./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/heapsort.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/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_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/heapsort.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/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_3c1a4779-654c-424f-bba2-3b65c6a3a658/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 8e7c8e5dc2a9e8f11b25d1bb9948f05f37b9553e3dc9f8bd8213088dea43cb37 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:58:32,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:58:32,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:58:32,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:58:32,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:58:32,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:58:32,467 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:58:32,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:58:32,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:58:32,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:58:32,477 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:58:32,478 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:58:32,478 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:58:32,480 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:58:32,481 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:58:32,482 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:58:32,482 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:58:32,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:58:32,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:58:32,484 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:58:32,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:58:32,486 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:58:32,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:58:32,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:58:32,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:58:32,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:58:32,489 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:58:32,489 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:58:32,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:58:32,490 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:58:32,492 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:58:32,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:58:32,492 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:58:32,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:58:32,493 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:58:32,494 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:58:32,495 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_3c1a4779-654c-424f-bba2-3b65c6a3a658/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e7c8e5dc2a9e8f11b25d1bb9948f05f37b9553e3dc9f8bd8213088dea43cb37 [2023-11-19 07:58:32,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:58:32,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:58:32,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:58:32,901 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:58:32,901 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:58:32,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/loop-invgen/heapsort.i [2023-11-19 07:58:36,025 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:58:36,316 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:58:36,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/sv-benchmarks/c/loop-invgen/heapsort.i [2023-11-19 07:58:36,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/data/a064ac2d0/cc9c5919ed7a457a84c3bbe37feb7c12/FLAGc137092c1 [2023-11-19 07:58:36,348 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/data/a064ac2d0/cc9c5919ed7a457a84c3bbe37feb7c12 [2023-11-19 07:58:36,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:58:36,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:58:36,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:36,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:58:36,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:58:36,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:36" (1/1) ... [2023-11-19 07:58:36,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@387831f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:36, skipping insertion in model container [2023-11-19 07:58:36,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:36" (1/1) ... [2023-11-19 07:58:36,395 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:58:36,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:36,612 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:58:36,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:36,649 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:58:36,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:36 WrapperNode [2023-11-19 07:58:36,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:36,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:36,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:58:36,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:58:36,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:36" (1/1) ... [2023-11-19 07:58:36,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:36" (1/1) ... [2023-11-19 07:58:36,693 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 17, calls inlined = 30, statements flattened = 202 [2023-11-19 07:58:36,693 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:36,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:58:36,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:58:36,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:58:36,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:36" (1/1) ... [2023-11-19 07:58:36,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:36" (1/1) ... [2023-11-19 07:58:36,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:36" (1/1) ... [2023-11-19 07:58:36,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:36" (1/1) ... [2023-11-19 07:58:36,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:36" (1/1) ... [2023-11-19 07:58:36,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:36" (1/1) ... [2023-11-19 07:58:36,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:36" (1/1) ... [2023-11-19 07:58:36,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:36" (1/1) ... [2023-11-19 07:58:36,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:58:36,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:58:36,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:58:36,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:58:36,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:36" (1/1) ... [2023-11-19 07:58:36,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:36,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:36,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:36,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:58:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:58:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:58:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:58:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:58:36,879 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:58:36,881 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:58:37,178 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:58:37,188 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:58:37,191 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:58:37,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:37 BoogieIcfgContainer [2023-11-19 07:58:37,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:58:37,198 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:58:37,198 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:58:37,203 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:58:37,204 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:58:37,204 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:58:36" (1/3) ... [2023-11-19 07:58:37,205 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@135a39d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:58:37, skipping insertion in model container [2023-11-19 07:58:37,206 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:58:37,206 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:36" (2/3) ... [2023-11-19 07:58:37,206 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@135a39d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:58:37, skipping insertion in model container [2023-11-19 07:58:37,207 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:58:37,207 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:37" (3/3) ... [2023-11-19 07:58:37,209 INFO L332 chiAutomizerObserver]: Analyzing ICFG heapsort.i [2023-11-19 07:58:37,290 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:58:37,290 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:58:37,290 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:58:37,290 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:58:37,291 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:58:37,291 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:58:37,291 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:58:37,292 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:58:37,297 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 84 states have internal predecessors, (122), 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 07:58:37,323 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2023-11-19 07:58:37,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:37,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:37,332 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 07:58:37,332 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:37,332 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:58:37,334 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 84 states have internal predecessors, (122), 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 07:58:37,347 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2023-11-19 07:58:37,347 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:37,347 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:37,348 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 07:58:37,348 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:37,355 INFO L748 eck$LassoCheckResult]: Stem: 40#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 52#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~argv#1.base, main_~argv#1.offset, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~argv#1.base, main_~argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 24#L27true assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 3#L30true assume !(main_~l~0#1 > 1);main_#t~post3#1 := main_~r~0#1;main_~r~0#1 := main_#t~post3#1 - 1;havoc main_#t~post3#1; 17#L59-1true [2023-11-19 07:58:37,356 INFO L750 eck$LassoCheckResult]: Loop: 17#L59-1true assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 72#L38-2true assume !(main_~j~0#1 <= main_~r~0#1); 49#L38-3true assume main_~l~0#1 > 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~l~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 16#L18-30true assume !(0 == __VERIFIER_assert_~cond#1); 25#L18-32true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~l~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 46#L18-33true assume !(0 == __VERIFIER_assert_~cond#1); 14#L18-35true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post6#1 := main_~l~0#1;main_~l~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 17#L59-1true [2023-11-19 07:58:37,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:37,361 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2023-11-19 07:58:37,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:37,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662513829] [2023-11-19 07:58:37,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:37,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:37,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:37,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:37,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:37,575 INFO L85 PathProgramCache]: Analyzing trace with hash -78633890, now seen corresponding path program 1 times [2023-11-19 07:58:37,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:37,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278985309] [2023-11-19 07:58:37,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:37,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:37,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:37,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:37,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:37,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1881186967, now seen corresponding path program 1 times [2023-11-19 07:58:37,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:37,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334228286] [2023-11-19 07:58:37,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:37,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:37,760 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 07:58:37,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:37,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334228286] [2023-11-19 07:58:37,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334228286] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:37,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:37,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:58:37,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330940125] [2023-11-19 07:58:37,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:37,969 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:37,970 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:37,970 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:37,970 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:37,970 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:58:37,971 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:37,971 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:37,971 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:37,971 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration1_Loop [2023-11-19 07:58:37,972 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:37,972 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:37,990 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 07:58:38,053 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 07:58:38,056 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 07:58:38,059 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 07:58:38,183 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:38,184 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:58:38,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:38,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:38,190 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:38,201 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:38,202 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:38,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:58:38,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:38,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:38,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:38,255 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:38,263 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:58:38,263 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:38,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:58:38,605 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:58:38,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:38,614 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:38,614 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:38,614 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:38,614 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:38,614 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:58:38,615 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:38,615 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:38,615 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:38,615 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration1_Loop [2023-11-19 07:58:38,615 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:38,615 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:38,617 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 07:58:38,622 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 07:58:38,625 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 07:58:38,628 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 07:58:38,698 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:38,703 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:58:38,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:38,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:38,706 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:38,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:58:38,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:58:38,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:38,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:38,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:38,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:38,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:38,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:38,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:38,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:38,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:38,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:38,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:38,777 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:38,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:38,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:38,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:38,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:38,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:38,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:38,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:58:38,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:38,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:38,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:38,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:38,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:38,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:38,844 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:38,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:58:38,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:38,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:38,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:38,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:38,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:38,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:38,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:38,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:38,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:38,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:38,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:38,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:38,916 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:38,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:58:38,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:38,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:38,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:38,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:38,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:38,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:38,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:38,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:38,964 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:58:38,973 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:58:38,973 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-19 07:58:38,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:38,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:39,010 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:39,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:58:39,022 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:58:39,022 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:58:39,022 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:58:39,023 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~l~0#1) = 1*ULTIMATE.start_main_~l~0#1 Supporting invariants [] [2023-11-19 07:58:39,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:39,063 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:58:39,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:39,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:58:39,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:39,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:58:39,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:39,205 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 07:58:39,244 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 07:58:39,247 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 85 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 84 states have internal predecessors, (122), 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 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:39,412 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 85 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 84 states have internal predecessors, (122), 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 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 304 states and 425 transitions. Complement of second has 8 states. [2023-11-19 07:58:39,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:58:39,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:39,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 327 transitions. [2023-11-19 07:58:39,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 327 transitions. Stem has 4 letters. Loop has 7 letters. [2023-11-19 07:58:39,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:39,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 327 transitions. Stem has 11 letters. Loop has 7 letters. [2023-11-19 07:58:39,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:39,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 327 transitions. Stem has 4 letters. Loop has 14 letters. [2023-11-19 07:58:39,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:39,435 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 304 states and 425 transitions. [2023-11-19 07:58:39,457 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2023-11-19 07:58:39,462 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 304 states to 108 states and 126 transitions. [2023-11-19 07:58:39,463 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 71 [2023-11-19 07:58:39,464 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 72 [2023-11-19 07:58:39,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 108 states and 126 transitions. [2023-11-19 07:58:39,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:39,467 INFO L218 hiAutomatonCegarLoop]: Abstraction has 108 states and 126 transitions. [2023-11-19 07:58:39,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states and 126 transitions. [2023-11-19 07:58:39,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2023-11-19 07:58:39,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 107 states have (on average 1.158878504672897) internal successors, (124), 106 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:39,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 124 transitions. [2023-11-19 07:58:39,519 INFO L240 hiAutomatonCegarLoop]: Abstraction has 107 states and 124 transitions. [2023-11-19 07:58:39,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:39,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:58:39,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:58:39,524 INFO L87 Difference]: Start difference. First operand 107 states and 124 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:39,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:39,555 INFO L93 Difference]: Finished difference Result 129 states and 148 transitions. [2023-11-19 07:58:39,556 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 129 states and 148 transitions. [2023-11-19 07:58:39,558 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 93 [2023-11-19 07:58:39,560 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 129 states to 98 states and 112 transitions. [2023-11-19 07:58:39,560 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2023-11-19 07:58:39,560 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2023-11-19 07:58:39,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 112 transitions. [2023-11-19 07:58:39,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:58:39,562 INFO L218 hiAutomatonCegarLoop]: Abstraction has 98 states and 112 transitions. [2023-11-19 07:58:39,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 112 transitions. [2023-11-19 07:58:39,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 66. [2023-11-19 07:58:39,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 66 states have (on average 1.1515151515151516) internal successors, (76), 65 states have internal predecessors, (76), 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 07:58:39,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 76 transitions. [2023-11-19 07:58:39,568 INFO L240 hiAutomatonCegarLoop]: Abstraction has 66 states and 76 transitions. [2023-11-19 07:58:39,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:58:39,569 INFO L428 stractBuchiCegarLoop]: Abstraction has 66 states and 76 transitions. [2023-11-19 07:58:39,569 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:58:39,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states and 76 transitions. [2023-11-19 07:58:39,570 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2023-11-19 07:58:39,570 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:39,570 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:39,571 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 07:58:39,571 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:39,571 INFO L748 eck$LassoCheckResult]: Stem: 724#$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(9, 2); 699#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~argv#1.base, main_~argv#1.offset, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~argv#1.base, main_~argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 700#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 688#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 689#L59-1 [2023-11-19 07:58:39,572 INFO L750 eck$LassoCheckResult]: Loop: 689#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 729#L38-2 assume !