:33,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-10-17 10:30:33,968 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-10-17 10:30:33,968 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-10-17 10:30:33,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:33,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:33,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:33,969 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-10-17 10:30:33,972 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:30:33,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:33,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:34,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:34,028 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-10-17 10:30:34,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:34,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,035 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:34,054 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-10-17 10:30:34,054 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-10-17 10:30:34,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:34,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:34,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:34,055 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-10-17 10:30:34,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:34,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:34,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-10-17 10:30:34,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:34,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:34,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:34,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,120 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:34,132 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-10-17 10:30:34,132 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-10-17 10:30:34,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:34,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:34,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:34,132 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-10-17 10:30:34,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:34,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:34,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-10-17 10:30:34,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:34,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:34,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:34,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,198 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:30:34,210 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-10-17 10:30:34,210 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-10-17 10:30:34,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:34,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:34,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:34,210 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-10-17 10:30:34,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:34,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:34,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-10-17 10:30:34,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:34,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:34,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:34,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:30:34,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:30:34,326 INFO L87 Difference]: Start difference. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-10-17 10:30:34,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:34,412 INFO L93 Difference]: Finished difference Result 22 states and 27 transitions. [2022-10-17 10:30:34,413 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2022-10-17 10:30:34,415 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-10-17 10:30:34,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 15 states and 20 transitions. [2022-10-17 10:30:34,421 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-10-17 10:30:34,421 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-10-17 10:30:34,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2022-10-17 10:30:34,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:30:34,422 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-10-17 10:30:34,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2022-10-17 10:30:34,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 9. [2022-10-17 10:30:34,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:34,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2022-10-17 10:30:34,453 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-10-17 10:30:34,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:30:34,465 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-10-17 10:30:34,465 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:30:34,466 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2022-10-17 10:30:34,467 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-10-17 10:30:34,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:34,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:34,468 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-10-17 10:30:34,468 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-10-17 10:30:34,469 INFO L748 eck$LassoCheckResult]: Stem: 64#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 65#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post6#1, main_#t~post5#1, main_#t~mem10#1, main_~N_LIN~0#1, main_~N_COL~0#1, main_~j~0#1, main_~k~0#1, main_~#matriz~0#1.base, main_~#matriz~0#1.offset, main_~maior~0#1;main_~N_LIN~0#1 := 1;main_~N_COL~0#1 := 1;havoc main_~j~0#1;havoc main_~k~0#1;call main_~#matriz~0#1.base, main_~#matriz~0#1.offset := #Ultimate.allocOnStack(4 * (if main_~N_LIN~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~N_LIN~0#1 % 4294967296 % 4294967296 else main_~N_LIN~0#1 % 4294967296 % 4294967296 - 4294967296) * (if main_~N_COL~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~N_COL~0#1 % 4294967296 % 4294967296 else main_~N_COL~0#1 % 4294967296 % 4294967296 - 4294967296));havoc main_~maior~0#1;main_~maior~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 0; 70#L21-3 assume !!(main_~j~0#1 % 4294967296 < main_~N_COL~0#1 % 4294967296);main_~k~0#1 := 0; 66#L22-3 assume !!