./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/float-benchs/filter2_reinit.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/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_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/float-benchs/filter2_reinit.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/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_451116b4-b9be-45a8-a99e-6f84665f8584/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 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:49:52,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:49:52,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:49:52,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:49:52,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:49:52,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:49:52,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:49:52,393 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:49:52,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:49:52,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:49:52,400 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:49:52,401 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:49:52,402 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:49:52,403 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:49:52,404 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:49:52,404 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:49:52,405 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:49:52,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:49:52,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:49:52,407 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:49:52,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:49:52,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:49:52,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:49:52,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:49:52,409 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:49:52,409 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:49:52,410 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:49:52,410 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:49:52,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:49:52,411 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:49:52,412 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:49:52,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:49:52,413 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:49:52,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:49:52,414 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:49:52,414 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:49:52,415 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_451116b4-b9be-45a8-a99e-6f84665f8584/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 [2023-11-19 07:49:52,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:49:52,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:49:52,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:49:52,720 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:49:52,721 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:49:52,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/float-benchs/filter2_reinit.c [2023-11-19 07:49:55,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:49:56,100 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:49:56,101 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/sv-benchmarks/c/float-benchs/filter2_reinit.c [2023-11-19 07:49:56,108 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/data/ec8c84cb0/aad42ca0c2d3439896d5b7fea32e4b4d/FLAG390473e40 [2023-11-19 07:49:56,126 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/data/ec8c84cb0/aad42ca0c2d3439896d5b7fea32e4b4d [2023-11-19 07:49:56,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:49:56,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:49:56,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:56,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:49:56,141 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:49:56,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:56" (1/1) ... [2023-11-19 07:49:56,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12f293dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:56, skipping insertion in model container [2023-11-19 07:49:56,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:56" (1/1) ... [2023-11-19 07:49:56,170 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:49:56,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:56,337 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:49:56,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:56,369 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:49:56,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:56 WrapperNode [2023-11-19 07:49:56,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:56,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:49:56,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:49:56,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:49:56,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:56" (1/1) ... [2023-11-19 07:49:56,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:56" (1/1) ... [2023-11-19 07:49:56,404 INFO L138 Inliner]: procedures = 15, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 70 [2023-11-19 07:49:56,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:49:56,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:49:56,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:49:56,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:49:56,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:56" (1/1) ... [2023-11-19 07:49:56,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:56" (1/1) ... [2023-11-19 07:49:56,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:56" (1/1) ... [2023-11-19 07:49:56,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:56" (1/1) ... [2023-11-19 07:49:56,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:56" (1/1) ... [2023-11-19 07:49:56,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:56" (1/1) ... [2023-11-19 07:49:56,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:56" (1/1) ... [2023-11-19 07:49:56,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:56" (1/1) ... [2023-11-19 07:49:56,434 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:49:56,435 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:49:56,435 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:49:56,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:49:56,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:56" (1/1) ... [2023-11-19 07:49:56,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:49:56,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:49:56,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:49:56,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:49:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:49:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:49:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:49:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:49:56,606 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:49:56,608 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:49:56,753 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:49:56,761 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:49:56,761 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:49:56,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:56 BoogieIcfgContainer [2023-11-19 07:49:56,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:49:56,766 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:49:56,766 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:49:56,770 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:49:56,771 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:49:56,772 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:49:56" (1/3) ... [2023-11-19 07:49:56,773 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79b1e3ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:49:56, skipping insertion in model container [2023-11-19 07:49:56,773 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:49:56,773 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:56" (2/3) ... [2023-11-19 07:49:56,774 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79b1e3ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:49:56, skipping insertion in model container [2023-11-19 07:49:56,774 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:49:56,774 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:56" (3/3) ... [2023-11-19 07:49:56,775 INFO L332 chiAutomizerObserver]: Analyzing ICFG filter2_reinit.c [2023-11-19 07:49:56,829 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:49:56,830 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:49:56,830 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:49:56,830 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:49:56,830 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:49:56,830 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:49:56,830 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:49:56,831 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:49:56,834 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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 07:49:56,852 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2023-11-19 07:49:56,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:49:56,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:49:56,859 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:49:56,859 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:56,859 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:49:56,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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 07:49:56,862 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2023-11-19 07:49:56,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:49:56,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:49:56,863 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:49:56,863 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:56,870 INFO L748 eck$LassoCheckResult]: Stem: 16#$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(17, 2);call #Ultimate.allocInit(12, 3); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~post6#1, main_~E~0#1, main_~E0~0#1, main_~E1~0#1, main_~S0~0#1, main_~S1~0#1, main_~S~0#1, main_~i~0#1;havoc main_~E~0#1;havoc main_~E0~0#1;havoc main_~E1~0#1;havoc main_~S0~0#1;havoc main_~S1~0#1;havoc main_~S~0#1;havoc main_~i~0#1;havoc main_#t~nondet4#1;main_~E~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~E0~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 2#L16true assume !(0 == assume_abort_if_not_~cond#1); 6#L15true havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E0~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E0~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 17#L16-2true assume !(0 == assume_abort_if_not_~cond#1); 19#L15-1true havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;main_~S0~0#1 := ~convertINTToDOUBLE(0);main_~S~0#1 := ~convertINTToDOUBLE(0);main_~i~0#1 := 0; 20#L34-3true [2023-11-19 07:49:56,871 INFO L750 eck$LassoCheckResult]: Loop: 20#L34-3true assume !!(main_~i~0#1 <= 1000000);main_~E1~0#1 := main_~E0~0#1;main_~E0~0#1 := main_~E~0#1;havoc main_#t~nondet7#1;main_~E~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 18#L16-4true assume 0 == assume_abort_if_not_~cond#1;assume false; 11#L15-2true havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;havoc main_#t~nondet8#1; 8#L42true assume 0 != main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~E1~0#1 := main_~E~0#1;main_~E0~0#1 := main_~E~0#1;main_~S0~0#1 := main_~E~0#1;main_~S~0#1 := main_~E~0#1; 15#L42-2true main_~S1~0#1 := main_~S0~0#1;main_~S0~0#1 := main_~S~0#1;main_~S~0#1 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(0.7, main_~E~0#1), ~someBinaryArithmeticDOUBLEoperation(main_~E0~0#1, 1.3)), ~someBinaryArithmeticDOUBLEoperation(main_~E1~0#1, 1.1)), ~someBinaryArithmeticDOUBLEoperation(main_~S0~0#1, 1.4)), ~someBinaryArithmeticDOUBLEoperation(main_~S1~0#1, 0.7));assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~S~0#1, ~someUnaryDOUBLEoperation(4.0)) && ~someBinaryDOUBLEComparisonOperation(main_~S~0#1, 4.0) then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 12#L18true assume !(0 == __VERIFIER_assert_~cond#1); 14#L18-3true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 10#L34-2true main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 20#L34-3true [2023-11-19 07:49:56,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:56,877 INFO L85 PathProgramCache]: Analyzing trace with hash 889568359, now seen corresponding path program 1 times [2023-11-19 07:49:56,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:56,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904784296] [2023-11-19 07:49:56,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:56,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:49:56,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:49:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:49:57,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:49:57,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:57,039 INFO L85 PathProgramCache]: Analyzing trace with hash 478165746, now seen corresponding path program 1 times [2023-11-19 07:49:57,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:57,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032003560] [2023-11-19 07:49:57,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:57,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:57,130 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 07:49:57,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:57,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032003560] [2023-11-19 07:49:57,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032003560] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:57,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:57,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:49:57,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983954757] [2023-11-19 07:49:57,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:57,138 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:49:57,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:57,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:49:57,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:49:57,216 INFO L87 Difference]: Start difference. First operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:57,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:49:57,226 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2023-11-19 07:49:57,228 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 20 transitions. [2023-11-19 07:49:57,232 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 07:49:57,236 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 14 states and 15 transitions. [2023-11-19 07:49:57,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-19 07:49:57,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-19 07:49:57,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 15 transitions. [2023-11-19 07:49:57,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:57,240 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 15 transitions. [2023-11-19 07:49:57,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 15 transitions. [2023-11-19 07:49:57,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-19 07:49:57,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:57,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2023-11-19 07:49:57,269 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 15 transitions. [2023-11-19 07:49:57,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:49:57,278 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 15 transitions. [2023-11-19 07:49:57,279 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:49:57,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 15 transitions. [2023-11-19 07:49:57,281 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 07:49:57,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:49:57,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:49:57,283 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:49:57,284 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:57,285 INFO L748 eck$LassoCheckResult]: Stem: 59#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2);call #Ultimate.allocInit(12, 3); 50#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~post6#1, main_~E~0#1, main_~E0~0#1, main_~E1~0#1, main_~S0~0#1, main_~S1~0#1, main_~S~0#1, main_~i~0#1;havoc main_~E~0#1;havoc main_~E0~0#1;havoc main_~E1~0#1;havoc main_~S0~0#1;havoc main_~S1~0#1;havoc main_~S~0#1;havoc main_~i~0#1;havoc main_#t~nondet4#1;main_~E~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~E0~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 47#L16 assume !(0 == assume_abort_if_not_~cond#1); 48#L15 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E0~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E0~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 49#L16-2 assume !(0 == assume_abort_if_not_~cond#1); 58#L15-1 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;main_~S0~0#1 := ~convertINTToDOUBLE(0);main_~S~0#1 := ~convertINTToDOUBLE(0);main_~i~0#1 := 0; 54#L34-3 [2023-11-19 07:49:57,285 INFO L750 eck$LassoCheckResult]: Loop: 54#L34-3 assume !!(main_~i~0#1 <= 1000000);main_~E1~0#1 := main_~E0~0#1;main_~E0~0#1 := main_~E~0#1;havoc main_#t~nondet7#1;main_~E~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 60#L16-4 assume !(0 == assume_abort_if_not_~cond#1); 55#L15-2 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;havoc main_#t~nondet8#1; 51#L42 assume 0 != main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~E1~0#1 := main_~E~0#1;main_~E0~0#1 := main_~E~0#1;main_~S0~0#1 := main_~E~0#1;main_~S~0#1 := main_~E~0#1; 52#L42-2 main_~S1~0#1 := main_~S0~0#1;main_~S0~0#1 := main_~S~0#1;main_~S~0#1 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(0.7, main_~E~0#1), ~someBinaryArithmeticDOUBLEoperation(main_~E0~0#1, 1.3)), ~someBinaryArithmeticDOUBLEoperation(main_~E1~0#1, 1.1)), ~someBinaryArithmeticDOUBLEoperation(main_~S0~0#1, 1.4)), ~someBinaryArithmeticDOUBLEoperation(main_~S1~0#1, 0.7));assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~S~0#1, ~someUnaryDOUBLEoperation(4.0)) && ~someBinaryDOUBLEComparisonOperation(main_~S~0#1, 4.0) then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 56#L18 assume !(0 == __VERIFIER_assert_~cond#1); 57#L18-3 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 53#L34-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 54#L34-3 [2023-11-19 07:49:57,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:57,287 INFO L85 PathProgramCache]: Analyzing trace with hash 889568359, now seen corresponding path program 2 times [2023-11-19 07:49:57,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:57,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633803615] [2023-11-19 07:49:57,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:57,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:49:57,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:49:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:49:57,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:49:57,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:57,370 INFO L85 PathProgramCache]: Analyzing trace with hash -2041794188, now seen corresponding path program 1 times [2023-11-19 07:49:57,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:57,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256425402] [2023-11-19 07:49:57,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:57,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:49:57,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:49:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:49:57,399 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:49:57,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:57,401 INFO L85 PathProgramCache]: Analyzing trace with hash 991602650, now seen corresponding path program 1 times [2023-11-19 07:49:57,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:57,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792820124] [2023-11-19 07:49:57,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:57,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:49:57,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:49:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:49:57,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:49:57,660 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:49:57,660 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:49:57,661 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:49:57,661 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:49:57,661 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:49:57,661 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:49:57,661 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:49:57,662 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:49:57,662 INFO L133 ssoRankerPreferences]: Filename of dumped script: filter2_reinit.c_Iteration2_Loop [2023-11-19 07:49:57,662 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:49:57,662 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:49:57,681 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 07:49:57,691 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 07:49:57,695 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 07:49:57,704 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 07:49:57,707 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 07:49:57,710 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 07:49:57,721 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 07:49:57,724 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 07:49:57,728 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 07:49:57,731 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 07:49:57,817 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:49:57,818 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:49:57,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:49:57,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:49:57,828 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:49:57,837 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:49:57,837 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:49:57,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:49:57,863 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:49:57,864 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_assume_abort_if_not_~cond#1=0} Honda state: {ULTIMATE.start_assume_abort_if_not_~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:49:57,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:49:57,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:49:57,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:49:57,892 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:49:57,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:49:57,898 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:49:57,914 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:49:57,914 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet7#1=0} Honda state: {ULTIMATE.start_main_#t~nondet7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:49:57,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:49:57,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:49:57,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:49:57,938 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:49:57,949 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:49:57,949 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:49:57,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:49:57,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:49:57,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:49:57,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:49:58,000 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:49:58,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:49:58,001 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:49:58,002 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:49:58,064 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:49:58,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:49:58,078 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:49:58,078 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:49:58,078 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:49:58,078 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:49:58,079 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:49:58,079 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:49:58,079 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:49:58,079 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:49:58,079 INFO L133 ssoRankerPreferences]: Filename of dumped script: filter2_reinit.c_Iteration2_Loop [2023-11-19 07:49:58,079 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:49:58,079 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:49:58,081 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 07:49:58,089 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 07:49:58,093 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 07:49:58,096 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 07:49:58,099 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 07:49:58,103 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 07:49:58,106 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 07:49:58,121 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 07:49:58,124 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 07:49:58,127 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 07:49:58,221 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:49:58,226 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:49:58,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:49:58,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:49:58,232 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:49:58,235 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 07:49:58,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:49:58,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:49:58,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:49:58,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:49:58,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:49:58,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:49:58,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:49:58,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:49:58,276 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:49:58,279 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:49:58,279 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:49:58,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:49:58,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:49:58,321 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:49:58,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:49:58,326 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:49:58,326 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:49:58,327 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:49:58,327 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 2000001 Supporting invariants [] [2023-11-19 07:49:58,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:49:58,350 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:49:58,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:58,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:49:58,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:49:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:58,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:49:58,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:49:58,542 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 07:49:58,545 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 07:49:58,547 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 15 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:58,591 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 15 transitions. cyclomatic complexity: 2. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 25 transitions. Complement of second has 4 states. [2023-11-19 07:49:58,593 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 07:49:58,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:58,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2023-11-19 07:49:58,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 6 letters. Loop has 8 letters. [2023-11-19 07:49:58,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:49:58,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 14 letters. Loop has 8 letters. [2023-11-19 07:49:58,598 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:49:58,598 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 6 letters. Loop has 16 letters. [2023-11-19 07:49:58,598 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:49:58,598 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2023-11-19 07:49:58,600 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:49:58,600 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2023-11-19 07:49:58,600 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:49:58,600 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:49:58,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:49:58,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:49:58,600 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:49:58,600 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:49:58,601 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:49:58,601 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:49:58,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:49:58,601 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:49:58,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:49:58,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:49:58 BoogieIcfgContainer [2023-11-19 07:49:58,613 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:49:58,614 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:49:58,614 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:49:58,614 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:49:58,615 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:56" (3/4) ... [2023-11-19 07:49:58,617 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:49:58,618 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:49:58,620 INFO L158 Benchmark]: Toolchain (without parser) took 2488.56ms. Allocated memory is still 159.4MB. Free memory was 119.7MB in the beginning and 70.9MB in the end (delta: 48.9MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2023-11-19 07:49:58,626 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 123.7MB. Free memory was 67.4MB in the beginning and 67.3MB in the end (delta: 98.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:49:58,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.18ms. Allocated memory is still 159.4MB. Free memory was 119.7MB in the beginning and 108.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:49:58,629 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.92ms. Allocated memory is still 159.4MB. Free memory was 108.9MB in the beginning and 107.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:49:58,629 INFO L158 Benchmark]: Boogie Preprocessor took 28.84ms. Allocated memory is still 159.4MB. Free memory was 107.2MB in the beginning and 106.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:49:58,630 INFO L158 Benchmark]: RCFGBuilder took 329.98ms. Allocated memory is still 159.4MB. Free memory was 106.1MB in the beginning and 95.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:49:58,630 INFO L158 Benchmark]: BuchiAutomizer took 1846.57ms. Allocated memory is still 159.4MB. Free memory was 95.5MB in the beginning and 70.9MB in the end (delta: 24.7MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-11-19 07:49:58,633 INFO L158 Benchmark]: Witness Printer took 4.65ms. Allocated memory is still 159.4MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:49:58,642 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 123.7MB. Free memory was 67.4MB in the beginning and 67.3MB in the end (delta: 98.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.18ms. Allocated memory is still 159.4MB. Free memory was 119.7MB in the beginning and 108.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.92ms. Allocated memory is still 159.4MB. Free memory was 108.9MB in the beginning and 107.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.84ms. Allocated memory is still 159.4MB. Free memory was 107.2MB in the beginning and 106.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 329.98ms. Allocated memory is still 159.4MB. Free memory was 106.1MB in the beginning and 95.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1846.57ms. Allocated memory is still 159.4MB. Free memory was 95.5MB in the beginning and 70.9MB in the end (delta: 24.7MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Witness Printer took 4.65ms. Allocated memory is still 159.4MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((-2 * i) + 2000001) and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 33 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq214 hnf86 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 99ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s 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 07:49:58,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:49:58,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_451116b4-b9be-45a8-a99e-6f84665f8584/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