(main_~j~0#1 <= main_~r~0#1); 726#L38-3 assume main_~l~0#1 > 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~l~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 706#L18-30 assume !(0 == __VERIFIER_assert_~cond#1); 707#L18-32 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~l~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 686#L18-33 assume !(0 == __VERIFIER_assert_~cond#1); 687#L18-35 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post6#1 := main_~l~0#1;main_~l~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 689#L59-1 [2023-11-19 07:58:39,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:39,572 INFO L85 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2023-11-19 07:58:39,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:39,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042464577] [2023-11-19 07:58:39,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:39,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:39,588 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:39,600 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:39,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:39,601 INFO L85 PathProgramCache]: Analyzing trace with hash -78633890, now seen corresponding path program 2 times [2023-11-19 07:58:39,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:39,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318776545] [2023-11-19 07:58:39,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:39,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:39,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:39,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:39,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:39,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1604433703, now seen corresponding path program 1 times [2023-11-19 07:58:39,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:39,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009245867] [2023-11-19 07:58:39,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:39,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:39,762 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 07:58:39,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:39,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009245867] [2023-11-19 07:58:39,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009245867] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:39,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:39,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:58:39,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209621883] [2023-11-19 07:58:39,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:39,877 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:39,878 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:39,878 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:39,878 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:39,878 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:58:39,878 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:39,878 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:39,878 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:39,879 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration2_Loop [2023-11-19 07:58:39,879 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:39,879 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:39,881 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 07:58:39,884 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 07:58:39,887 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 07:58:39,889 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 07:58:39,956 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:39,956 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:58:39,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:39,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:39,961 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:39,966 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:39,966 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:39,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:58:39,989 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:39,990 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post6#1=0} Honda state: {ULTIMATE.start_main_#t~post6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:40,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-19 07:58:40,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:40,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:40,031 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:40,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:58:40,033 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:40,033 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:40,046 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:40,047 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:40,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:40,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:40,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:40,075 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:40,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:58:40,078 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:40,078 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:40,092 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:40,092 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:40,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-19 07:58:40,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:40,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:40,136 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:40,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 07:58:40,140 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:40,140 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:40,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:40,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:40,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:40,198 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:40,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 07:58:40,201 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:58:40,201 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:40,559 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:58:40,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:40,563 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:40,563 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:40,564 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:40,564 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:40,564 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:58:40,564 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:40,564 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:40,564 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:40,564 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration2_Loop [2023-11-19 07:58:40,564 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:40,564 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:40,566 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 07:58:40,591 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 07:58:40,597 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 07:58:40,600 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 07:58:40,676 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:40,676 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:58:40,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:40,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:40,683 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:40,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:40,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:40,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:40,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:40,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:40,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:40,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 07:58:40,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:40,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:40,720 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:58:40,727 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:58:40,727 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-19 07:58:40,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:40,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:40,735 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:40,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 07:58:40,737 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:58:40,738 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:58:40,738 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:58:40,738 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~l~0#1) = 1*ULTIMATE.start_main_~l~0#1 Supporting invariants [] [2023-11-19 07:58:40,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:40,758 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:58:40,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:58:40,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:40,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:58:40,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:40,873 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 07:58:40,873 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 07:58:40,874 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 66 states and 76 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:40,923 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 66 states and 76 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 160 states and 185 transitions. Complement of second has 6 states. [2023-11-19 07:58:40,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:58:40,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:40,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 81 transitions. [2023-11-19 07:58:40,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 81 transitions. Stem has 4 letters. Loop has 7 letters. [2023-11-19 07:58:40,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:40,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 81 transitions. Stem has 11 letters. Loop has 7 letters. [2023-11-19 07:58:40,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:40,933 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 81 transitions. Stem has 4 letters. Loop has 14 letters. [2023-11-19 07:58:40,934 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:40,934 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 185 transitions. [2023-11-19 07:58:40,936 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 87 [2023-11-19 07:58:40,940 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 125 states and 145 transitions. [2023-11-19 07:58:40,940 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 93 [2023-11-19 07:58:40,941 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 94 [2023-11-19 07:58:40,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 145 transitions. [2023-11-19 07:58:40,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:40,941 INFO L218 hiAutomatonCegarLoop]: Abstraction has 125 states and 145 transitions. [2023-11-19 07:58:40,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 145 transitions. [2023-11-19 07:58:40,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 67. [2023-11-19 07:58:40,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.164179104477612) internal successors, (78), 66 states have internal predecessors, (78), 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 07:58:40,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 78 transitions. [2023-11-19 07:58:40,947 INFO L240 hiAutomatonCegarLoop]: Abstraction has 67 states and 78 transitions. [2023-11-19 07:58:40,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:40,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:58:40,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:58:40,948 INFO L87 Difference]: Start difference. First operand 67 states and 78 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:41,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:41,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:41,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:41,180 INFO L93 Difference]: Finished difference Result 207 states and 231 transitions. [2023-11-19 07:58:41,180 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 207 states and 231 transitions. [2023-11-19 07:58:41,184 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2023-11-19 07:58:41,188 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 207 states to 207 states and 231 transitions. [2023-11-19 07:58:41,188 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 155 [2023-11-19 07:58:41,190 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 155 [2023-11-19 07:58:41,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 231 transitions. [2023-11-19 07:58:41,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:41,191 INFO L218 hiAutomatonCegarLoop]: Abstraction has 207 states and 231 transitions. [2023-11-19 07:58:41,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 231 transitions. [2023-11-19 07:58:41,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 69. [2023-11-19 07:58:41,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.1594202898550725) internal successors, (80), 68 states have internal predecessors, (80), 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 07:58:41,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 80 transitions. [2023-11-19 07:58:41,211 INFO L240 hiAutomatonCegarLoop]: Abstraction has 69 states and 80 transitions. [2023-11-19 07:58:41,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:58:41,213 INFO L428 stractBuchiCegarLoop]: Abstraction has 69 states and 80 transitions. [2023-11-19 07:58:41,213 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:58:41,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 80 transitions. [2023-11-19 07:58:41,214 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 31 [2023-11-19 07:58:41,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:41,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:41,215 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 07:58:41,215 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:41,215 INFO L748 eck$LassoCheckResult]: Stem: 1314#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 1267#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~argv#1.base, main_~argv#1.offset, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~argv#1.base, main_~argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 1268#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 1250#L30 assume !(main_~l~0#1 > 1);main_#t~post3#1 := main_~r~0#1;main_~r~0#1 := main_#t~post3#1 - 1;havoc main_#t~post3#1; 1252#L59-1 [2023-11-19 07:58:41,215 INFO L750 eck$LassoCheckResult]: Loop: 1252#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 1284#L38-2 assume !(main_~j~0#1 <= main_~r~0#1); 1253#L38-3 assume !(main_~l~0#1 > 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~r~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1254#L18-36 assume !(0 == __VERIFIER_assert_~cond#1); 1265#L18-38 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~r~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1266#L18-39 assume !(0 == __VERIFIER_assert_~cond#1); 1269#L18-41 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post7#1 := main_~r~0#1;main_~r~0#1 := main_#t~post7#1 - 1;havoc main_#t~post7#1; 1252#L59-1 [2023-11-19 07:58:41,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:41,216 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 2 times [2023-11-19 07:58:41,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:41,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669736661] [2023-11-19 07:58:41,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:41,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:41,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:41,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:41,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:41,235 INFO L85 PathProgramCache]: Analyzing trace with hash -44278910, now seen corresponding path program 1 times [2023-11-19 07:58:41,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:41,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110183500] [2023-11-19 07:58:41,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:41,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:41,282 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 07:58:41,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:41,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110183500] [2023-11-19 07:58:41,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110183500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:41,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:41,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:58:41,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737530974] [2023-11-19 07:58:41,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:41,284 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:58:41,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:41,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:58:41,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:58:41,285 INFO L87 Difference]: Start difference. First operand 69 states and 80 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:41,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:41,361 INFO L93 Difference]: Finished difference Result 129 states and 146 transitions. [2023-11-19 07:58:41,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 129 states and 146 transitions. [2023-11-19 07:58:41,362 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 61 [2023-11-19 07:58:41,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 129 states to 128 states and 145 transitions. [2023-11-19 07:58:41,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 67 [2023-11-19 07:58:41,365 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 67 [2023-11-19 07:58:41,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 145 transitions. [2023-11-19 07:58:41,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:41,365 INFO L218 hiAutomatonCegarLoop]: Abstraction has 128 states and 145 transitions. [2023-11-19 07:58:41,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 145 transitions. [2023-11-19 07:58:41,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 69. [2023-11-19 07:58:41,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.1594202898550725) internal successors, (80), 68 states have internal predecessors, (80), 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 07:58:41,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 80 transitions. [2023-11-19 07:58:41,370 INFO L240 hiAutomatonCegarLoop]: Abstraction has 69 states and 80 transitions. [2023-11-19 07:58:41,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:58:41,371 INFO L428 stractBuchiCegarLoop]: Abstraction has 69 states and 80 transitions. [2023-11-19 07:58:41,371 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 07:58:41,372 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 80 transitions. [2023-11-19 07:58:41,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 32 [2023-11-19 07:58:41,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:41,372 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:41,373 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 07:58:41,373 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:41,373 INFO L748 eck$LassoCheckResult]: Stem: 1521#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 1474#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~argv#1.base, main_~argv#1.offset, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~argv#1.base, main_~argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 1475#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 1457#L30 assume !(main_~l~0#1 > 1);main_#t~post3#1 := main_~r~0#1;main_~r~0#1 := main_#t~post3#1 - 1;havoc main_#t~post3#1; 1459#L59-1 [2023-11-19 07:58:41,374 INFO L750 eck$LassoCheckResult]: Loop: 1459#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 1491#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 1499#L39 assume !(main_~j~0#1 < main_~r~0#1); 1469#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1477#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 1478#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1511#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 1512#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 1497#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 1464#L38-3 assume !(main_~l~0#1 > 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~r~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1465#L18-36 assume !(0 == __VERIFIER_assert_~cond#1); 1472#L18-38 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~r~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1473#L18-39 assume !(0 == __VERIFIER_assert_~cond#1); 1476#L18-41 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post7#1 := main_~r~0#1;main_~r~0#1 := main_#t~post7#1 - 1;havoc main_#t~post7#1; 1459#L59-1 [2023-11-19 07:58:41,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:41,374 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 3 times [2023-11-19 07:58:41,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:41,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202368718] [2023-11-19 07:58:41,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:41,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:41,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:41,391 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:41,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:41,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1259032696, now seen corresponding path program 1 times [2023-11-19 07:58:41,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:41,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017342623] [2023-11-19 07:58:41,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:41,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:41,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:41,411 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:41,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:41,412 INFO L85 PathProgramCache]: Analyzing trace with hash 727543599, now seen corresponding path program 1 times [2023-11-19 07:58:41,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:41,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097413593] [2023-11-19 07:58:41,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:41,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:41,524 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 07:58:41,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:41,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097413593] [2023-11-19 07:58:41,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097413593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:41,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:41,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:58:41,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330608371] [2023-11-19 07:58:41,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:41,685 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:41,686 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:41,686 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:41,686 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:41,686 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:58:41,686 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:41,686 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:41,687 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:41,687 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration4_Loop [2023-11-19 07:58:41,687 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:41,687 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:41,688 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 07:58:41,691 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 07:58:41,693 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 07:58:41,696 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 07:58:41,710 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 07:58:41,772 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:41,772 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:58:41,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:41,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:41,774 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:41,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 07:58:41,778 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:41,778 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:41,800 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:41,800 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:41,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:41,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:41,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:41,821 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:41,824 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:41,824 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:41,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 07:58:41,838 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:41,838 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:41,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:41,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:41,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:41,878 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:41,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 07:58:41,881 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:41,881 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:41,902 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:41,902 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post7#1=0} Honda state: {ULTIMATE.start_main_#t~post7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:41,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-19 07:58:41,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:41,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:41,946 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:41,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 07:58:41,958 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:41,958 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:42,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:42,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:42,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:42,013 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:42,025 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:58:42,025 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:42,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 07:58:42,462 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:58:42,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:42,467 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:42,467 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:42,467 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:42,467 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:42,467 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:58:42,467 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:42,467 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:42,467 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:42,467 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration4_Loop [2023-11-19 07:58:42,467 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:42,467 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:42,469 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 07:58:42,473 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 07:58:42,475 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 07:58:42,497 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 07:58:42,501 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 07:58:42,566 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:42,566 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:58:42,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:42,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:42,569 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:42,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:42,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:42,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:42,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:42,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:42,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:42,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:42,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:42,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 07:58:42,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:42,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:42,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:42,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:42,637 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:42,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:58:42,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:42,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:42,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:42,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:42,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:42,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:42,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:42,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 07:58:42,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:42,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:42,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:42,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:42,689 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:42,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:58:42,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:42,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:42,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:42,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:42,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:42,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 07:58:42,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:42,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:42,732 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:58:42,739 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:58:42,739 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-19 07:58:42,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:42,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:42,741 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:42,744 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:58:42,744 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:58:42,744 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:58:42,744 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~r~0#1) = 1*ULTIMATE.start_main_~r~0#1 Supporting invariants [] [2023-11-19 07:58:42,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 07:58:42,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:42,768 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:58:42,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:42,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:58:42,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:42,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:58:42,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:42,873 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 07:58:42,874 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 07:58:42,874 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 69 states and 80 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 07:58:42,899 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 69 states and 80 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 133 states and 153 transitions. Complement of second has 4 states. [2023-11-19 07:58:42,900 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 07:58:42,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 07:58:42,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions. [2023-11-19 07:58:42,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 80 transitions. Stem has 4 letters. Loop has 14 letters. [2023-11-19 07:58:42,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:42,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 80 transitions. Stem has 18 letters. Loop has 14 letters. [2023-11-19 07:58:42,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:42,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 80 transitions. Stem has 4 letters. Loop has 28 letters. [2023-11-19 07:58:42,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:42,903 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 133 states and 153 transitions. [2023-11-19 07:58:42,904 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2023-11-19 07:58:42,905 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 133 states to 128 states and 147 transitions. [2023-11-19 07:58:42,905 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2023-11-19 07:58:42,905 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 64 [2023-11-19 07:58:42,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 147 transitions. [2023-11-19 07:58:42,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:42,906 INFO L218 hiAutomatonCegarLoop]: Abstraction has 128 states and 147 transitions. [2023-11-19 07:58:42,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 147 transitions. [2023-11-19 07:58:42,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 127. [2023-11-19 07:58:42,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 127 states have (on average 1.1496062992125984) internal successors, (146), 126 states have internal predecessors, (146), 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 07:58:42,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2023-11-19 07:58:42,910 INFO L240 hiAutomatonCegarLoop]: Abstraction has 127 states and 146 transitions. [2023-11-19 07:58:42,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:42,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:58:42,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:58:42,911 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 07:58:42,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:42,939 INFO L93 Difference]: Finished difference Result 70 states and 80 transitions. [2023-11-19 07:58:42,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 80 transitions. [2023-11-19 07:58:42,940 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 32 [2023-11-19 07:58:42,940 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 69 states and 79 transitions. [2023-11-19 07:58:42,941 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2023-11-19 07:58:42,941 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2023-11-19 07:58:42,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 79 transitions. [2023-11-19 07:58:42,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:42,941 INFO L218 hiAutomatonCegarLoop]: Abstraction has 69 states and 79 transitions. [2023-11-19 07:58:42,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 79 transitions. [2023-11-19 07:58:42,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-19 07:58:42,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.144927536231884) internal successors, (79), 68 states have internal predecessors, (79), 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 07:58:42,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 79 transitions. [2023-11-19 07:58:42,943 INFO L240 hiAutomatonCegarLoop]: Abstraction has 69 states and 79 transitions. [2023-11-19 07:58:42,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:58:42,944 INFO L428 stractBuchiCegarLoop]: Abstraction has 69 states and 79 transitions. [2023-11-19 07:58:42,944 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-19 07:58:42,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 79 transitions. [2023-11-19 07:58:42,945 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 32 [2023-11-19 07:58:42,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:42,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:42,946 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 07:58:42,946 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:42,946 INFO L748 eck$LassoCheckResult]: Stem: 1997#$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(9, 2); 1949#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~argv#1.base, main_~argv#1.offset, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~argv#1.base, main_~argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 1950#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 1933#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 1934#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 1967#L38-2 [2023-11-19 07:58:42,946 INFO L750 eck$LassoCheckResult]: Loop: 1967#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 1979#L39 assume !(main_~j~0#1 < main_~r~0#1); 1944#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1952#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 1953#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1987#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 1988#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 1973#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 1939#L38-3 assume !(main_~l~0#1 > 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~r~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1940#L18-36 assume !(0 == __VERIFIER_assert_~cond#1); 1947#L18-38 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~r~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1948#L18-39 assume !(0 == __VERIFIER_assert_~cond#1); 1951#L18-41 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post7#1 := main_~r~0#1;main_~r~0#1 := main_#t~post7#1 - 1;havoc main_#t~post7#1; 1961#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 1967#L38-2 [2023-11-19 07:58:42,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:42,947 INFO L85 PathProgramCache]: Analyzing trace with hash 28695791, now seen corresponding path program 1 times [2023-11-19 07:58:42,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:42,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686388272] [2023-11-19 07:58:42,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:42,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:42,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:42,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:42,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:42,973 INFO L85 PathProgramCache]: Analyzing trace with hash 48961178, now seen corresponding path program 2 times [2023-11-19 07:58:42,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:42,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574546550] [2023-11-19 07:58:42,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:42,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:42,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:43,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:43,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:43,010 INFO L85 PathProgramCache]: Analyzing trace with hash 2100083464, now seen corresponding path program 1 times [2023-11-19 07:58:43,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:43,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295220878] [2023-11-19 07:58:43,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:43,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:43,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:43,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:43,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295220878] [2023-11-19 07:58:43,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295220878] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:43,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:43,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:58:43,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900161127] [2023-11-19 07:58:43,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:43,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:43,318 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:43,318 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:43,319 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:43,319 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:43,319 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:58:43,319 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:43,319 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:43,319 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:43,319 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration5_Loop [2023-11-19 07:58:43,319 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:43,320 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:43,321 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 07:58:43,325 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 07:58:43,327 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 07:58:43,330 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 07:58:43,332 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 07:58:43,408 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:43,408 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:58:43,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:43,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:43,409 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:43,411 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:43,412 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:43,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 07:58:43,429 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:43,429 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post7#1=0} Honda state: {ULTIMATE.start_main_#t~post7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:43,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:43,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:43,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:43,443 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:43,445 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:43,445 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:43,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-19 07:58:43,456 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:43,456 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:43,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-19 07:58:43,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:43,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:43,471 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:43,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-19 07:58:43,472 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:43,472 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:43,484 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:43,484 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:43,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-19 07:58:43,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:43,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:43,496 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:43,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-19 07:58:43,497 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:43,497 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:43,509 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:43,509 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:43,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-19 07:58:43,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:43,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:43,530 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:43,532 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:43,532 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:43,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-19 07:58:43,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:43,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:43,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:43,579 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:43,585 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:58:43,585 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:43,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-19 07:58:43,881 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:58:43,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:43,884 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:43,884 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:43,885 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:43,885 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:43,885 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:58:43,885 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:43,885 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:43,885 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:43,885 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration5_Loop [2023-11-19 07:58:43,885 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:43,885 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:43,886 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 07:58:43,903 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 07:58:43,906 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 07:58:43,909 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 07:58:43,911 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 07:58:43,982 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:43,983 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:58:43,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:43,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:43,984 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:43,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-19 07:58:43,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:58:44,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:44,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:44,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:44,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:44,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:44,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:44,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:44,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:44,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:44,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:44,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:44,034 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:44,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-19 07:58:44,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:44,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:44,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:44,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:44,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:44,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:44,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:44,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:44,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:44,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-19 07:58:44,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:44,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:44,061 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:44,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-19 07:58:44,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:58:44,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:44,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:44,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:44,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:44,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:44,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:44,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:44,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:44,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-19 07:58:44,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:44,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:44,101 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:44,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-19 07:58:44,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:58:44,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:44,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:44,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:44,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:44,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:44,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:44,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:44,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:44,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:44,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:44,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:44,164 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:44,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:58:44,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:44,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:44,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:44,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:44,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:44,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:44,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:44,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-19 07:58:44,200 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:58:44,208 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:58:44,208 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-19 07:58:44,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:44,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:44,213 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:44,215 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:58:44,215 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:58:44,215 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:58:44,215 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2023-11-19 07:58:44,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-19 07:58:44,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:44,238 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:58:44,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:44,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:58:44,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:44,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 07:58:44,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:44,342 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 07:58:44,343 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2023-11-19 07:58:44,343 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 69 states and 79 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:44,530 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 69 states and 79 transitions. cyclomatic complexity: 12. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 400 states and 442 transitions. Complement of second has 17 states. [2023-11-19 07:58:44,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2023-11-19 07:58:44,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:44,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 109 transitions. [2023-11-19 07:58:44,532 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 109 transitions. Stem has 5 letters. Loop has 14 letters. [2023-11-19 07:58:44,533 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:44,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 109 transitions. Stem has 19 letters. Loop has 14 letters. [2023-11-19 07:58:44,533 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:44,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 109 transitions. Stem has 5 letters. Loop has 28 letters. [2023-11-19 07:58:44,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:44,534 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 400 states and 442 transitions. [2023-11-19 07:58:44,538 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2023-11-19 07:58:44,541 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 400 states to 330 states and 371 transitions. [2023-11-19 07:58:44,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 108 [2023-11-19 07:58:44,542 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 109 [2023-11-19 07:58:44,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 330 states and 371 transitions. [2023-11-19 07:58:44,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:44,542 INFO L218 hiAutomatonCegarLoop]: Abstraction has 330 states and 371 transitions. [2023-11-19 07:58:44,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states and 371 transitions. [2023-11-19 07:58:44,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 197. [2023-11-19 07:58:44,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 197 states have (on average 1.1573604060913705) internal successors, (228), 196 states have internal predecessors, (228), 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 07:58:44,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 228 transitions. [2023-11-19 07:58:44,549 INFO L240 hiAutomatonCegarLoop]: Abstraction has 197 states and 228 transitions. [2023-11-19 07:58:44,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:44,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:58:44,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:58:44,550 INFO L87 Difference]: Start difference. First operand 197 states and 228 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:44,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:44,712 INFO L93 Difference]: Finished difference Result 657 states and 728 transitions. [2023-11-19 07:58:44,712 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 657 states and 728 transitions. [2023-11-19 07:58:44,718 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 165 [2023-11-19 07:58:44,723 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 657 states to 593 states and 657 transitions. [2023-11-19 07:58:44,723 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 198 [2023-11-19 07:58:44,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2023-11-19 07:58:44,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 593 states and 657 transitions. [2023-11-19 07:58:44,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:44,726 INFO L218 hiAutomatonCegarLoop]: Abstraction has 593 states and 657 transitions. [2023-11-19 07:58:44,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states and 657 transitions. [2023-11-19 07:58:44,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 189. [2023-11-19 07:58:44,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 189 states have (on average 1.1534391534391535) internal successors, (218), 188 states have internal predecessors, (218), 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 07:58:44,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 218 transitions. [2023-11-19 07:58:44,733 INFO L240 hiAutomatonCegarLoop]: Abstraction has 189 states and 218 transitions. [2023-11-19 07:58:44,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:58:44,734 INFO L428 stractBuchiCegarLoop]: Abstraction has 189 states and 218 transitions. [2023-11-19 07:58:44,734 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-19 07:58:44,735 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 189 states and 218 transitions. [2023-11-19 07:58:44,736 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2023-11-19 07:58:44,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:44,736 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:44,737 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 07:58:44,737 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] [2023-11-19 07:58:44,737 INFO L748 eck$LassoCheckResult]: Stem: 3436#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 3387#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~argv#1.base, main_~argv#1.offset, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~argv#1.base, main_~argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 3388#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 3370#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 3371#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 3404#L38-2 [2023-11-19 07:58:44,738 INFO L750 eck$LassoCheckResult]: Loop: 3404#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 3489#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3470#L18 assume !(0 == __VERIFIER_assert_~cond#1); 3487#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3485#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 3483#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3481#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 3479#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3477#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 3475#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 3469#L44 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 1 + main_~j~0#1; 3465#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3461#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 3457#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3453#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 3449#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 3439#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 3376#L38-3 assume !(main_~l~0#1 > 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~r~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3377#L18-36 assume !(0 == __VERIFIER_assert_~cond#1); 3384#L18-38 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~r~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3385#L18-39 assume !(0 == __VERIFIER_assert_~cond#1); 3386#L18-41 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post7#1 := main_~r~0#1;main_~r~0#1 := main_#t~post7#1 - 1;havoc main_#t~post7#1; 3398#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 3404#L38-2 [2023-11-19 07:58:44,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:44,738 INFO L85 PathProgramCache]: Analyzing trace with hash 28695791, now seen corresponding path program 2 times [2023-11-19 07:58:44,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:44,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260920580] [2023-11-19 07:58:44,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:44,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:44,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:44,750 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:44,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:44,751 INFO L85 PathProgramCache]: Analyzing trace with hash 69489122, now seen corresponding path program 1 times [2023-11-19 07:58:44,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:44,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057895256] [2023-11-19 07:58:44,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:44,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:44,764 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:44,777 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:44,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:44,777 INFO L85 PathProgramCache]: Analyzing trace with hash -2029401804, now seen corresponding path program 1 times [2023-11-19 07:58:44,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:44,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852297958] [2023-11-19 07:58:44,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:44,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:44,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:44,814 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:45,136 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:45,136 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:45,136 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:45,136 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:45,136 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:58:45,136 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:45,136 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:45,137 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:45,137 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration6_Loop [2023-11-19 07:58:45,137 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:45,137 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:45,143 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 07:58:45,146 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 07:58:45,162 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 07:58:45,165 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 07:58:45,167 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 07:58:45,170 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 07:58:45,259 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:45,259 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:58:45,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:45,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:45,262 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:45,265 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:45,265 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:45,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-19 07:58:45,294 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:45,294 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:45,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:45,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-19 07:58:45,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:45,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:45,333 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:45,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-19 07:58:45,335 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:45,335 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:45,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:45,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:45,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:45,387 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:45,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-19 07:58:45,390 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:58:45,390 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:45,504 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:58:45,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:45,508 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:45,508 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:45,508 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:45,508 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:45,508 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:58:45,508 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:45,509 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:45,509 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:45,509 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration6_Loop [2023-11-19 07:58:45,509 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:45,509 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:45,510 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 07:58:45,513 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 07:58:45,539 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 07:58:45,542 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 07:58:45,544 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 07:58:45,546 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 07:58:45,610 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:45,610 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:58:45,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:45,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:45,611 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:45,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:58:45,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:45,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:45,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:45,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:45,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:45,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:45,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:45,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-19 07:58:45,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:45,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:45,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:45,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:45,662 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:45,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-19 07:58:45,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:58:45,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:45,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:45,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:45,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:45,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:45,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:45,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:45,686 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:58:45,695 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:58:45,695 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-19 07:58:45,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:45,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:45,697 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:45,705 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:58:45,705 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:58:45,705 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:58:45,705 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~r~0#1) = 1*ULTIMATE.start_main_~r~0#1 Supporting invariants [] [2023-11-19 07:58:45,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-19 07:58:45,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-19 07:58:45,724 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:58:45,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:45,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:58:45,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:45,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:58:45,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:45,845 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 07:58:45,846 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 07:58:45,847 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 189 states and 218 transitions. cyclomatic complexity: 35 Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 07:58:45,880 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 189 states and 218 transitions. cyclomatic complexity: 35. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 376 states and 436 transitions. Complement of second has 6 states. [2023-11-19 07:58:45,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:58:45,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 07:58:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 47 transitions. [2023-11-19 07:58:45,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 47 transitions. Stem has 5 letters. Loop has 23 letters. [2023-11-19 07:58:45,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:45,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 47 transitions. Stem has 28 letters. Loop has 23 letters. [2023-11-19 07:58:45,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:45,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 47 transitions. Stem has 5 letters. Loop has 46 letters. [2023-11-19 07:58:45,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:45,885 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 376 states and 436 transitions. [2023-11-19 07:58:45,889 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2023-11-19 07:58:45,891 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 376 states to 252 states and 292 transitions. [2023-11-19 07:58:45,892 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 60 [2023-11-19 07:58:45,892 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 61 [2023-11-19 07:58:45,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 252 states and 292 transitions. [2023-11-19 07:58:45,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:45,892 INFO L218 hiAutomatonCegarLoop]: Abstraction has 252 states and 292 transitions. [2023-11-19 07:58:45,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states and 292 transitions. [2023-11-19 07:58:45,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 132. [2023-11-19 07:58:45,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 132 states have (on average 1.1590909090909092) internal successors, (153), 131 states have internal predecessors, (153), 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 07:58:45,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 153 transitions. [2023-11-19 07:58:45,897 INFO L240 hiAutomatonCegarLoop]: Abstraction has 132 states and 153 transitions. [2023-11-19 07:58:45,897 INFO L428 stractBuchiCegarLoop]: Abstraction has 132 states and 153 transitions. [2023-11-19 07:58:45,897 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-19 07:58:45,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states and 153 transitions. [2023-11-19 07:58:45,898 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-19 07:58:45,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:45,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:45,899 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:58:45,899 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:45,900 INFO L748 eck$LassoCheckResult]: Stem: 4116#$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(9, 2); 4055#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~argv#1.base, main_~argv#1.offset, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~argv#1.base, main_~argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4056#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 4041#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 4042#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 4075#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 4086#L39 [2023-11-19 07:58:45,900 INFO L750 eck$LassoCheckResult]: Loop: 4086#L39 assume !(main_~j~0#1 < main_~r~0#1); 4050#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4058#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 4059#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4098#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 4099#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 4083#L49 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4070#L18-18 assume !(0 == __VERIFIER_assert_~cond#1); 4071#L18-20 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~i~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4090#L18-21 assume !(0 == __VERIFIER_assert_~cond#1); 4091#L18-23 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4094#L18-24 assume !(0 == __VERIFIER_assert_~cond#1); 4095#L18-26 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4117#L18-27 assume !(0 == __VERIFIER_assert_~cond#1); 4111#L18-29 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_~i~0#1 := main_~j~0#1;main_~j~0#1 := 2 * main_~j~0#1; 4076#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 4086#L39 [2023-11-19 07:58:45,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:45,902 INFO L85 PathProgramCache]: Analyzing trace with hash 889569551, now seen corresponding path program 1 times [2023-11-19 07:58:45,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:45,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441854240] [2023-11-19 07:58:45,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:45,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:45,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:45,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:45,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:45,921 INFO L85 PathProgramCache]: Analyzing trace with hash 93725893, now seen corresponding path program 1 times [2023-11-19 07:58:45,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:45,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546672203] [2023-11-19 07:58:45,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:45,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:46,056 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 07:58:46,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:46,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546672203] [2023-11-19 07:58:46,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546672203] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:46,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:46,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:58:46,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790689438] [2023-11-19 07:58:46,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:46,059 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:58:46,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:46,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:58:46,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:58:46,060 INFO L87 Difference]: Start difference. First operand 132 states and 153 transitions. cyclomatic complexity: 25 Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:46,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:46,230 INFO L93 Difference]: Finished difference Result 241 states and 270 transitions. [2023-11-19 07:58:46,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 241 states and 270 transitions. [2023-11-19 07:58:46,232 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-19 07:58:46,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 241 states to 226 states and 255 transitions. [2023-11-19 07:58:46,234 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2023-11-19 07:58:46,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2023-11-19 07:58:46,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 226 states and 255 transitions. [2023-11-19 07:58:46,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:46,234 INFO L218 hiAutomatonCegarLoop]: Abstraction has 226 states and 255 transitions. [2023-11-19 07:58:46,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states and 255 transitions. [2023-11-19 07:58:46,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 177. [2023-11-19 07:58:46,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 177 states have (on average 1.1299435028248588) internal successors, (200), 176 states have internal predecessors, (200), 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 07:58:46,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 200 transitions. [2023-11-19 07:58:46,241 INFO L240 hiAutomatonCegarLoop]: Abstraction has 177 states and 200 transitions. [2023-11-19 07:58:46,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:58:46,244 INFO L428 stractBuchiCegarLoop]: Abstraction has 177 states and 200 transitions. [2023-11-19 07:58:46,244 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-19 07:58:46,244 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 177 states and 200 transitions. [2023-11-19 07:58:46,245 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-19 07:58:46,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:46,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:46,246 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:58:46,247 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] [2023-11-19 07:58:46,247 INFO L748 eck$LassoCheckResult]: Stem: 4503#$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(9, 2); 4445#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~argv#1.base, main_~argv#1.offset, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~argv#1.base, main_~argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4446#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 4431#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 4432#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 4464#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 4475#L39 [2023-11-19 07:58:46,247 INFO L750 eck$LassoCheckResult]: Loop: 4475#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4476#L18 assume !(0 == __VERIFIER_assert_~cond#1); 4468#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4469#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 4433#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4434#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 4452#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4453#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 4496#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 4439#L44 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 1 + main_~j~0#1; 4440#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4448#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 4449#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4487#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 4488#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 4472#L49 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4459#L18-18 assume !(0 == __VERIFIER_assert_~cond#1); 4460#L18-20 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~i~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4479#L18-21 assume !(0 == __VERIFIER_assert_~cond#1); 4480#L18-23 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4483#L18-24 assume !(0 == __VERIFIER_assert_~cond#1); 4484#L18-26 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4504#L18-27 assume !(0 == __VERIFIER_assert_~cond#1); 4498#L18-29 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_~i~0#1 := main_~j~0#1;main_~j~0#1 := 2 * main_~j~0#1; 4466#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 4475#L39 [2023-11-19 07:58:46,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:46,248 INFO L85 PathProgramCache]: Analyzing trace with hash 889569551, now seen corresponding path program 2 times [2023-11-19 07:58:46,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:46,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966770853] [2023-11-19 07:58:46,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:46,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:46,262 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:46,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:46,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:46,277 INFO L85 PathProgramCache]: Analyzing trace with hash -510635659, now seen corresponding path program 1 times [2023-11-19 07:58:46,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:46,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814105857] [2023-11-19 07:58:46,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:46,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:46,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:46,312 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:46,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:46,313 INFO L85 PathProgramCache]: Analyzing trace with hash -575128537, now seen corresponding path program 1 times [2023-11-19 07:58:46,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:46,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686795195] [2023-11-19 07:58:46,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:46,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:46,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:46,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:46,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686795195] [2023-11-19 07:58:46,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686795195] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:58:46,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485270534] [2023-11-19 07:58:46,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:46,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:58:46,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:46,467 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:58:46,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2023-11-19 07:58:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:46,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 07:58:46,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:46,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:46,792 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:58:46,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485270534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:46,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:58:46,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2023-11-19 07:58:46,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542986952] [2023-11-19 07:58:46,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:47,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:47,125 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:47,125 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:47,125 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:47,125 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:47,125 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:58:47,125 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:47,125 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:47,126 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:47,126 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration8_Loop [2023-11-19 07:58:47,126 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:47,126 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:47,127 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 07:58:47,141 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 07:58:47,144 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 07:58:47,147 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 07:58:47,151 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 07:58:47,195 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:47,195 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:58:47,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:47,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:47,196 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:47,209 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:47,209 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:47,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-19 07:58:47,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:47,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:47,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:47,261 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:47,269 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:58:47,269 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:47,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-19 07:58:47,419 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:58:47,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:47,424 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:47,425 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:47,425 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:47,425 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:47,425 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:58:47,425 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:47,425 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:47,425 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:47,425 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration8_Loop [2023-11-19 07:58:47,425 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:47,425 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:47,426 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 07:58:47,444 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 07:58:47,447 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 07:58:47,449 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 07:58:47,453 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 07:58:47,509 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:47,509 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:58:47,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:47,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:47,513 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:47,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-19 07:58:47,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:58:47,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:47,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:47,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:47,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:47,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:47,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:47,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:47,537 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:58:47,545 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-19 07:58:47,545 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-19 07:58:47,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:47,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:47,557 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:47,560 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:58:47,560 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:58:47,560 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:58:47,560 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~r~0#1, ULTIMATE.start_main_~j~0#1) = 3*ULTIMATE.start_main_~r~0#1 - 2*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2023-11-19 07:58:47,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-19 07:58:47,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:47,581 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:58:47,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:47,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:58:47,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:47,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 07:58:47,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:47,902 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 07:58:47,903 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-19 07:58:47,903 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 177 states and 200 transitions. cyclomatic complexity: 27 Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:48,015 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 177 states and 200 transitions. cyclomatic complexity: 27. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 600 states and 642 transitions. Complement of second has 11 states. [2023-11-19 07:58:48,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2023-11-19 07:58:48,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:48,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 69 transitions. [2023-11-19 07:58:48,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 69 transitions. Stem has 6 letters. Loop has 25 letters. [2023-11-19 07:58:48,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:48,017 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:58:48,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:48,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:58:48,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:48,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 07:58:48,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:48,329 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 07:58:48,330 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-19 07:58:48,330 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 177 states and 200 transitions. cyclomatic complexity: 27 Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:48,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:48,708 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 177 states and 200 transitions. cyclomatic complexity: 27. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 711 states and 767 transitions. Complement of second has 17 states. [2023-11-19 07:58:48,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2023-11-19 07:58:48,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:48,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 103 transitions. [2023-11-19 07:58:48,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 103 transitions. Stem has 6 letters. Loop has 25 letters. [2023-11-19 07:58:48,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:48,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 103 transitions. Stem has 31 letters. Loop has 25 letters. [2023-11-19 07:58:48,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:48,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 103 transitions. Stem has 6 letters. Loop has 50 letters. [2023-11-19 07:58:48,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:48,710 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 711 states and 767 transitions. [2023-11-19 07:58:48,716 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-19 07:58:48,720 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 711 states to 528 states and 581 transitions. [2023-11-19 07:58:48,721 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 55 [2023-11-19 07:58:48,721 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 56 [2023-11-19 07:58:48,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 528 states and 581 transitions. [2023-11-19 07:58:48,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:48,721 INFO L218 hiAutomatonCegarLoop]: Abstraction has 528 states and 581 transitions. [2023-11-19 07:58:48,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states and 581 transitions. [2023-11-19 07:58:48,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 315. [2023-11-19 07:58:48,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 315 states have (on average 1.1142857142857143) internal successors, (351), 314 states have internal predecessors, (351), 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 07:58:48,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 351 transitions. [2023-11-19 07:58:48,730 INFO L240 hiAutomatonCegarLoop]: Abstraction has 315 states and 351 transitions. [2023-11-19 07:58:48,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:48,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:58:48,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:58:48,731 INFO L87 Difference]: Start difference. First operand 315 states and 351 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:48,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:48,969 INFO L93 Difference]: Finished difference Result 556 states and 602 transitions. [2023-11-19 07:58:48,969 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 556 states and 602 transitions. [2023-11-19 07:58:48,974 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-19 07:58:48,976 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 556 states to 323 states and 361 transitions. [2023-11-19 07:58:48,977 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2023-11-19 07:58:48,977 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2023-11-19 07:58:48,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 323 states and 361 transitions. [2023-11-19 07:58:48,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:48,977 INFO L218 hiAutomatonCegarLoop]: Abstraction has 323 states and 361 transitions. [2023-11-19 07:58:48,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states and 361 transitions. [2023-11-19 07:58:48,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 226. [2023-11-19 07:58:48,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 226 states have (on average 1.1238938053097345) internal successors, (254), 225 states have internal predecessors, (254), 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 07:58:48,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 254 transitions. [2023-11-19 07:58:48,984 INFO L240 hiAutomatonCegarLoop]: Abstraction has 226 states and 254 transitions. [2023-11-19 07:58:48,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 07:58:48,985 INFO L428 stractBuchiCegarLoop]: Abstraction has 226 states and 254 transitions. [2023-11-19 07:58:48,985 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-19 07:58:48,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 226 states and 254 transitions. [2023-11-19 07:58:48,987 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-19 07:58:48,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:48,987 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:48,988 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:48,988 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] [2023-11-19 07:58:48,989 INFO L748 eck$LassoCheckResult]: Stem: 7220#$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(9, 2); 7158#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~argv#1.base, main_~argv#1.offset, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~argv#1.base, main_~argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 7159#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 7143#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 7144#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 7175#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 7304#L39 assume !(main_~j~0#1 < main_~r~0#1); 7199#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7162#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 7163#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7203#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 7204#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 7185#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 7145#L38-3 assume main_~l~0#1 > 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~l~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7146#L18-30 assume !(0 == __VERIFIER_assert_~cond#1); 7170#L18-32 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~l~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7200#L18-33 assume !(0 == __VERIFIER_assert_~cond#1); 7267#L18-35 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post6#1 := main_~l~0#1;main_~l~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 7224#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 7212#L38-2 [2023-11-19 07:58:48,989 INFO L750 eck$LassoCheckResult]: Loop: 7212#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 7196#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7197#L18 assume !(0 == __VERIFIER_assert_~cond#1); 7178#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7179#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 7151#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7152#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 7164#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7165#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 7208#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 7147#L44 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 1 + main_~j~0#1; 7148#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7160#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 7161#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7201#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 7202#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 7184#L49 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7171#L18-18 assume !(0 == __VERIFIER_assert_~cond#1); 7172#L18-20 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~i~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7188#L18-21 assume !(0 == __VERIFIER_assert_~cond#1); 7189#L18-23 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7192#L18-24 assume !(0 == __VERIFIER_assert_~cond#1); 7193#L18-26 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7221#L18-27 assume !(0 == __VERIFIER_assert_~cond#1); 7211#L18-29 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_~i~0#1 := main_~j~0#1;main_~j~0#1 := 2 * main_~j~0#1; 7212#L38-2 [2023-11-19 07:58:48,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:48,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1035079084, now seen corresponding path program 1 times [2023-11-19 07:58:48,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:48,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748127868] [2023-11-19 07:58:48,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:48,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:48,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:49,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:49,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:49,007 INFO L85 PathProgramCache]: Analyzing trace with hash -94981115, now seen corresponding path program 2 times [2023-11-19 07:58:49,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:49,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000903818] [2023-11-19 07:58:49,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:49,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:49,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:49,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:49,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:49,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1850199226, now seen corresponding path program 1 times [2023-11-19 07:58:49,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:49,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070068852] [2023-11-19 07:58:49,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:49,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:49,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:49,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:49,346 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:49,347 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:49,347 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:49,347 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:49,347 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:58:49,347 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:49,347 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:49,347 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:49,348 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration9_Loop [2023-11-19 07:58:49,348 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:49,348 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:49,349 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 07:58:49,351 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 07:58:49,353 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 07:58:49,356 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 07:58:49,358 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 07:58:49,422 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:49,422 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:58:49,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:49,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:49,423 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:49,426 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:49,426 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:49,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-19 07:58:49,438 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:49,438 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:49,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:49,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:49,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:49,456 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:49,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-19 07:58:49,458 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:49,458 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:49,470 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:49,470 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:49,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:49,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:49,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:49,487 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:49,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-19 07:58:49,489 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:49,489 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:49,501 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:49,501 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:49,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:49,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:49,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:49,516 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:49,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-19 07:58:49,517 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:49,517 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:49,529 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:49,529 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:49,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:49,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:49,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:49,544 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:49,548 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:49,548 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:49,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-19 07:58:49,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:49,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:49,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:49,581 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:49,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-19 07:58:49,583 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:58:49,585 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:49,752 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:58:49,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:49,757 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:49,757 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:49,757 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:49,757 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:49,757 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:58:49,757 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:49,758 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:49,758 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:49,758 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration9_Loop [2023-11-19 07:58:49,758 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:49,758 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:49,759 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 07:58:49,765 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 07:58:49,769 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 07:58:49,771 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 07:58:49,773 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 07:58:49,851 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:49,851 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:58:49,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:49,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:49,853 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:49,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-19 07:58:49,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:58:49,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:49,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:49,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:49,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:49,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:49,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:49,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:49,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:49,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:49,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:49,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:49,882 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:49,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-19 07:58:49,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:49,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:49,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:49,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:49,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:49,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:49,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:49,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:49,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:49,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:49,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:49,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:49,939 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:49,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-19 07:58:49,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:49,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:49,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:49,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:49,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:49,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:49,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:49,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:49,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:49,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:49,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:49,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:50,005 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:50,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-19 07:58:50,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:58:50,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:50,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:50,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:50,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:50,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:50,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:50,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:50,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:50,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-19 07:58:50,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:50,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:50,070 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:50,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-19 07:58:50,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:58:50,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:50,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:50,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:50,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:50,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:50,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:50,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:50,108 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:58:50,113 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-19 07:58:50,113 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-19 07:58:50,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:50,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:50,114 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:50,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-19 07:58:50,116 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:58:50,116 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:58:50,116 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:58:50,116 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~r~0#1, ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~r~0#1 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2023-11-19 07:58:50,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:50,142 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:58:50,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:50,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:58:50,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:50,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:58:50,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:50,455 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 07:58:50,455 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2023-11-19 07:58:50,456 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 226 states and 254 transitions. cyclomatic complexity: 32 Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:50,515 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 226 states and 254 transitions. cyclomatic complexity: 32. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 382 states and 418 transitions. Complement of second has 7 states. [2023-11-19 07:58:50,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:58:50,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:50,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 57 transitions. [2023-11-19 07:58:50,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 57 transitions. Stem has 19 letters. Loop has 25 letters. [2023-11-19 07:58:50,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:50,517 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:58:50,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:50,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:58:50,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:50,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:58:50,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:50,800 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 07:58:50,801 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2023-11-19 07:58:50,801 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 226 states and 254 transitions. cyclomatic complexity: 32 Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:50,972 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 226 states and 254 transitions. cyclomatic complexity: 32. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 462 states and 502 transitions. Complement of second has 15 states. [2023-11-19 07:58:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2023-11-19 07:58:50,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:50,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 77 transitions. [2023-11-19 07:58:50,973 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 77 transitions. Stem has 19 letters. Loop has 25 letters. [2023-11-19 07:58:50,974 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:50,974 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:58:50,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:51,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:58:51,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:51,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:58:51,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:51,263 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 07:58:51,265 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2023-11-19 07:58:51,265 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 226 states and 254 transitions. cyclomatic complexity: 32 Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:51,342 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 226 states and 254 transitions. cyclomatic complexity: 32. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 761 states and 824 transitions. Complement of second has 7 states. [2023-11-19 07:58:51,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:58:51,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:51,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 107 transitions. [2023-11-19 07:58:51,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 107 transitions. Stem has 19 letters. Loop has 25 letters. [2023-11-19 07:58:51,345 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:51,345 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:58:51,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:51,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:58:51,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:51,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:58:51,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:51,613 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 07:58:51,613 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2023-11-19 07:58:51,614 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 226 states and 254 transitions. cyclomatic complexity: 32 Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:51,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:51,898 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 226 states and 254 transitions. cyclomatic complexity: 32. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 913 states and 989 transitions. Complement of second has 14 states. [2023-11-19 07:58:51,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2023-11-19 07:58:51,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:51,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 132 transitions. [2023-11-19 07:58:51,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 132 transitions. Stem has 19 letters. Loop has 25 letters. [2023-11-19 07:58:51,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:51,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 132 transitions. Stem has 44 letters. Loop has 25 letters. [2023-11-19 07:58:51,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:51,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 132 transitions. Stem has 19 letters. Loop has 50 letters. [2023-11-19 07:58:51,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:51,901 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 913 states and 989 transitions. [2023-11-19 07:58:51,908 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-19 07:58:51,913 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 913 states to 632 states and 696 transitions. [2023-11-19 07:58:51,913 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2023-11-19 07:58:51,913 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 58 [2023-11-19 07:58:51,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 632 states and 696 transitions. [2023-11-19 07:58:51,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:51,913 INFO L218 hiAutomatonCegarLoop]: Abstraction has 632 states and 696 transitions. [2023-11-19 07:58:51,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states and 696 transitions. [2023-11-19 07:58:51,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 418. [2023-11-19 07:58:51,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 418 states have (on average 1.1172248803827751) internal successors, (467), 417 states have internal predecessors, (467), 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 07:58:51,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 467 transitions. [2023-11-19 07:58:51,925 INFO L240 hiAutomatonCegarLoop]: Abstraction has 418 states and 467 transitions. [2023-11-19 07:58:51,925 INFO L428 stractBuchiCegarLoop]: Abstraction has 418 states and 467 transitions. [2023-11-19 07:58:51,925 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-19 07:58:51,926 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 418 states and 467 transitions. [2023-11-19 07:58:51,928 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-19 07:58:51,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:51,928 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:51,929 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:51,930 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] [2023-11-19 07:58:51,930 INFO L748 eck$LassoCheckResult]: Stem: 10591#$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(9, 2); 10515#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~argv#1.base, main_~argv#1.offset, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~argv#1.base, main_~argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10516#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 10499#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 10500#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 10537#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 10780#L39 assume !(main_~j~0#1 < main_~r~0#1); 10732#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10728#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 10729#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10910#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 10909#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 10908#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 10501#L38-3 assume main_~l~0#1 > 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~l~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10502#L18-30 assume !(0 == __VERIFIER_assert_~cond#1); 10630#L18-32 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~l~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10497#L18-33 assume !(0 == __VERIFIER_assert_~cond#1); 10498#L18-35 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post6#1 := main_~l~0#1;main_~l~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 10525#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 10603#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 10601#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10581#L18 assume !(0 == __VERIFIER_assert_~cond#1); 10582#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10600#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 10503#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10504#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 10597#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10596#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 10585#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 10507#L44 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 10508#L39-1 [2023-11-19 07:58:51,930 INFO L750 eck$LassoCheckResult]: Loop: 10508#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10517#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 10518#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10559#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 10560#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 10545#L49 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10529#L18-18 assume !(0 == __VERIFIER_assert_~cond#1); 10530#L18-20 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~i~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10551#L18-21 assume !(0 == __VERIFIER_assert_~cond#1); 10552#L18-23 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10555#L18-24 assume !(0 == __VERIFIER_assert_~cond#1); 10556#L18-26 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10593#L18-27 assume !(0 == __VERIFIER_assert_~cond#1); 10574#L18-29 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_~i~0#1 := main_~j~0#1;main_~j~0#1 := 2 * main_~j~0#1; 10575#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 10598#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10599#L18 assume !(0 == __VERIFIER_assert_~cond#1); 10533#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10534#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 10542#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10539#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 10521#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10522#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 10578#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 10595#L44 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 1 + main_~j~0#1; 10508#L39-1 [2023-11-19 07:58:51,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:51,931 INFO L85 PathProgramCache]: Analyzing trace with hash -216057713, now seen corresponding path program 1 times [2023-11-19 07:58:51,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:51,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031020488] [2023-11-19 07:58:51,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:51,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:51,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:51,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:51,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:51,951 INFO L85 PathProgramCache]: Analyzing trace with hash -289806389, now seen corresponding path program 3 times [2023-11-19 07:58:51,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:51,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318643476] [2023-11-19 07:58:51,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:51,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:51,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:51,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:51,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:51,968 INFO L85 PathProgramCache]: Analyzing trace with hash -46806275, now seen corresponding path program 1 times [2023-11-19 07:58:51,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:51,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207084864] [2023-11-19 07:58:51,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:51,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:52,092 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:52,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:52,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207084864] [2023-11-19 07:58:52,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207084864] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:58:52,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516027131] [2023-11-19 07:58:52,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:52,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:58:52,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:52,094 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:58:52,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2023-11-19 07:58:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:52,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 07:58:52,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:52,374 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:52,374 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:58:52,519 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:52,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516027131] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:58:52,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:58:52,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2023-11-19 07:58:52,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988854278] [2023-11-19 07:58:52,520 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:58:52,794 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:52,794 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:52,794 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:52,794 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:52,794 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:58:52,794 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:52,794 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:52,795 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:52,795 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration10_Loop [2023-11-19 07:58:52,795 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:52,795 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:52,796 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 07:58:52,809 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 07:58:52,828 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 07:58:52,832 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 07:58:52,834 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 07:58:52,878 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:52,878 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:58:52,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:52,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:52,881 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:52,886 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:52,886 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:52,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-19 07:58:52,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:52,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:52,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:52,941 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:52,945 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:58:52,945 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:52,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-19 07:58:53,057 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:58:53,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-11-19 07:58:53,060 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:53,060 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:53,060 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:53,060 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:53,061 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:58:53,061 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:53,061 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:53,061 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:53,061 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration10_Loop [2023-11-19 07:58:53,061 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:53,061 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:53,062 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 07:58:53,076 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 07:58:53,078 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 07:58:53,080 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 07:58:53,087 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 07:58:53,133 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:53,133 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:58:53,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:53,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:53,134 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:53,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-19 07:58:53,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:58:53,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:53,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:53,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:53,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:53,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:53,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:53,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:53,172 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:58:53,177 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-19 07:58:53,177 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-19 07:58:53,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:53,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:53,184 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:53,186 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:58:53,186 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:58:53,186 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:58:53,186 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2023-11-19 07:58:53,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-19 07:58:53,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:53,206 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:58:53,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:53,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:58:53,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:53,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 07:58:53,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:53,453 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 07:58:53,453 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-19 07:58:53,454 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 418 states and 467 transitions. cyclomatic complexity: 54 Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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 07:58:53,898 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 418 states and 467 transitions. cyclomatic complexity: 54. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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 1360 states and 1490 transitions. Complement of second has 19 states. [2023-11-19 07:58:53,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 8 non-accepting loop states 1 accepting loop states [2023-11-19 07:58:53,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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 07:58:53,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 166 transitions. [2023-11-19 07:58:53,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 166 transitions. Stem has 30 letters. Loop has 25 letters. [2023-11-19 07:58:53,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:53,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 166 transitions. Stem has 55 letters. Loop has 25 letters. [2023-11-19 07:58:53,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:53,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 166 transitions. Stem has 30 letters. Loop has 50 letters. [2023-11-19 07:58:53,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:53,901 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1360 states and 1490 transitions. [2023-11-19 07:58:53,911 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2023-11-19 07:58:53,920 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1360 states to 1171 states and 1286 transitions. [2023-11-19 07:58:53,920 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 101 [2023-11-19 07:58:53,920 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 102 [2023-11-19 07:58:53,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1171 states and 1286 transitions. [2023-11-19 07:58:53,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:53,921 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1171 states and 1286 transitions. [2023-11-19 07:58:53,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states and 1286 transitions. [2023-11-19 07:58:53,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 852. [2023-11-19 07:58:53,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 852 states have (on average 1.107981220657277) internal successors, (944), 851 states have internal predecessors, (944), 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 07:58:53,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 944 transitions. [2023-11-19 07:58:53,941 INFO L240 hiAutomatonCegarLoop]: Abstraction has 852 states and 944 transitions. [2023-11-19 07:58:53,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:53,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 07:58:53,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:58:53,942 INFO L87 Difference]: Start difference. First operand 852 states and 944 transitions. Second operand has 14 states, 14 states have (on average 7.0) internal successors, (98), 14 states have internal predecessors, (98), 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 07:58:54,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:55,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:55,289 INFO L93 Difference]: Finished difference Result 4122 states and 4424 transitions. [2023-11-19 07:58:55,289 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4122 states and 4424 transitions. [2023-11-19 07:58:55,317 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 114 [2023-11-19 07:58:55,337 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4122 states to 2876 states and 3106 transitions. [2023-11-19 07:58:55,337 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 276 [2023-11-19 07:58:55,338 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 276 [2023-11-19 07:58:55,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2876 states and 3106 transitions. [2023-11-19 07:58:55,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:55,338 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2876 states and 3106 transitions. [2023-11-19 07:58:55,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2876 states and 3106 transitions. [2023-11-19 07:58:55,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2876 to 1293. [2023-11-19 07:58:55,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1293 states, 1293 states have (on average 1.102861562258314) internal successors, (1426), 1292 states have internal predecessors, (1426), 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 07:58:55,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1426 transitions. [2023-11-19 07:58:55,376 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1293 states and 1426 transitions. [2023-11-19 07:58:55,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-19 07:58:55,376 INFO L428 stractBuchiCegarLoop]: Abstraction has 1293 states and 1426 transitions. [2023-11-19 07:58:55,377 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-19 07:58:55,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1293 states and 1426 transitions. [2023-11-19 07:58:55,382 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2023-11-19 07:58:55,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:55,383 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:55,384 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:55,384 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] [2023-11-19 07:58:55,384 INFO L748 eck$LassoCheckResult]: Stem: 17955#$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(9, 2); 17891#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~argv#1.base, main_~argv#1.offset, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~argv#1.base, main_~argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 17892#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 17877#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 17878#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 17913#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 18281#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18471#L18 assume !(0 == __VERIFIER_assert_~cond#1); 18441#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18328#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 18326#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18324#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 18322#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18320#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 18284#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 18174#L44 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 18175#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18905#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 18903#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18901#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 18900#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 18549#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 18525#L38-3 assume main_~l~0#1 > 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~l~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18523#L18-30 assume !(0 == __VERIFIER_assert_~cond#1); 18521#L18-32 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~l~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18519#L18-33 assume !(0 == __VERIFIER_assert_~cond#1); 18157#L18-35 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post6#1 := main_~l~0#1;main_~l~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 17962#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 17964#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 18129#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17950#L18 assume !(0 == __VERIFIER_assert_~cond#1); 17909#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17910#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 17881#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17882#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 17898#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17899#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 17948#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 17885#L44 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 17886#L39-1 [2023-11-19 07:58:55,385 INFO L750 eck$LassoCheckResult]: Loop: 17886#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17894#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 17895#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17942#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 18117#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 18116#L49 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17905#L18-18 assume !(0 == __VERIFIER_assert_~cond#1); 17906#L18-20 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~i~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17956#L18-21 assume !(0 == __VERIFIER_assert_~cond#1); 18114#L18-23 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17928#L18-24 assume !(0 == __VERIFIER_assert_~cond#1); 17929#L18-26 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17957#L18-27 assume !(0 == __VERIFIER_assert_~cond#1); 18112#L18-29 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_~i~0#1 := main_~j~0#1;main_~j~0#1 := 2 * main_~j~0#1; 18111#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 18110#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18109#L18 assume !(0 == __VERIFIER_assert_~cond#1); 18108#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18107#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 18106#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18105#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 18104#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18103#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 18102#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 18101#L44 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 1 + main_~j~0#1; 17886#L39-1 [2023-11-19 07:58:55,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:55,385 INFO L85 PathProgramCache]: Analyzing trace with hash 247002273, now seen corresponding path program 1 times [2023-11-19 07:58:55,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:55,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927013755] [2023-11-19 07:58:55,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:55,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:55,396 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:55,407 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:55,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:55,408 INFO L85 PathProgramCache]: Analyzing trace with hash -289806389, now seen corresponding path program 4 times [2023-11-19 07:58:55,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:55,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983422087] [2023-11-19 07:58:55,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:55,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:55,415 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:55,424 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:55,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:55,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1441831125, now seen corresponding path program 1 times [2023-11-19 07:58:55,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:55,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684052796] [2023-11-19 07:58:55,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:55,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:55,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:55,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:55,718 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:55,718 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:55,718 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:55,718 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:55,719 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:58:55,719 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:55,719 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:55,719 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:55,719 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration11_Loop [2023-11-19 07:58:55,719 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:55,719 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:55,720 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 07:58:55,722 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 07:58:55,724 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 07:58:55,727 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 07:58:55,729 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 07:58:55,786 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:55,786 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:58:55,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:55,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:55,789 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:55,797 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:55,798 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:55,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-19 07:58:55,811 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:55,811 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:55,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:55,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:55,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:55,824 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:55,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-19 07:58:55,828 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:55,828 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:55,839 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:55,840 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:55,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2023-11-19 07:58:55,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:55,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:55,855 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:55,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-19 07:58:55,857 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:55,857 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:55,868 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:55,868 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:55,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2023-11-19 07:58:55,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:55,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:55,886 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:55,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-19 07:58:55,888 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:55,888 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:55,899 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:55,899 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:55,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:55,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:55,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:55,915 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:55,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-19 07:58:55,916 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:55,916 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:55,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2023-11-19 07:58:55,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:55,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:55,949 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:55,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-19 07:58:55,950 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:58:55,950 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:56,053 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:58:56,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:56,056 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:56,056 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:56,056 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:56,056 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:56,056 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:58:56,056 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:56,056 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:56,056 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:56,056 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration11_Loop [2023-11-19 07:58:56,057 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:56,057 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:56,057 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 07:58:56,060 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 07:58:56,062 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 07:58:56,070 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 07:58:56,085 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 07:58:56,149 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:56,149 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:58:56,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:56,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:56,150 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:56,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-19 07:58:56,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:56,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:56,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:56,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:56,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:56,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:56,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:56,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:56,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:56,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2023-11-19 07:58:56,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:56,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:56,177 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:56,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-19 07:58:56,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:58:56,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:56,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:56,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:56,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:56,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:56,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:56,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:56,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:56,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2023-11-19 07:58:56,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:56,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:56,203 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:56,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-19 07:58:56,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:56,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:56,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:56,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:56,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:56,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:56,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:56,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:56,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:56,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:56,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:56,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:56,243 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:56,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-19 07:58:56,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:58:56,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:56,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:56,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:56,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:56,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:56,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:56,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:56,260 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:58:56,265 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-19 07:58:56,265 INFO L444 ModelExtractionUtils]: 1 out of 6 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-11-19 07:58:56,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:56,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:56,266 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:56,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-19 07:58:56,267 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:58:56,268 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:58:56,268 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:58:56,268 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~n~0#1) = -3*ULTIMATE.start_main_~j~0#1 + 2*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2023-11-19 07:58:56,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2023-11-19 07:58:56,282 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:58:56,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:56,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:58:56,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:56,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 07:58:56,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:56,612 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 07:58:56,612 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-19 07:58:56,613 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1293 states and 1426 transitions. cyclomatic complexity: 150 Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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 07:58:57,082 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1293 states and 1426 transitions. cyclomatic complexity: 150. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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 2335 states and 2530 transitions. Complement of second has 19 states. [2023-11-19 07:58:57,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 8 non-accepting loop states 1 accepting loop states [2023-11-19 07:58:57,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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 07:58:57,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 166 transitions. [2023-11-19 07:58:57,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 166 transitions. Stem has 39 letters. Loop has 25 letters. [2023-11-19 07:58:57,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:57,084 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:58:57,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:57,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:58:57,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:57,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 07:58:57,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:57,429 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 07:58:57,430 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-19 07:58:57,430 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1293 states and 1426 transitions. cyclomatic complexity: 150 Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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 07:58:57,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:57,908 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1293 states and 1426 transitions. cyclomatic complexity: 150. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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 2335 states and 2530 transitions. Complement of second has 19 states. [2023-11-19 07:58:57,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 8 non-accepting loop states 1 accepting loop states [2023-11-19 07:58:57,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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 07:58:57,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 166 transitions. [2023-11-19 07:58:57,910 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 166 transitions. Stem has 39 letters. Loop has 25 letters. [2023-11-19 07:58:57,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:57,910 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:58:57,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:57,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:58:57,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:58,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 07:58:58,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:58,223 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 07:58:58,224 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-19 07:58:58,224 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1293 states and 1426 transitions. cyclomatic complexity: 150 Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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 07:58:58,833 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1293 states and 1426 transitions. cyclomatic complexity: 150. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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 2930 states and 3164 transitions. Complement of second has 35 states. [2023-11-19 07:58:58,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 8 non-accepting loop states 1 accepting loop states [2023-11-19 07:58:58,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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 07:58:58,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 167 transitions. [2023-11-19 07:58:58,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 167 transitions. Stem has 39 letters. Loop has 25 letters. [2023-11-19 07:58:58,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:58,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 167 transitions. Stem has 64 letters. Loop has 25 letters. [2023-11-19 07:58:58,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:58,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 167 transitions. Stem has 39 letters. Loop has 50 letters. [2023-11-19 07:58:58,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:58,837 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2930 states and 3164 transitions. [2023-11-19 07:58:58,858 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2023-11-19 07:58:58,872 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2930 states to 1975 states and 2153 transitions. [2023-11-19 07:58:58,872 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 119 [2023-11-19 07:58:58,873 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 123 [2023-11-19 07:58:58,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1975 states and 2153 transitions. [2023-11-19 07:58:58,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:58,873 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1975 states and 2153 transitions. [2023-11-19 07:58:58,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states and 2153 transitions. [2023-11-19 07:58:58,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 731. [2023-11-19 07:58:58,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 731 states have (on average 1.0998632010943912) internal successors, (804), 730 states have internal predecessors, (804), 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 07:58:58,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 804 transitions. [2023-11-19 07:58:58,895 INFO L240 hiAutomatonCegarLoop]: Abstraction has 731 states and 804 transitions. [2023-11-19 07:58:58,896 INFO L428 stractBuchiCegarLoop]: Abstraction has 731 states and 804 transitions. [2023-11-19 07:58:58,896 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-19 07:58:58,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 731 states and 804 transitions. [2023-11-19 07:58:58,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-19 07:58:58,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:58,900 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:58,901 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:58,901 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] [2023-11-19 07:58:58,901 INFO L748 eck$LassoCheckResult]: Stem: 27554#$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(9, 2); 27488#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~argv#1.base, main_~argv#1.offset, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~argv#1.base, main_~argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 27489#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 27473#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 27474#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 27505#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 27925#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 28125#L18 assume !(0 == __VERIFIER_assert_~cond#1); 28123#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 28121#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 28119#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 28117#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 28115#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 28113#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 28111#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 28109#L44 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 1 + main_~j~0#1; 28048#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 28200#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 28199#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 28198#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 28197#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 27633#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 27630#L38-3 assume main_~l~0#1 > 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~l~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27628#L18-30 assume !(0 == __VERIFIER_assert_~cond#1); 27626#L18-32 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~l~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27624#L18-33 assume !(0 == __VERIFIER_assert_~cond#1); 27622#L18-35 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post6#1 := main_~l~0#1;main_~l~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 27592#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 27591#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 27588#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27587#L18 assume !