(main_~k~0#1 % 4294967296 < main_~N_LIN~0#1 % 4294967296);call write~int(main_#t~nondet7#1, main_~#matriz~0#1.base, main_~#matriz~0#1.offset + (if main_~j~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~j~0#1 % 4294967296 % 4294967296 else main_~j~0#1 % 4294967296 % 4294967296 - 4294967296) * (4 * (if main_~N_LIN~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~N_LIN~0#1 % 4294967296 % 4294967296 else main_~N_LIN~0#1 % 4294967296 % 4294967296 - 4294967296)) + 4 * (if main_~k~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~k~0#1 % 4294967296 % 4294967296 else main_~k~0#1 % 4294967296 % 4294967296 - 4294967296), 4);havoc main_#t~nondet7#1;call main_#t~mem8#1 := read~int(main_~#matriz~0#1.base, main_~#matriz~0#1.offset + (if main_~j~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~j~0#1 % 4294967296 % 4294967296 else main_~j~0#1 % 4294967296 % 4294967296 - 4294967296) * (4 * (if main_~N_LIN~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~N_LIN~0#1 % 4294967296 % 4294967296 else main_~N_LIN~0#1 % 4294967296 % 4294967296 - 4294967296)) + 4 * (if main_~k~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~k~0#1 % 4294967296 % 4294967296 else main_~k~0#1 % 4294967296 % 4294967296 - 4294967296), 4); 67#L26 [2022-10-17 10:30:34,479 INFO L750 eck$LassoCheckResult]: Loop: 67#L26 assume main_#t~mem8#1 >= main_~maior~0#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#matriz~0#1.base, main_~#matriz~0#1.offset + (if main_~j~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~j~0#1 % 4294967296 % 4294967296 else main_~j~0#1 % 4294967296 % 4294967296 - 4294967296) * (4 * (if main_~N_LIN~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~N_LIN~0#1 % 4294967296 % 4294967296 else main_~N_LIN~0#1 % 4294967296 % 4294967296 - 4294967296)) + 4 * (if main_~k~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~k~0#1 % 4294967296 % 4294967296 else main_~k~0#1 % 4294967296 % 4294967296 - 4294967296), 4);main_~maior~0#1 := main_#t~mem9#1;havoc main_#t~mem9#1; 69#L22-2 main_#t~post6#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 63#L22-3 assume !!(main_~k~0#1 % 4294967296 < main_~N_LIN~0#1 % 4294967296);call write~int(main_#t~nondet7#1, main_~#matriz~0#1.base, main_~#matriz~0#1.offset + (if main_~j~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~j~0#1 % 4294967296 % 4294967296 else main_~j~0#1 % 4294967296 % 4294967296 - 4294967296) * (4 * (if main_~N_LIN~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~N_LIN~0#1 % 4294967296 % 4294967296 else main_~N_LIN~0#1 % 4294967296 % 4294967296 - 4294967296)) + 4 * (if main_~k~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~k~0#1 % 4294967296 % 4294967296 else main_~k~0#1 % 4294967296 % 4294967296 - 4294967296), 4);havoc main_#t~nondet7#1;call main_#t~mem8#1 := read~int(main_~#matriz~0#1.base, main_~#matriz~0#1.offset + (if main_~j~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~j~0#1 % 4294967296 % 4294967296 else main_~j~0#1 % 4294967296 % 4294967296 - 4294967296) * (4 * (if main_~N_LIN~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~N_LIN~0#1 % 4294967296 % 4294967296 else main_~N_LIN~0#1 % 4294967296 % 4294967296 - 4294967296)) + 4 * (if main_~k~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~k~0#1 % 4294967296 % 4294967296 else main_~k~0#1 % 4294967296 % 4294967296 - 4294967296), 4); 67#L26 [2022-10-17 10:30:34,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:34,482 INFO L85 PathProgramCache]: Analyzing trace with hash 925771, now seen corresponding path program 1 times [2022-10-17 10:30:34,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:34,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606274391] [2022-10-17 10:30:34,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:34,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:34,503 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:30:34,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1978584463] [2022-10-17 10:30:34,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:34,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:30:34,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,512 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-10-17 10:30:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:34,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:34,609 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:34,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:34,612 INFO L85 PathProgramCache]: Analyzing trace with hash 50765, now seen corresponding path program 1 times [2022-10-17 10:30:34,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:34,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414830151] [2022-10-17 10:30:34,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:34,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:34,631 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:30:34,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1351363594] [2022-10-17 10:30:34,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:34,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:30:34,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,636 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-10-17 10:30:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:34,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:34,708 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:34,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:34,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1809861059, now seen corresponding path program 1 times [2022-10-17 10:30:34,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:34,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066198952] [2022-10-17 10:30:34,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:34,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:34,729 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:30:34,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1133510374] [2022-10-17 10:30:34,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:34,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:30:34,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:34,735 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:30:34,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec89d04-3236-4865-936e-ebfd214c5e37/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-10-17 10:30:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:34,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 10:30:34,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:34,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:34,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:30:34,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:34,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:34,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066198952] [2022-10-17 10:30:34,899 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 10:30:34,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133510374] [2022-10-17 10:30:34,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133510374] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:30:34,900 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-17 10:30:34,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2022-10-17 10:30:34,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145160700] [2022-10-17 10:30:34,901 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton