./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/toy2.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 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_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy2.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a --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 a77d6f304c19846fdc8cd5bba9216d69953659ded966cffbf7faa285e2d864a4 --- 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-b5237d8 [2022-11-21 09:13:02,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:13:02,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:13:02,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:13:02,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:13:02,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:13:02,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:13:02,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:13:02,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:13:02,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:13:02,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:13:02,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:13:02,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:13:02,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:13:02,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:13:02,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:13:02,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:13:02,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:13:02,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:13:02,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:13:02,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:13:02,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:13:02,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:13:02,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:13:02,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:13:02,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:13:02,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:13:02,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:13:02,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:13:02,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:13:02,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:13:02,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:13:02,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:13:02,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:13:02,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:13:02,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:13:02,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:13:02,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:13:02,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:13:02,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:13:02,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:13:02,536 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-21 09:13:02,569 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:13:02,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:13:02,570 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:13:02,570 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:13:02,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:13:02,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:13:02,572 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:13:02,572 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 09:13:02,572 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 09:13:02,572 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 09:13:02,573 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 09:13:02,574 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 09:13:02,574 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 09:13:02,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:13:02,574 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 09:13:02,575 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 09:13:02,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:13:02,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 09:13:02,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:13:02,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 09:13:02,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 09:13:02,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 09:13:02,576 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 09:13:02,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:13:02,576 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 09:13:02,576 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:13:02,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 09:13:02,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:13:02,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:13:02,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:13:02,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:13:02,579 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 09:13:02,580 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_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a77d6f304c19846fdc8cd5bba9216d69953659ded966cffbf7faa285e2d864a4 [2022-11-21 09:13:02,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:13:02,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:13:02,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:13:02,877 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:13:02,877 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:13:02,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/systemc/toy2.cil.c [2022-11-21 09:13:06,146 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:13:06,433 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:13:06,434 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/sv-benchmarks/c/systemc/toy2.cil.c [2022-11-21 09:13:06,459 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/data/7d940780d/236b91bf140a4245aac52439c0dabe53/FLAGe40d8fed5 [2022-11-21 09:13:06,477 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/data/7d940780d/236b91bf140a4245aac52439c0dabe53 [2022-11-21 09:13:06,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:13:06,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:13:06,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:13:06,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:13:06,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:13:06,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:13:06" (1/1) ... [2022-11-21 09:13:06,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de80d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:06, skipping insertion in model container [2022-11-21 09:13:06,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:13:06" (1/1) ... [2022-11-21 09:13:06,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:13:06,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:13:06,700 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_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/sv-benchmarks/c/systemc/toy2.cil.c[698,711] [2022-11-21 09:13:06,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:13:06,811 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:13:06,826 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_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/sv-benchmarks/c/systemc/toy2.cil.c[698,711] [2022-11-21 09:13:06,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:13:06,909 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:13:06,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:06 WrapperNode [2022-11-21 09:13:06,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:13:06,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:13:06,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:13:06,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:13:06,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:06" (1/1) ... [2022-11-21 09:13:06,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:06" (1/1) ... [2022-11-21 09:13:06,968 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 356 [2022-11-21 09:13:06,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:13:06,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:13:06,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:13:06,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:13:06,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:06" (1/1) ... [2022-11-21 09:13:06,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:06" (1/1) ... [2022-11-21 09:13:06,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:06" (1/1) ... [2022-11-21 09:13:06,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:06" (1/1) ... [2022-11-21 09:13:06,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:06" (1/1) ... [2022-11-21 09:13:06,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:06" (1/1) ... [2022-11-21 09:13:06,997 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:06" (1/1) ... [2022-11-21 09:13:06,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:06" (1/1) ... [2022-11-21 09:13:07,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:13:07,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:13:07,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:13:07,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:13:07,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:06" (1/1) ... [2022-11-21 09:13:07,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:07,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:07,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:07,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 09:13:07,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:13:07,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 09:13:07,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:13:07,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:13:07,169 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:13:07,171 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:13:07,695 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:13:07,703 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:13:07,703 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-21 09:13:07,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:13:07 BoogieIcfgContainer [2022-11-21 09:13:07,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:13:07,707 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 09:13:07,707 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 09:13:07,710 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 09:13:07,711 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 09:13:07,712 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 09:13:06" (1/3) ... [2022-11-21 09:13:07,713 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@659a6729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 09:13:07, skipping insertion in model container [2022-11-21 09:13:07,713 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 09:13:07,713 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:06" (2/3) ... [2022-11-21 09:13:07,713 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@659a6729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 09:13:07, skipping insertion in model container [2022-11-21 09:13:07,714 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 09:13:07,714 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:13:07" (3/3) ... [2022-11-21 09:13:07,715 INFO L332 chiAutomizerObserver]: Analyzing ICFG toy2.cil.c [2022-11-21 09:13:07,768 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 09:13:07,768 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 09:13:07,768 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 09:13:07,768 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 09:13:07,768 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 09:13:07,769 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 09:13:07,769 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 09:13:07,769 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 09:13:07,773 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 130 states, 129 states have (on average 1.8294573643410852) internal successors, (236), 129 states have internal predecessors, (236), 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) [2022-11-21 09:13:07,796 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-21 09:13:07,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:13:07,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:13:07,803 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] [2022-11-21 09:13:07,804 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] [2022-11-21 09:13:07,804 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 09:13:07,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 130 states, 129 states have (on average 1.8294573643410852) internal successors, (236), 129 states have internal predecessors, (236), 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) [2022-11-21 09:13:07,812 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-21 09:13:07,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:13:07,812 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:13:07,814 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] [2022-11-21 09:13:07,814 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] [2022-11-21 09:13:07,822 INFO L748 eck$LassoCheckResult]: Stem: 118#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 46#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 113#L404true assume !(1 == ~c_req_up~0); 66#L404-2true assume !(1 == ~wl_i~0);~wl_st~0 := 2; 25#L415-1true assume !(1 == ~c1_i~0);~c1_st~0 := 2; 55#L420-1true assume 1 == ~c2_i~0;~c2_st~0 := 0; 89#L425-1true assume !(1 == ~wb_i~0);~wb_st~0 := 2; 43#L430-1true assume !(1 == ~r_i~0);~r_st~0 := 2; 125#L435-1true assume !(0 == ~e_f~0); 31#L440-1true assume !(0 == ~e_g~0); 48#L445-1true assume !(0 == ~e_e~0); 51#L450-1true assume !(0 == ~e_c~0); 24#L455-1true assume !(0 == ~e_wl~0); 81#L460-1true assume !(1 == ~wl_pc~0); 38#L472true assume !(2 == ~wl_pc~0); 122#L473true assume !(1 == ~c1_pc~0); 103#L483true assume !(1 == ~c2_pc~0); 114#L492true assume !(1 == ~wb_pc~0); 57#L501true assume !(1 == ~e_c~0); 36#L510-1true assume !(1 == ~e_e~0); 26#L515-1true assume !(1 == ~e_f~0); 15#L520-1true assume !(1 == ~e_g~0); 49#L525-1true assume !(1 == ~e_c~0); 86#L530-1true assume !(1 == ~e_wl~0); 68#L672-1true [2022-11-21 09:13:07,823 INFO L750 eck$LassoCheckResult]: Loop: 68#L672-1true assume !false; 8#L542true start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 127#L377true assume !true; 23#L393true assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 67#L548true assume !(1 == ~c_req_up~0); 11#L548-2true start_simulation_~kernel_st~0#1 := 3; 28#L560true assume 0 == ~e_f~0;~e_f~0 := 1; 97#L560-2true assume 0 == ~e_g~0;~e_g~0 := 1; 19#L565-1true assume 0 == ~e_e~0;~e_e~0 := 1; 128#L570-1true assume 0 == ~e_c~0;~e_c~0 := 1; 39#L575-1true assume 0 == ~e_wl~0;~e_wl~0 := 1; 123#L580-1true assume 1 == ~wl_pc~0; 101#L586true assume 1 == ~e_wl~0;~wl_st~0 := 0; 84#L593true assume !(1 == ~c1_pc~0); 115#L603true assume !(1 == ~c2_pc~0); 4#L612true assume !(1 == ~wb_pc~0); 65#L621true assume !(1 == ~e_c~0); 63#L630-1true assume 1 == ~e_e~0;~e_e~0 := 2; 130#L635-1true assume 1 == ~e_f~0;~e_f~0 := 2; 129#L640-1true assume 1 == ~e_g~0;~e_g~0 := 2; 111#L645-1true assume 1 == ~e_c~0;~e_c~0 := 2; 13#L650-1true assume 1 == ~e_wl~0;~e_wl~0 := 2; 44#L655-1true assume 0 == ~wl_st~0; 68#L672-1true [2022-11-21 09:13:07,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:07,829 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2022-11-21 09:13:07,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:07,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549032102] [2022-11-21 09:13:07,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:07,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:08,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:08,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:08,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549032102] [2022-11-21 09:13:08,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549032102] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:08,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:08,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:13:08,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523356107] [2022-11-21 09:13:08,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:08,113 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 09:13:08,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:08,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1920133393, now seen corresponding path program 1 times [2022-11-21 09:13:08,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:08,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537303951] [2022-11-21 09:13:08,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:08,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:08,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:08,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:08,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537303951] [2022-11-21 09:13:08,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537303951] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:08,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:08,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:13:08,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757442980] [2022-11-21 09:13:08,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:08,176 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 09:13:08,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:13:08,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 09:13:08,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 09:13:08,228 INFO L87 Difference]: Start difference. First operand has 130 states, 129 states have (on average 1.8294573643410852) internal successors, (236), 129 states have internal predecessors, (236), 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 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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) [2022-11-21 09:13:08,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:13:08,249 INFO L93 Difference]: Finished difference Result 129 states and 222 transitions. [2022-11-21 09:13:08,250 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 129 states and 222 transitions. [2022-11-21 09:13:08,254 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-21 09:13:08,261 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 129 states to 124 states and 217 transitions. [2022-11-21 09:13:08,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2022-11-21 09:13:08,263 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2022-11-21 09:13:08,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 217 transitions. [2022-11-21 09:13:08,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:13:08,265 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 217 transitions. [2022-11-21 09:13:08,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 217 transitions. [2022-11-21 09:13:08,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-21 09:13:08,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.75) internal successors, (217), 123 states have internal predecessors, (217), 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) [2022-11-21 09:13:08,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 217 transitions. [2022-11-21 09:13:08,314 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 217 transitions. [2022-11-21 09:13:08,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 09:13:08,329 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 217 transitions. [2022-11-21 09:13:08,345 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 09:13:08,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 217 transitions. [2022-11-21 09:13:08,360 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-21 09:13:08,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:13:08,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:13:08,362 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] [2022-11-21 09:13:08,362 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] [2022-11-21 09:13:08,362 INFO L748 eck$LassoCheckResult]: Stem: 389#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 346#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 347#L404 assume !(1 == ~c_req_up~0); 367#L404-2 assume !(1 == ~wl_i~0);~wl_st~0 := 2; 314#L415-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 315#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 360#L425-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 343#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 344#L435-1 assume !(0 == ~e_f~0); 323#L440-1 assume !(0 == ~e_g~0); 324#L445-1 assume !(0 == ~e_e~0); 350#L450-1 assume !(0 == ~e_c~0); 312#L455-1 assume !(0 == ~e_wl~0); 313#L460-1 assume !(1 == ~wl_pc~0); 332#L472 assume !(2 == ~wl_pc~0); 333#L473 assume !(1 == ~c1_pc~0); 384#L483 assume !(1 == ~c2_pc~0); 298#L492 assume !(1 == ~wb_pc~0); 349#L501 assume !(1 == ~e_c~0); 330#L510-1 assume !(1 == ~e_e~0); 316#L515-1 assume !(1 == ~e_f~0); 295#L520-1 assume !(1 == ~e_g~0); 296#L525-1 assume !(1 == ~e_c~0); 351#L530-1 assume !(1 == ~e_wl~0); 293#L672-1 [2022-11-21 09:13:08,362 INFO L750 eck$LassoCheckResult]: Loop: 293#L672-1 assume !false; 281#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 269#L377 assume !false; 276#L295 assume !(0 == ~wl_st~0); 278#L299 assume !(0 == ~c1_st~0); 342#L302 assume !(0 == ~c2_st~0); 368#L305 assume !(0 == ~wb_st~0); 288#L308 assume !(0 == ~r_st~0); 289#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 311#L548 assume !(1 == ~c_req_up~0); 286#L548-2 start_simulation_~kernel_st~0#1 := 3; 287#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 319#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 305#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 306#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 338#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 339#L580-1 assume !(1 == ~wl_pc~0); 308#L592 assume !(2 == ~wl_pc~0); 309#L593 assume !(1 == ~c1_pc~0); 359#L603 assume !(1 == ~c2_pc~0); 270#L612 assume !(1 == ~wb_pc~0); 272#L621 assume !(1 == ~e_c~0); 364#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 365#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 391#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 388#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 290#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 291#L655-1 assume 0 == ~wl_st~0; 293#L672-1 [2022-11-21 09:13:08,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:08,363 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2022-11-21 09:13:08,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:08,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910420376] [2022-11-21 09:13:08,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:08,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:08,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:08,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:08,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910420376] [2022-11-21 09:13:08,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910420376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:08,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:08,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:13:08,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865726395] [2022-11-21 09:13:08,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:08,453 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 09:13:08,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:08,454 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 1 times [2022-11-21 09:13:08,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:08,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117781025] [2022-11-21 09:13:08,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:08,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:08,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:08,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:08,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117781025] [2022-11-21 09:13:08,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117781025] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:08,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:08,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:13:08,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242216537] [2022-11-21 09:13:08,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:08,521 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 09:13:08,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:13:08,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:13:08,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:13:08,522 INFO L87 Difference]: Start difference. First operand 124 states and 217 transitions. cyclomatic complexity: 94 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-21 09:13:08,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:13:08,548 INFO L93 Difference]: Finished difference Result 124 states and 216 transitions. [2022-11-21 09:13:08,548 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 216 transitions. [2022-11-21 09:13:08,550 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-21 09:13:08,559 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 216 transitions. [2022-11-21 09:13:08,559 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2022-11-21 09:13:08,561 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2022-11-21 09:13:08,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 216 transitions. [2022-11-21 09:13:08,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:13:08,564 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 216 transitions. [2022-11-21 09:13:08,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 216 transitions. [2022-11-21 09:13:08,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-21 09:13:08,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.7419354838709677) internal successors, (216), 123 states have internal predecessors, (216), 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) [2022-11-21 09:13:08,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 216 transitions. [2022-11-21 09:13:08,574 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 216 transitions. [2022-11-21 09:13:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:13:08,578 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 216 transitions. [2022-11-21 09:13:08,578 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-21 09:13:08,578 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 216 transitions. [2022-11-21 09:13:08,585 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-21 09:13:08,586 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:13:08,586 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:13:08,587 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] [2022-11-21 09:13:08,588 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] [2022-11-21 09:13:08,588 INFO L748 eck$LassoCheckResult]: Stem: 644#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 601#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 602#L404 assume !(1 == ~c_req_up~0); 622#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 569#L415-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 570#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 615#L425-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 598#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 599#L435-1 assume !(0 == ~e_f~0); 578#L440-1 assume !(0 == ~e_g~0); 579#L445-1 assume !(0 == ~e_e~0); 605#L450-1 assume !(0 == ~e_c~0); 567#L455-1 assume !(0 == ~e_wl~0); 568#L460-1 assume !(1 == ~wl_pc~0); 587#L472 assume !(2 == ~wl_pc~0); 588#L473 assume !(1 == ~c1_pc~0); 639#L483 assume !(1 == ~c2_pc~0); 553#L492 assume !(1 == ~wb_pc~0); 604#L501 assume !(1 == ~e_c~0); 585#L510-1 assume !(1 == ~e_e~0); 571#L515-1 assume !(1 == ~e_f~0); 550#L520-1 assume !(1 == ~e_g~0); 551#L525-1 assume !(1 == ~e_c~0); 606#L530-1 assume !(1 == ~e_wl~0); 548#L672-1 [2022-11-21 09:13:08,588 INFO L750 eck$LassoCheckResult]: Loop: 548#L672-1 assume !false; 536#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 524#L377 assume !false; 531#L295 assume !(0 == ~wl_st~0); 533#L299 assume !(0 == ~c1_st~0); 597#L302 assume !(0 == ~c2_st~0); 623#L305 assume !(0 == ~wb_st~0); 543#L308 assume !(0 == ~r_st~0); 544#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 566#L548 assume !(1 == ~c_req_up~0); 541#L548-2 start_simulation_~kernel_st~0#1 := 3; 542#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 574#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 560#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 561#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 593#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 594#L580-1 assume !(1 == ~wl_pc~0); 563#L592 assume !(2 == ~wl_pc~0); 564#L593 assume !(1 == ~c1_pc~0); 614#L603 assume !(1 == ~c2_pc~0); 525#L612 assume !(1 == ~wb_pc~0); 527#L621 assume !(1 == ~e_c~0); 619#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 620#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 646#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 643#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 545#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 546#L655-1 assume 0 == ~wl_st~0; 548#L672-1 [2022-11-21 09:13:08,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:08,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1738779219, now seen corresponding path program 1 times [2022-11-21 09:13:08,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:08,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659550520] [2022-11-21 09:13:08,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:08,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:08,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:08,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:08,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659550520] [2022-11-21 09:13:08,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659550520] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:08,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:08,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:13:08,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562570249] [2022-11-21 09:13:08,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:08,687 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 09:13:08,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:08,688 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 2 times [2022-11-21 09:13:08,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:08,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281638540] [2022-11-21 09:13:08,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:08,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:08,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:08,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:08,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281638540] [2022-11-21 09:13:08,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281638540] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:08,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:08,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:13:08,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283989419] [2022-11-21 09:13:08,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:08,717 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 09:13:08,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:13:08,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:13:08,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:13:08,718 INFO L87 Difference]: Start difference. First operand 124 states and 216 transitions. cyclomatic complexity: 93 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-21 09:13:08,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:13:08,734 INFO L93 Difference]: Finished difference Result 124 states and 215 transitions. [2022-11-21 09:13:08,734 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 215 transitions. [2022-11-21 09:13:08,736 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-21 09:13:08,737 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 215 transitions. [2022-11-21 09:13:08,737 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2022-11-21 09:13:08,737 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2022-11-21 09:13:08,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 215 transitions. [2022-11-21 09:13:08,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:13:08,738 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 215 transitions. [2022-11-21 09:13:08,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 215 transitions. [2022-11-21 09:13:08,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-21 09:13:08,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.7338709677419355) internal successors, (215), 123 states have internal predecessors, (215), 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) [2022-11-21 09:13:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 215 transitions. [2022-11-21 09:13:08,744 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 215 transitions. [2022-11-21 09:13:08,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:13:08,745 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 215 transitions. [2022-11-21 09:13:08,746 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-21 09:13:08,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 215 transitions. [2022-11-21 09:13:08,747 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-21 09:13:08,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:13:08,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:13:08,748 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] [2022-11-21 09:13:08,748 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] [2022-11-21 09:13:08,748 INFO L748 eck$LassoCheckResult]: Stem: 899#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 856#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 857#L404 assume !(1 == ~c_req_up~0); 877#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 824#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 825#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 870#L425-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 853#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 854#L435-1 assume !(0 == ~e_f~0); 833#L440-1 assume !(0 == ~e_g~0); 834#L445-1 assume !(0 == ~e_e~0); 860#L450-1 assume !(0 == ~e_c~0); 822#L455-1 assume !(0 == ~e_wl~0); 823#L460-1 assume !(1 == ~wl_pc~0); 842#L472 assume !(2 == ~wl_pc~0); 843#L473 assume !(1 == ~c1_pc~0); 894#L483 assume !(1 == ~c2_pc~0); 808#L492 assume !(1 == ~wb_pc~0); 859#L501 assume !(1 == ~e_c~0); 840#L510-1 assume !(1 == ~e_e~0); 826#L515-1 assume !(1 == ~e_f~0); 805#L520-1 assume !(1 == ~e_g~0); 806#L525-1 assume !(1 == ~e_c~0); 861#L530-1 assume !(1 == ~e_wl~0); 803#L672-1 [2022-11-21 09:13:08,749 INFO L750 eck$LassoCheckResult]: Loop: 803#L672-1 assume !false; 791#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 779#L377 assume !false; 786#L295 assume !(0 == ~wl_st~0); 788#L299 assume !(0 == ~c1_st~0); 852#L302 assume !(0 == ~c2_st~0); 878#L305 assume !(0 == ~wb_st~0); 798#L308 assume !(0 == ~r_st~0); 799#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 821#L548 assume !(1 == ~c_req_up~0); 796#L548-2 start_simulation_~kernel_st~0#1 := 3; 797#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 829#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 815#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 816#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 848#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 849#L580-1 assume !(1 == ~wl_pc~0); 818#L592 assume !(2 == ~wl_pc~0); 819#L593 assume !(1 == ~c1_pc~0); 869#L603 assume !(1 == ~c2_pc~0); 780#L612 assume !(1 == ~wb_pc~0); 782#L621 assume !(1 == ~e_c~0); 874#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 875#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 901#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 898#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 800#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 801#L655-1 assume 0 == ~wl_st~0; 803#L672-1 [2022-11-21 09:13:08,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:08,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1738539627, now seen corresponding path program 1 times [2022-11-21 09:13:08,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:08,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290262676] [2022-11-21 09:13:08,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:08,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:08,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:08,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:08,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290262676] [2022-11-21 09:13:08,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290262676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:08,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:08,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:13:08,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483168817] [2022-11-21 09:13:08,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:08,806 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 09:13:08,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:08,807 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 3 times [2022-11-21 09:13:08,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:08,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401721393] [2022-11-21 09:13:08,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:08,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:08,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:08,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:08,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401721393] [2022-11-21 09:13:08,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401721393] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:08,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:08,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:13:08,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37925923] [2022-11-21 09:13:08,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:08,840 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 09:13:08,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:13:08,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:13:08,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:13:08,841 INFO L87 Difference]: Start difference. First operand 124 states and 215 transitions. cyclomatic complexity: 92 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-21 09:13:08,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:13:08,853 INFO L93 Difference]: Finished difference Result 124 states and 214 transitions. [2022-11-21 09:13:08,854 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 214 transitions. [2022-11-21 09:13:08,855 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-21 09:13:08,856 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 214 transitions. [2022-11-21 09:13:08,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2022-11-21 09:13:08,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2022-11-21 09:13:08,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 214 transitions. [2022-11-21 09:13:08,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:13:08,858 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 214 transitions. [2022-11-21 09:13:08,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 214 transitions. [2022-11-21 09:13:08,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-21 09:13:08,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.7258064516129032) internal successors, (214), 123 states have internal predecessors, (214), 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) [2022-11-21 09:13:08,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 214 transitions. [2022-11-21 09:13:08,863 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 214 transitions. [2022-11-21 09:13:08,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:13:08,864 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 214 transitions. [2022-11-21 09:13:08,865 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-21 09:13:08,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 214 transitions. [2022-11-21 09:13:08,866 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-11-21 09:13:08,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:13:08,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:13:08,867 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] [2022-11-21 09:13:08,867 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] [2022-11-21 09:13:08,867 INFO L748 eck$LassoCheckResult]: Stem: 1154#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1111#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1112#L404 assume !(1 == ~c_req_up~0); 1132#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1079#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1080#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1125#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1108#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1109#L435-1 assume !(0 == ~e_f~0); 1088#L440-1 assume !(0 == ~e_g~0); 1089#L445-1 assume !(0 == ~e_e~0); 1115#L450-1 assume !(0 == ~e_c~0); 1077#L455-1 assume !(0 == ~e_wl~0); 1078#L460-1 assume !(1 == ~wl_pc~0); 1097#L472 assume !(2 == ~wl_pc~0); 1098#L473 assume !(1 == ~c1_pc~0); 1149#L483 assume !(1 == ~c2_pc~0); 1063#L492 assume !(1 == ~wb_pc~0); 1114#L501 assume !(1 == ~e_c~0); 1095#L510-1 assume !(1 == ~e_e~0); 1081#L515-1 assume !(1 == ~e_f~0); 1060#L520-1 assume !(1 == ~e_g~0); 1061#L525-1 assume !(1 == ~e_c~0); 1116#L530-1 assume !(1 == ~e_wl~0); 1058#L672-1 [2022-11-21 09:13:08,867 INFO L750 eck$LassoCheckResult]: Loop: 1058#L672-1 assume !false; 1046#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 1034#L377 assume !false; 1041#L295 assume !(0 == ~wl_st~0); 1043#L299 assume !(0 == ~c1_st~0); 1107#L302 assume !(0 == ~c2_st~0); 1133#L305 assume !(0 == ~wb_st~0); 1053#L308 assume !(0 == ~r_st~0); 1054#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1076#L548 assume !(1 == ~c_req_up~0); 1051#L548-2 start_simulation_~kernel_st~0#1 := 3; 1052#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 1084#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1070#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1071#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1103#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1104#L580-1 assume !(1 == ~wl_pc~0); 1073#L592 assume !(2 == ~wl_pc~0); 1074#L593 assume !(1 == ~c1_pc~0); 1124#L603 assume !(1 == ~c2_pc~0); 1035#L612 assume !(1 == ~wb_pc~0); 1037#L621 assume !(1 == ~e_c~0); 1129#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1130#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1156#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1153#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1055#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1056#L655-1 assume 0 == ~wl_st~0; 1058#L672-1 [2022-11-21 09:13:08,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:08,868 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 1 times [2022-11-21 09:13:08,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:08,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786082624] [2022-11-21 09:13:08,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:08,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:08,880 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:13:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:08,912 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:13:08,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:08,913 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 4 times [2022-11-21 09:13:08,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:08,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330396308] [2022-11-21 09:13:08,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:08,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:08,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:08,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:08,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330396308] [2022-11-21 09:13:08,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330396308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:08,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:08,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:13:08,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688765825] [2022-11-21 09:13:08,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:08,937 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 09:13:08,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:13:08,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:13:08,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:13:08,938 INFO L87 Difference]: Start difference. First operand 124 states and 214 transitions. cyclomatic complexity: 91 Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:08,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:13:08,989 INFO L93 Difference]: Finished difference Result 156 states and 274 transitions. [2022-11-21 09:13:08,989 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 274 transitions. [2022-11-21 09:13:08,990 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 109 [2022-11-21 09:13:08,991 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 156 states and 274 transitions. [2022-11-21 09:13:08,992 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 156 [2022-11-21 09:13:08,992 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 156 [2022-11-21 09:13:08,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 156 states and 274 transitions. [2022-11-21 09:13:08,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:13:08,993 INFO L218 hiAutomatonCegarLoop]: Abstraction has 156 states and 274 transitions. [2022-11-21 09:13:08,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states and 274 transitions. [2022-11-21 09:13:08,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-11-21 09:13:08,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 156 states have (on average 1.7564102564102564) internal successors, (274), 155 states have internal predecessors, (274), 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) [2022-11-21 09:13:08,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 274 transitions. [2022-11-21 09:13:08,999 INFO L240 hiAutomatonCegarLoop]: Abstraction has 156 states and 274 transitions. [2022-11-21 09:13:09,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:13:09,010 INFO L428 stractBuchiCegarLoop]: Abstraction has 156 states and 274 transitions. [2022-11-21 09:13:09,010 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-21 09:13:09,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 156 states and 274 transitions. [2022-11-21 09:13:09,011 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 109 [2022-11-21 09:13:09,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:13:09,011 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:13:09,012 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] [2022-11-21 09:13:09,012 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] [2022-11-21 09:13:09,013 INFO L748 eck$LassoCheckResult]: Stem: 1441#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1397#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1398#L404 assume !(1 == ~c_req_up~0); 1419#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1365#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1366#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1412#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1394#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1395#L435-1 assume !(0 == ~e_f~0); 1374#L440-1 assume !(0 == ~e_g~0); 1375#L445-1 assume !(0 == ~e_e~0); 1401#L450-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1363#L455-1 assume !(0 == ~e_wl~0); 1364#L460-1 assume !(1 == ~wl_pc~0); 1383#L472 assume !(2 == ~wl_pc~0); 1384#L473 assume !(1 == ~c1_pc~0); 1436#L483 assume !(1 == ~c2_pc~0); 1349#L492 assume !(1 == ~wb_pc~0); 1400#L501 assume 1 == ~e_c~0;~r_st~0 := 0; 1381#L510-1 assume !(1 == ~e_e~0); 1367#L515-1 assume !(1 == ~e_f~0); 1346#L520-1 assume !(1 == ~e_g~0); 1347#L525-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1402#L530-1 assume !(1 == ~e_wl~0); 1344#L672-1 [2022-11-21 09:13:09,013 INFO L750 eck$LassoCheckResult]: Loop: 1344#L672-1 assume !false; 1332#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 1323#L377 assume !false; 1327#L295 assume !(0 == ~wl_st~0); 1329#L299 assume !(0 == ~c1_st~0); 1393#L302 assume !(0 == ~c2_st~0); 1420#L305 assume !(0 == ~wb_st~0); 1339#L308 assume !(0 == ~r_st~0); 1340#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1362#L548 assume !(1 == ~c_req_up~0); 1337#L548-2 start_simulation_~kernel_st~0#1 := 3; 1338#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 1370#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1356#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1357#L570-1 assume !(0 == ~e_c~0); 1443#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1474#L580-1 assume 1 == ~wl_pc~0; 1472#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1469#L593 assume !(1 == ~c1_pc~0); 1468#L603 assume !(1 == ~c2_pc~0); 1466#L612 assume !(1 == ~wb_pc~0); 1464#L621 assume !(1 == ~e_c~0); 1463#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1462#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1444#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1445#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1341#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1342#L655-1 assume 0 == ~wl_st~0; 1344#L672-1 [2022-11-21 09:13:09,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:09,014 INFO L85 PathProgramCache]: Analyzing trace with hash 785152729, now seen corresponding path program 1 times [2022-11-21 09:13:09,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:09,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332798868] [2022-11-21 09:13:09,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:09,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:09,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:09,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:09,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332798868] [2022-11-21 09:13:09,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332798868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:09,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:09,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 09:13:09,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277918881] [2022-11-21 09:13:09,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:09,104 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 09:13:09,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:09,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1473620493, now seen corresponding path program 1 times [2022-11-21 09:13:09,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:09,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653094727] [2022-11-21 09:13:09,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:09,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:09,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:09,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:09,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653094727] [2022-11-21 09:13:09,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653094727] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:09,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:09,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:13:09,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5886907] [2022-11-21 09:13:09,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:09,153 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 09:13:09,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:13:09,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:13:09,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:13:09,159 INFO L87 Difference]: Start difference. First operand 156 states and 274 transitions. cyclomatic complexity: 119 Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2022-11-21 09:13:09,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:13:09,329 INFO L93 Difference]: Finished difference Result 285 states and 492 transitions. [2022-11-21 09:13:09,329 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 285 states and 492 transitions. [2022-11-21 09:13:09,334 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 199 [2022-11-21 09:13:09,336 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 285 states to 285 states and 492 transitions. [2022-11-21 09:13:09,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 285 [2022-11-21 09:13:09,336 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 285 [2022-11-21 09:13:09,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 285 states and 492 transitions. [2022-11-21 09:13:09,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:13:09,343 INFO L218 hiAutomatonCegarLoop]: Abstraction has 285 states and 492 transitions. [2022-11-21 09:13:09,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states and 492 transitions. [2022-11-21 09:13:09,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 273. [2022-11-21 09:13:09,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 273 states have (on average 1.7362637362637363) internal successors, (474), 272 states have internal predecessors, (474), 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) [2022-11-21 09:13:09,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 474 transitions. [2022-11-21 09:13:09,377 INFO L240 hiAutomatonCegarLoop]: Abstraction has 273 states and 474 transitions. [2022-11-21 09:13:09,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 09:13:09,383 INFO L428 stractBuchiCegarLoop]: Abstraction has 273 states and 474 transitions. [2022-11-21 09:13:09,383 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-21 09:13:09,383 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 273 states and 474 transitions. [2022-11-21 09:13:09,385 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 199 [2022-11-21 09:13:09,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:13:09,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:13:09,386 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] [2022-11-21 09:13:09,387 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] [2022-11-21 09:13:09,387 INFO L748 eck$LassoCheckResult]: Stem: 1909#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1851#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1852#L404 assume !(1 == ~c_req_up~0); 1887#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1819#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1820#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1897#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1898#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1912#L435-1 assume !(0 == ~e_f~0); 1826#L440-1 assume !(0 == ~e_g~0); 1827#L445-1 assume !(0 == ~e_e~0); 1858#L450-1 assume !(0 == ~e_c~0); 1859#L455-1 assume !(0 == ~e_wl~0); 2007#L460-1 assume !(1 == ~wl_pc~0); 2005#L472 assume !(2 == ~wl_pc~0); 2003#L473 assume !(1 == ~c1_pc~0); 1903#L483 assume !(1 == ~c2_pc~0); 1800#L492 assume !(1 == ~wb_pc~0); 1850#L501 assume 1 == ~e_c~0;~r_st~0 := 0; 1833#L510-1 assume !(1 == ~e_e~0); 1816#L515-1 assume !(1 == ~e_f~0); 1797#L520-1 assume !(1 == ~e_g~0); 1798#L525-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1855#L530-1 assume !(1 == ~e_wl~0); 1795#L672-1 [2022-11-21 09:13:09,387 INFO L750 eck$LassoCheckResult]: Loop: 1795#L672-1 assume !false; 1882#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 1964#L377 assume !false; 1963#L295 assume !(0 == ~wl_st~0); 1962#L299 assume !(0 == ~c1_st~0); 1961#L302 assume !(0 == ~c2_st~0); 1960#L305 assume !(0 == ~wb_st~0); 1958#L308 assume !(0 == ~r_st~0); 1957#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1881#L548 assume !(1 == ~c_req_up~0); 1788#L548-2 start_simulation_~kernel_st~0#1 := 3; 1789#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 1953#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1995#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1994#L570-1 assume !(0 == ~e_c~0); 1927#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1993#L580-1 assume 1 == ~wl_pc~0; 1991#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1988#L593 assume !(1 == ~c1_pc~0); 1908#L603 assume !(1 == ~c2_pc~0); 1772#L612 assume !(1 == ~wb_pc~0); 1774#L621 assume !(1 == ~e_c~0); 1874#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1875#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1914#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1922#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1792#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1793#L655-1 assume 0 == ~wl_st~0; 1795#L672-1 [2022-11-21 09:13:09,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:09,388 INFO L85 PathProgramCache]: Analyzing trace with hash 198346715, now seen corresponding path program 1 times [2022-11-21 09:13:09,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:09,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647288503] [2022-11-21 09:13:09,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:09,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:09,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:09,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:09,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647288503] [2022-11-21 09:13:09,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647288503] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:09,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:09,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:13:09,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758733808] [2022-11-21 09:13:09,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:09,460 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 09:13:09,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:09,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1473620493, now seen corresponding path program 2 times [2022-11-21 09:13:09,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:09,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095921082] [2022-11-21 09:13:09,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:09,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:09,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:09,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:09,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095921082] [2022-11-21 09:13:09,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095921082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:09,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:09,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:13:09,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818352761] [2022-11-21 09:13:09,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:09,488 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 09:13:09,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:13:09,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:13:09,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:13:09,491 INFO L87 Difference]: Start difference. First operand 273 states and 474 transitions. cyclomatic complexity: 203 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-21 09:13:09,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:13:09,530 INFO L93 Difference]: Finished difference Result 369 states and 630 transitions. [2022-11-21 09:13:09,531 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 369 states and 630 transitions. [2022-11-21 09:13:09,535 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 292 [2022-11-21 09:13:09,537 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 369 states to 369 states and 630 transitions. [2022-11-21 09:13:09,538 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 369 [2022-11-21 09:13:09,538 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 369 [2022-11-21 09:13:09,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 369 states and 630 transitions. [2022-11-21 09:13:09,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:13:09,539 INFO L218 hiAutomatonCegarLoop]: Abstraction has 369 states and 630 transitions. [2022-11-21 09:13:09,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states and 630 transitions. [2022-11-21 09:13:09,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2022-11-21 09:13:09,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 369 states have (on average 1.7073170731707317) internal successors, (630), 368 states have internal predecessors, (630), 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) [2022-11-21 09:13:09,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 630 transitions. [2022-11-21 09:13:09,557 INFO L240 hiAutomatonCegarLoop]: Abstraction has 369 states and 630 transitions. [2022-11-21 09:13:09,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:13:09,559 INFO L428 stractBuchiCegarLoop]: Abstraction has 369 states and 630 transitions. [2022-11-21 09:13:09,559 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-21 09:13:09,560 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 369 states and 630 transitions. [2022-11-21 09:13:09,563 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 292 [2022-11-21 09:13:09,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:13:09,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:13:09,565 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] [2022-11-21 09:13:09,566 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] [2022-11-21 09:13:09,566 INFO L748 eck$LassoCheckResult]: Stem: 2562#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 2502#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 2503#L404 assume !(1 == ~c_req_up~0); 2529#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 2530#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 2518#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 2519#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 2498#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 2499#L435-1 assume !(0 == ~e_f~0); 2477#L440-1 assume !(0 == ~e_g~0); 2478#L445-1 assume !(0 == ~e_e~0); 2511#L450-1 assume !(0 == ~e_c~0); 2464#L455-1 assume !(0 == ~e_wl~0); 2465#L460-1 assume !(1 == ~wl_pc~0); 2487#L472 assume !(2 == ~wl_pc~0); 2488#L473 assume !(1 == ~c1_pc~0); 2556#L483 assume !(1 == ~c2_pc~0); 2450#L492 assume !(1 == ~wb_pc~0); 2505#L501 assume !(1 == ~e_c~0); 2522#L510-1 assume !(1 == ~e_e~0); 2468#L515-1 assume 1 == ~e_f~0;~e_f~0 := 2; 2447#L520-1 assume !(1 == ~e_g~0); 2448#L525-1 assume !(1 == ~e_c~0); 2508#L530-1 assume !(1 == ~e_wl~0); 2728#L672-1 [2022-11-21 09:13:09,567 INFO L750 eck$LassoCheckResult]: Loop: 2728#L672-1 assume !false; 2723#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 2722#L377 assume !false; 2721#L295 assume !(0 == ~wl_st~0); 2720#L299 assume !(0 == ~c1_st~0); 2719#L302 assume !(0 == ~c2_st~0); 2718#L305 assume !(0 == ~wb_st~0); 2439#L308 assume !(0 == ~r_st~0); 2441#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 2463#L548 assume !(1 == ~c_req_up~0); 2437#L548-2 start_simulation_~kernel_st~0#1 := 3; 2438#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 2553#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 2457#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 2458#L570-1 assume !(0 == ~e_c~0); 2493#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 2494#L580-1 assume 1 == ~wl_pc~0; 2555#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 2460#L593 assume !(1 == ~c1_pc~0); 2517#L603 assume !(1 == ~c2_pc~0); 2501#L612 assume !(1 == ~wb_pc~0); 2751#L621 assume !(1 == ~e_c~0); 2745#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 2743#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 2565#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 2742#L645-1 assume !(1 == ~e_c~0); 2601#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 2739#L655-1 assume 0 == ~wl_st~0; 2728#L672-1 [2022-11-21 09:13:09,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:09,568 INFO L85 PathProgramCache]: Analyzing trace with hash 255545497, now seen corresponding path program 1 times [2022-11-21 09:13:09,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:09,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844969633] [2022-11-21 09:13:09,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:09,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:09,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:09,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844969633] [2022-11-21 09:13:09,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844969633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:09,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:09,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 09:13:09,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048066226] [2022-11-21 09:13:09,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:09,640 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 09:13:09,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:09,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1473618571, now seen corresponding path program 1 times [2022-11-21 09:13:09,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:09,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373776527] [2022-11-21 09:13:09,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:09,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:09,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:13:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:09,669 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:13:09,938 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:13:09,938 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:13:09,939 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:13:09,939 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:13:09,939 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 09:13:09,939 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:09,939 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:13:09,939 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:13:09,940 