./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813cfce0-29ff-4c19-aeaf-e3b44f21cc77/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813cfce0-29ff-4c19-aeaf-e3b44f21cc77/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813cfce0-29ff-4c19-aeaf-e3b44f21cc77/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813cfce0-29ff-4c19-aeaf-e3b44f21cc77/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813cfce0-29ff-4c19-aeaf-e3b44f21cc77/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813cfce0-29ff-4c19-aeaf-e3b44f21cc77/bin/uautomizer-ug76WZFUDN --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 5cbdd74a230613e4bdaea53735767d2cb8a557f2fb27b4c6d6d20587e28e4a0f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:18:16,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:18:16,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:18:16,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:18:16,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:18:16,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:18:16,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:18:16,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:18:16,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:18:16,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:18:16,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:18:16,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:18:16,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:18:16,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:18:16,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:18:16,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:18:16,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:18:16,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:18:16,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:18:16,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:18:16,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:18:16,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:18:16,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:18:16,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:18:16,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:18:16,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:18:16,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:18:16,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:18:16,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:18:16,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:18:16,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:18:16,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:18:16,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:18:16,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:18:16,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:18:16,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:18:16,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:18:16,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:18:16,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:18:16,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:18:16,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:18:16,419 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813cfce0-29ff-4c19-aeaf-e3b44f21cc77/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 12:18:16,446 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:18:16,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:18:16,447 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:18:16,447 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:18:16,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:18:16,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:18:16,449 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:18:16,449 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 12:18:16,450 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 12:18:16,450 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 12:18:16,450 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 12:18:16,450 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 12:18:16,451 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 12:18:16,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:18:16,451 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:18:16,452 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:18:16,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:18:16,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:18:16,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:18:16,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 12:18:16,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 12:18:16,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 12:18:16,453 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:18:16,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:18:16,454 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 12:18:16,454 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:18:16,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 12:18:16,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:18:16,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:18:16,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:18:16,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:18:16,457 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 12:18:16,457 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813cfce0-29ff-4c19-aeaf-e3b44f21cc77/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813cfce0-29ff-4c19-aeaf-e3b44f21cc77/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cbdd74a230613e4bdaea53735767d2cb8a557f2fb27b4c6d6d20587e28e4a0f [2022-11-20 12:18:16,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:18:16,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:18:16,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:18:16,790 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:18:16,791 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:18:16,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813cfce0-29ff-4c19-aeaf-e3b44f21cc77/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c [2022-11-20 12:18:20,352 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:18:20,649 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:18:20,649 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813cfce0-29ff-4c19-aeaf-e3b44f21cc77/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c [2022-11-20 12:18:20,668 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813cfce0-29ff-4c19-aeaf-e3b44f21cc77/bin/uautomizer-ug76WZFUDN/data/22ca224bf/cff75f1a633a4bf181fdda6eed4d11d3/FLAGdf45062d6 [2022-11-20 12:18:20,685 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813cfce0-29ff-4c19-aeaf-e3b44f21cc77/bin/uautomizer-ug76WZFUDN/data/22ca224bf/cff75f1a633a4bf181fdda6eed4d11d3 [2022-11-20 12:18:20,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:18:20,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:18:20,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:18:20,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:18:20,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:18:20,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:18:20" (1/1) ... [2022-11-20 12:18:20,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@229da395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:20, skipping insertion in model container [2022-11-20 12:18:20,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:18:20" (1/1) ... [2022-11-20 12:18:20,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:18:20,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:18:21,039 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813cfce0-29ff-4c19-aeaf-e3b44f21cc77/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c[16977,16990] [2022-11-20 12:18:21,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:18:21,057 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:18:21,167 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813cfce0-29ff-4c19-aeaf-e3b44f21cc77/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c[16977,16990] [2022-11-20 12:18:21,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:18:21,209 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:18:21,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:21 WrapperNode [2022-11-20 12:18:21,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:18:21,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:18:21,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:18:21,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:18:21,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:21" (1/1) ... [2022-11-20 12:18:21,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:21" (1/1) ... [2022-11-20 12:18:21,278 INFO L138 Inliner]: procedures = 25, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 393 [2022-11-20 12:18:21,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:18:21,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:18:21,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:18:21,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:18:21,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:21" (1/1) ... [2022-11-20 12:18:21,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:21" (1/1) ... [2022-11-20 12:18:21,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:21" (1/1) ... [2022-11-20 12:18:21,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:21" (1/1) ... [2022-11-20 12:18:21,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:21" (1/1) ... [2022-11-20 12:18:21,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:21" (1/1) ... [2022-11-20 12:18:21,320 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:21" (1/1) ... [2022-11-20 12:18:21,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:21" (1/1) ... [2022-11-20 12:18:21,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:18:21,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:18:21,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:18:21,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:18:21,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:21" (1/1) ... [2022-11-20 12:18:21,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:18:21,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813cfce0-29ff-4c19-aeaf-e3b44f21cc77/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:18:21,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813cfce0-29ff-4c19-aeaf-e3b44f21cc77/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:18:21,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813cfce0-29ff-4c19-aeaf-e3b44f21cc77/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 12:18:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:18:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:18:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:18:21,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:18:21,699 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:18:21,702 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:18:22,444 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:18:22,454 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:18:22,454 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:18:22,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:18:22 BoogieIcfgContainer [2022-11-20 12:18:22,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:18:22,458 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 12:18:22,458 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 12:18:22,463 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 12:18:22,464 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:18:22,464 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:18:20" (1/3) ... [2022-11-20 12:18:22,465 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a7f7173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:18:22, skipping insertion in model container [2022-11-20 12:18:22,466 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:18:22,466 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:21" (2/3) ... [2022-11-20 12:18:22,466 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a7f7173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:18:22, skipping insertion in model container [2022-11-20 12:18:22,467 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:18:22,467 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:18:22" (3/3) ... [2022-11-20 12:18:22,468 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c [2022-11-20 12:18:22,537 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 12:18:22,538 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 12:18:22,538 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 12:18:22,538 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 12:18:22,538 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 12:18:22,538 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 12:18:22,539 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 12:18:22,539 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 12:18:22,546 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 120 states, 119 states have (on average 1.7563025210084033) internal successors, (209), 119 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:18:22,577 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 69 [2022-11-20 12:18:22,577 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:18:22,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:18:22,587 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:22,587 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:22,588 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 12:18:22,589 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 120 states, 119 states have (on average 1.7563025210084033) internal successors, (209), 119 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:18:22,596 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 69 [2022-11-20 12:18:22,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:18:22,597 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:18:22,598 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:22,598 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:22,608 INFO L748 eck$LassoCheckResult]: Stem: 104#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(50, 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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 28#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~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_#t~post37#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~id5~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~send5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~mode5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~alive5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~id6~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~st6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~send6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~mode6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~alive6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 111#L290true assume !(0 == ~r1~0);init_~tmp~0#1 := 0; 101#L290-1true init_#res#1 := init_~tmp~0#1; 3#L455true main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#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; 32#L22true assume 0 == assume_abort_if_not_~cond#1;assume false; 85#L21true 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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 96#L531-2true [2022-11-20 12:18:22,610 INFO L750 eck$LassoCheckResult]: Loop: 96#L531-2true assume !!(main_~i2~0#1 < 12);assume { :begin_inline_node1 } true;havoc node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 102#L84true assume !(0 != ~mode1~0 % 256); 14#L104true assume 0 != ~alive1~0 % 256;~p1_new~0 := (if (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 <= 127 then (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 else (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 - 256); 48#L107-2true ~mode1~0 := 1; 18#L84-2true 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; 19#L121true assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 67#L124true assume !(node2_~m2~0#1 != ~nomsg~0); 27#L124-1true ~mode2~0 := 0; 8#L121-2true 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; 36#L155true assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 12#L158true assume !(node3_~m3~0#1 != ~nomsg~0); 80#L158-1true ~mode3~0 := 0; 86#L155-2true 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; 74#L189true assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 82#L192true assume !(node4_~m4~0#1 != ~nomsg~0); 116#L192-1true ~mode4~0 := 0; 37#L189-2true 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; 49#L223true assume !(0 != ~mode5~0 % 256); 17#L240true 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); 119#L243-2true ~mode5~0 := 1; 42#L223-2true assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 107#L257true assume !(0 != ~mode6~0 % 256); 76#L274true assume 0 != ~alive6~0 % 256;~p6_new~0 := (if (if ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0 then ~send6~0 else ~p6_new~0) % 256 <= 127 then (if ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0 then ~send6~0 else ~p6_new~0) % 256 else (if ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0 then ~send6~0 else ~p6_new~0) % 256 - 256); 110#L277-2true ~mode6~0 := 1; 30#L257-2true assume { :end_inline_node6 } 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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 29#L463true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1#1 := 0; 115#L463-1true check_#res#1 := check_~tmp~1#1; 57#L475true main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#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; 11#L564true assume !(0 == assert_~arg#1 % 256); 34#L559true assume { :end_inline_assert } true;main_#t~post37#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post37#1;havoc main_#t~post37#1; 96#L531-2true [2022-11-20 12:18:22,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:18:22,618 INFO L85 PathProgramCache]: Analyzing trace with hash 2035845626, now seen corresponding path program 1 times [2022-11-20 12:18:22,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:18:22,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146704312] [2022-11-20 12:18:22,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:18:22,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:18:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:22,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:18:22,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:18:22,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146704312] [2022-11-20 12:18:22,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146704312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:18:22,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:18:22,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:18:22,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47669021] [2022-11-20 12:18:22,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:18:22,912 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:18:22,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:18:22,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1075368630, now seen corresponding path program 1 times [2022-11-20 12:18:22,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:18:22,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189598315] [2022-11-20 12:18:22,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:18:22,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:18:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:23,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:18:23,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:18:23,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189598315] [2022-11-20 12:18:23,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189598315] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:18:23,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:18:23,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:18:23,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824900118] [2022-11-20 12:18:23,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:18:23,561 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 12:18:23,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:18:23,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 12:18:23,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:18:23,624 INFO L87 Difference]: Start difference. First operand has 120 states, 119 states have (on average 1.7563025210084033) internal successors, (209), 119 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2022-11-20 12:18:23,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:18:23,671 INFO L93 Difference]: Finished difference Result 120 states and 206 transitions. [2022-11-20 12:18:23,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 120 states and 206 transitions. [2022-11-20 12:18:23,677 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 68 [2022-11-20 12:18:23,694 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 120 states to 115 states and 201 transitions. [2022-11-20 12:18:23,697 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 115 [2022-11-20 12:18:23,703 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 115 [2022-11-20 12:18:23,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 115 states