./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label27.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label27.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 4ceae147c0993f09d1996333054d05cdb50149b89c2ec286f40c2e532c4f5e1a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:51:07,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:51:07,623 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:51:07,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:51:07,635 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:51:07,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:51:07,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:51:07,677 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:51:07,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:51:07,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:51:07,685 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:51:07,686 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:51:07,687 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:51:07,688 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:51:07,689 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:51:07,689 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:51:07,690 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:51:07,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:51:07,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:51:07,692 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:51:07,692 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:51:07,693 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:51:07,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:51:07,694 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:51:07,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:51:07,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:51:07,696 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:51:07,696 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:51:07,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:51:07,697 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:51:07,698 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:51:07,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:51:07,699 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:51:07,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:51:07,700 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:51:07,701 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:51:07,701 INFO L153 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_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ceae147c0993f09d1996333054d05cdb50149b89c2ec286f40c2e532c4f5e1a [2023-11-19 07:51:08,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:51:08,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:51:08,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:51:08,104 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:51:08,105 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:51:08,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/eca-rers2012/Problem01_label27.c [2023-11-19 07:51:11,269 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:51:11,596 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:51:11,598 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/sv-benchmarks/c/eca-rers2012/Problem01_label27.c [2023-11-19 07:51:11,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/data/8456735fb/bad1d5352a9c4ff38df49b02ccaa2404/FLAG029994cb4 [2023-11-19 07:51:11,638 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/data/8456735fb/bad1d5352a9c4ff38df49b02ccaa2404 [2023-11-19 07:51:11,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:51:11,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:51:11,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:51:11,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:51:11,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:51:11,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:51:11" (1/1) ... [2023-11-19 07:51:11,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787bf2a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:11, skipping insertion in model container [2023-11-19 07:51:11,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:51:11" (1/1) ... [2023-11-19 07:51:11,706 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:51:12,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:51:12,205 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:51:12,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:51:12,391 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:51:12,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:12 WrapperNode [2023-11-19 07:51:12,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:51:12,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:51:12,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:51:12,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:51:12,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:12" (1/1) ... [2023-11-19 07:51:12,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:12" (1/1) ... [2023-11-19 07:51:12,495 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 657 [2023-11-19 07:51:12,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:51:12,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:51:12,497 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:51:12,497 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:51:12,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:12" (1/1) ... [2023-11-19 07:51:12,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:12" (1/1) ... [2023-11-19 07:51:12,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:12" (1/1) ... [2023-11-19 07:51:12,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:12" (1/1) ... [2023-11-19 07:51:12,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:12" (1/1) ... [2023-11-19 07:51:12,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:12" (1/1) ... [2023-11-19 07:51:12,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:12" (1/1) ... [2023-11-19 07:51:12,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:12" (1/1) ... [2023-11-19 07:51:12,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:51:12,648 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:51:12,648 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:51:12,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:51:12,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:12" (1/1) ... [2023-11-19 07:51:12,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:12,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:12,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:12,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:51:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:51:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:51:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:51:12,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:51:12,874 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:51:12,878 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:51:14,203 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:51:14,216 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:51:14,216 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:51:14,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:14 BoogieIcfgContainer [2023-11-19 07:51:14,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:51:14,224 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:51:14,224 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:51:14,229 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:51:14,230 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:51:14,230 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:51:11" (1/3) ... [2023-11-19 07:51:14,231 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cec2593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:51:14, skipping insertion in model container [2023-11-19 07:51:14,231 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:51:14,231 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:12" (2/3) ... [2023-11-19 07:51:14,232 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cec2593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:51:14, skipping insertion in model container [2023-11-19 07:51:14,232 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:51:14,232 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:14" (3/3) ... [2023-11-19 07:51:14,233 INFO L332 chiAutomizerObserver]: Analyzing ICFG Problem01_label27.c [2023-11-19 07:51:14,306 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:51:14,306 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:51:14,306 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:51:14,307 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:51:14,307 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:51:14,307 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:51:14,308 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:51:14,308 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:51:14,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 198 states, 197 states have (on average 1.6598984771573604) internal successors, (327), 197 states have internal predecessors, (327), 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) [2023-11-19 07:51:14,362 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 193 [2023-11-19 07:51:14,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:51:14,362 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:51:14,373 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:51:14,374 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-19 07:51:14,374 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:51:14,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 198 states, 197 states have (on average 1.6598984771573604) internal successors, (327), 197 states have internal predecessors, (327), 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) [2023-11-19 07:51:14,393 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 193 [2023-11-19 07:51:14,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:51:14,395 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:51:14,398 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:51:14,399 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-19 07:51:14,408 INFO L748 eck$LassoCheckResult]: Stem: 119#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(20, 2);call #Ultimate.allocInit(12, 3);~a~0 := 1;~d~0 := 4;~e~0 := 5;~f~0 := 6;~c~0 := 3;~b~0 := 2;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a17~0 := 1;~a7~0 := 0;~a20~0 := 1;~a8~0 := 15;~a12~0 := 8;~a16~0 := 5;~a21~0 := 1; 128#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 132#L593-2true [2023-11-19 07:51:14,408 INFO L750 eck$LassoCheckResult]: Loop: 132#L593-2true assume !false;havoc main_~input~0#1;havoc main_#t~nondet6#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 189#L598true assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 17#L41true assume (15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0;~a16~0 := 5;~a20~0 := 0;calculate_output_#res#1 := 24; 9#calculate_output_returnLabel#1true main_#t~ret7#1 := calculate_output_#res#1;havoc calculate_output_~input#1;havoc calculate_output_#in~input#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1;havoc main_~input~0#1; 132#L593-2true [2023-11-19 07:51:14,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:14,415 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-19 07:51:14,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:14,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914008473] [2023-11-19 07:51:14,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:14,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:14,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:14,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:14,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:14,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1268026, now seen corresponding path program 1 times [2023-11-19 07:51:14,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:14,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489402902] [2023-11-19 07:51:14,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:14,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:14,631 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:14,662 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:14,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:14,664 INFO L85 PathProgramCache]: Analyzing trace with hash 889695228, now seen corresponding path program 1 times [2023-11-19 07:51:14,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:14,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282979224] [2023-11-19 07:51:14,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:14,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:14,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:14,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:14,999 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:51:15,000 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:51:15,001 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:51:15,001 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:51:15,001 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:51:15,001 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:15,001 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:51:15,001 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:51:15,002 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem01_label27.c_Iteration1_Loop [2023-11-19 07:51:15,002 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:51:15,002 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:51:15,022 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:15,032 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:15,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:15,039 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:15,047 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:15,051 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:15,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:15,056 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:15,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:15,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:15,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:15,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:15,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:15,076 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:15,224 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:51:15,225 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:51:15,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:15,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:15,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:15,248 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:15,249 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:15,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:51:15,276 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:15,277 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_calculate_output_~input#1=0} Honda state: {ULTIMATE.start_calculate_output_~input#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:15,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:15,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:15,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:15,329 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:15,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:51:15,340 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:15,341 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:15,379 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:15,380 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a12~0=8} Honda state: {~a12~0=8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:15,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:15,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:15,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:15,405 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:15,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:51:15,412 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:15,412 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:15,433 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:15,433 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a17~0=1} Honda state: {~a17~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:15,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:15,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:15,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:15,459 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:15,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:51:15,467 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:15,467 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:15,489 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:15,489 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a16~0=5} Honda state: {~a16~0=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:15,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:15,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:15,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:15,507 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:15,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:51:15,509 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:15,509 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:15,522 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:15,523 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~output~0#1=24} Honda state: {ULTIMATE.start_main_~output~0#1=24} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:15,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:15,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:15,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:15,545 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:15,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:51:15,549 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:15,549 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:15,561 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:15,561 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_calculate_output_#in~input#1=0} Honda state: {ULTIMATE.start_calculate_output_#in~input#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:15,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-19 07:51:15,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:15,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:15,580 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:15,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:51:15,589 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:15,589 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:15,602 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:15,603 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret7#1=0} Honda state: {ULTIMATE.start_main_#t~ret7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:15,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:15,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:15,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:15,621 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:15,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:51:15,625 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:15,626 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:15,666 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:15,666 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~input~0#1=0} Honda state: {ULTIMATE.start_main_~input~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:15,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-19 07:51:15,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:15,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:15,694 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:15,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:51:15,696 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:15,696 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:15,713 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:15,713 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet6#1=0} Honda state: {ULTIMATE.start_main_#t~nondet6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:15,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:15,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:15,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:15,729 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:15,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:51:15,732 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:15,732 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:15,750 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:15,750 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a7~0=4} Honda state: {~a7~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:15,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:15,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:15,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:15,766 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:15,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 07:51:15,768 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:15,768 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:15,790 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:15,791 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a21~0=1} Honda state: {~a21~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:15,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-19 07:51:15,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:15,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:15,824 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:15,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 07:51:15,827 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:15,827 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:15,845 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:15,845 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_calculate_output_#res#1=24} Honda state: {ULTIMATE.start_calculate_output_#res#1=24} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:15,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:15,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:15,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:15,862 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:15,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 07:51:15,864 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:15,864 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:15,876 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:15,876 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a8~0=15} Honda state: {~a8~0=15} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:15,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:15,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:15,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:15,894 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:15,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 07:51:15,898 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:15,898 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:15,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:15,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:15,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:15,928 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:15,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 07:51:15,931 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:51:15,931 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:15,965 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:51:15,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-19 07:51:15,989 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:51:15,989 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:51:15,989 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:51:15,989 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:51:15,989 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:51:15,989 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:15,990 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:51:15,990 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:51:15,990 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem01_label27.c_Iteration1_Loop [2023-11-19 07:51:15,990 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:51:15,990 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:51:15,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:15,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:16,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:16,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:16,023 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:16,027 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:16,030 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:16,033 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:16,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:16,038 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:16,043 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:16,047 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:16,050 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:16,056 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:16,239 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:51:16,245 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:51:16,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:16,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:16,248 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:16,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:16,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 07:51:16,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:16,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:16,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:16,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:16,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:16,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:16,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:16,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:16,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:16,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:16,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:16,318 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:16,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:16,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 07:51:16,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:16,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:16,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:16,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:16,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:16,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:16,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:16,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:16,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:16,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:16,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:16,385 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:16,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 07:51:16,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:16,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:16,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:16,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:16,400 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 07:51:16,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:16,403 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-19 07:51:16,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:16,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:16,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:16,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:16,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:16,439 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:16,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:16,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:16,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:16,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:16,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:16,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:16,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 07:51:16,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:16,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:16,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:16,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:16,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:16,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:16,502 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:16,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:16,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:16,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:16,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:16,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:16,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:16,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:16,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:16,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 07:51:16,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:16,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:16,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:16,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:16,571 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:16,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:16,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:16,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:16,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:16,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:16,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:16,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:16,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:16,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 07:51:16,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:16,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:16,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:16,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:16,628 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:16,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:16,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 07:51:16,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:16,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:16,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:16,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:16,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:16,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:16,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:16,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:16,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:16,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:16,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:16,689 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:16,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:16,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 07:51:16,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:16,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:16,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:16,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:16,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:16,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:16,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:16,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:16,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-19 07:51:16,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:16,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:16,736 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:16,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 07:51:16,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:16,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:16,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:16,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:16,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:16,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:16,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:16,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:16,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:16,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:16,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:16,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:16,788 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:16,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:16,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:16,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:16,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:16,805 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 07:51:16,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:16,806 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-19 07:51:16,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:16,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-19 07:51:16,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:16,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:16,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:16,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:16,837 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:16,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:16,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:16,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:16,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:16,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:16,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:16,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:16,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:16,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-19 07:51:16,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:16,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:16,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:16,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:16,897 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:16,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:16,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-19 07:51:16,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:16,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:16,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:16,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:16,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:16,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:16,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:16,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:16,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:16,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:16,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:16,961 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:16,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:16,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-19 07:51:16,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:16,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:16,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:16,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:16,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:16,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:16,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:16,980 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:51:16,983 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-11-19 07:51:16,983 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:51:16,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:16,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:17,012 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:17,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-19 07:51:17,014 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:51:17,014 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:51:17,014 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:51:17,014 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a20~0) = 1*~a20~0 Supporting invariants [] [2023-11-19 07:51:17,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-19 07:51:17,032 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:51:17,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:17,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:51:17,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:17,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:51:17,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:17,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:51:17,204 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:51:17,206 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 198 states, 197 states have (on average 1.6598984771573604) internal successors, (327), 197 states have internal predecessors, (327), 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 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:51:17,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:18,033 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 198 states, 197 states have (on average 1.6598984771573604) internal successors, (327), 197 states have internal predecessors, (327), 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 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 788 states and 1205 transitions. Complement of second has 6 states. [2023-11-19 07:51:18,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:51:18,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:51:18,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 625 transitions. [2023-11-19 07:51:18,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 625 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-19 07:51:18,043 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:51:18,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 625 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-19 07:51:18,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:51:18,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 625 transitions. Stem has 2 letters. Loop has 8 letters. [2023-11-19 07:51:18,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:51:18,045 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 788 states and 1205 transitions. [2023-11-19 07:51:18,058 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 324 [2023-11-19 07:51:18,068 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 788 states to 461 states and 681 transitions. [2023-11-19 07:51:18,069 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 327 [2023-11-19 07:51:18,071 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 329 [2023-11-19 07:51:18,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 461 states and 681 transitions. [2023-11-19 07:51:18,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:51:18,072 INFO L218 hiAutomatonCegarLoop]: Abstraction has 461 states and 681 transitions. [2023-11-19 07:51:18,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states and 681 transitions. [2023-11-19 07:51:18,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 459. [2023-11-19 07:51:18,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 459 states have (on average 1.4793028322440087) internal successors, (679), 458 states have internal predecessors, (679), 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) [2023-11-19 07:51:18,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 679 transitions. [2023-11-19 07:51:18,131 INFO L240 hiAutomatonCegarLoop]: Abstraction has 459 states and 679 transitions. [2023-11-19 07:51:18,131 INFO L428 stractBuchiCegarLoop]: Abstraction has 459 states and 679 transitions. [2023-11-19 07:51:18,131 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:51:18,131 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 459 states and 679 transitions. [2023-11-19 07:51:18,134 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 324 [2023-11-19 07:51:18,134 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:51:18,135 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:51:18,135 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-19 07:51:18,135 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:18,136 INFO L748 eck$LassoCheckResult]: Stem: 1319#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;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(20, 2);call #Ultimate.allocInit(12, 3);~a~0 := 1;~d~0 := 4;~e~0 := 5;~f~0 := 6;~c~0 := 3;~b~0 := 2;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a17~0 := 1;~a7~0 := 0;~a20~0 := 1;~a8~0 := 15;~a12~0 := 8;~a16~0 := 5;~a21~0 := 1; 1320#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 1333#L593-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet6#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 1340#L598 [2023-11-19 07:51:18,136 INFO L750 eck$LassoCheckResult]: Loop: 1340#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 1077#L41 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 1078#L45 assume !((((((5 == calculate_output_~input#1 && (((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0))) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && !(1 == ~a21~0)) && 13 == ~a8~0); 1104#L53 assume !((!(1 == ~a7~0) && ((6 == ~a16~0 && 1 == ~a21~0 && 1 == ~a17~0 && 3 == calculate_output_~input#1) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0); 1105#L59 assume 1 == ~a17~0 && (!(1 == ~a7~0) && (1 == ~a21~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 6 == calculate_output_~input#1) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0;~a8~0 := 13;~a7~0 := 1;~a16~0 := 4;calculate_output_#res#1 := -1; 1041#calculate_output_returnLabel#1 main_#t~ret7#1 := calculate_output_#res#1;havoc calculate_output_~input#1;havoc calculate_output_#in~input#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1;havoc main_~input~0#1; 1053#L593-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet6#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 1340#L598 [2023-11-19 07:51:18,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:18,137 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2023-11-19 07:51:18,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:18,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717314396] [2023-11-19 07:51:18,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:18,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:18,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:18,157 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:18,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:18,158 INFO L85 PathProgramCache]: Analyzing trace with hash -610794021, now seen corresponding path program 1 times [2023-11-19 07:51:18,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:18,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020669115] [2023-11-19 07:51:18,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:18,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:18,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:18,187 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:18,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:18,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1479452844, now seen corresponding path program 1 times [2023-11-19 07:51:18,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:18,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897729212] [2023-11-19 07:51:18,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:18,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:18,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:18,247 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:18,444 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:51:18,445 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:51:18,445 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:51:18,445 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:51:18,445 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:51:18,445 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:18,445 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:51:18,446 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:51:18,446 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem01_label27.c_Iteration2_Loop [2023-11-19 07:51:18,446 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:51:18,446 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:51:18,451 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,458 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,468 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,472 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,495 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,651 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:51:18,651 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:51:18,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:18,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:18,653 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:18,655 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:18,656 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:18,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-19 07:51:18,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:18,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:18,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:18,704 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:18,712 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:51:18,712 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:18,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-19 07:51:18,775 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:51:18,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:18,784 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:51:18,784 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:51:18,784 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:51:18,785 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:51:18,785 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:51:18,785 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:18,785 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:51:18,785 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:51:18,785 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem01_label27.c_Iteration2_Loop [2023-11-19 07:51:18,785 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:51:18,785 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:51:18,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,816 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,829 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:18,984 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:51:18,984 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:51:18,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:18,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:18,992 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:18,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:19,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:19,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:19,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:19,007 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 07:51:19,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:19,009 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-19 07:51:19,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:19,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-19 07:51:19,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:19,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-19 07:51:19,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:19,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:19,036 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:19,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-19 07:51:19,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:19,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:19,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:19,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:19,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:19,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:19,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:19,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:19,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:19,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:19,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:19,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:19,063 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:19,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:19,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-19 07:51:19,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:19,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:19,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:19,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:19,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:19,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:19,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:19,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:19,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:19,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:19,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:19,095 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:19,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-19 07:51:19,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:19,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:19,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:19,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:19,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:19,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:19,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:19,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:19,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:19,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-19 07:51:19,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:19,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:19,128 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:19,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-19 07:51:19,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:19,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:19,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:19,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:19,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:19,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:19,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:19,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:19,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:19,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-19 07:51:19,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:19,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:19,178 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:19,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-19 07:51:19,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:19,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:19,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:19,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:19,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:19,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:19,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:19,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:19,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:19,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:19,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:19,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:19,219 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:19,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-19 07:51:19,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:19,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:19,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:19,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:19,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:19,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:19,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:19,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:19,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:19,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-19 07:51:19,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:19,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:19,270 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:19,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-19 07:51:19,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:19,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:19,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:19,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:19,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:19,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:19,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:19,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:19,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:19,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:19,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:19,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:19,313 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:19,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-19 07:51:19,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:19,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:19,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:19,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:19,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:19,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:19,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:19,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:19,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:19,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-19 07:51:19,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:19,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:19,385 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:19,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-19 07:51:19,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:19,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:19,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:19,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:19,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:19,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:19,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:19,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:19,406 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:51:19,409 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:51:19,409 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-19 07:51:19,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:19,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:19,412 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:19,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-19 07:51:19,417 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:51:19,417 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:51:19,417 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:51:19,417 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a8~0) = 1*~a8~0 Supporting invariants [] [2023-11-19 07:51:19,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-19 07:51:19,431 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:51:19,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:19,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:51:19,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:19,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:51:19,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:19,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:51:19,552 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:51:19,553 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 459 states and 679 transitions. cyclomatic complexity: 223 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:51:19,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:20,162 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 459 states and 679 transitions. cyclomatic complexity: 223. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1571 states and 2220 transitions. Complement of second has 6 states. [2023-11-19 07:51:20,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:51:20,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:51:20,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 630 transitions. [2023-11-19 07:51:20,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 630 transitions. Stem has 3 letters. Loop has 7 letters. [2023-11-19 07:51:20,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:51:20,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 630 transitions. Stem has 10 letters. Loop has 7 letters. [2023-11-19 07:51:20,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:51:20,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 630 transitions. Stem has 3 letters. Loop has 14 letters. [2023-11-19 07:51:20,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:51:20,170 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1571 states and 2220 transitions. [2023-11-19 07:51:20,188 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 586 [2023-11-19 07:51:20,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1571 states to 1256 states and 1717 transitions. [2023-11-19 07:51:20,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 591 [2023-11-19 07:51:20,202 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 594 [2023-11-19 07:51:20,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1256 states and 1717 transitions. [2023-11-19 07:51:20,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:51:20,212 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1256 states and 1717 transitions. [2023-11-19 07:51:20,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states and 1717 transitions. [2023-11-19 07:51:20,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1253. [2023-11-19 07:51:20,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 1253 states have (on average 1.3679169992019153) internal successors, (1714), 1252 states have internal predecessors, (1714), 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) [2023-11-19 07:51:20,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1714 transitions. [2023-11-19 07:51:20,266 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1253 states and 1714 transitions. [2023-11-19 07:51:20,266 INFO L428 stractBuchiCegarLoop]: Abstraction has 1253 states and 1714 transitions. [2023-11-19 07:51:20,267 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:51:20,267 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1253 states and 1714 transitions. [2023-11-19 07:51:20,275 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 586 [2023-11-19 07:51:20,275 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:51:20,275 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:51:20,277 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 07:51:20,277 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:20,277 INFO L748 eck$LassoCheckResult]: Stem: 3416#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(20, 2);call #Ultimate.allocInit(12, 3);~a~0 := 1;~d~0 := 4;~e~0 := 5;~f~0 := 6;~c~0 := 3;~b~0 := 2;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a17~0 := 1;~a7~0 := 0;~a20~0 := 1;~a8~0 := 15;~a12~0 := 8;~a16~0 := 5;~a21~0 := 1; 3417#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 3433#L593-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet6#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 3876#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 3159#L41 [2023-11-19 07:51:20,278 INFO L750 eck$LassoCheckResult]: Loop: 3159#L41 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 3160#L45 assume !((((((5 == calculate_output_~input#1 && (((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0))) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && !(1 == ~a21~0)) && 13 == ~a8~0); 3188#L53 assume !((!(1 == ~a7~0) && ((6 == ~a16~0 && 1 == ~a21~0 && 1 == ~a17~0 && 3 == calculate_output_~input#1) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0); 3189#L59 assume !(1 == ~a17~0 && (!(1 == ~a7~0) && (1 == ~a21~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 6 == calculate_output_~input#1) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0); 3327#L64 assume !((3 == calculate_output_~input#1 && (((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a7~0) && !(1 == ~a17~0)) && 15 == ~a8~0) && 1 == ~a21~0) || (((13 == ~a8~0 && 1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 4 == ~a16~0) && !(1 == ~a21~0)))) && 8 == ~a12~0); 3256#L72 assume (1 == ~a17~0 && (1 == ~a21~0 && (!(1 == ~a7~0) && 4 == calculate_output_~input#1 && 15 == ~a8~0) && !(1 == ~a20~0)) && 8 == ~a12~0) && 6 == ~a16~0;~a17~0 := 0;calculate_output_#res#1 := 26; 3133#calculate_output_returnLabel#1 main_#t~ret7#1 := calculate_output_#res#1;havoc calculate_output_~input#1;havoc calculate_output_#in~input#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1;havoc main_~input~0#1; 3134#L593-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet6#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 3521#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 3159#L41 [2023-11-19 07:51:20,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:20,278 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2023-11-19 07:51:20,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:20,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367406379] [2023-11-19 07:51:20,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:20,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:20,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:20,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:20,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:20,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1383518462, now seen corresponding path program 1 times [2023-11-19 07:51:20,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:20,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312206980] [2023-11-19 07:51:20,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:20,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:20,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:20,360 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:20,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:20,361 INFO L85 PathProgramCache]: Analyzing trace with hash -103205769, now seen corresponding path program 1 times [2023-11-19 07:51:20,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:20,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859608645] [2023-11-19 07:51:20,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:20,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:20,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:51:20,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:20,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859608645] [2023-11-19 07:51:20,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859608645] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:51:20,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:51:20,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:51:20,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222062977] [2023-11-19 07:51:20,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:20,712 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:51:20,712 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:51:20,712 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:51:20,712 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:51:20,713 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:51:20,713 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:20,713 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:51:20,713 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:51:20,713 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem01_label27.c_Iteration3_Loop [2023-11-19 07:51:20,713 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:51:20,713 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:51:20,715 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:20,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:20,722 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:20,724 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:20,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:20,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:20,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:20,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:20,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:20,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:20,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:20,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:20,998 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:51:20,998 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:51:20,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:20,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:21,002 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:21,008 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:21,008 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:21,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-19 07:51:21,035 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:21,035 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a12~0=8} Honda state: {~a12~0=8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:21,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-11-19 07:51:21,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:21,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:21,047 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:21,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-19 07:51:21,049 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:21,049 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:21,067 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:21,067 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a8~0=15} Honda state: {~a8~0=15} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:21,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:21,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:21,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:21,084 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:21,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-19 07:51:21,086 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:21,086 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:21,098 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:21,098 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret7#1=0} Honda state: {ULTIMATE.start_main_#t~ret7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:21,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-19 07:51:21,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:21,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:21,111 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:21,116 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:21,116 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:21,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-19 07:51:21,129 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:21,129 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a21~0=1} Honda state: {~a21~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:21,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-19 07:51:21,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:21,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:21,143 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:21,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-19 07:51:21,145 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:21,145 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:21,169 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:21,169 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~input~0#1=4, ULTIMATE.start_calculate_output_~input#1=4, ULTIMATE.start_calculate_output_#in~input#1=4} Honda state: {ULTIMATE.start_main_~input~0#1=4, ULTIMATE.start_calculate_output_~input#1=4, ULTIMATE.start_calculate_output_#in~input#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:21,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-19 07:51:21,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:21,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:21,183 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:21,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-19 07:51:21,184 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:21,184 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:21,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:21,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:21,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:21,217 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:21,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-19 07:51:21,219 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:51:21,220 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:21,234 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:51:21,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:21,246 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:51:21,246 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:51:21,247 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:51:21,247 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:51:21,247 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:51:21,247 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:21,247 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:51:21,247 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:51:21,247 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem01_label27.c_Iteration3_Loop [2023-11-19 07:51:21,247 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:51:21,247 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:51:21,249 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:21,266 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:21,269 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:21,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:21,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:21,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:21,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:21,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:21,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:21,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:21,316 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:21,320 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:21,558 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:51:21,558 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:51:21,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:21,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:21,559 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:21,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-19 07:51:21,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:21,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:21,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:21,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:21,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:21,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:21,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:21,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:21,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:21,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-11-19 07:51:21,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:21,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:21,595 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:21,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-19 07:51:21,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:21,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:21,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:21,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:21,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:21,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:21,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:21,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:21,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:21,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:21,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:21,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:21,636 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:21,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-19 07:51:21,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:21,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:21,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:21,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:21,649 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2023-11-19 07:51:21,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:21,664 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-19 07:51:21,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:21,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:21,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:21,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:21,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:21,719 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:21,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:21,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:21,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:21,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:21,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:21,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:21,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:21,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:21,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-19 07:51:21,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:21,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-19 07:51:21,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:21,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:21,766 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:21,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-19 07:51:21,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:21,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:21,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:21,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:21,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:21,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:21,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:21,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:21,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:21,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-11-19 07:51:21,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:21,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:21,800 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:21,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-19 07:51:21,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:21,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:21,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:21,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:21,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:21,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:21,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:21,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:21,838 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:51:21,863 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:51:21,863 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-19 07:51:21,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:21,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:21,868 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:21,870 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:51:21,870 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:51:21,870 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:51:21,870 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a17~0) = 1*~a17~0 Supporting invariants [] [2023-11-19 07:51:21,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-19 07:51:21,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:21,890 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:51:21,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:21,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:51:21,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:21,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:51:21,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:21,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:51:21,990 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:51:21,990 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1253 states and 1714 transitions. cyclomatic complexity: 470 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:51:22,599 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1253 states and 1714 transitions. cyclomatic complexity: 470. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 4230 states and 5475 transitions. Complement of second has 6 states. [2023-11-19 07:51:22,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:51:22,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:51:22,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 608 transitions. [2023-11-19 07:51:22,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 608 transitions. Stem has 4 letters. Loop has 9 letters. [2023-11-19 07:51:22,604 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:51:22,604 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 608 transitions. Stem has 13 letters. Loop has 9 letters. [2023-11-19 07:51:22,605 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:51:22,605 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 608 transitions. Stem has 4 letters. Loop has 18 letters. [2023-11-19 07:51:22,609 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:51:22,610 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4230 states and 5475 transitions. [2023-11-19 07:51:22,649 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 1110 [2023-11-19 07:51:22,688 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4230 states to 3915 states and 4972 transitions. [2023-11-19 07:51:22,688 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1121 [2023-11-19 07:51:22,690 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1126 [2023-11-19 07:51:22,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3915 states and 4972 transitions. [2023-11-19 07:51:22,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:51:22,691 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3915 states and 4972 transitions. [2023-11-19 07:51:22,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3915 states and 4972 transitions. [2023-11-19 07:51:22,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3915 to 3908. [2023-11-19 07:51:22,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3908 states, 3908 states have (on average 1.2704708290685773) internal successors, (4965), 3907 states have internal predecessors, (4965), 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) [2023-11-19 07:51:22,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3908 states to 3908 states and 4965 transitions. [2023-11-19 07:51:22,782 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3908 states and 4965 transitions. [2023-11-19 07:51:22,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:22,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:51:22,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:51:22,788 INFO L87 Difference]: Start difference. First operand 3908 states and 4965 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:51:23,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:23,592 INFO L93 Difference]: Finished difference Result 7721 states and 9633 transitions. [2023-11-19 07:51:23,593 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7721 states and 9633 transitions. [2023-11-19 07:51:23,662 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 2096 [2023-11-19 07:51:23,720 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7721 states to 7660 states and 9531 transitions. [2023-11-19 07:51:23,720 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2108 [2023-11-19 07:51:23,723 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2108 [2023-11-19 07:51:23,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7660 states and 9531 transitions. [2023-11-19 07:51:23,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:51:23,729 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7660 states and 9531 transitions. [2023-11-19 07:51:23,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7660 states and 9531 transitions. [2023-11-19 07:51:23,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:23,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7660 to 7005. [2023-11-19 07:51:23,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7005 states, 7005 states have (on average 1.247822983583155) internal successors, (8741), 7004 states have internal predecessors, (8741), 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) [2023-11-19 07:51:23,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7005 states to 7005 states and 8741 transitions. [2023-11-19 07:51:23,950 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7005 states and 8741 transitions. [2023-11-19 07:51:23,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:51:23,951 INFO L428 stractBuchiCegarLoop]: Abstraction has 7005 states and 8741 transitions. [2023-11-19 07:51:23,951 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 07:51:23,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7005 states and 8741 transitions. [2023-11-19 07:51:23,984 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 1834 [2023-11-19 07:51:23,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:51:23,984 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:51:23,985 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 07:51:23,986 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:23,986 INFO L748 eck$LassoCheckResult]: Stem: 20390#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;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(20, 2);call #Ultimate.allocInit(12, 3);~a~0 := 1;~d~0 := 4;~e~0 := 5;~f~0 := 6;~c~0 := 3;~b~0 := 2;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a17~0 := 1;~a7~0 := 0;~a20~0 := 1;~a8~0 := 15;~a12~0 := 8;~a16~0 := 5;~a21~0 := 1; 20391#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 20438#L593-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet6#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 23249#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 23251#L41 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 20367#L45 [2023-11-19 07:51:23,987 INFO L750 eck$LassoCheckResult]: Loop: 20367#L45 assume !((((((5 == calculate_output_~input#1 && (((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0))) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && !(1 == ~a21~0)) && 13 == ~a8~0); 20409#L53 assume !((!(1 == ~a7~0) && ((6 == ~a16~0 && 1 == ~a21~0 && 1 == ~a17~0 && 3 == calculate_output_~input#1) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0); 20410#L59 assume !(1 == ~a17~0 && (!(1 == ~a7~0) && (1 == ~a21~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 6 == calculate_output_~input#1) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0); 20349#L64 assume !((3 == calculate_output_~input#1 && (((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a7~0) && !(1 == ~a17~0)) && 15 == ~a8~0) && 1 == ~a21~0) || (((13 == ~a8~0 && 1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 4 == ~a16~0) && !(1 == ~a21~0)))) && 8 == ~a12~0); 20351#L72 assume !((1 == ~a17~0 && (1 == ~a21~0 && (!(1 == ~a7~0) && 4 == calculate_output_~input#1 && 15 == ~a8~0) && !(1 == ~a20~0)) && 8 == ~a12~0) && 6 == ~a16~0); 20483#L75 assume !((8 == ~a12~0 && (1 == ~a21~0 && ((5 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 5 == ~a16~0) && !(1 == ~a20~0)) && !(1 == ~a17~0)); 20484#L82 assume !(8 == ~a12~0 && 1 == calculate_output_~input#1 && ((1 == ~a21~0 && (15 == ~a8~0 && (!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 6 == ~a16~0) || (!(1 == ~a21~0) && 4 == ~a16~0 && 13 == ~a8~0 && (1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0))); 20554#L90 assume !((((!(1 == ~a17~0) && !(1 == ~a7~0) && 1 == ~a21~0 && 15 == ~a8~0 && 4 == calculate_output_~input#1) && !(1 == ~a20~0)) && 8 == ~a12~0) && 4 == ~a16~0); 20600#L94 assume !(((((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a21~0) || ((4 == ~a16~0 && (1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 13 == ~a8~0) && !(1 == ~a21~0))) && 2 == calculate_output_~input#1) && 8 == ~a12~0); 20451#L102 assume !(13 == ~a8~0 && !(1 == ~a21~0) && ((3 == calculate_output_~input#1 && (((1 == ~a20~0 && !(1 == ~a17~0)) && 6 == ~a16~0) || ((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0))) && 8 == ~a12~0) && 1 == ~a7~0); 20452#L107 assume !(((1 == ~a21~0 && 8 == ~a12~0 && 1 == calculate_output_~input#1 && (((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0) || (5 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0) || (6 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0))) && !(1 == ~a7~0)) && 15 == ~a8~0); 20608#L112 assume !((5 == ~a16~0 && (1 == ~a7~0 && (!(1 == ~a21~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1) && 13 == ~a8~0) && 1 == ~a17~0) && 1 == ~a20~0); 20565#L118 assume !(1 == ~a17~0 && (15 == ~a8~0 && (8 == ~a12~0 && (!(1 == ~a7~0) && 5 == calculate_output_~input#1) && 1 == ~a21~0) && !(1 == ~a20~0)) && 5 == ~a16~0); 20532#L124 assume !(!(1 == ~a7~0) && (((1 == ~a21~0 && (15 == ~a8~0 && 5 == calculate_output_~input#1) && !(1 == ~a17~0)) && 8 == ~a12~0) && 1 == ~a20~0) && 4 == ~a16~0); 20533#L129 assume !((!(1 == ~a21~0) && (8 == ~a12~0 && ((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0)) && 1 == calculate_output_~input#1) && 13 == ~a8~0) && 1 == ~a7~0); 20592#L134 assume !(1 == ~a17~0 && !(1 == ~a7~0) && (1 == ~a21~0 && (8 == ~a12~0 && 5 == calculate_output_~input#1 && (5 == ~a16~0 || 6 == ~a16~0)) && 1 == ~a20~0) && 15 == ~a8~0); 20386#L139 assume !((8 == ~a12~0 && !(1 == ~a21~0) && 1 == ~a7~0 && 13 == ~a8~0 && 6 == calculate_output_~input#1 && (((6 == ~a16~0 && 1 == ~a17~0) || (4 == ~a16~0 && !(1 == ~a17~0))) || (5 == ~a16~0 && !(1 == ~a17~0)))) && 1 == ~a20~0); 20387#L146 assume !((5 == ~a16~0 && ((15 == ~a8~0 && (!(1 == ~a7~0) && 2 == calculate_output_~input#1) && 1 == ~a21~0) && 8 == ~a12~0) && !(1 == ~a20~0)) && !(1 == ~a17~0)); 20551#L150 assume !(!(1 == ~a20~0) && 1 == ~a21~0 && 4 == ~a16~0 && 15 == ~a8~0 && (8 == ~a12~0 && 2 == calculate_output_~input#1 && !(1 == ~a7~0)) && !(1 == ~a17~0)); 20561#L154 assume !((1 == ~a21~0 && !(1 == ~a7~0) && (!(1 == ~a20~0) && !(1 == ~a17~0) && 8 == ~a12~0 && 6 == calculate_output_~input#1) && 4 == ~a16~0) && 15 == ~a8~0); 20323#L158 assume !(1 == ~a17~0 && ((((8 == ~a12~0 && 4 == calculate_output_~input#1 && 13 == ~a8~0) && 1 == ~a20~0) && !(1 == ~a21~0)) && 5 == ~a16~0) && 1 == ~a7~0); 20324#L162 assume !(((13 == ~a8~0 && 8 == ~a12~0 && ((((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0)) && 1 == calculate_output_~input#1) && !(1 == ~a21~0)) && 1 == ~a20~0) && 1 == ~a7~0); 20406#L170 assume !(13 == ~a8~0 && !(1 == ~a21~0) && (((((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0))) && 5 == calculate_output_~input#1) && 1 == ~a7~0) && 8 == ~a12~0); 20282#L175 assume !((!(1 == ~a21~0) && ((((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0)) && 4 == calculate_output_~input#1) && 1 == ~a7~0) && 8 == ~a12~0) && 13 == ~a8~0); 20284#L183 assume !((1 == ~a21~0 && !(1 == ~a7~0) && ((((5 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0)) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0))) && 4 == calculate_output_~input#1) && 8 == ~a12~0) && 15 == ~a8~0); 20328#L188 assume !(((((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a21~0) || ((4 == ~a16~0 && ((1 == ~a7~0 && 1 == ~a17~0) && 1 == ~a20~0) && 13 == ~a8~0) && !(1 == ~a21~0))) && 4 == calculate_output_~input#1) && 8 == ~a12~0); 20330#L196 assume !(!(1 == ~a17~0) && (8 == ~a12~0 && !(1 == ~a20~0) && (15 == ~a8~0 && 1 == ~a21~0 && 4 == calculate_output_~input#1) && !(1 == ~a7~0)) && 5 == ~a16~0); 20460#L199 assume !(((!(1 == ~a7~0) && (2 == calculate_output_~input#1 && (((5 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) || (4 == ~a16~0 && !(1 == ~a20~0) && 1 == ~a17~0))) && 15 == ~a8~0) && 8 == ~a12~0) && 1 == ~a21~0); 20461#L204 assume !(!(1 == ~a20~0) && (((((6 == calculate_output_~input#1 && 5 == ~a16~0) && 1 == ~a21~0) && !(1 == ~a17~0)) && 8 == ~a12~0) && !(1 == ~a7~0)) && 15 == ~a8~0); 20509#L207 assume !(8 == ~a12~0 && (((((1 == ~a21~0 && 5 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 6 == ~a16~0); 20510#L213 assume !(((15 == ~a8~0 && !(1 == ~a7~0) && (((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 5 == ~a16~0) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) && 6 == calculate_output_~input#1) && 8 == ~a12~0) && 1 == ~a21~0); 20439#L218 assume !(15 == ~a8~0 && 4 == ~a16~0 && !(1 == ~a20~0) && ((1 == ~a21~0 && !(1 == ~a17~0) && 5 == calculate_output_~input#1) && !(1 == ~a7~0)) && 8 == ~a12~0); 20440#L224 assume !(1 == ~a17~0 && 8 == ~a12~0 && 15 == ~a8~0 && ((!(1 == ~a7~0) && (5 == ~a16~0 || 6 == ~a16~0) && 2 == calculate_output_~input#1) && 1 == ~a21~0) && 1 == ~a20~0); 20522#L228 assume !(!(1 == ~a7~0) && (15 == ~a8~0 && (!(1 == ~a17~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1 && 1 == ~a21~0) && 4 == ~a16~0) && 1 == ~a20~0); 20500#L233 assume !(5 == ~a16~0 && (!(1 == ~a21~0) && (13 == ~a8~0 && (2 == calculate_output_~input#1 && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && 1 == ~a17~0); 20379#L241 assume !(1 == ~a20~0 && (8 == ~a12~0 && 1 == ~a7~0 && 13 == ~a8~0 && ((!(1 == ~a17~0) && 5 == ~a16~0) || (1 == ~a17~0 && 6 == ~a16~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) && 3 == calculate_output_~input#1) && !(1 == ~a21~0)); 20381#L248 assume !(8 == ~a12~0 && 1 == ~a7~0 && !(1 == ~a21~0) && 13 == ~a8~0 && 6 == calculate_output_~input#1 && ((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0)))); 20333#L255 assume !((!(1 == ~a7~0) && !(1 == ~a17~0) && ((4 == ~a16~0 && 15 == ~a8~0 && 1 == calculate_output_~input#1) && 8 == ~a12~0) && 1 == ~a21~0) && 1 == ~a20~0); 20334#L260 assume !(1 == ~a17~0 && (1 == ~a21~0 && !(1 == ~a20~0) && 8 == ~a12~0 && 15 == ~a8~0 && !(1 == ~a7~0) && 1 == calculate_output_~input#1) && 6 == ~a16~0); 20307#L266 assume !(1 == ~a20~0 && 8 == ~a12~0 && ((1 == ~a17~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 4 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 20308#L271 assume !(((13 == ~a8~0 && (((!(1 == ~a21~0) && 6 == calculate_output_~input#1) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a17~0) && 1 == ~a7~0) && 5 == ~a16~0); 20400#L275 assume !(5 == ~a16~0 && (((8 == ~a12~0 && !(1 == ~a7~0) && 2 == calculate_output_~input#1 && !(1 == ~a20~0)) && 1 == ~a21~0) && 1 == ~a17~0) && 15 == ~a8~0); 20617#L278 assume !((8 == ~a12~0 && ((!(1 == ~a17~0) && 1 == ~a21~0 && 4 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a20~0) && 4 == ~a16~0); 20575#L283 assume !(1 == ~a7~0 && 13 == ~a8~0 && 8 == ~a12~0 && !(1 == ~a21~0) && 2 == calculate_output_~input#1 && (((1 == ~a20~0 && !(1 == ~a17~0)) && 6 == ~a16~0) || ((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0))); 20370#L288 assume !(((((((!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 6 == ~a16~0) && 1 == ~a21~0) || (((13 == ~a8~0 && (1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 4 == ~a16~0) && !(1 == ~a21~0))) && 6 == calculate_output_~input#1) && 8 == ~a12~0); 20371#L296 assume !((!(1 == ~a7~0) && !(1 == ~a17~0) && (((3 == calculate_output_~input#1 && 1 == ~a21~0) && 4 == ~a16~0) && 15 == ~a8~0) && 8 == ~a12~0) && !(1 == ~a20~0)); 20467#L302 assume !((((8 == ~a12~0 && (((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0) || ((1 == ~a20~0 && !(1 == ~a17~0)) && 5 == ~a16~0) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0)) && 3 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 20539#L309 assume !(((!(1 == ~a7~0) && (5 == calculate_output_~input#1 && (((5 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) || (4 == ~a16~0 && !(1 == ~a20~0) && 1 == ~a17~0))) && 8 == ~a12~0) && 1 == ~a21~0) && 15 == ~a8~0); 20543#L316 assume !((!(1 == ~a7~0) && (1 == ~a21~0 && (1 == ~a17~0 && 8 == ~a12~0 && 2 == calculate_output_~input#1) && !(1 == ~a20~0)) && 6 == ~a16~0) && 15 == ~a8~0); 20548#L322 assume !((!(1 == ~a17~0) && 1 == ~a21~0 && (!(1 == ~a20~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 5 == ~a16~0); 20374#L326 assume (5 == ~a16~0 && !(1 == ~a20~0) && (((6 == calculate_output_~input#1 && 1 == ~a21~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0) && 15 == ~a8~0;calculate_output_#res#1 := 24; 20337#calculate_output_returnLabel#1 main_#t~ret7#1 := calculate_output_#res#1;havoc calculate_output_~input#1;havoc calculate_output_#in~input#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1;havoc main_~input~0#1; 20338#L593-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet6#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 20449#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 20366#L41 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 20367#L45 [2023-11-19 07:51:23,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:23,988 INFO L85 PathProgramCache]: Analyzing trace with hash 28699821, now seen corresponding path program 1 times [2023-11-19 07:51:23,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:23,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131026819] [2023-11-19 07:51:23,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:23,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:23,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:24,005 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:24,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:24,006 INFO L85 PathProgramCache]: Analyzing trace with hash -138308099, now seen corresponding path program 1 times [2023-11-19 07:51:24,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:24,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725737710] [2023-11-19 07:51:24,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:24,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:24,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:24,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:24,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:24,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1397872593, now seen corresponding path program 1 times [2023-11-19 07:51:24,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:24,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780247624] [2023-11-19 07:51:24,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:24,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:24,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:51:24,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:24,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780247624] [2023-11-19 07:51:24,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780247624] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:51:24,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:51:24,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:51:24,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119582997] [2023-11-19 07:51:24,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:24,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:24,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:51:24,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:51:24,642 INFO L87 Difference]: Start difference. First operand 7005 states and 8741 transitions. cyclomatic complexity: 1765 Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 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) [2023-11-19 07:51:25,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:25,225 INFO L93 Difference]: Finished difference Result 11474 states and 13708 transitions. [2023-11-19 07:51:25,225 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11474 states and 13708 transitions. [2023-11-19 07:51:25,280 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 3406 [2023-11-19 07:51:25,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11474 states to 11474 states and 13708 transitions. [2023-11-19 07:51:25,365 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3418 [2023-11-19 07:51:25,369 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3418 [2023-11-19 07:51:25,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11474 states and 13708 transitions. [2023-11-19 07:51:25,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:51:25,376 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11474 states and 13708 transitions. [2023-11-19 07:51:25,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11474 states and 13708 transitions. [2023-11-19 07:51:25,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11474 to 8451. [2023-11-19 07:51:25,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8451 states, 8451 states have (on average 1.2122825701100461) internal successors, (10245), 8450 states have internal predecessors, (10245), 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) [2023-11-19 07:51:25,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8451 states to 8451 states and 10245 transitions. [2023-11-19 07:51:25,570 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8451 states and 10245 transitions. [2023-11-19 07:51:25,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:51:25,571 INFO L428 stractBuchiCegarLoop]: Abstraction has 8451 states and 10245 transitions. [2023-11-19 07:51:25,571 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-19 07:51:25,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8451 states and 10245 transitions. [2023-11-19 07:51:25,599 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 2620 [2023-11-19 07:51:25,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:51:25,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:51:25,600 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 07:51:25,601 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:25,601 INFO L748 eck$LassoCheckResult]: Stem: 38878#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(20, 2);call #Ultimate.allocInit(12, 3);~a~0 := 1;~d~0 := 4;~e~0 := 5;~f~0 := 6;~c~0 := 3;~b~0 := 2;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a17~0 := 1;~a7~0 := 0;~a20~0 := 1;~a8~0 := 15;~a12~0 := 8;~a16~0 := 5;~a21~0 := 1; 38879#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 38930#L593-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet6#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 43256#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 43258#L41 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 43250#L45 [2023-11-19 07:51:25,602 INFO L750 eck$LassoCheckResult]: Loop: 43250#L45 assume !((((((5 == calculate_output_~input#1 && (((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0))) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && !(1 == ~a21~0)) && 13 == ~a8~0); 43249#L53 assume !((!(1 == ~a7~0) && ((6 == ~a16~0 && 1 == ~a21~0 && 1 == ~a17~0 && 3 == calculate_output_~input#1) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0); 43248#L59 assume !(1 == ~a17~0 && (!(1 == ~a7~0) && (1 == ~a21~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 6 == calculate_output_~input#1) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0); 43247#L64 assume !((3 == calculate_output_~input#1 && (((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a7~0) && !(1 == ~a17~0)) && 15 == ~a8~0) && 1 == ~a21~0) || (((13 == ~a8~0 && 1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 4 == ~a16~0) && !(1 == ~a21~0)))) && 8 == ~a12~0); 43246#L72 assume !((1 == ~a17~0 && (1 == ~a21~0 && (!(1 == ~a7~0) && 4 == calculate_output_~input#1 && 15 == ~a8~0) && !(1 == ~a20~0)) && 8 == ~a12~0) && 6 == ~a16~0); 43245#L75 assume !((8 == ~a12~0 && (1 == ~a21~0 && ((5 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 5 == ~a16~0) && !(1 == ~a20~0)) && !(1 == ~a17~0)); 43244#L82 assume !(8 == ~a12~0 && 1 == calculate_output_~input#1 && ((1 == ~a21~0 && (15 == ~a8~0 && (!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 6 == ~a16~0) || (!(1 == ~a21~0) && 4 == ~a16~0 && 13 == ~a8~0 && (1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0))); 43243#L90 assume !((((!(1 == ~a17~0) && !(1 == ~a7~0) && 1 == ~a21~0 && 15 == ~a8~0 && 4 == calculate_output_~input#1) && !(1 == ~a20~0)) && 8 == ~a12~0) && 4 == ~a16~0); 43242#L94 assume !(((((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a21~0) || ((4 == ~a16~0 && (1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 13 == ~a8~0) && !(1 == ~a21~0))) && 2 == calculate_output_~input#1) && 8 == ~a12~0); 43241#L102 assume !(13 == ~a8~0 && !(1 == ~a21~0) && ((3 == calculate_output_~input#1 && (((1 == ~a20~0 && !(1 == ~a17~0)) && 6 == ~a16~0) || ((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0))) && 8 == ~a12~0) && 1 == ~a7~0); 43240#L107 assume !(((1 == ~a21~0 && 8 == ~a12~0 && 1 == calculate_output_~input#1 && (((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0) || (5 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0) || (6 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0))) && !(1 == ~a7~0)) && 15 == ~a8~0); 43239#L112 assume !((5 == ~a16~0 && (1 == ~a7~0 && (!(1 == ~a21~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1) && 13 == ~a8~0) && 1 == ~a17~0) && 1 == ~a20~0); 43238#L118 assume !(1 == ~a17~0 && (15 == ~a8~0 && (8 == ~a12~0 && (!(1 == ~a7~0) && 5 == calculate_output_~input#1) && 1 == ~a21~0) && !(1 == ~a20~0)) && 5 == ~a16~0); 43237#L124 assume !(!(1 == ~a7~0) && (((1 == ~a21~0 && (15 == ~a8~0 && 5 == calculate_output_~input#1) && !(1 == ~a17~0)) && 8 == ~a12~0) && 1 == ~a20~0) && 4 == ~a16~0); 43236#L129 assume !((!(1 == ~a21~0) && (8 == ~a12~0 && ((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0)) && 1 == calculate_output_~input#1) && 13 == ~a8~0) && 1 == ~a7~0); 43234#L134 assume !(1 == ~a17~0 && !(1 == ~a7~0) && (1 == ~a21~0 && (8 == ~a12~0 && 5 == calculate_output_~input#1 && (5 == ~a16~0 || 6 == ~a16~0)) && 1 == ~a20~0) && 15 == ~a8~0); 43235#L139 assume !((8 == ~a12~0 && !(1 == ~a21~0) && 1 == ~a7~0 && 13 == ~a8~0 && 6 == calculate_output_~input#1 && (((6 == ~a16~0 && 1 == ~a17~0) || (4 == ~a16~0 && !(1 == ~a17~0))) || (5 == ~a16~0 && !(1 == ~a17~0)))) && 1 == ~a20~0); 43225#L146 assume !((5 == ~a16~0 && ((15 == ~a8~0 && (!(1 == ~a7~0) && 2 == calculate_output_~input#1) && 1 == ~a21~0) && 8 == ~a12~0) && !(1 == ~a20~0)) && !(1 == ~a17~0)); 43226#L150 assume !(!(1 == ~a20~0) && 1 == ~a21~0 && 4 == ~a16~0 && 15 == ~a8~0 && (8 == ~a12~0 && 2 == calculate_output_~input#1 && !(1 == ~a7~0)) && !(1 == ~a17~0)); 43379#L154 assume !((1 == ~a21~0 && !(1 == ~a7~0) && (!(1 == ~a20~0) && !(1 == ~a17~0) && 8 == ~a12~0 && 6 == calculate_output_~input#1) && 4 == ~a16~0) && 15 == ~a8~0); 43378#L158 assume !(1 == ~a17~0 && ((((8 == ~a12~0 && 4 == calculate_output_~input#1 && 13 == ~a8~0) && 1 == ~a20~0) && !(1 == ~a21~0)) && 5 == ~a16~0) && 1 == ~a7~0); 43377#L162 assume !(((13 == ~a8~0 && 8 == ~a12~0 && ((((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0)) && 1 == calculate_output_~input#1) && !(1 == ~a21~0)) && 1 == ~a20~0) && 1 == ~a7~0); 43376#L170 assume !(13 == ~a8~0 && !(1 == ~a21~0) && (((((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0))) && 5 == calculate_output_~input#1) && 1 == ~a7~0) && 8 == ~a12~0); 43375#L175 assume !((!(1 == ~a21~0) && ((((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0)) && 4 == calculate_output_~input#1) && 1 == ~a7~0) && 8 == ~a12~0) && 13 == ~a8~0); 43374#L183 assume !((1 == ~a21~0 && !(1 == ~a7~0) && ((((5 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0)) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0))) && 4 == calculate_output_~input#1) && 8 == ~a12~0) && 15 == ~a8~0); 43373#L188 assume !(((((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a21~0) || ((4 == ~a16~0 && ((1 == ~a7~0 && 1 == ~a17~0) && 1 == ~a20~0) && 13 == ~a8~0) && !(1 == ~a21~0))) && 4 == calculate_output_~input#1) && 8 == ~a12~0); 43372#L196 assume !(!(1 == ~a17~0) && (8 == ~a12~0 && !(1 == ~a20~0) && (15 == ~a8~0 && 1 == ~a21~0 && 4 == calculate_output_~input#1) && !(1 == ~a7~0)) && 5 == ~a16~0); 43371#L199 assume !(((!(1 == ~a7~0) && (2 == calculate_output_~input#1 && (((5 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) || (4 == ~a16~0 && !(1 == ~a20~0) && 1 == ~a17~0))) && 15 == ~a8~0) && 8 == ~a12~0) && 1 == ~a21~0); 43370#L204 assume !(!(1 == ~a20~0) && (((((6 == calculate_output_~input#1 && 5 == ~a16~0) && 1 == ~a21~0) && !(1 == ~a17~0)) && 8 == ~a12~0) && !(1 == ~a7~0)) && 15 == ~a8~0); 43369#L207 assume !(8 == ~a12~0 && (((((1 == ~a21~0 && 5 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 6 == ~a16~0); 43368#L213 assume !(((15 == ~a8~0 && !(1 == ~a7~0) && (((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 5 == ~a16~0) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) && 6 == calculate_output_~input#1) && 8 == ~a12~0) && 1 == ~a21~0); 43367#L218 assume !(15 == ~a8~0 && 4 == ~a16~0 && !(1 == ~a20~0) && ((1 == ~a21~0 && !(1 == ~a17~0) && 5 == calculate_output_~input#1) && !(1 == ~a7~0)) && 8 == ~a12~0); 43366#L224 assume !(1 == ~a17~0 && 8 == ~a12~0 && 15 == ~a8~0 && ((!(1 == ~a7~0) && (5 == ~a16~0 || 6 == ~a16~0) && 2 == calculate_output_~input#1) && 1 == ~a21~0) && 1 == ~a20~0); 43365#L228 assume !(!(1 == ~a7~0) && (15 == ~a8~0 && (!(1 == ~a17~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1 && 1 == ~a21~0) && 4 == ~a16~0) && 1 == ~a20~0); 43364#L233 assume !(5 == ~a16~0 && (!(1 == ~a21~0) && (13 == ~a8~0 && (2 == calculate_output_~input#1 && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && 1 == ~a17~0); 43363#L241 assume !(1 == ~a20~0 && (8 == ~a12~0 && 1 == ~a7~0 && 13 == ~a8~0 && ((!(1 == ~a17~0) && 5 == ~a16~0) || (1 == ~a17~0 && 6 == ~a16~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) && 3 == calculate_output_~input#1) && !(1 == ~a21~0)); 43362#L248 assume !(8 == ~a12~0 && 1 == ~a7~0 && !(1 == ~a21~0) && 13 == ~a8~0 && 6 == calculate_output_~input#1 && ((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0)))); 43361#L255 assume !((!(1 == ~a7~0) && !(1 == ~a17~0) && ((4 == ~a16~0 && 15 == ~a8~0 && 1 == calculate_output_~input#1) && 8 == ~a12~0) && 1 == ~a21~0) && 1 == ~a20~0); 43360#L260 assume !(1 == ~a17~0 && (1 == ~a21~0 && !(1 == ~a20~0) && 8 == ~a12~0 && 15 == ~a8~0 && !(1 == ~a7~0) && 1 == calculate_output_~input#1) && 6 == ~a16~0); 43359#L266 assume !(1 == ~a20~0 && 8 == ~a12~0 && ((1 == ~a17~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 4 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 43358#L271 assume !(((13 == ~a8~0 && (((!(1 == ~a21~0) && 6 == calculate_output_~input#1) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a17~0) && 1 == ~a7~0) && 5 == ~a16~0); 43357#L275 assume !(5 == ~a16~0 && (((8 == ~a12~0 && !(1 == ~a7~0) && 2 == calculate_output_~input#1 && !(1 == ~a20~0)) && 1 == ~a21~0) && 1 == ~a17~0) && 15 == ~a8~0); 43356#L278 assume !((8 == ~a12~0 && ((!(1 == ~a17~0) && 1 == ~a21~0 && 4 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a20~0) && 4 == ~a16~0); 43355#L283 assume !(1 == ~a7~0 && 13 == ~a8~0 && 8 == ~a12~0 && !(1 == ~a21~0) && 2 == calculate_output_~input#1 && (((1 == ~a20~0 && !(1 == ~a17~0)) && 6 == ~a16~0) || ((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0))); 43354#L288 assume !(((((((!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 6 == ~a16~0) && 1 == ~a21~0) || (((13 == ~a8~0 && (1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 4 == ~a16~0) && !(1 == ~a21~0))) && 6 == calculate_output_~input#1) && 8 == ~a12~0); 43353#L296 assume !((!(1 == ~a7~0) && !(1 == ~a17~0) && (((3 == calculate_output_~input#1 && 1 == ~a21~0) && 4 == ~a16~0) && 15 == ~a8~0) && 8 == ~a12~0) && !(1 == ~a20~0)); 43352#L302 assume !((((8 == ~a12~0 && (((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0) || ((1 == ~a20~0 && !(1 == ~a17~0)) && 5 == ~a16~0) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0)) && 3 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 43351#L309 assume !(((!(1 == ~a7~0) && (5 == calculate_output_~input#1 && (((5 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) || (4 == ~a16~0 && !(1 == ~a20~0) && 1 == ~a17~0))) && 8 == ~a12~0) && 1 == ~a21~0) && 15 == ~a8~0); 43350#L316 assume !((!(1 == ~a7~0) && (1 == ~a21~0 && (1 == ~a17~0 && 8 == ~a12~0 && 2 == calculate_output_~input#1) && !(1 == ~a20~0)) && 6 == ~a16~0) && 15 == ~a8~0); 43349#L322 assume !((!(1 == ~a17~0) && 1 == ~a21~0 && (!(1 == ~a20~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 5 == ~a16~0); 43348#L326 assume !((5 == ~a16~0 && !(1 == ~a20~0) && (((6 == calculate_output_~input#1 && 1 == ~a21~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0) && 15 == ~a8~0); 43347#L328 assume !(!(1 == ~a7~0) && 1 == ~a17~0 && (6 == ~a16~0 && !(1 == ~a20~0) && (6 == calculate_output_~input#1 && 8 == ~a12~0) && 1 == ~a21~0) && 15 == ~a8~0); 43346#L334 assume !(((1 == ~a21~0 && 15 == ~a8~0 && 8 == ~a12~0 && !(1 == ~a7~0) && !(1 == ~a17~0) && 2 == calculate_output_~input#1) && 4 == ~a16~0) && 1 == ~a20~0); 43345#L339 assume !(15 == ~a8~0 && (4 == ~a16~0 && 8 == ~a12~0 && (!(1 == ~a20~0) && !(1 == ~a7~0) && 1 == calculate_output_~input#1) && !(1 == ~a17~0)) && 1 == ~a21~0); 43344#L343 assume !(1 == ~a21~0 && (8 == ~a12~0 && ((1 == ~a17~0 && 3 == calculate_output_~input#1 && (5 == ~a16~0 || 6 == ~a16~0)) && !(1 == ~a7~0)) && 1 == ~a20~0) && 15 == ~a8~0); 43343#L347 assume !(!(1 == ~a21~0) && 1 == ~a20~0 && (8 == ~a12~0 && 13 == ~a8~0 && ((5 == ~a16~0 && !(1 == ~a17~0)) || (1 == ~a17~0 && 6 == ~a16~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) && 2 == calculate_output_~input#1) && 1 == ~a7~0); 43342#L355 assume !(1 == ~a7~0 && 8 == ~a12~0 && ((1 == ~a20~0 && ((!(1 == ~a17~0) && 5 == ~a16~0) || (1 == ~a17~0 && 6 == ~a16~0) || (4 == ~a16~0 && !(1 == ~a17~0))) && 4 == calculate_output_~input#1) && 13 == ~a8~0) && !(1 == ~a21~0)); 43341#L363 assume !(1 == ~a21~0 && (((!(1 == ~a7~0) && 15 == ~a8~0 && !(1 == ~a20~0) && 4 == calculate_output_~input#1) && 1 == ~a17~0) && 5 == ~a16~0) && 8 == ~a12~0); 43340#L365 assume !(((!(1 == ~a7~0) && (!(1 == ~a20~0) && 1 == ~a21~0 && 3 == calculate_output_~input#1 && 1 == ~a17~0) && 15 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0); 43339#L371 assume !((((!(1 == ~a17~0) && !(1 == ~a20~0) && 15 == ~a8~0 && 1 == calculate_output_~input#1 && 5 == ~a16~0) && 8 == ~a12~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 43338#L373 assume !(((1 == ~a21~0 && 15 == ~a8~0 && (5 == ~a16~0 && 8 == ~a12~0 && 1 == calculate_output_~input#1) && 1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)); 43337#L375 assume !((!(1 == ~a21~0) && 1 == ~a20~0 && ((13 == ~a8~0 && 1 == ~a7~0 && 5 == calculate_output_~input#1) && 1 == ~a17~0) && 8 == ~a12~0) && 5 == ~a16~0); 43336#L382 assume !(((!(1 == ~a7~0) && 1 == ~a21~0 && ((6 == calculate_output_~input#1 && 1 == ~a20~0) && 15 == ~a8~0) && !(1 == ~a17~0)) && 8 == ~a12~0) && 4 == ~a16~0); 43330#L387 assume ((1 == ~a20~0 && ((!(1 == ~a21~0) && 1 == ~a7~0 && 1 == calculate_output_~input#1) && 13 == ~a8~0) && 1 == ~a17~0) && 8 == ~a12~0) && 5 == ~a16~0;~a21~0 := 1;~a16~0 := 6;~a7~0 := 0;calculate_output_#res#1 := -1; 43264#calculate_output_returnLabel#1 main_#t~ret7#1 := calculate_output_#res#1;havoc calculate_output_~input#1;havoc calculate_output_#in~input#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1;havoc main_~input~0#1; 43260#L593-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet6#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 43261#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 43251#L41 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 43250#L45 [2023-11-19 07:51:25,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:25,602 INFO L85 PathProgramCache]: Analyzing trace with hash 28699821, now seen corresponding path program 2 times [2023-11-19 07:51:25,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:25,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688217901] [2023-11-19 07:51:25,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:25,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:25,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:25,618 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:25,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:25,618 INFO L85 PathProgramCache]: Analyzing trace with hash -544094264, now seen corresponding path program 1 times [2023-11-19 07:51:25,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:25,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905281522] [2023-11-19 07:51:25,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:25,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:25,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:25,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:25,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:25,675 INFO L85 PathProgramCache]: Analyzing trace with hash 702422644, now seen corresponding path program 1 times [2023-11-19 07:51:25,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:25,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877531844] [2023-11-19 07:51:25,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:25,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:25,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:51:25,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:25,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877531844] [2023-11-19 07:51:25,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877531844] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:51:25,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:51:25,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:51:25,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3314928] [2023-11-19 07:51:25,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:26,612 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:51:26,613 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:51:26,613 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:51:26,613 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:51:26,613 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:51:26,613 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:26,613 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:51:26,613 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:51:26,614 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem01_label27.c_Iteration5_Loop [2023-11-19 07:51:26,614 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:51:26,614 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:51:26,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:26,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:26,637 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:26,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:26,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:26,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:26,655 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:26,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:26,661 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:26,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:26,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:26,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:26,911 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:51:26,912 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:51:26,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:26,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:26,915 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:26,920 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:26,920 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:26,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-19 07:51:26,942 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:26,942 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~output~0#1=-1} Honda state: {ULTIMATE.start_main_~output~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:26,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:26,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:26,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:26,961 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:26,963 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:26,964 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:26,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-19 07:51:26,996 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:26,996 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~input~0#1=1, ULTIMATE.start_calculate_output_~input#1=1, ULTIMATE.start_calculate_output_#in~input#1=1} Honda state: {ULTIMATE.start_main_~input~0#1=1, ULTIMATE.start_calculate_output_~input#1=1, ULTIMATE.start_calculate_output_#in~input#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:27,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:27,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:27,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:27,016 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:27,023 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:27,024 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:27,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-19 07:51:27,055 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:51:27,055 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a8~0=13} Honda state: {~a8~0=13} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:51:27,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:27,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:27,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:27,075 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:27,077 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:51:27,077 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:27,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-19 07:51:27,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:27,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:27,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:27,124 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:27,128 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:51:27,128 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:51:27,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-19 07:51:27,163 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:51:27,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:27,181 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:51:27,181 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:51:27,181 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:51:27,181 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:51:27,181 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:51:27,181 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:27,181 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:51:27,182 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:51:27,182 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem01_label27.c_Iteration5_Loop [2023-11-19 07:51:27,182 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:51:27,182 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:51:27,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:27,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:27,190 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:27,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:27,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:27,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:27,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:27,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:27,212 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:27,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:27,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:27,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:51:27,518 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:51:27,518 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:51:27,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:27,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:27,520 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:27,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-19 07:51:27,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:27,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:27,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:27,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:27,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:27,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:27,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:27,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:27,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:27,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:27,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:27,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:27,608 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:27,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:27,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-19 07:51:27,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:27,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:27,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:27,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:27,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:27,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:27,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:27,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:51:27,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:27,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:27,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:27,664 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:27,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:51:27,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-19 07:51:27,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:51:27,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:51:27,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:51:27,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:51:27,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:51:27,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:51:27,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:51:27,699 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:51:27,704 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:51:27,704 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-19 07:51:27,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:51:27,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:27,712 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:27,717 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:51:27,717 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:51:27,717 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:51:27,717 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a7~0) = 1*~a7~0 Supporting invariants [] [2023-11-19 07:51:27,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-19 07:51:27,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:27,739 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:51:27,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:27,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:51:27,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:27,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:51:27,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:27,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:51:27,977 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:51:27,977 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8451 states and 10245 transitions. cyclomatic complexity: 1834 Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2023-11-19 07:51:28,639 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8451 states and 10245 transitions. cyclomatic complexity: 1834. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27942 states and 32868 transitions. Complement of second has 5 states. [2023-11-19 07:51:28,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:51:28,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2023-11-19 07:51:28,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 181 transitions. [2023-11-19 07:51:28,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 181 transitions. Stem has 5 letters. Loop has 68 letters. [2023-11-19 07:51:28,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:51:28,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 181 transitions. Stem has 73 letters. Loop has 68 letters. [2023-11-19 07:51:28,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:51:28,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 181 transitions. Stem has 5 letters. Loop has 136 letters. [2023-11-19 07:51:28,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:51:28,647 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27942 states and 32868 transitions. [2023-11-19 07:51:28,815 INFO L131 ngComponentsAnalysis]: Automaton has 28 accepting balls. 5240 [2023-11-19 07:51:28,977 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27942 states to 27942 states and 32868 transitions. [2023-11-19 07:51:28,978 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5284 [2023-11-19 07:51:28,988 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5297 [2023-11-19 07:51:28,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27942 states and 32868 transitions. [2023-11-19 07:51:28,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:51:28,990 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27942 states and 32868 transitions. [2023-11-19 07:51:29,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27942 states and 32868 transitions. [2023-11-19 07:51:29,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:29,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27942 to 27918. [2023-11-19 07:51:29,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27918 states, 27918 states have (on average 1.1764453041048786) internal successors, (32844), 27917 states have internal predecessors, (32844), 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) [2023-11-19 07:51:29,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27918 states to 27918 states and 32844 transitions. [2023-11-19 07:51:29,992 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27918 states and 32844 transitions. [2023-11-19 07:51:29,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:29,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:51:29,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:51:29,994 INFO L87 Difference]: Start difference. First operand 27918 states and 32844 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 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) [2023-11-19 07:51:30,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:30,708 INFO L93 Difference]: Finished difference Result 30510 states and 35026 transitions. [2023-11-19 07:51:30,708 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30510 states and 35026 transitions. [2023-11-19 07:51:31,139 INFO L131 ngComponentsAnalysis]: Automaton has 30 accepting balls. 6550 [2023-11-19 07:51:31,249 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30510 states to 22594 states and 26436 transitions. [2023-11-19 07:51:31,250 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6581 [2023-11-19 07:51:31,259 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6581 [2023-11-19 07:51:31,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22594 states and 26436 transitions. [2023-11-19 07:51:31,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:51:31,263 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22594 states and 26436 transitions. [2023-11-19 07:51:31,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22594 states and 26436 transitions. [2023-11-19 07:51:31,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22594 to 16882. [2023-11-19 07:51:31,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16882 states, 16882 states have (on average 1.1815543182087431) internal successors, (19947), 16881 states have internal predecessors, (19947), 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) [2023-11-19 07:51:31,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16882 states to 16882 states and 19947 transitions. [2023-11-19 07:51:31,647 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16882 states and 19947 transitions. [2023-11-19 07:51:31,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:51:31,650 INFO L428 stractBuchiCegarLoop]: Abstraction has 16882 states and 19947 transitions. [2023-11-19 07:51:31,650 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-19 07:51:31,650 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16882 states and 19947 transitions. [2023-11-19 07:51:31,712 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 5240 [2023-11-19 07:51:31,712 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:51:31,712 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:51:31,717 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 07:51:31,717 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:31,717 INFO L748 eck$LassoCheckResult]: Stem: 133934#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;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(20, 2);call #Ultimate.allocInit(12, 3);~a~0 := 1;~d~0 := 4;~e~0 := 5;~f~0 := 6;~c~0 := 3;~b~0 := 2;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a17~0 := 1;~a7~0 := 0;~a20~0 := 1;~a8~0 := 15;~a12~0 := 8;~a16~0 := 5;~a21~0 := 1; 133935#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 133987#L593-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet6#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 144850#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 144851#L41 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 149193#L45 [2023-11-19 07:51:31,721 INFO L750 eck$LassoCheckResult]: Loop: 149193#L45 assume !((((((5 == calculate_output_~input#1 && (((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0))) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && !(1 == ~a21~0)) && 13 == ~a8~0); 149240#L53 assume !((!(1 == ~a7~0) && ((6 == ~a16~0 && 1 == ~a21~0 && 1 == ~a17~0 && 3 == calculate_output_~input#1) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0); 149239#L59 assume !(1 == ~a17~0 && (!(1 == ~a7~0) && (1 == ~a21~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 6 == calculate_output_~input#1) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0); 149238#L64 assume !((3 == calculate_output_~input#1 && (((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a7~0) && !(1 == ~a17~0)) && 15 == ~a8~0) && 1 == ~a21~0) || (((13 == ~a8~0 && 1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 4 == ~a16~0) && !(1 == ~a21~0)))) && 8 == ~a12~0); 134065#L72 assume !((1 == ~a17~0 && (1 == ~a21~0 && (!(1 == ~a7~0) && 4 == calculate_output_~input#1 && 15 == ~a8~0) && !(1 == ~a20~0)) && 8 == ~a12~0) && 6 == ~a16~0); 134041#L75 assume !((8 == ~a12~0 && (1 == ~a21~0 && ((5 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 5 == ~a16~0) && !(1 == ~a20~0)) && !(1 == ~a17~0)); 134042#L82 assume !(8 == ~a12~0 && 1 == calculate_output_~input#1 && ((1 == ~a21~0 && (15 == ~a8~0 && (!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 6 == ~a16~0) || (!(1 == ~a21~0) && 4 == ~a16~0 && 13 == ~a8~0 && (1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0))); 134132#L90 assume !((((!(1 == ~a17~0) && !(1 == ~a7~0) && 1 == ~a21~0 && 15 == ~a8~0 && 4 == calculate_output_~input#1) && !(1 == ~a20~0)) && 8 == ~a12~0) && 4 == ~a16~0); 134214#L94 assume !(((((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a21~0) || ((4 == ~a16~0 && (1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 13 == ~a8~0) && !(1 == ~a21~0))) && 2 == calculate_output_~input#1) && 8 == ~a12~0); 149234#L102 assume !(13 == ~a8~0 && !(1 == ~a21~0) && ((3 == calculate_output_~input#1 && (((1 == ~a20~0 && !(1 == ~a17~0)) && 6 == ~a16~0) || ((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0))) && 8 == ~a12~0) && 1 == ~a7~0); 149233#L107 assume !(((1 == ~a21~0 && 8 == ~a12~0 && 1 == calculate_output_~input#1 && (((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0) || (5 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0) || (6 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0))) && !(1 == ~a7~0)) && 15 == ~a8~0); 134024#L112 assume !((5 == ~a16~0 && (1 == ~a7~0 && (!(1 == ~a21~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1) && 13 == ~a8~0) && 1 == ~a17~0) && 1 == ~a20~0); 134025#L118 assume !(1 == ~a17~0 && (15 == ~a8~0 && (8 == ~a12~0 && (!(1 == ~a7~0) && 5 == calculate_output_~input#1) && 1 == ~a21~0) && !(1 == ~a20~0)) && 5 == ~a16~0); 134103#L124 assume !(!(1 == ~a7~0) && (((1 == ~a21~0 && (15 == ~a8~0 && 5 == calculate_output_~input#1) && !(1 == ~a17~0)) && 8 == ~a12~0) && 1 == ~a20~0) && 4 == ~a16~0); 134104#L129 assume !((!(1 == ~a21~0) && (8 == ~a12~0 && ((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0)) && 1 == calculate_output_~input#1) && 13 == ~a8~0) && 1 == ~a7~0); 134211#L134 assume !(1 == ~a17~0 && !(1 == ~a7~0) && (1 == ~a21~0 && (8 == ~a12~0 && 5 == calculate_output_~input#1 && (5 == ~a16~0 || 6 == ~a16~0)) && 1 == ~a20~0) && 15 == ~a8~0); 133930#L139 assume !((8 == ~a12~0 && !(1 == ~a21~0) && 1 == ~a7~0 && 13 == ~a8~0 && 6 == calculate_output_~input#1 && (((6 == ~a16~0 && 1 == ~a17~0) || (4 == ~a16~0 && !(1 == ~a17~0))) || (5 == ~a16~0 && !(1 == ~a17~0)))) && 1 == ~a20~0); 133931#L146 assume !((5 == ~a16~0 && ((15 == ~a8~0 && (!(1 == ~a7~0) && 2 == calculate_output_~input#1) && 1 == ~a21~0) && 8 == ~a12~0) && !(1 == ~a20~0)) && !(1 == ~a17~0)); 134128#L150 assume !(!(1 == ~a20~0) && 1 == ~a21~0 && 4 == ~a16~0 && 15 == ~a8~0 && (8 == ~a12~0 && 2 == calculate_output_~input#1 && !(1 == ~a7~0)) && !(1 == ~a17~0)); 134142#L154 assume !((1 == ~a21~0 && !(1 == ~a7~0) && (!(1 == ~a20~0) && !(1 == ~a17~0) && 8 == ~a12~0 && 6 == calculate_output_~input#1) && 4 == ~a16~0) && 15 == ~a8~0); 134143#L158 assume !(1 == ~a17~0 && ((((8 == ~a12~0 && 4 == calculate_output_~input#1 && 13 == ~a8~0) && 1 == ~a20~0) && !(1 == ~a21~0)) && 5 == ~a16~0) && 1 == ~a7~0); 149224#L162 assume !(((13 == ~a8~0 && 8 == ~a12~0 && ((((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0)) && 1 == calculate_output_~input#1) && !(1 == ~a21~0)) && 1 == ~a20~0) && 1 == ~a7~0); 149222#L170 assume !(13 == ~a8~0 && !(1 == ~a21~0) && (((((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0))) && 5 == calculate_output_~input#1) && 1 == ~a7~0) && 8 == ~a12~0); 149220#L175 assume !((!(1 == ~a21~0) && ((((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0)) && 4 == calculate_output_~input#1) && 1 == ~a7~0) && 8 == ~a12~0) && 13 == ~a8~0); 149218#L183 assume !((1 == ~a21~0 && !(1 == ~a7~0) && ((((5 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0)) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0))) && 4 == calculate_output_~input#1) && 8 == ~a12~0) && 15 == ~a8~0); 149216#L188 assume !(((((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a21~0) || ((4 == ~a16~0 && ((1 == ~a7~0 && 1 == ~a17~0) && 1 == ~a20~0) && 13 == ~a8~0) && !(1 == ~a21~0))) && 4 == calculate_output_~input#1) && 8 == ~a12~0); 149215#L196 assume !(!(1 == ~a17~0) && (8 == ~a12~0 && !(1 == ~a20~0) && (15 == ~a8~0 && 1 == ~a21~0 && 4 == calculate_output_~input#1) && !(1 == ~a7~0)) && 5 == ~a16~0); 149214#L199 assume !(((!(1 == ~a7~0) && (2 == calculate_output_~input#1 && (((5 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) || (4 == ~a16~0 && !(1 == ~a20~0) && 1 == ~a17~0))) && 15 == ~a8~0) && 8 == ~a12~0) && 1 == ~a21~0); 149213#L204 assume !(!(1 == ~a20~0) && (((((6 == calculate_output_~input#1 && 5 == ~a16~0) && 1 == ~a21~0) && !(1 == ~a17~0)) && 8 == ~a12~0) && !(1 == ~a7~0)) && 15 == ~a8~0); 149212#L207 assume !(8 == ~a12~0 && (((((1 == ~a21~0 && 5 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 6 == ~a16~0); 149209#L213 assume !(((15 == ~a8~0 && !(1 == ~a7~0) && (((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 5 == ~a16~0) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) && 6 == calculate_output_~input#1) && 8 == ~a12~0) && 1 == ~a21~0); 149206#L218 assume !(15 == ~a8~0 && 4 == ~a16~0 && !(1 == ~a20~0) && ((1 == ~a21~0 && !(1 == ~a17~0) && 5 == calculate_output_~input#1) && !(1 == ~a7~0)) && 8 == ~a12~0); 134088#L224 assume !(1 == ~a17~0 && 8 == ~a12~0 && 15 == ~a8~0 && ((!(1 == ~a7~0) && (5 == ~a16~0 || 6 == ~a16~0) && 2 == calculate_output_~input#1) && 1 == ~a21~0) && 1 == ~a20~0); 134089#L228 assume !(!(1 == ~a7~0) && (15 == ~a8~0 && (!(1 == ~a17~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1 && 1 == ~a21~0) && 4 == ~a16~0) && 1 == ~a20~0); 149230#L233 assume !(5 == ~a16~0 && (!(1 == ~a21~0) && (13 == ~a8~0 && (2 == calculate_output_~input#1 && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && 1 == ~a17~0); 149229#L241 assume !(1 == ~a20~0 && (8 == ~a12~0 && 1 == ~a7~0 && 13 == ~a8~0 && ((!(1 == ~a17~0) && 5 == ~a16~0) || (1 == ~a17~0 && 6 == ~a16~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) && 3 == calculate_output_~input#1) && !(1 == ~a21~0)); 149228#L248 assume !(8 == ~a12~0 && 1 == ~a7~0 && !(1 == ~a21~0) && 13 == ~a8~0 && 6 == calculate_output_~input#1 && ((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0)))); 149226#L255 assume !((!(1 == ~a7~0) && !(1 == ~a17~0) && ((4 == ~a16~0 && 15 == ~a8~0 && 1 == calculate_output_~input#1) && 8 == ~a12~0) && 1 == ~a21~0) && 1 == ~a20~0); 134066#L260 assume !(1 == ~a17~0 && (1 == ~a21~0 && !(1 == ~a20~0) && 8 == ~a12~0 && 15 == ~a8~0 && !(1 == ~a7~0) && 1 == calculate_output_~input#1) && 6 == ~a16~0); 133854#L266 assume !(1 == ~a20~0 && 8 == ~a12~0 && ((1 == ~a17~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 4 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 133855#L271 assume !(((13 == ~a8~0 && (((!(1 == ~a21~0) && 6 == calculate_output_~input#1) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a17~0) && 1 == ~a7~0) && 5 == ~a16~0); 149211#L275 assume !(5 == ~a16~0 && (((8 == ~a12~0 && !(1 == ~a7~0) && 2 == calculate_output_~input#1 && !(1 == ~a20~0)) && 1 == ~a21~0) && 1 == ~a17~0) && 15 == ~a8~0); 134242#L278 assume !((8 == ~a12~0 && ((!(1 == ~a17~0) && 1 == ~a21~0 && 4 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a20~0) && 4 == ~a16~0); 134243#L283 assume !(1 == ~a7~0 && 13 == ~a8~0 && 8 == ~a12~0 && !(1 == ~a21~0) && 2 == calculate_output_~input#1 && (((1 == ~a20~0 && !(1 == ~a17~0)) && 6 == ~a16~0) || ((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0))); 149204#L288 assume !(((((((!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 6 == ~a16~0) && 1 == ~a21~0) || (((13 == ~a8~0 && (1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 4 == ~a16~0) && !(1 == ~a21~0))) && 6 == calculate_output_~input#1) && 8 == ~a12~0); 149203#L296 assume !((!(1 == ~a7~0) && !(1 == ~a17~0) && (((3 == calculate_output_~input#1 && 1 == ~a21~0) && 4 == ~a16~0) && 15 == ~a8~0) && 8 == ~a12~0) && !(1 == ~a20~0)); 149202#L302 assume !((((8 == ~a12~0 && (((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0) || ((1 == ~a20~0 && !(1 == ~a17~0)) && 5 == ~a16~0) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0)) && 3 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 149201#L309 assume !(((!(1 == ~a7~0) && (5 == calculate_output_~input#1 && (((5 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) || (4 == ~a16~0 && !(1 == ~a20~0) && 1 == ~a17~0))) && 8 == ~a12~0) && 1 == ~a21~0) && 15 == ~a8~0); 149200#L316 assume !((!(1 == ~a7~0) && (1 == ~a21~0 && (1 == ~a17~0 && 8 == ~a12~0 && 2 == calculate_output_~input#1) && !(1 == ~a20~0)) && 6 == ~a16~0) && 15 == ~a8~0); 149199#L322 assume !((!(1 == ~a17~0) && 1 == ~a21~0 && (!(1 == ~a20~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 5 == ~a16~0); 149198#L326 assume !((5 == ~a16~0 && !(1 == ~a20~0) && (((6 == calculate_output_~input#1 && 1 == ~a21~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0) && 15 == ~a8~0); 149197#L328 assume !(!(1 == ~a7~0) && 1 == ~a17~0 && (6 == ~a16~0 && !(1 == ~a20~0) && (6 == calculate_output_~input#1 && 8 == ~a12~0) && 1 == ~a21~0) && 15 == ~a8~0); 149196#L334 assume !(((1 == ~a21~0 && 15 == ~a8~0 && 8 == ~a12~0 && !(1 == ~a7~0) && !(1 == ~a17~0) && 2 == calculate_output_~input#1) && 4 == ~a16~0) && 1 == ~a20~0); 149194#L339 assume !(15 == ~a8~0 && (4 == ~a16~0 && 8 == ~a12~0 && (!(1 == ~a20~0) && !(1 == ~a7~0) && 1 == calculate_output_~input#1) && !(1 == ~a17~0)) && 1 == ~a21~0); 134138#L343 assume !(1 == ~a21~0 && (8 == ~a12~0 && ((1 == ~a17~0 && 3 == calculate_output_~input#1 && (5 == ~a16~0 || 6 == ~a16~0)) && !(1 == ~a7~0)) && 1 == ~a20~0) && 15 == ~a8~0); 134139#L347 assume !(!(1 == ~a21~0) && 1 == ~a20~0 && (8 == ~a12~0 && 13 == ~a8~0 && ((5 == ~a16~0 && !(1 == ~a17~0)) || (1 == ~a17~0 && 6 == ~a16~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) && 2 == calculate_output_~input#1) && 1 == ~a7~0); 133971#L355 assume !(1 == ~a7~0 && 8 == ~a12~0 && ((1 == ~a20~0 && ((!(1 == ~a17~0) && 5 == ~a16~0) || (1 == ~a17~0 && 6 == ~a16~0) || (4 == ~a16~0 && !(1 == ~a17~0))) && 4 == calculate_output_~input#1) && 13 == ~a8~0) && !(1 == ~a21~0)); 133972#L363 assume !(1 == ~a21~0 && (((!(1 == ~a7~0) && 15 == ~a8~0 && !(1 == ~a20~0) && 4 == calculate_output_~input#1) && 1 == ~a17~0) && 5 == ~a16~0) && 8 == ~a12~0); 134034#L365 assume !(((!(1 == ~a7~0) && (!(1 == ~a20~0) && 1 == ~a21~0 && 3 == calculate_output_~input#1 && 1 == ~a17~0) && 15 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0); 134035#L371 assume !((((!(1 == ~a17~0) && !(1 == ~a20~0) && 15 == ~a8~0 && 1 == calculate_output_~input#1 && 5 == ~a16~0) && 8 == ~a12~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 134201#L373 assume !(((1 == ~a21~0 && 15 == ~a8~0 && (5 == ~a16~0 && 8 == ~a12~0 && 1 == calculate_output_~input#1) && 1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)); 134202#L375 assume !((!(1 == ~a21~0) && 1 == ~a20~0 && ((13 == ~a8~0 && 1 == ~a7~0 && 5 == calculate_output_~input#1) && 1 == ~a17~0) && 8 == ~a12~0) && 5 == ~a16~0); 134203#L382 assume !(((!(1 == ~a7~0) && 1 == ~a21~0 && ((6 == calculate_output_~input#1 && 1 == ~a20~0) && 15 == ~a8~0) && !(1 == ~a17~0)) && 8 == ~a12~0) && 4 == ~a16~0); 134204#L387 assume !(((1 == ~a20~0 && ((!(1 == ~a21~0) && 1 == ~a7~0 && 1 == calculate_output_~input#1) && 13 == ~a8~0) && 1 == ~a17~0) && 8 == ~a12~0) && 5 == ~a16~0); 134010#L392 assume !(8 == ~a12~0 && 5 == calculate_output_~input#1 && ((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 15 == ~a8~0) && 6 == ~a16~0) && 1 == ~a21~0) || (!(1 == ~a21~0) && 4 == ~a16~0 && (1 == ~a20~0 && 1 == ~a7~0 && 1 == ~a17~0) && 13 == ~a8~0))); 134012#L401 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 134148#L401-2 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 134149#L404-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 134153#L407-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 134154#L410-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 149265#L413-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 149264#L416-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 149263#L419-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 149262#L422-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 149261#L425-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 149260#L428-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133834#L431-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 133835#L434-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 149259#L437-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133909#L440-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133910#L443-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 149258#L446-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 149257#L449-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133960#L452-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133961#L455-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 134225#L458-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 134226#L461-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133936#L464-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133937#L467-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 149256#L470-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 149255#L473-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 133975#L476-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 133976#L479-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 134069#L482-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 149253#L485-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 149252#L488-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 149251#L491-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 149250#L494-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133963#L497-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133964#L500-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134045#L503-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 134046#L506-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134070#L509-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 134108#L512-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133891#L515-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133892#L518-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 134099#L521-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 134100#L524-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 134166#L527-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134092#L530-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 134093#L533-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 149246#L536-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134030#L539-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 134031#L542-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134038#L545-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134175#L548-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134176#L551-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 149244#L554-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134115#L557-1 assume !((((((1 == ~a17~0 && 1 == ~a7~0) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134116#L560-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 149243#L563-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && !(1 == ~a20~0)) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 149242#L566-1 assume !((((((1 == ~a17~0 && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 13 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 133838#L569-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 133839#L572-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 6 == ~a16~0) && 1 == ~a21~0); 149241#L575-1 assume !((((((!(1 == ~a17~0) && 1 == ~a7~0) && 1 == ~a20~0) && 14 == ~a8~0) && 8 == ~a12~0) && 4 == ~a16~0) && 1 == ~a21~0); 134006#L578-1 assume !((((((!(1 == ~a17~0) && !(1 == ~a7~0)) && 1 == ~a20~0) && 13 == ~a8~0) && 8 == ~a12~0) && 5 == ~a16~0) && 1 == ~a21~0); 134007#L581-1 calculate_output_#res#1 := -2; 133879#calculate_output_returnLabel#1 main_#t~ret7#1 := calculate_output_#res#1;havoc calculate_output_~input#1;havoc calculate_output_#in~input#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1;havoc main_~input~0#1; 133880#L593-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet6#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 134197#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 134198#L41 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 149193#L45 [2023-11-19 07:51:31,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:31,723 INFO L85 PathProgramCache]: Analyzing trace with hash 28699821, now seen corresponding path program 3 times [2023-11-19 07:51:31,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:31,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257221360] [2023-11-19 07:51:31,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:31,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:31,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:31,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:31,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:31,764 INFO L85 PathProgramCache]: Analyzing trace with hash -910756140, now seen corresponding path program 1 times [2023-11-19 07:51:31,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:31,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965253783] [2023-11-19 07:51:31,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:31,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:31,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:31,892 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:31,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:31,896 INFO L85 PathProgramCache]: Analyzing trace with hash -429491544, now seen corresponding path program 1 times [2023-11-19 07:51:31,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:31,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821342616] [2023-11-19 07:51:31,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:31,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:34,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:51:34,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:34,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821342616] [2023-11-19 07:51:34,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821342616] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:51:34,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:51:34,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:51:34,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281576972] [2023-11-19 07:51:34,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:43,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:43,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 07:51:43,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:51:43,182 INFO L87 Difference]: Start difference. First operand 16882 states and 19947 transitions. cyclomatic complexity: 3127 Second operand has 10 states, 10 states have (on average 13.6) internal successors, (136), 9 states have internal predecessors, (136), 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) [2023-11-19 07:51:44,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:44,652 INFO L93 Difference]: Finished difference Result 17618 states and 20695 transitions. [2023-11-19 07:51:44,652 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17618 states and 20695 transitions. [2023-11-19 07:51:44,797 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 5240 [2023-11-19 07:51:44,884 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17618 states to 17182 states and 20259 transitions. [2023-11-19 07:51:44,885 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5258 [2023-11-19 07:51:44,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5258 [2023-11-19 07:51:44,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17182 states and 20259 transitions. [2023-11-19 07:51:44,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:51:44,904 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17182 states and 20259 transitions. [2023-11-19 07:51:44,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17182 states and 20259 transitions. [2023-11-19 07:51:45,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17182 to 17182. [2023-11-19 07:51:45,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17182 states, 17182 states have (on average 1.1790827610289838) internal successors, (20259), 17181 states have internal predecessors, (20259), 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) [2023-11-19 07:51:45,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17182 states to 17182 states and 20259 transitions. [2023-11-19 07:51:45,217 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17182 states and 20259 transitions. [2023-11-19 07:51:45,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 07:51:45,222 INFO L428 stractBuchiCegarLoop]: Abstraction has 17182 states and 20259 transitions. [2023-11-19 07:51:45,223 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-19 07:51:45,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17182 states and 20259 transitions. [2023-11-19 07:51:45,304 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 5240 [2023-11-19 07:51:45,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:51:45,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:51:45,305 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:51:45,306 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:45,306 INFO L748 eck$LassoCheckResult]: Stem: 168464#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(20, 2);call #Ultimate.allocInit(12, 3);~a~0 := 1;~d~0 := 4;~e~0 := 5;~f~0 := 6;~c~0 := 3;~b~0 := 2;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a17~0 := 1;~a7~0 := 0;~a20~0 := 1;~a8~0 := 15;~a12~0 := 8;~a16~0 := 5;~a21~0 := 1; 168465#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 168515#L593-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet6#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 169511#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 169692#L41 assume (15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0;~a16~0 := 5;~a20~0 := 0;calculate_output_#res#1 := 24; 170174#calculate_output_returnLabel#1 main_#t~ret7#1 := calculate_output_#res#1;havoc calculate_output_~input#1;havoc calculate_output_#in~input#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1;havoc main_~input~0#1; 174344#L593-2 [2023-11-19 07:51:45,306 INFO L750 eck$LassoCheckResult]: Loop: 174344#L593-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet6#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 184993#L598 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 168757#L41 assume !((15 == ~a8~0 && (((1 == ~a21~0 && (5 == ~a16~0 || 6 == ~a16~0) && 1 == calculate_output_~input#1) && 1 == ~a20~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0); 168758#L45 assume !((((((5 == calculate_output_~input#1 && (((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0))) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && !(1 == ~a21~0)) && 13 == ~a8~0); 184804#L53 assume !((!(1 == ~a7~0) && ((6 == ~a16~0 && 1 == ~a21~0 && 1 == ~a17~0 && 3 == calculate_output_~input#1) && !(1 == ~a20~0)) && 15 == ~a8~0) && 8 == ~a12~0); 184800#L59 assume !(1 == ~a17~0 && (!(1 == ~a7~0) && (1 == ~a21~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 6 == calculate_output_~input#1) && 1 == ~a20~0) && 15 == ~a8~0) && 8 == ~a12~0); 184795#L64 assume !((3 == calculate_output_~input#1 && (((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a7~0) && !(1 == ~a17~0)) && 15 == ~a8~0) && 1 == ~a21~0) || (((13 == ~a8~0 && 1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 4 == ~a16~0) && !(1 == ~a21~0)))) && 8 == ~a12~0); 184790#L72 assume !((1 == ~a17~0 && (1 == ~a21~0 && (!(1 == ~a7~0) && 4 == calculate_output_~input#1 && 15 == ~a8~0) && !(1 == ~a20~0)) && 8 == ~a12~0) && 6 == ~a16~0); 184785#L75 assume !((8 == ~a12~0 && (1 == ~a21~0 && ((5 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 5 == ~a16~0) && !(1 == ~a20~0)) && !(1 == ~a17~0)); 184780#L82 assume !(8 == ~a12~0 && 1 == calculate_output_~input#1 && ((1 == ~a21~0 && (15 == ~a8~0 && (!(1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 6 == ~a16~0) || (!(1 == ~a21~0) && 4 == ~a16~0 && 13 == ~a8~0 && (1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0))); 184775#L90 assume !((((!(1 == ~a17~0) && !(1 == ~a7~0) && 1 == ~a21~0 && 15 == ~a8~0 && 4 == calculate_output_~input#1) && !(1 == ~a20~0)) && 8 == ~a12~0) && 4 == ~a16~0); 184770#L94 assume !(((((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a21~0) || ((4 == ~a16~0 && (1 == ~a20~0 && 1 == ~a17~0 && 1 == ~a7~0) && 13 == ~a8~0) && !(1 == ~a21~0))) && 2 == calculate_output_~input#1) && 8 == ~a12~0); 184765#L102 assume !(13 == ~a8~0 && !(1 == ~a21~0) && ((3 == calculate_output_~input#1 && (((1 == ~a20~0 && !(1 == ~a17~0)) && 6 == ~a16~0) || ((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0))) && 8 == ~a12~0) && 1 == ~a7~0); 184760#L107 assume !(((1 == ~a21~0 && 8 == ~a12~0 && 1 == calculate_output_~input#1 && (((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0) || (5 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0) || (6 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0))) && !(1 == ~a7~0)) && 15 == ~a8~0); 184755#L112 assume !((5 == ~a16~0 && (1 == ~a7~0 && (!(1 == ~a21~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1) && 13 == ~a8~0) && 1 == ~a17~0) && 1 == ~a20~0); 184750#L118 assume !(1 == ~a17~0 && (15 == ~a8~0 && (8 == ~a12~0 && (!(1 == ~a7~0) && 5 == calculate_output_~input#1) && 1 == ~a21~0) && !(1 == ~a20~0)) && 5 == ~a16~0); 184745#L124 assume !(!(1 == ~a7~0) && (((1 == ~a21~0 && (15 == ~a8~0 && 5 == calculate_output_~input#1) && !(1 == ~a17~0)) && 8 == ~a12~0) && 1 == ~a20~0) && 4 == ~a16~0); 184740#L129 assume !((!(1 == ~a21~0) && (8 == ~a12~0 && ((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0)) && 1 == calculate_output_~input#1) && 13 == ~a8~0) && 1 == ~a7~0); 184735#L134 assume !(1 == ~a17~0 && !(1 == ~a7~0) && (1 == ~a21~0 && (8 == ~a12~0 && 5 == calculate_output_~input#1 && (5 == ~a16~0 || 6 == ~a16~0)) && 1 == ~a20~0) && 15 == ~a8~0); 184730#L139 assume !((8 == ~a12~0 && !(1 == ~a21~0) && 1 == ~a7~0 && 13 == ~a8~0 && 6 == calculate_output_~input#1 && (((6 == ~a16~0 && 1 == ~a17~0) || (4 == ~a16~0 && !(1 == ~a17~0))) || (5 == ~a16~0 && !(1 == ~a17~0)))) && 1 == ~a20~0); 184725#L146 assume !((5 == ~a16~0 && ((15 == ~a8~0 && (!(1 == ~a7~0) && 2 == calculate_output_~input#1) && 1 == ~a21~0) && 8 == ~a12~0) && !(1 == ~a20~0)) && !(1 == ~a17~0)); 184720#L150 assume !(!(1 == ~a20~0) && 1 == ~a21~0 && 4 == ~a16~0 && 15 == ~a8~0 && (8 == ~a12~0 && 2 == calculate_output_~input#1 && !(1 == ~a7~0)) && !(1 == ~a17~0)); 184715#L154 assume !((1 == ~a21~0 && !(1 == ~a7~0) && (!(1 == ~a20~0) && !(1 == ~a17~0) && 8 == ~a12~0 && 6 == calculate_output_~input#1) && 4 == ~a16~0) && 15 == ~a8~0); 184710#L158 assume !(1 == ~a17~0 && ((((8 == ~a12~0 && 4 == calculate_output_~input#1 && 13 == ~a8~0) && 1 == ~a20~0) && !(1 == ~a21~0)) && 5 == ~a16~0) && 1 == ~a7~0); 184705#L162 assume !(((13 == ~a8~0 && 8 == ~a12~0 && ((((6 == ~a16~0 && 1 == ~a17~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) || (!(1 == ~a17~0) && 5 == ~a16~0)) && 1 == calculate_output_~input#1) && !(1 == ~a21~0)) && 1 == ~a20~0) && 1 == ~a7~0); 184700#L170 assume !(13 == ~a8~0 && !(1 == ~a21~0) && (((((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0))) && 5 == calculate_output_~input#1) && 1 == ~a7~0) && 8 == ~a12~0); 184695#L175 assume !((!(1 == ~a21~0) && ((((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0)) && 4 == calculate_output_~input#1) && 1 == ~a7~0) && 8 == ~a12~0) && 13 == ~a8~0); 184690#L183 assume !((1 == ~a21~0 && !(1 == ~a7~0) && ((((5 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0)) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0))) && 4 == calculate_output_~input#1) && 8 == ~a12~0) && 15 == ~a8~0); 184685#L188 assume !(((((6 == ~a16~0 && (!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a21~0) || ((4 == ~a16~0 && ((1 == ~a7~0 && 1 == ~a17~0) && 1 == ~a20~0) && 13 == ~a8~0) && !(1 == ~a21~0))) && 4 == calculate_output_~input#1) && 8 == ~a12~0); 184680#L196 assume !(!(1 == ~a17~0) && (8 == ~a12~0 && !(1 == ~a20~0) && (15 == ~a8~0 && 1 == ~a21~0 && 4 == calculate_output_~input#1) && !(1 == ~a7~0)) && 5 == ~a16~0); 184675#L199 assume !(((!(1 == ~a7~0) && (2 == calculate_output_~input#1 && (((5 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) || (4 == ~a16~0 && !(1 == ~a20~0) && 1 == ~a17~0))) && 15 == ~a8~0) && 8 == ~a12~0) && 1 == ~a21~0); 184670#L204 assume !(!(1 == ~a20~0) && (((((6 == calculate_output_~input#1 && 5 == ~a16~0) && 1 == ~a21~0) && !(1 == ~a17~0)) && 8 == ~a12~0) && !(1 == ~a7~0)) && 15 == ~a8~0); 184665#L207 assume !(8 == ~a12~0 && (((((1 == ~a21~0 && 5 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && !(1 == ~a20~0)) && 6 == ~a16~0); 184660#L213 assume !(((15 == ~a8~0 && !(1 == ~a7~0) && (((!(1 == ~a20~0) && 1 == ~a17~0) && 4 == ~a16~0) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 5 == ~a16~0) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) && 6 == calculate_output_~input#1) && 8 == ~a12~0) && 1 == ~a21~0); 184655#L218 assume !(15 == ~a8~0 && 4 == ~a16~0 && !(1 == ~a20~0) && ((1 == ~a21~0 && !(1 == ~a17~0) && 5 == calculate_output_~input#1) && !(1 == ~a7~0)) && 8 == ~a12~0); 184650#L224 assume !(1 == ~a17~0 && 8 == ~a12~0 && 15 == ~a8~0 && ((!(1 == ~a7~0) && (5 == ~a16~0 || 6 == ~a16~0) && 2 == calculate_output_~input#1) && 1 == ~a21~0) && 1 == ~a20~0); 184645#L228 assume !(!(1 == ~a7~0) && (15 == ~a8~0 && (!(1 == ~a17~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1 && 1 == ~a21~0) && 4 == ~a16~0) && 1 == ~a20~0); 184640#L233 assume !(5 == ~a16~0 && (!(1 == ~a21~0) && (13 == ~a8~0 && (2 == calculate_output_~input#1 && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a7~0) && 1 == ~a17~0); 184635#L241 assume !(1 == ~a20~0 && (8 == ~a12~0 && 1 == ~a7~0 && 13 == ~a8~0 && ((!(1 == ~a17~0) && 5 == ~a16~0) || (1 == ~a17~0 && 6 == ~a16~0) || (!(1 == ~a17~0) && 4 == ~a16~0)) && 3 == calculate_output_~input#1) && !(1 == ~a21~0)); 184630#L248 assume !(8 == ~a12~0 && 1 == ~a7~0 && !(1 == ~a21~0) && 13 == ~a8~0 && 6 == calculate_output_~input#1 && ((6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0)) || (4 == ~a16~0 && 1 == ~a17~0 && !(1 == ~a20~0)))); 184625#L255 assume !((!(1 == ~a7~0) && !(1 == ~a17~0) && ((4 == ~a16~0 && 15 == ~a8~0 && 1 == calculate_output_~input#1) && 8 == ~a12~0) && 1 == ~a21~0) && 1 == ~a20~0); 184620#L260 assume !(1 == ~a17~0 && (1 == ~a21~0 && !(1 == ~a20~0) && 8 == ~a12~0 && 15 == ~a8~0 && !(1 == ~a7~0) && 1 == calculate_output_~input#1) && 6 == ~a16~0); 184615#L266 assume !(1 == ~a20~0 && 8 == ~a12~0 && ((1 == ~a17~0 && ((5 == ~a16~0 || 6 == ~a16~0) && 4 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 184611#L271 assume !(((13 == ~a8~0 && (((!(1 == ~a21~0) && 6 == calculate_output_~input#1) && 1 == ~a20~0) && 8 == ~a12~0) && 1 == ~a17~0) && 1 == ~a7~0) && 5 == ~a16~0); 184606#L275 assume !(5 == ~a16~0 && (((8 == ~a12~0 && !(1 == ~a7~0) && 2 == calculate_output_~input#1 && !(1 == ~a20~0)) && 1 == ~a21~0) && 1 == ~a17~0) && 15 == ~a8~0); 184607#L278 assume !((8 == ~a12~0 && ((!(1 == ~a17~0) && 1 == ~a21~0 && 4 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 1 == ~a20~0) && 4 == ~a16~0); 185141#L283 assume !(1 == ~a7~0 && 13 == ~a8~0 && 8 == ~a12~0 && !(1 == ~a21~0) && 2 == calculate_output_~input#1 && (((1 == ~a20~0 && !(1 == ~a17~0)) && 6 == ~a16~0) || ((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0))); 185139#L288 assume !(((((((!(1 == ~a20~0) && !(1 == ~a17~0) && !(1 == ~a7~0)) && 15 == ~a8~0) && 6 == ~a16~0) && 1 == ~a21~0) || (((13 == ~a8~0 && (1 == ~a17~0 && 1 == ~a7~0) && 1 == ~a20~0) && 4 == ~a16~0) && !(1 == ~a21~0))) && 6 == calculate_output_~input#1) && 8 == ~a12~0); 185134#L296 assume !((!(1 == ~a7~0) && !(1 == ~a17~0) && (((3 == calculate_output_~input#1 && 1 == ~a21~0) && 4 == ~a16~0) && 15 == ~a8~0) && 8 == ~a12~0) && !(1 == ~a20~0)); 185128#L302 assume !((((8 == ~a12~0 && (((1 == ~a17~0 && !(1 == ~a20~0)) && 4 == ~a16~0) || ((1 == ~a20~0 && !(1 == ~a17~0)) && 5 == ~a16~0) || ((!(1 == ~a17~0) && 1 == ~a20~0) && 6 == ~a16~0)) && 3 == calculate_output_~input#1) && 15 == ~a8~0) && 1 == ~a21~0) && !(1 == ~a7~0)); 185124#L309 assume !(((!(1 == ~a7~0) && (5 == calculate_output_~input#1 && (((5 == ~a16~0 && !(1 == ~a17~0) && 1 == ~a20~0) || (6 == ~a16~0 && 1 == ~a20~0 && !(1 == ~a17~0))) || (4 == ~a16~0 && !(1 == ~a20~0) && 1 == ~a17~0))) && 8 == ~a12~0) && 1 == ~a21~0) && 15 == ~a8~0); 185120#L316 assume !((!(1 == ~a7~0) && (1 == ~a21~0 && (1 == ~a17~0 && 8 == ~a12~0 && 2 == calculate_output_~input#1) && !(1 == ~a20~0)) && 6 == ~a16~0) && 15 == ~a8~0); 184994#L322 assume !((!(1 == ~a17~0) && 1 == ~a21~0 && (!(1 == ~a20~0) && 8 == ~a12~0 && 3 == calculate_output_~input#1 && !(1 == ~a7~0)) && 15 == ~a8~0) && 5 == ~a16~0); 180509#L326 assume (5 == ~a16~0 && !(1 == ~a20~0) && (((6 == calculate_output_~input#1 && 1 == ~a21~0) && 1 == ~a17~0) && !(1 == ~a7~0)) && 8 == ~a12~0) && 15 == ~a8~0;calculate_output_#res#1 := 24; 180510#calculate_output_returnLabel#1 main_#t~ret7#1 := calculate_output_#res#1;havoc calculate_output_~input#1;havoc calculate_output_#in~input#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1;havoc main_~input~0#1; 174344#L593-2 [2023-11-19 07:51:45,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:45,307 INFO L85 PathProgramCache]: Analyzing trace with hash 889695228, now seen corresponding path program 2 times [2023-11-19 07:51:45,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:45,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261256059] [2023-11-19 07:51:45,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:45,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:45,319 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:45,328 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:45,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:45,330 INFO L85 PathProgramCache]: Analyzing trace with hash -162979551, now seen corresponding path program 2 times [2023-11-19 07:51:45,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:45,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874179282] [2023-11-19 07:51:45,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:45,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:45,355 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:45,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:45,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:45,376 INFO L85 PathProgramCache]: Analyzing trace with hash -553625914, now seen corresponding path program 1 times [2023-11-19 07:51:45,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:45,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909627402] [2023-11-19 07:51:45,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:45,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:45,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:45,437 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:46,424 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:46,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:51:46 BoogieIcfgContainer [2023-11-19 07:51:46,523 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:51:46,524 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:51:46,524 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:51:46,524 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:51:46,525 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:14" (3/4) ... [2023-11-19 07:51:46,527 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 07:51:46,611 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:51:46,611 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:51:46,612 INFO L158 Benchmark]: Toolchain (without parser) took 34969.85ms. Allocated memory was 159.4MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 108.5MB in the beginning and 920.5MB in the end (delta: -812.1MB). Peak memory consumption was 553.3MB. Max. memory is 16.1GB. [2023-11-19 07:51:46,612 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 159.4MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:51:46,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 748.58ms. Allocated memory is still 159.4MB. Free memory was 108.2MB in the beginning and 80.7MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 07:51:46,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.94ms. Allocated memory is still 159.4MB. Free memory was 80.4MB in the beginning and 74.7MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:51:46,613 INFO L158 Benchmark]: Boogie Preprocessor took 150.10ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 74.7MB in the beginning and 202.9MB in the end (delta: -128.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-11-19 07:51:46,614 INFO L158 Benchmark]: RCFGBuilder took 1575.13ms. Allocated memory is still 237.0MB. Free memory was 202.9MB in the beginning and 126.4MB in the end (delta: 76.5MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2023-11-19 07:51:46,614 INFO L158 Benchmark]: BuchiAutomizer took 32299.39ms. Allocated memory was 237.0MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 125.4MB in the beginning and 923.7MB in the end (delta: -798.3MB). Peak memory consumption was 487.2MB. Max. memory is 16.1GB. [2023-11-19 07:51:46,615 INFO L158 Benchmark]: Witness Printer took 87.48ms. Allocated memory is still 1.5GB. Free memory was 923.7MB in the beginning and 920.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:51:46,617 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 159.4MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 748.58ms. Allocated memory is still 159.4MB. Free memory was 108.2MB in the beginning and 80.7MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.94ms. Allocated memory is still 159.4MB. Free memory was 80.4MB in the beginning and 74.7MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.10ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 74.7MB in the beginning and 202.9MB in the end (delta: -128.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1575.13ms. Allocated memory is still 237.0MB. Free memory was 202.9MB in the beginning and 126.4MB in the end (delta: 76.5MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 32299.39ms. Allocated memory was 237.0MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 125.4MB in the beginning and 923.7MB in the end (delta: -798.3MB). Peak memory consumption was 487.2MB. Max. memory is 16.1GB. * Witness Printer took 87.48ms. Allocated memory is still 1.5GB. Free memory was 923.7MB in the beginning and 920.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 8 terminating modules (4 trivial, 4 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function a20 and consists of 4 locations. One deterministic module has affine ranking function a8 and consists of 4 locations. One deterministic module has affine ranking function a17 and consists of 4 locations. One deterministic module has affine ranking function a7 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 10 locations. The remainder module has 17182 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 32.1s and 7 iterations. TraceHistogramMax:1. Analysis of lassos took 20.9s. Construction of modules took 4.1s. Büchi inclusion checks took 5.0s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 8. Automata minimization 2.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 9426 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 1.5s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1439 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1435 mSDsluCounter, 268 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 323 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3781 IncrementalHoareTripleChecker+Invalid, 4104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 323 mSolverCounterUnsat, 223 mSDtfsCounter, 3781 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT2 conc2 concLT2 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital53 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf95 smp100 dnf181 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 63ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 6 SupportingInvariants: 0 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 21 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 593]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L17] int a= 1; [L18] int d= 4; [L19] int e= 5; [L20] int f= 6; [L21] int c= 3; [L22] int b= 2; [L25] int u = 21; [L26] int v = 22; [L27] int w = 23; [L28] int x = 24; [L29] int y = 25; [L30] int z = 26; [L32] int a17 = 1; [L33] int a7 = 0; [L34] int a20 = 1; [L35] int a8 = 15; [L36] int a12 = 8; [L37] int a16 = 5; [L38] int a21 = 1; VAL [a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, a=1, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L590] int output = -1; VAL [a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, a=1, b=2, c=3, d=4, e=5, f=6, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L593] COND TRUE 1 [L596] int input; [L597] EXPR input = __VERIFIER_nondet_int() [L598] COND FALSE, EXPR !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L601] CALL, EXPR calculate_output(input) [L41] COND TRUE (((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8)) [L42] a16 = 5 [L43] a20 = 0 [L44] return 24; VAL [\old(input)=1, \result=24, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, a=1, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L601] RET, EXPR calculate_output(input) [L601] EXPR output = calculate_output(input) [L594-L603] { // read input int input; input = __VERIFIER_nondet_int(); if ((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) return -2; // operate eca engine output = calculate_output(input); } VAL [a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, a=1, b=2, c=3, d=4, e=5, f=6, output=24, u=21, v=22, w=23, x=24, y=25, z=26] Loop: [L593] COND TRUE 1 [L596] int input; [L597] EXPR input = __VERIFIER_nondet_int() [L598] COND FALSE, EXPR !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L601] CALL, EXPR calculate_output(input) [L41] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L45] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L53] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L59] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L64] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L72] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L75] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L82] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L90] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L94] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L102] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L107] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L112] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) [L118] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) [L124] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) [L129] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) [L134] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) [L139] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) [L146] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) [L150] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) [L154] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) [L158] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) [L162] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) [L170] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) [L175] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) [L183] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) [L188] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) [L196] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) [L199] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) [L204] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) [L207] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) [L213] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) [L218] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) [L224] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) [L228] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) [L233] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) [L241] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) [L248] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) [L255] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) [L260] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) [L266] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) [L271] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) [L275] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) [L278] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) [L283] COND FALSE !(((a7==1)&&((a8==13)&&((a12==8)&&(!(a21==1)&&((input==2)&&((((a20==1)&&!(a17==1))&&(a16==6))||(((a17==1)&&!(a20==1))&&(a16==4))))))))) [L288] COND FALSE !((((((((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15))&&(a16==6))&&(a21==1))||((((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))&&(a16==4))&&!(a21==1)))&&(input==6))&&(a12==8))) [L296] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) [L302] COND FALSE !((((((a12==8)&&(((((a17==1)&&!(a20==1))&&(a16==4))||((((a20==1)&&!(a17==1))&&(a16==5))||((!(a17==1)&&(a20==1))&&(a16==6))))&&(input==3)))&&(a8==15))&&(a21==1))&&!(a7==1))) [L309] COND FALSE !((((!(a7==1)&&(((input==5)&&((((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a12==8)))&&(a21==1))&&(a8==15))) [L316] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) [L322] COND FALSE !(((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5))) [L326] COND TRUE (((a16==5)&&(!(a20==1)&&(((((input==6)&&(a21==1))&&(a17==1))&&!(a7==1))&&(a12==8))))&&(a8==15)) [L327] return 24; [L601] RET, EXPR calculate_output(input) [L601] EXPR output = calculate_output(input) [L594-L603] { // read input int input; input = __VERIFIER_nondet_int(); if ((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) return -2; // operate eca engine output = calculate_output(input); } End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 593]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L17] int a= 1; [L18] int d= 4; [L19] int e= 5; [L20] int f= 6; [L21] int c= 3; [L22] int b= 2; [L25] int u = 21; [L26] int v = 22; [L27] int w = 23; [L28] int x = 24; [L29] int y = 25; [L30] int z = 26; [L32] int a17 = 1; [L33] int a7 = 0; [L34] int a20 = 1; [L35] int a8 = 15; [L36] int a12 = 8; [L37] int a16 = 5; [L38] int a21 = 1; VAL [a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, a=1, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L590] int output = -1; VAL [a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, a=1, b=2, c=3, d=4, e=5, f=6, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L593] COND TRUE 1 [L596] int input; [L597] EXPR input = __VERIFIER_nondet_int() [L598] COND FALSE, EXPR !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L601] CALL, EXPR calculate_output(input) [L41] COND TRUE (((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8)) [L42] a16 = 5 [L43] a20 = 0 [L44] return 24; VAL [\old(input)=1, \result=24, a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, a=1, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L601] RET, EXPR calculate_output(input) [L601] EXPR output = calculate_output(input) [L594-L603] { // read input int input; input = __VERIFIER_nondet_int(); if ((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) return -2; // operate eca engine output = calculate_output(input); } VAL [a12=8, a16=5, a17=1, a20=0, a21=1, a7=0, a8=15, a=1, b=2, c=3, d=4, e=5, f=6, output=24, u=21, v=22, w=23, x=24, y=25, z=26] Loop: [L593] COND TRUE 1 [L596] int input; [L597] EXPR input = __VERIFIER_nondet_int() [L598] COND FALSE, EXPR !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L601] CALL, EXPR calculate_output(input) [L41] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L45] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L53] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L59] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L64] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L72] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L75] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L82] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L90] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L94] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L102] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L107] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L112] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) [L118] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) [L124] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) [L129] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) [L134] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) [L139] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) [L146] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) [L150] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) [L154] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) [L158] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) [L162] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) [L170] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) [L175] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) [L183] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) [L188] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) [L196] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) [L199] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) [L204] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) [L207] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) [L213] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) [L218] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) [L224] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) [L228] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) [L233] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) [L241] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) [L248] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) [L255] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) [L260] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) [L266] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) [L271] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) [L275] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) [L278] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) [L283] COND FALSE !(((a7==1)&&((a8==13)&&((a12==8)&&(!(a21==1)&&((input==2)&&((((a20==1)&&!(a17==1))&&(a16==6))||(((a17==1)&&!(a20==1))&&(a16==4))))))))) [L288] COND FALSE !((((((((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15))&&(a16==6))&&(a21==1))||((((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))&&(a16==4))&&!(a21==1)))&&(input==6))&&(a12==8))) [L296] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) [L302] COND FALSE !((((((a12==8)&&(((((a17==1)&&!(a20==1))&&(a16==4))||((((a20==1)&&!(a17==1))&&(a16==5))||((!(a17==1)&&(a20==1))&&(a16==6))))&&(input==3)))&&(a8==15))&&(a21==1))&&!(a7==1))) [L309] COND FALSE !((((!(a7==1)&&(((input==5)&&((((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a12==8)))&&(a21==1))&&(a8==15))) [L316] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) [L322] COND FALSE !(((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5))) [L326] COND TRUE (((a16==5)&&(!(a20==1)&&(((((input==6)&&(a21==1))&&(a17==1))&&!(a7==1))&&(a12==8))))&&(a8==15)) [L327] return 24; [L601] RET, EXPR calculate_output(input) [L601] EXPR output = calculate_output(input) [L594-L603] { // read input int input; input = __VERIFIER_nondet_int(); if ((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) return -2; // operate eca engine output = calculate_output(input); } End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:51:46,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a91b38-9ea4-4cd0-be3d-27108ba40e51/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)