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration8_Loop [2022-11-21 09:13:09,940 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:13:09,941 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:13:09,960 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:09,977 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:09,981 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:09,984 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:09,986 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:09,989 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:09,993 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:09,999 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,002 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,006 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,009 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,012 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,014 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,017 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,020 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,025 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,028 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,031 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,036 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,039 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,042 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,045 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,051 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,053 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,055 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,062 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,340 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:13:10,341 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 09:13:10,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:10,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:10,350 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:10,365 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:10,365 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:10,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-21 09:13:10,395 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:10,395 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-8} Honda state: {~e_c~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:10,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:10,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:10,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:10,414 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:10,421 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:10,421 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:10,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-21 09:13:10,455 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:10,455 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:10,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:10,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:10,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:10,466 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:10,476 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:10,476 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:10,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-21 09:13:10,507 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:10,507 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:10,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:10,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:10,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:10,518 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:10,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-21 09:13:10,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:10,522 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:10,551 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:10,551 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___2~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp___2~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:10,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:10,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:10,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:10,562 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:10,593 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:10,593 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:10,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-21 09:13:10,616 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:10,616 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:10,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:10,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:10,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:10,624 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:10,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-21 09:13:10,636 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:10,636 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:10,663 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:10,663 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c_req_up~0=4} Honda state: {~c_req_up~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:10,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:10,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:10,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:10,671 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:10,684 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:10,684 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:10,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-21 09:13:10,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:10,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:10,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:10,711 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:10,720 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 09:13:10,720 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:10,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-21 09:13:10,744 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 09:13:10,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:10,752 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:13:10,752 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:13:10,753 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:13:10,753 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:13:10,753 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:13:10,753 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:10,753 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:13:10,753 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:13:10,753 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration8_Loop [2022-11-21 09:13:10,753 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:13:10,753 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:13:10,756 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,772 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,776 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,779 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,786 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,793 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,797 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,801 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,803 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,806 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,816 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,822 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,826 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,830 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,834 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,842 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,846 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,849 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,863 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,869 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,872 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,874 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:10,881 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:11,130 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:13:11,134 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:13:11,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:11,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:11,137 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:11,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-21 09:13:11,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:11,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:11,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:11,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:11,157 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 09:13:11,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:11,159 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:13:11,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:11,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:11,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:11,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:11,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:11,184 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:11,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-21 09:13:11,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:11,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:11,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:11,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:11,215 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 09:13:11,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:11,216 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:13:11,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:11,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:11,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:11,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:11,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:11,236 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:11,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:11,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:11,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:11,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:11,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:13:11,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:11,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:13:11,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:11,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-21 09:13:11,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:11,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:11,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:11,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:11,284 