and 201 transitions. [2022-11-20 12:18:23,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:18:23,705 INFO L218 hiAutomatonCegarLoop]: Abstraction has 115 states and 201 transitions. [2022-11-20 12:18:23,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states and 201 transitions. [2022-11-20 12:18:23,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2022-11-20 12:18:23,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 115 states have (on average 1.7478260869565216) internal successors, (201), 114 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:18:23,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 201 transitions. [2022-11-20 12:18:23,766 INFO L240 hiAutomatonCegarLoop]: Abstraction has 115 states and 201 transitions. [2022-11-20 12:18:23,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 12:18:23,781 INFO L428 stractBuchiCegarLoop]: Abstraction has 115 states and 201 transitions. [2022-11-20 12:18:23,782 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 12:18:23,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states and 201 transitions. [2022-11-20 12:18:23,787 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 68 [2022-11-20 12:18:23,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:18:23,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:18:23,794 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:23,795 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:23,798 INFO L748 eck$LassoCheckResult]: Stem: 364#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(50, 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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 302#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~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_#t~post37#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~id5~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~send5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~mode5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~alive5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~id6~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~st6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~send6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~mode6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~alive6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 303#L290 assume !(0 == ~r1~0);init_~tmp~0#1 := 0; 256#L290-1 init_#res#1 := init_~tmp~0#1; 251#L455 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#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; 252#L22 assume !(0 == assume_abort_if_not_~cond#1); 309#L21 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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 312#L531-2 [2022-11-20 12:18:23,798 INFO L750 eck$LassoCheckResult]: Loop: 312#L531-2 assume !!(main_~i2~0#1 < 12);assume { :begin_inline_node1 } true;havoc node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 363#L84 assume !(0 != ~mode1~0 % 256); 275#L104 assume 0 != ~alive1~0 % 256;~p1_new~0 := (if (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 <= 127 then (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 else (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 - 256); 276#L107-2 ~mode1~0 := 1; 285#L84-2 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; 286#L121 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 288#L124 assume !(node2_~m2~0#1 != ~nomsg~0); 301#L124-1 ~mode2~0 := 0; 262#L121-2 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; 263#L155 assume !(0 != ~mode3~0 % 256); 315#L172 assume 0 != ~alive3~0 % 256;~p3_new~0 := (if (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 <= 127 then (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 else (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 - 256); 254#L175-2 ~mode3~0 := 1; 341#L155-2 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; 353#L189 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 354#L192 assume !(node4_~m4~0#1 != ~nomsg~0); 323#L192-1 ~mode4~0 := 0; 316#L189-2 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; 317#L223 assume !(0 != ~mode5~0 % 256); 282#L240 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); 283#L243-2 ~mode5~0 := 1; 308#L223-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 321#L257 assume !(0 != ~mode6~0 % 256); 355#L274 assume 0 != ~alive6~0 % 256;~p6_new~0 := (if (if ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0 then ~send6~0 else ~p6_new~0) % 256 <= 127 then (if ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0 then ~send6~0 else ~p6_new~0) % 256 else (if ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0 then ~send6~0 else ~p6_new~0) % 256 - 256); 356#L277-2 ~mode6~0 := 1; 307#L257-2 assume { :end_inline_node6 } 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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 304#L463 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1#1 := 0; 305#L463-1 check_#res#1 := check_~tmp~1#1; 339#L475 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#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; 269#L564 assume !(0 == assert_~arg#1 % 256); 270#L559 assume { :end_inline_assert } true;main_#t~post37#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post37#1;havoc main_#t~post37#1; 312#L531-2 [2022-11-20 12:18:23,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:18:23,801 INFO L85 PathProgramCache]: Analyzing trace with hash 2035845688, now seen corresponding path program 1 times [2022-11-20 12:18:23,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:18:23,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920385986] [2022-11-20 12:18:23,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:18:23,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:18:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:23,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:18:23,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:18:23,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920385986] [2022-11-20 12:18:23,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920385986] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:18:23,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:18:23,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:18:23,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557690182] [2022-11-20 12:18:23,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:18:23,888 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:18:23,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:18:23,889 INFO L85 PathProgramCache]: Analyzing trace with hash 476051191, now seen corresponding path program 1 times [2022-11-20 12:18:23,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:18:23,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826299995] [2022-11-20 12:18:23,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:18:23,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:18:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:24,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:18:24,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:18:24,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826299995] [2022-11-20 12:18:24,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826299995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:18:24,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:18:24,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:18:24,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092883881] [2022-11-20 12:18:24,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:18:24,162 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 12:18:24,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:18:24,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:18:24,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:18:24,165 INFO L87 Difference]: Start difference. First operand 115 states and 201 transitions. cyclomatic complexity: 87 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) [2022-11-20 12:18:24,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:18:24,313 INFO L93 Difference]: Finished difference Result 118 states and 203 transitions. [2022-11-20 12:18:24,314 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 203 transitions. [2022-11-20 12:18:24,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 68 [2022-11-20 12:18:24,325 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 115 states and 160 transitions. [2022-11-20 12:18:24,325 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 115 [2022-11-20 12:18:24,326 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 115 [2022-11-20 12:18:24,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 115 states and 160 transitions. [2022-11-20 12:18:24,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:18:24,327 INFO L218 hiAutomatonCegarLoop]: Abstraction has 115 states and 160 transitions. [2022-11-20 12:18:24,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states and 160 transitions. [2022-11-20 12:18:24,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2022-11-20 12:18:24,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 115 states have (on average 1.391304347826087) internal successors, (160), 114 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:18:24,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 160 transitions. [2022-11-20 12:18:24,333 INFO L240 hiAutomatonCegarLoop]: Abstraction has 115 states and 160 transitions. [2022-11-20 12:18:24,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:18:24,337 INFO L428 stractBuchiCegarLoop]: Abstraction has 115 states and 160 transitions. [2022-11-20 12:18:24,337 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 12:18:24,337 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states and 160 transitions. [2022-11-20 12:18:24,341 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 68 [2022-11-20 12:18:24,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:18:24,341 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:18:24,347 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:24,347 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:24,356 INFO L748 eck$LassoCheckResult]: Stem: 612#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(50, 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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 549#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~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_#t~post37#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~id5~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~send5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~mode5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~alive5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~id6~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~st6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~send6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~mode6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~alive6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 550#L290 assume 0 == ~r1~0; 593#L291 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 594#L292 assume ~id1~0 >= 0; 606#L293 assume 0 == ~st1~0; 610#L294 assume ~send1~0 == ~id1~0; 507#L295 assume 0 == ~mode1~0 % 256; 508#L296 assume ~id2~0 >= 0; 539#L297 assume 0 == ~st2~0; 537#L298 assume ~send2~0 == ~id2~0; 538#L299 assume 0 == ~mode2~0 % 256; 547#L300 assume ~id3~0 >= 0; 582#L301 assume 0 == ~st3~0; 598#L302 assume ~send3~0 == ~id3~0; 599#L303 assume 0 == ~mode3~0 % 256; 608#L304 assume ~id4~0 >= 0; 576#L305 assume 0 == ~st4~0; 577#L306 assume ~send4~0 == ~id4~0; 592#L307 assume 0 == ~mode4~0 % 256; 511#L308 assume ~id5~0 >= 0; 512#L309 assume 0 == ~st5~0; 588#L310 assume ~send5~0 == ~id5~0; 565#L311 assume 0 == ~mode5~0 % 256; 566#L312 assume ~id6~0 >= 0; 527#L313 assume 0 == ~st6~0; 528#L314 assume ~send6~0 == ~id6~0; 557#L315 assume 0 == ~mode6~0 % 256; 558#L316 assume ~id1~0 != ~id2~0; 505#L317 assume ~id1~0 != ~id3~0; 506#L318 assume ~id1~0 != ~id4~0; 613#L319 assume ~id1~0 != ~id5~0; 597#L320 assume ~id1~0 != ~id6~0; 578#L321 assume ~id2~0 != ~id3~0; 579#L322 assume ~id2~0 != ~id4~0; 499#L323 assume ~id2~0 != ~id5~0; 500#L324 assume ~id2~0 != ~id6~0; 521#L325 assume ~id3~0 != ~id4~0; 536#L326 assume ~id3~0 != ~id5~0; 525#L327 assume ~id3~0 != ~id6~0; 526#L328 assume ~id4~0 != ~id5~0; 543#L329 assume ~id4~0 != ~id6~0; 544#L330 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 567#L290-1 init_#res#1 := init_~tmp~0#1; 501#L455 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#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; 502#L22 assume !(0 == assume_abort_if_not_~cond#1); 556#L21 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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 559#L531-2 [2022-11-20 12:18:24,356 INFO L750 eck$LassoCheckResult]: Loop: 559#L531-2 assume !!(main_~i2~0#1 < 12);assume { :begin_inline_node1 } true;havoc node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 611#L84 assume !(0 != ~mode1~0 % 256); 522#L104 assume 0 != ~alive1~0 % 256;~p1_new~0 := (if (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 <= 127 then (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 else (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 - 256); 523#L107-2 ~mode1~0 := 1; 532#L84-2 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; 533#L121 assume !(0 != ~mode2~0 % 256); 534#L138 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); 561#L141-2 ~mode2~0 := 1; 509#L121-2 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; 510#L155 assume !(0 != ~mode3~0 % 256); 562#L172 assume 0 != ~alive3~0 % 256;~p3_new~0 := (if (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 <= 127 then (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 else (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 - 256); 504#L175-2 ~mode3~0 := 1; 589#L155-2 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; 601#L189 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 602#L192 assume !(node4_~m4~0#1 != ~nomsg~0); 571#L192-1 ~mode4~0 := 0; 563#L189-2 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; 564#L223 assume !