(0 == __VERIFIER_assert_~cond#1); 27586#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27585#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 27584#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27512#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 27513#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27544#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 27545#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 27481#L44 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 27482#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27490#L18-12 [2023-11-19 07:58:58,901 INFO L750 eck$LassoCheckResult]: Loop: 27490#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 27491#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27529#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 27530#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 27514#L49 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27501#L18-18 assume !(0 == __VERIFIER_assert_~cond#1); 27502#L18-20 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~i~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27525#L18-21 assume !(0 == __VERIFIER_assert_~cond#1); 27526#L18-23 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27517#L18-24 assume !(0 == __VERIFIER_assert_~cond#1); 27518#L18-26 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27556#L18-27 assume !(0 == __VERIFIER_assert_~cond#1); 27540#L18-29 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_~i~0#1 := main_~j~0#1;main_~j~0#1 := 2 * main_~j~0#1; 27541#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 27521#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27522#L18 assume !(0 == __VERIFIER_assert_~cond#1); 27508#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27509#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 27477#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27478#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 27494#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27495#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 27549#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 27550#L44 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 27533#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27490#L18-12 [2023-11-19 07:58:58,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:58,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1073412628, now seen corresponding path program 1 times [2023-11-19 07:58:58,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:58,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266582997] [2023-11-19 07:58:58,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:58,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:58,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:58,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:58,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:58,925 INFO L85 PathProgramCache]: Analyzing trace with hash -472888785, now seen corresponding path program 1 times [2023-11-19 07:58:58,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:58,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169229352] [2023-11-19 07:58:58,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:58,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:58,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:58,941 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:58,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:58,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1266011484, now seen corresponding path program 2 times [2023-11-19 07:58:58,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:58,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400402961] [2023-11-19 07:58:58,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:58,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:58,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:58,971 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:59,273 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:59,273 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:59,273 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:59,273 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:59,273 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:58:59,273 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:59,273 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:59,274 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:59,274 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration12_Loop [2023-11-19 07:58:59,274 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:59,274 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:59,276 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 07:58:59,278 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 07:58:59,281 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 07:58:59,283 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 07:58:59,289 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 07:58:59,379 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:59,379 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:58:59,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:59,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:59,381 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:59,390 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:59,390 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:59,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-19 07:58:59,412 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:59,412 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:59,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:59,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:59,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:59,432 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:59,437 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:59,437 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:59,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-19 07:58:59,465 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:59,465 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=1} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:59,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:59,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:59,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:59,484 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:59,489 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:59,489 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:59,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-19 07:58:59,513 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:59,513 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:59,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:59,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:59,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:59,532 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:59,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:59,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:59,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2023-11-19 07:58:59,565 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:58:59,565 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=1} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:58:59,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:59,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:59,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:59,584 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:59,587 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:58:59,587 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:59,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-19 07:58:59,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:59,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:59,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:59,625 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:59,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-11-19 07:58:59,627 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:58:59,627 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:58:59,837 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:58:59,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:59,841 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:59,841 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:59,841 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:59,841 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:59,841 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:58:59,841 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:59,841 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:59,841 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:59,841 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration12_Loop [2023-11-19 07:58:59,842 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:59,842 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:59,842 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 07:58:59,846 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 07:58:59,848 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 07:58:59,850 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 07:58:59,857 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 07:58:59,936 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:59,936 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:58:59,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:59,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:59,937 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:59,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-19 07:58:59,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:58:59,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:59,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:59,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:59,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:59,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:59,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:59,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:59,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:59,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:59,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:59,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:59,964 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:59,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-11-19 07:58:59,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:58:59,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:59,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:59,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:59,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:59,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:59,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:59,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:59,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:59,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:59,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:59,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:59,989 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:59,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2023-11-19 07:58:59,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:59:00,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:59:00,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:59:00,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:59:00,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:59:00,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:59:00,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:59:00,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:59:00,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:59:00,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:00,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:59:00,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:00,016 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:00,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2023-11-19 07:59:00,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:59:00,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:59:00,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:59:00,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:59:00,028 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 07:59:00,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:59:00,029 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-19 07:59:00,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:59:00,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:59:00,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:00,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:59:00,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:00,069 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:00,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2023-11-19 07:59:00,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:59:00,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:59:00,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:59:00,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:59:00,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:59:00,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:59:00,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:59:00,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:59:00,087 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:59:00,092 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-19 07:59:00,092 INFO L444 ModelExtractionUtils]: 1 out of 6 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-11-19 07:59:00,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:59:00,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:00,093 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:00,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2023-11-19 07:59:00,096 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:59:00,096 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:59:00,096 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:59:00,096 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~n~0#1) = -2*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2023-11-19 07:59:00,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:00,111 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:59:00,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:00,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:59:00,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:00,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 07:59:00,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:00,493 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 07:59:00,494 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-19 07:59:00,494 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 731 states and 804 transitions. cyclomatic complexity: 79 Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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 07:59:00,730 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 731 states and 804 transitions. cyclomatic complexity: 79. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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 1134 states and 1226 transitions. Complement of second has 13 states. [2023-11-19 07:59:00,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2023-11-19 07:59:00,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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 07:59:00,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 67 transitions. [2023-11-19 07:59:00,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 67 transitions. Stem has 40 letters. Loop has 25 letters. [2023-11-19 07:59:00,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:59:00,732 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:59:00,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:00,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:59:00,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:00,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 07:59:00,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:01,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:01,086 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 07:59:01,086 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-19 07:59:01,087 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 731 states and 804 transitions. cyclomatic complexity: 79 Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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 07:59:01,307 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 731 states and 804 transitions. cyclomatic complexity: 79. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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 1134 states and 1226 transitions. Complement of second has 13 states. [2023-11-19 07:59:01,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2023-11-19 07:59:01,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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 07:59:01,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 67 transitions. [2023-11-19 07:59:01,311 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 67 transitions. Stem has 40 letters. Loop has 25 letters. [2023-11-19 07:59:01,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:59:01,311 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:59:01,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:01,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:59:01,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:01,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 07:59:01,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:01,626 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 07:59:01,626 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-19 07:59:01,626 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 731 states and 804 transitions. cyclomatic complexity: 79 Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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 07:59:01,939 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 731 states and 804 transitions. cyclomatic complexity: 79. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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 1749 states and 1892 transitions. Complement of second has 30 states. [2023-11-19 07:59:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2023-11-19 07:59:01,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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 07:59:01,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 121 transitions. [2023-11-19 07:59:01,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 121 transitions. Stem has 40 letters. Loop has 25 letters. [2023-11-19 07:59:01,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:59:01,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 121 transitions. Stem has 65 letters. Loop has 25 letters. [2023-11-19 07:59:01,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:59:01,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 121 transitions. Stem has 40 letters. Loop has 50 letters. [2023-11-19 07:59:01,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:59:01,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1749 states and 1892 transitions. [2023-11-19 07:59:01,958 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:59:01,958 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1749 states to 0 states and 0 transitions. [2023-11-19 07:59:01,958 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:59:01,958 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:59:01,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:59:01,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:59:01,958 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:59:01,959 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:59:01,959 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:59:01,959 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-19 07:59:01,959 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:59:01,959 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:59:01,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:59:01,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:59:01 BoogieIcfgContainer [2023-11-19 07:59:01,968 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:59:01,968 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:59:01,968 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:59:01,969 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:59:01,969 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:37" (3/4) ... [2023-11-19 07:59:01,971 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:59:01,972 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:59:01,973 INFO L158 Benchmark]: Toolchain (without parser) took 25615.21ms. Allocated memory was 161.5MB in the beginning and 251.7MB in the end (delta: 90.2MB). Free memory was 115.0MB in the beginning and 127.1MB in the end (delta: -12.1MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. [2023-11-19 07:59:01,973 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 161.5MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:59:01,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.17ms. Allocated memory is still 161.5MB. Free memory was 114.8MB in the beginning and 104.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:59:01,974 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.78ms. Allocated memory is still 161.5MB. Free memory was 104.0MB in the beginning and 102.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:59:01,975 INFO L158 Benchmark]: Boogie Preprocessor took 32.94ms. Allocated memory is still 161.5MB. Free memory was 102.1MB in the beginning and 100.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:59:01,975 INFO L158 Benchmark]: RCFGBuilder took 468.58ms. Allocated memory is still 161.5MB. Free memory was 100.3MB in the beginning and 85.5MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:59:01,976 INFO L158 Benchmark]: BuchiAutomizer took 24769.77ms. Allocated memory was 161.5MB in the beginning and 251.7MB in the end (delta: 90.2MB). Free memory was 85.3MB in the beginning and 128.2MB in the end (delta: -42.9MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2023-11-19 07:59:01,976 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 251.7MB. Free memory was 128.2MB in the beginning and 127.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:59:01,978 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 161.5MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.17ms. Allocated memory is still 161.5MB. Free memory was 114.8MB in the beginning and 104.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.78ms. Allocated memory is still 161.5MB. Free memory was 104.0MB in the beginning and 102.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.94ms. Allocated memory is still 161.5MB. Free memory was 102.1MB in the beginning and 100.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 468.58ms. Allocated memory is still 161.5MB. Free memory was 100.3MB in the beginning and 85.5MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 24769.77ms. Allocated memory was 161.5MB in the beginning and 251.7MB in the end (delta: 90.2MB). Free memory was 85.3MB in the beginning and 128.2MB in the end (delta: -42.9MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 251.7MB. Free memory was 128.2MB in the beginning and 127.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 18 terminating modules (8 trivial, 7 deterministic, 3 nondeterministic). One deterministic module has affine ranking function l and consists of 5 locations. One deterministic module has affine ranking function l and consists of 4 locations. One deterministic module has affine ranking function r and consists of 3 locations. One deterministic module has affine ranking function j and consists of 9 locations. One deterministic module has affine ranking function r and consists of 4 locations. One deterministic module has affine ranking function ((-2 * j) + (3 * r)) and consists of 9 locations. One deterministic module has affine ranking function ((-1 * j) + n) and consists of 10 locations. One nondeterministic module has affine ranking function ((-1 * j) + r) and consists of 8 locations. One nondeterministic module has affine ranking function ((2 * n) + (-3 * j)) and consists of 10 locations. One nondeterministic module has affine ranking function ((-2 * j) + n) and consists of 8 locations. 8 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 24.6s and 13 iterations. TraceHistogramMax:2. Analysis of lassos took 12.6s. Construction of modules took 3.2s. Büchi inclusion checks took 8.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 16. Automata minimization 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 4665 StatesRemovedByMinimization, 16 NontrivialMinimizations. Non-live state removal took 0.2s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [6, 1, 2, 1, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3448 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3430 mSDsluCounter, 4383 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2713 mSDsCounter, 237 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3853 IncrementalHoareTripleChecker+Invalid, 4090 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 237 mSolverCounterUnsat, 1670 mSDtfsCounter, 3853 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT4 conc0 concLT6 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital30 mio100 ax100 hnf100 lsp97 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq151 hnf93 smp100 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 23 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 10 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 3.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-19 07:59:02,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:02,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2023-11-19 07:59:02,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1a4779-654c-424f-bba2-3b65c6a3a658/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE