./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b 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_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5e99154d55f7fd098c0e840b496605adea5c7214bf70234e7c54dceeadfa306b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:55:59,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:55:59,281 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 22:55:59,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:55:59,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:55:59,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:55:59,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:55:59,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:55:59,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:55:59,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:55:59,360 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:55:59,360 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:55:59,361 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:55:59,363 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:55:59,363 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:55:59,364 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:55:59,364 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:55:59,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:55:59,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:55:59,365 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:55:59,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:55:59,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:55:59,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:55:59,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:55:59,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:55:59,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:55:59,369 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:55:59,369 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:55:59,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:55:59,370 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:55:59,371 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:55:59,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:55:59,372 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:55:59,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:55:59,373 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:55:59,373 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:55:59,374 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_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e99154d55f7fd098c0e840b496605adea5c7214bf70234e7c54dceeadfa306b [2023-11-06 22:55:59,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:55:59,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:55:59,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:55:59,788 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:55:59,789 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:55:59,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c [2023-11-06 22:56:02,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:56:03,136 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:56:03,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c [2023-11-06 22:56:03,149 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/data/1961c5c08/3080fc5bef704f5b85261487b7941b6b/FLAGbe9b07f38 [2023-11-06 22:56:03,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/data/1961c5c08/3080fc5bef704f5b85261487b7941b6b [2023-11-06 22:56:03,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:56:03,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:56:03,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:56:03,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:56:03,190 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:56:03,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:56:03" (1/1) ... [2023-11-06 22:56:03,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@298f3801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:03, skipping insertion in model container [2023-11-06 22:56:03,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:56:03" (1/1) ... [2023-11-06 22:56:03,249 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:56:03,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:56:03,501 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:56:03,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:56:03,593 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:56:03,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:03 WrapperNode [2023-11-06 22:56:03,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:56:03,595 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:56:03,595 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:56:03,595 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:56:03,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:03" (1/1) ... [2023-11-06 22:56:03,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:03" (1/1) ... [2023-11-06 22:56:03,663 INFO L138 Inliner]: procedures = 24, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 358 [2023-11-06 22:56:03,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:56:03,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:56:03,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:56:03,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:56:03,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:03" (1/1) ... [2023-11-06 22:56:03,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:03" (1/1) ... [2023-11-06 22:56:03,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:03" (1/1) ... [2023-11-06 22:56:03,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:03" (1/1) ... [2023-11-06 22:56:03,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:03" (1/1) ... [2023-11-06 22:56:03,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:03" (1/1) ... [2023-11-06 22:56:03,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:03" (1/1) ... [2023-11-06 22:56:03,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:03" (1/1) ... [2023-11-06 22:56:03,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:56:03,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:56:03,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:56:03,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:56:03,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:03" (1/1) ... [2023-11-06 22:56:03,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:56:03,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:56:03,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:56:03,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:56:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:56:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:56:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:56:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:56:03,892 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:56:03,894 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:56:04,495 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:56:04,503 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:56:04,503 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:56:04,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:56:04 BoogieIcfgContainer [2023-11-06 22:56:04,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:56:04,507 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:56:04,507 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:56:04,511 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:56:04,512 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:56:04,512 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:56:03" (1/3) ... [2023-11-06 22:56:04,513 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6dba70cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:56:04, skipping insertion in model container [2023-11-06 22:56:04,513 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:56:04,514 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:03" (2/3) ... [2023-11-06 22:56:04,514 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6dba70cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:56:04, skipping insertion in model container [2023-11-06 22:56:04,514 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:56:04,514 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:56:04" (3/3) ... [2023-11-06 22:56:04,516 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c [2023-11-06 22:56:04,578 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:56:04,578 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:56:04,578 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:56:04,578 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:56:04,578 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:56:04,579 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:56:04,579 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:56:04,579 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:56:04,586 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.7326732673267327) internal successors, (175), 101 states have internal predecessors, (175), 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) [2023-11-06 22:56:04,626 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 60 [2023-11-06 22:56:04,626 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:56:04,627 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:56:04,637 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:56:04,637 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:56:04,638 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:56:04,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.7326732673267327) internal successors, (175), 101 states have internal predecessors, (175), 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) [2023-11-06 22:56:04,657 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 60 [2023-11-06 22:56:04,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:56:04,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:56:04,659 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:56:04,659 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:56:04,672 INFO L748 eck$LassoCheckResult]: Stem: 26#$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(48, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0; 31#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~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1, main_#t~post32#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~id5~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~send5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~mode5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~alive5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 58#L246true assume !(0 == ~r1~0);init_~tmp~0#1 := 0; 16#L246-1true init_#res#1 := init_~tmp~0#1; 74#init_returnLabel#1true main_#t~ret30#1 := init_#res#1;havoc init_~tmp~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 33#L22true assume !(0 == assume_abort_if_not_~cond#1); 79#L21true havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 13#L444-2true [2023-11-06 22:56:04,683 INFO L750 eck$LassoCheckResult]: Loop: 13#L444-2true assume !!(main_~i2~0#1 < 10);assume { :begin_inline_node1 } true;havoc node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 62#L76true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 7#L80true assume !(node1_~m1~0#1 != ~nomsg~0); 88#L80-1true ~mode1~0 := 0; 92#L76-2true havoc node1_~m1~0#1;assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 17#L111true assume !(0 != ~mode2~0 % 256); 46#L128true assume 0 != ~alive2~0 % 256;~p2_new~0 := (if (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 <= 127 then (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 else (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 - 256); 78#L131-2true ~mode2~0 := 1; 80#L111-2true havoc node2_~m2~0#1;assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 51#L145true assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 25#L148true assume !(node3_~m3~0#1 != ~nomsg~0); 85#L148-1true ~mode3~0 := 0; 44#L145-2true havoc node3_~m3~0#1;assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 96#L179true assume !(0 != ~mode4~0 % 256); 59#L196true assume 0 != ~alive4~0 % 256;~p4_new~0 := (if (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 <= 127 then (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 else (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 - 256); 86#L199-2true ~mode4~0 := 1; 20#L179-2true havoc node4_~m4~0#1;assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 97#L213true assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 83#L216true assume !(node5_~m5~0#1 != ~nomsg~0); 54#L216-1true ~mode5~0 := 0; 11#L213-2true havoc node5_~m5~0#1;assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 40#L383true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1#1 := 0; 8#L383-1true check_#res#1 := check_~tmp~1#1; 15#check_returnLabel#1true main_#t~ret31#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 47#L474true assume !(0 == assert_~arg#1 % 256); 12#L469true havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post32#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post32#1;havoc main_#t~post32#1; 13#L444-2true [2023-11-06 22:56:04,689 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:56:04,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1984313218, now seen corresponding path program 1 times [2023-11-06 22:56:04,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:56:04,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289092553] [2023-11-06 22:56:04,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:56:04,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:56:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:05,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:56:05,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:56:05,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289092553] [2023-11-06 22:56:05,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289092553] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:56:05,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:56:05,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:56:05,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57454663] [2023-11-06 22:56:05,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:56:05,025 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:56:05,025 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:56:05,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1291504272, now seen corresponding path program 1 times [2023-11-06 22:56:05,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:56:05,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222040273] [2023-11-06 22:56:05,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:56:05,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:56:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:05,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:56:05,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:56:05,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222040273] [2023-11-06 22:56:05,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222040273] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:56:05,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:56:05,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:56:05,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14325192] [2023-11-06 22:56:05,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:56:05,464 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:56:05,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:56:05,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:56:05,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:56:05,510 INFO L87 Difference]: Start difference. First operand has 102 states, 101 states have (on average 1.7326732673267327) internal successors, (175), 101 states have internal predecessors, (175), 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 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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) [2023-11-06 22:56:05,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:56:05,644 INFO L93 Difference]: Finished difference Result 104 states and 173 transitions. [2023-11-06 22:56:05,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 104 states and 173 transitions. [2023-11-06 22:56:05,648 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2023-11-06 22:56:05,660 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 104 states to 96 states and 134 transitions. [2023-11-06 22:56:05,662 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 96 [2023-11-06 22:56:05,664 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 96 [2023-11-06 22:56:05,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 96 states and 134 transitions. [2023-11-06 22:56:05,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:56:05,667 INFO L218 hiAutomatonCegarLoop]: Abstraction has 96 states and 134 transitions. [2023-11-06 22:56:05,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states and 134 transitions. [2023-11-06 22:56:05,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-11-06 22:56:05,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 96 states have (on average 1.3958333333333333) internal successors, (134), 95 states have internal predecessors, (134), 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) [2023-11-06 22:56:05,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 134 transitions. [2023-11-06 22:56:05,707 INFO L240 hiAutomatonCegarLoop]: Abstraction has 96 states and 134 transitions. [2023-11-06 22:56:05,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:56:05,718 INFO L428 stractBuchiCegarLoop]: Abstraction has 96 states and 134 transitions. [2023-11-06 22:56:05,718 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:56:05,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states and 134 transitions. [2023-11-06 22:56:05,721 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2023-11-06 22:56:05,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:56:05,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:56:05,731 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:56:05,732 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:56:05,733 INFO L748 eck$LassoCheckResult]: Stem: 294#$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(48, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0; 295#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~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1, main_#t~post32#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~id5~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~send5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~mode5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~alive5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 303#L246 assume 0 == ~r1~0; 301#L247 assume (if ~alive1~0 % 256 % 4294967296 <= 2147483647 then ~alive1~0 % 256 % 4294967296 else ~alive1~0 % 256 % 4294967296 - 4294967296) + (if ~alive2~0 % 256 % 4294967296 <= 2147483647 then ~alive2~0 % 256 % 4294967296 else ~alive2~0 % 256 % 4294967296 - 4294967296) + (if ~alive3~0 % 256 % 4294967296 <= 2147483647 then ~alive3~0 % 256 % 4294967296 else ~alive3~0 % 256 % 4294967296 - 4294967296) + (if ~alive4~0 % 256 % 4294967296 <= 2147483647 then ~alive4~0 % 256 % 4294967296 else ~alive4~0 % 256 % 4294967296 - 4294967296) + (if ~alive5~0 % 256 % 4294967296 <= 2147483647 then ~alive5~0 % 256 % 4294967296 else ~alive5~0 % 256 % 4294967296 - 4294967296) >= 1; 302#L248 assume ~id1~0 >= 0; 230#L249 assume 0 == ~st1~0; 231#L250 assume ~send1~0 == ~id1~0; 253#L251 assume 0 == (if ~mode1~0 % 256 % 4294967296 <= 2147483647 then ~mode1~0 % 256 % 4294967296 else ~mode1~0 % 256 % 4294967296 - 4294967296); 254#L252 assume ~id2~0 >= 0; 259#L253 assume 0 == ~st2~0; 260#L254 assume ~send2~0 == ~id2~0; 261#L255 assume 0 == (if ~mode2~0 % 256 % 4294967296 <= 2147483647 then ~mode2~0 % 256 % 4294967296 else ~mode2~0 % 256 % 4294967296 - 4294967296); 262#L256 assume ~id3~0 >= 0; 310#L257 assume 0 == ~st3~0; 296#L258 assume ~send3~0 == ~id3~0; 224#L259 assume 0 == (if ~mode3~0 % 256 % 4294967296 <= 2147483647 then ~mode3~0 % 256 % 4294967296 else ~mode3~0 % 256 % 4294967296 - 4294967296); 225#L260 assume ~id4~0 >= 0; 319#L261 assume 0 == ~st4~0; 316#L262 assume ~send4~0 == ~id4~0; 317#L263 assume 0 == (if ~mode4~0 % 256 % 4294967296 <= 2147483647 then ~mode4~0 % 256 % 4294967296 else ~mode4~0 % 256 % 4294967296 - 4294967296); 318#L264 assume ~id5~0 >= 0; 226#L265 assume 0 == ~st5~0; 227#L266 assume ~send5~0 == ~id5~0; 246#L267 assume 0 == (if ~mode5~0 % 256 % 4294967296 <= 2147483647 then ~mode5~0 % 256 % 4294967296 else ~mode5~0 % 256 % 4294967296 - 4294967296); 273#L268 assume ~id1~0 != ~id2~0; 274#L269 assume ~id1~0 != ~id3~0; 239#L270 assume ~id1~0 != ~id4~0; 240#L271 assume ~id1~0 != ~id5~0; 297#L272 assume ~id2~0 != ~id3~0; 305#L273 assume ~id2~0 != ~id4~0; 268#L274 assume ~id2~0 != ~id5~0; 269#L275 assume ~id3~0 != ~id4~0; 228#L276 assume ~id3~0 != ~id5~0; 229#L277 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 266#L246-1 init_#res#1 := init_~tmp~0#1; 267#init_returnLabel#1 main_#t~ret30#1 := init_#res#1;havoc init_~tmp~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 279#L22 assume !