(0 != ~mode5~0 % 256); 529#L240 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); 530#L243-2 ~mode5~0 := 1; 555#L223-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 569#L257 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 580#L260 assume !(node6_~m6~0#1 != ~nomsg~0); 574#L260-1 ~mode6~0 := 0; 554#L257-2 assume { :end_inline_node6 } 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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 551#L463 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1#1 := 0; 552#L463-1 check_#res#1 := check_~tmp~1#1; 587#L475 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#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; 516#L564 assume !(0 == assert_~arg#1 % 256); 517#L559 assume { :end_inline_assert } true;main_#t~post37#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post37#1;havoc main_#t~post37#1; 559#L531-2 [2022-11-20 12:18:24,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:18:24,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 1 times [2022-11-20 12:18:24,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:18:24,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314711111] [2022-11-20 12:18:24,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:18:24,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:18:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:18:24,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:18:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:18:24,481 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:18:24,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:18:24,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1319742217, now seen corresponding path program 1 times [2022-11-20 12:18:24,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:18:24,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896164815] [2022-11-20 12:18:24,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:18:24,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:18:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:24,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:18:24,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:18:24,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896164815] [2022-11-20 12:18:24,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896164815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:18:24,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:18:24,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:18:24,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67701275] [2022-11-20 12:18:24,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:18:24,779 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 12:18:24,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:18:24,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:18:24,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:18:24,780 INFO L87 Difference]: Start difference. First operand 115 states and 160 transitions. cyclomatic complexity: 46 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:18:24,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:18:24,847 INFO L93 Difference]: Finished difference Result 118 states and 162 transitions. [2022-11-20 12:18:24,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 162 transitions. [2022-11-20 12:18:24,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 68 [2022-11-20 12:18:24,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 115 states and 158 transitions. [2022-11-20 12:18:24,855 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 115 [2022-11-20 12:18:24,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 115 [2022-11-20 12:18:24,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 115 states and 158 transitions. [2022-11-20 12:18:24,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:18:24,863 INFO L218 hiAutomatonCegarLoop]: Abstraction has 115 states and 158 transitions. [2022-11-20 12:18:24,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states and 158 transitions. [2022-11-20 12:18:24,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2022-11-20 12:18:24,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 115 states have (on average 1.373913043478261) internal successors, (158), 114 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:18:24,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 158 transitions. [2022-11-20 12:18:24,870 INFO L240 hiAutomatonCegarLoop]: Abstraction has 115 states and 158 transitions. [2022-11-20 12:18:24,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:18:24,875 INFO L428 stractBuchiCegarLoop]: Abstraction has 115 states and 158 transitions. [2022-11-20 12:18:24,875 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 12:18:24,875 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states and 158 transitions. [2022-11-20 12:18:24,879 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 68 [2022-11-20 12:18:24,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:18:24,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:18:24,883 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:24,883 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:24,883 INFO L748 eck$LassoCheckResult]: Stem: 857#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(50, 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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 794#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~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_#t~post37#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~id5~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~send5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~mode5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~alive5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~id6~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~st6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~send6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~mode6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~alive6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 795#L290 assume 0 == ~r1~0; 837#L291 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 838#L292 assume ~id1~0 >= 0; 850#L293 assume 0 == ~st1~0; 855#L294 assume ~send1~0 == ~id1~0; 752#L295 assume 0 == ~mode1~0 % 256; 753#L296 assume ~id2~0 >= 0; 784#L297 assume 0 == ~st2~0; 782#L298 assume ~send2~0 == ~id2~0; 783#L299 assume 0 == ~mode2~0 % 256; 792#L300 assume ~id3~0 >= 0; 826#L301 assume 0 == ~st3~0; 842#L302 assume ~send3~0 == ~id3~0; 843#L303 assume 0 == ~mode3~0 % 256; 852#L304 assume ~id4~0 >= 0; 820#L305 assume 0 == ~st4~0; 821#L306 assume ~send4~0 == ~id4~0; 836#L307 assume 0 == ~mode4~0 % 256; 756#L308 assume ~id5~0 >= 0; 757#L309 assume 0 == ~st5~0; 832#L310 assume ~send5~0 == ~id5~0; 809#L311 assume 0 == ~mode5~0 % 256; 810#L312 assume ~id6~0 >= 0; 772#L313 assume 0 == ~st6~0; 773#L314 assume ~send6~0 == ~id6~0; 801#L315 assume 0 == ~mode6~0 % 256; 802#L316 assume ~id1~0 != ~id2~0; 750#L317 assume ~id1~0 != ~id3~0; 751#L318 assume ~id1~0 != ~id4~0; 858#L319 assume ~id1~0 != ~id5~0; 841#L320 assume ~id1~0 != ~id6~0; 822#L321 assume ~id2~0 != ~id3~0; 823#L322 assume ~id2~0 != ~id4~0; 744#L323 assume ~id2~0 != ~id5~0; 745#L324 assume ~id2~0 != ~id6~0; 766#L325 assume ~id3~0 != ~id4~0; 781#L326 assume ~id3~0 != ~id5~0; 770#L327 assume ~id3~0 != ~id6~0; 771#L328 assume ~id4~0 != ~id5~0; 788#L329 assume ~id4~0 != ~id6~0; 789#L330 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 811#L290-1 init_#res#1 := init_~tmp~0#1; 746#L455 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#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; 747#L22 assume !(0 == assume_abort_if_not_~cond#1); 800#L21 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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 803#L531-2 [2022-11-20 12:18:24,884 INFO L750 eck$LassoCheckResult]: Loop: 803#L531-2 assume !!(main_~i2~0#1 < 12);assume { :begin_inline_node1 } true;havoc node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 856#L84 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 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 851#L88 assume !(node1_~m1~0#1 != ~nomsg~0); 791#L88-1 ~mode1~0 := 0; 777#L84-2 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; 778#L121 assume !(0 != ~mode2~0 % 256); 779#L138 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); 805#L141-2 ~mode2~0 := 1; 754#L121-2 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; 755#L155 assume !(0 != ~mode3~0 % 256); 806#L172 assume 0 != ~alive3~0 % 256;~p3_new~0 := (if (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 <= 127 then (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 else (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 - 256); 749#L175-2 ~mode3~0 := 1; 833#L155-2 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; 845#L189 assume !(0 != ~mode4~0 % 256); 785#L206 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); 787#L209-2 ~mode4~0 := 1; 807#L189-2 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; 808#L223 assume !(0 != ~mode5~0 % 256); 774#L240 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); 775#L243-2 ~mode5~0 := 1; 799#L223-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 813#L257 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 824#L260 assume !(node6_~m6~0#1 != ~nomsg~0); 818#L260-1 ~mode6~0 := 0; 798#L257-2 assume { :end_inline_node6 } 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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 796#L463 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 797#L464 assume ~r1~0 < 6;check_~tmp~1#1 := 1; 853#L463-1 check_#res#1 := check_~tmp~1#1; 831#L475 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#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; 761#L564 assume !(0 == assert_~arg#1 % 256); 762#L559 assume { :end_inline_assert } true;main_#t~post37#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post37#1;havoc main_#t~post37#1; 803#L531-2 [2022-11-20 12:18:24,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:18:24,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 2 times [2022-11-20 12:18:24,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:18:24,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626817756] [2022-11-20 12:18:24,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:18:24,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:18:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:18:24,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:18:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:18:24,979 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:18:24,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:18:24,980 INFO L85 PathProgramCache]: Analyzing trace with hash -2048637641, now seen corresponding path program 1 times [2022-11-20 12:18:24,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:18:24,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945474537] [2022-11-20 12:18:24,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:18:24,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:18:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:18:25,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:18:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:18:25,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:18:25,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:18:25,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1173606762, now seen corresponding path program 1 times [2022-11-20 12:18:25,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:18:25,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005967349] [2022-11-20 12:18:25,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:18:25,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:18:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:25,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:18:25,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:18:25,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005967349] [2022-11-20 12:18:25,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005967349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:18:25,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:18:25,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:18:25,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704015935] [2022-11-20 12:18:25,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:18:29,312 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:18:29,313 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:18:29,313 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:18:29,313 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:18:29,314 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 12:18:29,314 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:18:29,314 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:18:29,314 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:18:29,315 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2022-11-20 12:18:29,315 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:18:29,315 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:18:29,360 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:18:29,375 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:18:29,382 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:18:29,386 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:18:29,394 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:18:29,403 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:18:29,409 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:18:29,417 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:18:30,918 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:18:30,948 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:18:30,955 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:18:30,959 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:18:30,961 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:18:30,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:18:30,975 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:18:30,980 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:18:30,985 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:18:30,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:18:33,737 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 26