(0 == assume_abort_if_not_~cond#1); 291#L21 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 252#L444-2 [2023-11-06 22:56:05,735 INFO L750 eck$LassoCheckResult]: Loop: 252#L444-2 assume !!(main_~i2~0#1 < 10);assume { :begin_inline_node1 } true;havoc node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 258#L76 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 241#L80 assume !(node1_~m1~0#1 != ~nomsg~0); 243#L80-1 ~mode1~0 := 0; 307#L76-2 havoc node1_~m1~0#1;assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 270#L111 assume !(0 != ~mode2~0 % 256); 272#L128 assume 0 != ~alive2~0 % 256;~p2_new~0 := (if (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 <= 127 then (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 else (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 - 256); 287#L131-2 ~mode2~0 := 1; 286#L111-2 havoc node2_~m2~0#1;assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 292#L145 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 293#L148 assume !(node3_~m3~0#1 != ~nomsg~0); 238#L148-1 ~mode3~0 := 0; 280#L145-2 havoc node3_~m3~0#1;assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 314#L179 assume !(0 != ~mode4~0 % 256); 315#L196 assume 0 != ~alive4~0 % 256;~p4_new~0 := (if (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 <= 127 then (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 else (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 - 256); 304#L199-2 ~mode4~0 := 1; 277#L179-2 havoc node4_~m4~0#1;assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 278#L213 assume !(0 != ~mode5~0 % 256); 234#L230 assume 0 != ~alive5~0 % 256;~p5_new~0 := (if (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 <= 127 then (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 else (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 - 256); 235#L233-2 ~mode5~0 := 1; 249#L213-2 havoc node5_~m5~0#1;assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 250#L383 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1#1 := 0; 244#L383-1 check_#res#1 := check_~tmp~1#1; 245#check_returnLabel#1 main_#t~ret31#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 265#L474 assume !(0 == assert_~arg#1 % 256); 251#L469 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post32#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post32#1;havoc main_#t~post32#1; 252#L444-2 [2023-11-06 22:56:05,735 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:56:05,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 1 times [2023-11-06 22:56:05,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:56:05,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713058755] [2023-11-06 22:56:05,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:56:05,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:56:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:56:05,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:56:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:56:05,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:56:05,899 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:56:05,899 INFO L85 PathProgramCache]: Analyzing trace with hash 397248593, now seen corresponding path program 1 times [2023-11-06 22:56:05,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:56:05,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368737245] [2023-11-06 22:56:05,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:56:05,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:56:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:06,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:56:06,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:56:06,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368737245] [2023-11-06 22:56:06,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368737245] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:56:06,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:56:06,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:56:06,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362469895] [2023-11-06 22:56:06,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:56:06,197 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:56:06,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:56:06,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:56:06,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:56:06,199 INFO L87 Difference]: Start difference. First operand 96 states and 134 transitions. cyclomatic complexity: 39 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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) [2023-11-06 22:56:06,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:56:06,253 INFO L93 Difference]: Finished difference Result 99 states and 136 transitions. [2023-11-06 22:56:06,253 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 136 transitions. [2023-11-06 22:56:06,262 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2023-11-06 22:56:06,265 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 96 states and 132 transitions. [2023-11-06 22:56:06,265 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 96 [2023-11-06 22:56:06,266 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 96 [2023-11-06 22:56:06,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 96 states and 132 transitions. [2023-11-06 22:56:06,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:56:06,269 INFO L218 hiAutomatonCegarLoop]: Abstraction has 96 states and 132 transitions. [2023-11-06 22:56:06,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states and 132 transitions. [2023-11-06 22:56:06,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-11-06 22:56:06,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 96 states have (on average 1.375) internal successors, (132), 95 states have internal predecessors, (132), 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) [2023-11-06 22:56:06,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 132 transitions. [2023-11-06 22:56:06,284 INFO L240 hiAutomatonCegarLoop]: Abstraction has 96 states and 132 transitions. [2023-11-06 22:56:06,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:56:06,285 INFO L428 stractBuchiCegarLoop]: Abstraction has 96 states and 132 transitions. [2023-11-06 22:56:06,286 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:56:06,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states and 132 transitions. [2023-11-06 22:56:06,290 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2023-11-06 22:56:06,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:56:06,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:56:06,296 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:56:06,296 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:56:06,298 INFO L748 eck$LassoCheckResult]: Stem: 501#$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(48, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0; 502#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~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1, main_#t~post32#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~id5~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~send5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~mode5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~alive5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 510#L246 assume 0 == ~r1~0; 508#L247 assume (if ~alive1~0 % 256 % 4294967296 <= 2147483647 then ~alive1~0 % 256 % 4294967296 else ~alive1~0 % 256 % 4294967296 - 4294967296) + (if ~alive2~0 % 256 % 4294967296 <= 2147483647 then ~alive2~0 % 256 % 4294967296 else ~alive2~0 % 256 % 4294967296 - 4294967296) + (if ~alive3~0 % 256 % 4294967296 <= 2147483647 then ~alive3~0 % 256 % 4294967296 else ~alive3~0 % 256 % 4294967296 - 4294967296) + (if ~alive4~0 % 256 % 4294967296 <= 2147483647 then ~alive4~0 % 256 % 4294967296 else ~alive4~0 % 256 % 4294967296 - 4294967296) + (if ~alive5~0 % 256 % 4294967296 <= 2147483647 then ~alive5~0 % 256 % 4294967296 else ~alive5~0 % 256 % 4294967296 - 4294967296) >= 1; 509#L248 assume ~id1~0 >= 0; 437#L249 assume 0 == ~st1~0; 438#L250 assume ~send1~0 == ~id1~0; 460#L251 assume 0 == (if ~mode1~0 % 256 % 4294967296 <= 2147483647 then ~mode1~0 % 256 % 4294967296 else ~mode1~0 % 256 % 4294967296 - 4294967296); 461#L252 assume ~id2~0 >= 0; 469#L253 assume 0 == ~st2~0; 470#L254 assume ~send2~0 == ~id2~0; 471#L255 assume 0 == (if ~mode2~0 % 256 % 4294967296 <= 2147483647 then ~mode2~0 % 256 % 4294967296 else ~mode2~0 % 256 % 4294967296 - 4294967296); 472#L256 assume ~id3~0 >= 0; 518#L257 assume 0 == ~st3~0; 503#L258 assume ~send3~0 == ~id3~0; 431#L259 assume 0 == (if ~mode3~0 % 256 % 4294967296 <= 2147483647 then ~mode3~0 % 256 % 4294967296 else ~mode3~0 % 256 % 4294967296 - 4294967296); 432#L260 assume ~id4~0 >= 0; 526#L261 assume 0 == ~st4~0; 523#L262 assume ~send4~0 == ~id4~0; 524#L263 assume 0 == (if ~mode4~0 % 256 % 4294967296 <= 2147483647 then ~mode4~0 % 256 % 4294967296 else ~mode4~0 % 256 % 4294967296 - 4294967296); 525#L264 assume ~id5~0 >= 0; 433#L265 assume 0 == ~st5~0; 434#L266 assume ~send5~0 == ~id5~0; 457#L267 assume 0 == (if ~mode5~0 % 256 % 4294967296 <= 2147483647 then ~mode5~0 % 256 % 4294967296 else ~mode5~0 % 256 % 4294967296 - 4294967296); 482#L268 assume ~id1~0 != ~id2~0; 483#L269 assume ~id1~0 != ~id3~0; 446#L270 assume ~id1~0 != ~id4~0; 447#L271 assume ~id1~0 != ~id5~0; 504#L272 assume ~id2~0 != ~id3~0; 512#L273 assume ~id2~0 != ~id4~0; 475#L274 assume ~id2~0 != ~id5~0; 476#L275 assume ~id3~0 != ~id4~0; 435#L276 assume ~id3~0 != ~id5~0; 436#L277 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 473#L246-1 init_#res#1 := init_~tmp~0#1; 474#init_returnLabel#1 main_#t~ret30#1 := init_#res#1;havoc init_~tmp~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 487#L22 assume !(0 == assume_abort_if_not_~cond#1); 499#L21 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 459#L444-2 [2023-11-06 22:56:06,298 INFO L750 eck$LassoCheckResult]: Loop: 459#L444-2 assume !!(main_~i2~0#1 < 10);assume { :begin_inline_node1 } true;havoc node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 465#L76 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 448#L80 assume !(node1_~m1~0#1 != ~nomsg~0); 450#L80-1 ~mode1~0 := 0; 514#L76-2 havoc node1_~m1~0#1;assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 477#L111 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 478#L114 assume !(node2_~m2~0#1 != ~nomsg~0); 492#L114-1 ~mode2~0 := 0; 493#L111-2 havoc node2_~m2~0#1;assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 498#L145 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 500#L148 assume !(node3_~m3~0#1 != ~nomsg~0); 445#L148-1 ~mode3~0 := 0; 486#L145-2 havoc node3_~m3~0#1;assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 520#L179 assume !(0 != ~mode4~0 % 256); 522#L196 assume 0 != ~alive4~0 % 256;~p4_new~0 := (if (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 <= 127 then (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 else (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 - 256); 511#L199-2 ~mode4~0 := 1; 484#L179-2 havoc node4_~m4~0#1;assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 485#L213 assume !(0 != ~mode5~0 % 256); 441#L230 assume 0 != ~alive5~0 % 256;~p5_new~0 := (if (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 <= 127 then (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 else (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 - 256); 442#L233-2 ~mode5~0 := 1; 455#L213-2 havoc node5_~m5~0#1;assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 456#L383 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 517#L384 assume ~r1~0 < 5;check_~tmp~1#1 := 1; 451#L383-1 check_#res#1 := check_~tmp~1#1; 452#check_returnLabel#1 main_#t~ret31#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 468#L474 assume !(0 == assert_~arg#1 % 256); 458#L469 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post32#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post32#1;havoc main_#t~post32#1; 459#L444-2 [2023-11-06 22:56:06,299 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:56:06,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 2 times [2023-11-06 22:56:06,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:56:06,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558226541] [2023-11-06 22:56:06,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:56:06,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:56:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:56:06,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:56:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:56:06,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:56:06,381 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:56:06,381 INFO L85 PathProgramCache]: Analyzing trace with hash 445446876, now seen corresponding path program 1 times [2023-11-06 22:56:06,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:56:06,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708932326] [2023-11-06 22:56:06,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:56:06,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:56:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:56:06,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:56:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:56:06,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:56:06,430 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:56:06,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1807358854, now seen corresponding path program 1 times [2023-11-06 22:56:06,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:56:06,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254989448] [2023-11-06 22:56:06,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:56:06,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:56:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:06,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:56:06,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:56:06,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254989448] [2023-11-06 22:56:06,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254989448] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:56:06,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:56:06,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:56:06,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478928296] [2023-11-06 22:56:06,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:56:10,211 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:56:10,212 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:56:10,212 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:56:10,212 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:56:10,212 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:56:10,212 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:56:10,213 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:56:10,213 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:56:10,213 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2023-11-06 22:56:10,213 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:56:10,213 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:56:10,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,863 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,865 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,868 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,890 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,916 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,932 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:10,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:12,080 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-11-06 22:56:12,303 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 10780 conjunctions. This might take some time... [2023-11-06 22:56:14,300 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 600 conjunctions. [2023-11-06 22:56:47,749 WARN L293 SmtUtils]: Spent 33.37s on a formula simplification. DAG size of input: 715 DAG size of output: 151 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2023-11-06 22:56:47,956 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:56:47,956 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:56:47,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:56:47,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:56:47,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:56:47,984 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:56:47,984 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:56:47,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:56:48,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-06 22:56:48,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:56:48,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:56:48,041 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:56:48,059 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:56:48,059 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:56:48,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:56:48,254 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:56:48,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:56:48,265 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:56:48,265 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:56:48,265 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:56:48,265 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:56:48,266 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:56:48,266 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:56:48,266 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:56:48,266 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:56:48,266 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2023-11-06 22:56:48,266 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:56:48,266 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:56:48,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,898 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,915 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,936 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,939 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,945 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,956 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:48,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:56:49,982 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-11-06 22:56:50,159 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 8190 conjunctions. This might take some time... [2023-11-06 22:56:52,099 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 600 conjunctions. [2023-11-06 22:57:23,567 WARN L293 SmtUtils]: Spent 31.40s on a formula simplification. DAG size of input: 715 DAG size of output: 151 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2023-11-06 22:57:23,705 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:57:23,709 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:57:23,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:57:23,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:57:23,712 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:57:23,721 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 [2023-11-06 22:57:23,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:57:23,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:57:23,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:57:23,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:57:23,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:57:23,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:57:23,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:57:23,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:57:23,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:57:23,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-06 22:57:23,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:57:23,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:57:23,747 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:57:23,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:57:23,760 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 [2023-11-06 22:57:23,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:57:23,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:57:23,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:57:23,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:57:23,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:57:23,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:57:23,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:57:23,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:57:23,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:57:23,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:57:23,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:57:23,793 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:57:23,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 22:57:23,815 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 [2023-11-06 22:57:23,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:57:23,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:57:23,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:57:23,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:57:23,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:57:23,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:57:23,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:57:23,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:57:23,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:57:23,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:57:23,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:57:23,852 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:57:23,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:57:23,859 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 [2023-11-06 22:57:23,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:57:23,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:57:23,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:57:23,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:57:23,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:57:23,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:57:23,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:57:23,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:57:23,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:57:23,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:57:23,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:57:23,895 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:57:23,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:57:23,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:57:23,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:57:23,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:57:23,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:57:23,921 INFO L204 nArgumentSynthesizer]: 36 loop disjuncts [2023-11-06 22:57:23,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:57:24,211 INFO L401 nArgumentSynthesizer]: We have 72 Motzkin's Theorem applications. [2023-11-06 22:57:24,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:57:24,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:57:24,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:57:24,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:57:24,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:57:24,495 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:57:24,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:57:24,498 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 [2023-11-06 22:57:24,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:57:24,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:57:24,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:57:24,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:57:24,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:57:24,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:57:24,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:57:24,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:57:24,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:57:24,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:57:24,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:57:24,516 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:57:24,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 22:57:24,518 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 [2023-11-06 22:57:24,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:57:24,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:57:24,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:57:24,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:57:24,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:57:24,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:57:24,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:57:24,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:57:24,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:57:24,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:57:24,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:57:24,536 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:57:24,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:57:24,539 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 [2023-11-06 22:57:24,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:57:24,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:57:24,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:57:24,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:57:24,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:57:24,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:57:24,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:57:24,552 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:57:24,557 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-06 22:57:24,557 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 22:57:24,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:57:24,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:57:24,591 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:57:24,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 22:57:24,594 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:57:24,594 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:57:24,594 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:57:24,595 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 19 Supporting invariants [] [2023-11-06 22:57:24,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:57:24,599 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:57:24,620 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:24,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:57:24,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:57:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:24,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:57:24,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:57:24,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:57:24,911 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 [2023-11-06 22:57:24,913 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 132 transitions. cyclomatic complexity: 37 Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:57:24,986 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 96 states and 132 transitions. cyclomatic complexity: 37. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 154 states and 227 transitions. Complement of second has 4 states. [2023-11-06 22:57:24,987 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 [2023-11-06 22:57:24,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:57:24,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 132 transitions. [2023-11-06 22:57:24,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 132 transitions. Stem has 38 letters. Loop has 27 letters. [2023-11-06 22:57:24,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:57:24,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 132 transitions. Stem has 65 letters. Loop has 27 letters. [2023-11-06 22:57:24,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:57:24,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 132 transitions. Stem has 38 letters. Loop has 54 letters. [2023-11-06 22:57:25,000 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:57:25,000 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 227 transitions. [2023-11-06 22:57:25,004 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:57:25,005 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 0 states and 0 transitions. [2023-11-06 22:57:25,005 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 22:57:25,005 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 22:57:25,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 22:57:25,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:57:25,005 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:57:25,005 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:57:25,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:57:25,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:57:25,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:57:25,006 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:57:25,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:57:25,006 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2023-11-06 22:57:25,007 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2023-11-06 22:57:25,007 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:57:25,007 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:57:25,007 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 22:57:25,007 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 22:57:25,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 22:57:25,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:57:25,007 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:57:25,007 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:57:25,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:57:25,010 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:57:25,010 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 22:57:25,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:57:25,011 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:57:25,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 22:57:25,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:57:25 BoogieIcfgContainer [2023-11-06 22:57:25,018 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:57:25,018 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:57:25,018 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:57:25,019 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:57:25,019 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:56:04" (3/4) ... [2023-11-06 22:57:25,021 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:57:25,022 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:57:25,028 INFO L158 Benchmark]: Toolchain (without parser) took 81843.73ms. Allocated memory was 176.2MB in the beginning and 325.1MB in the end (delta: 148.9MB). Free memory was 147.1MB in the beginning and 174.6MB in the end (delta: -27.5MB). Peak memory consumption was 119.4MB. Max. memory is 16.1GB. [2023-11-06 22:57:25,030 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 117.4MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:57:25,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.03ms. Allocated memory is still 176.2MB. Free memory was 146.0MB in the beginning and 130.4MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:57:25,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.77ms. Allocated memory is still 176.2MB. Free memory was 130.4MB in the beginning and 127.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:57:25,032 INFO L158 Benchmark]: Boogie Preprocessor took 42.75ms. Allocated memory is still 176.2MB. Free memory was 127.3MB in the beginning and 125.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:57:25,033 INFO L158 Benchmark]: RCFGBuilder took 798.76ms. Allocated memory is still 176.2MB. Free memory was 125.2MB in the beginning and 126.7MB in the end (delta: -1.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:57:25,038 INFO L158 Benchmark]: BuchiAutomizer took 80510.51ms. Allocated memory was 176.2MB in the beginning and 325.1MB in the end (delta: 148.9MB). Free memory was 125.7MB in the beginning and 174.6MB in the end (delta: -48.9MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. [2023-11-06 22:57:25,039 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 325.1MB. Free memory is still 174.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:57:25,042 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 117.4MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.03ms. Allocated memory is still 176.2MB. Free memory was 146.0MB in the beginning and 130.4MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.77ms. Allocated memory is still 176.2MB. Free memory was 130.4MB in the beginning and 127.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.75ms. Allocated memory is still 176.2MB. Free memory was 127.3MB in the beginning and 125.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 798.76ms. Allocated memory is still 176.2MB. Free memory was 125.2MB in the beginning and 126.7MB in the end (delta: -1.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 80510.51ms. Allocated memory was 176.2MB in the beginning and 325.1MB in the end (delta: 148.9MB). Free memory was 125.7MB in the beginning and 174.6MB in the end (delta: -48.9MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 325.1MB. Free memory is still 174.6MB. 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 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (19 + (-2 * i2)) and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 80.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 79.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 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, 134 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 1381 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 950 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 431 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital394 mio100 ax100 hnf100 lsp343 ukn19 mio100 lsp100 div133 bol100 ite100 ukn100 eq170 hnf96 smp77 dnf24704 smp5 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 591ms VariablesStem: 0 VariablesLoop: 29 DisjunctsStem: 1 DisjunctsLoop: 36 SupportingInvariants: 0 MotzkinApplications: 72 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-06 22:57:25,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:57:25,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2faab3-1691-4e23-a629-b71a62e9b686/bin/uautomizer-verify-WvqO1wxjHP/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