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:11,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:11,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:11,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:11,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:11,306 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 09:13:11,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:11,307 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:13:11,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:11,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-21 09:13:11,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:11,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:11,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:11,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:11,332 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:11,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:11,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-21 09:13:11,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:11,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:11,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:11,353 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 09:13:11,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:11,358 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:13:11,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:11,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:11,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:11,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:11,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:11,384 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:11,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-21 09:13:11,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:11,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:11,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:11,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:11,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:13:11,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:11,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:13:11,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:11,426 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 09:13:11,430 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-21 09:13:11,431 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-21 09:13:11,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:11,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:11,477 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:11,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-21 09:13:11,486 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 09:13:11,486 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 09:13:11,487 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 09:13:11,487 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_wl~0) = -1*~e_wl~0 + 1 Supporting invariants [] [2022-11-21 09:13:11,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:11,517 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 09:13:11,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:11,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:13:11,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:13:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:11,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 09:13:11,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:13:11,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:11,835 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-21 09:13:11,836 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 369 states and 630 transitions. cyclomatic complexity: 263 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2022-11-21 09:13:11,966 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 369 states and 630 transitions. cyclomatic complexity: 263. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1270 states and 2159 transitions. Complement of second has 5 states. [2022-11-21 09:13:11,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 09:13:11,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2022-11-21 09:13:11,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions. [2022-11-21 09:13:11,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 24 letters. Loop has 28 letters. [2022-11-21 09:13:11,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:13:11,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 52 letters. Loop has 28 letters. [2022-11-21 09:13:11,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:13:11,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 24 letters. Loop has 56 letters. [2022-11-21 09:13:11,983 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:13:11,983 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1270 states and 2159 transitions. [2022-11-21 09:13:11,993 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 869 [2022-11-21 09:13:12,003 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1270 states to 1267 states and 2153 transitions. [2022-11-21 09:13:12,004 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 955 [2022-11-21 09:13:12,006 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 972 [2022-11-21 09:13:12,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1267 states and 2153 transitions. [2022-11-21 09:13:12,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:13:12,006 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1267 states and 2153 transitions. [2022-11-21 09:13:12,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states and 2153 transitions. [2022-11-21 09:13:12,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 952. [2022-11-21 09:13:12,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 952 states have (on average 1.7069327731092436) internal successors, (1625), 951 states have internal predecessors, (1625), 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) [2022-11-21 09:13:12,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1625 transitions. [2022-11-21 09:13:12,029 INFO L240 hiAutomatonCegarLoop]: Abstraction has 952 states and 1625 transitions. [2022-11-21 09:13:12,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:13:12,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:13:12,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:13:12,030 INFO L87 Difference]: Start difference. First operand 952 states and 1625 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2022-11-21 09:13:12,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:13:12,158 INFO L93 Difference]: Finished difference Result 1170 states and 1981 transitions. [2022-11-21 09:13:12,158 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1170 states and 1981 transitions. [2022-11-21 09:13:12,167 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 691 [2022-11-21 09:13:12,175 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1170 states to 1170 states and 1981 transitions. [2022-11-21 09:13:12,175 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 811 [2022-11-21 09:13:12,176 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 811 [2022-11-21 09:13:12,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1170 states and 1981 transitions. [2022-11-21 09:13:12,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:13:12,177 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1170 states and 1981 transitions. [2022-11-21 09:13:12,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states and 1981 transitions. [2022-11-21 09:13:12,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1149. [2022-11-21 09:13:12,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 1149 states have (on average 1.7049608355091384) internal successors, (1959), 1148 states have internal predecessors, (1959), 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) [2022-11-21 09:13:12,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1959 transitions. [2022-11-21 09:13:12,200 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1149 states and 1959 transitions. [2022-11-21 09:13:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 09:13:12,202 INFO L428 stractBuchiCegarLoop]: Abstraction has 1149 states and 1959 transitions. [2022-11-21 09:13:12,202 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-21 09:13:12,203 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1149 states and 1959 transitions. [2022-11-21 09:13:12,209 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 687 [2022-11-21 09:13:12,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:13:12,209 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:13:12,210 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] [2022-11-21 09:13:12,210 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] [2022-11-21 09:13:12,212 INFO L748 eck$LassoCheckResult]: Stem: 6635#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 6512#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 6513#L404 assume !(1 == ~c_req_up~0); 6633#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 6722#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 6721#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 6720#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 6719#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 6644#L435-1 assume !(0 == ~e_f~0); 6465#L440-1 assume !(0 == ~e_g~0); 6466#L445-1 assume !(0 == ~e_e~0); 6516#L450-1 assume !(0 == ~e_c~0); 6522#L455-1 assume !(0 == ~e_wl~0); 6724#L460-1 assume !(1 == ~wl_pc~0); 6485#L472 assume !(2 == ~wl_pc~0); 6486#L473 assume !(1 == ~c1_pc~0); 6618#L483 assume !(1 == ~c2_pc~0); 6418#L492 assume !(1 == ~wb_pc~0); 6515#L501 assume !(1 == ~e_c~0); 6481#L510-1 assume !(1 == ~e_e~0); 6451#L515-1 assume !(1 == ~e_f~0); 6415#L520-1 assume !(1 == ~e_g~0); 6416#L525-1 assume !(1 == ~e_c~0); 6517#L530-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 6595#L672-1 [2022-11-21 09:13:12,212 INFO L750 eck$LassoCheckResult]: Loop: 6595#L672-1 assume !false; 7245#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 7246#L377 assume !false; 7241#L295 assume !(0 == ~wl_st~0); 7242#L299 assume !(0 == ~c1_st~0); 7226#L302 assume !(0 == ~c2_st~0); 7227#L305 assume !(0 == ~wb_st~0); 7212#L308 assume !(0 == ~r_st~0); 7214#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 7195#L548 assume !(1 == ~c_req_up~0); 6396#L548-2 start_simulation_~kernel_st~0#1 := 3; 6397#L560 assume !(0 == ~e_f~0); 6456#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 6431#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 6432#L570-1 assume !(0 == ~e_c~0); 6494#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 6495#L580-1 assume !(1 == ~wl_pc~0); 6437#L592 assume !(2 == ~wl_pc~0); 6438#L593 assume !(1 == ~c1_pc~0); 6533#L603 assume !(1 == ~c2_pc~0); 6360#L612 assume !(1 == ~wb_pc~0); 6362#L621 assume !(1 == ~e_c~0); 6550#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 6551#L635-1 assume !(1 == ~e_f~0); 6648#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 6649#L645-1 assume !(1 == ~e_c~0); 7267#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 7259#L655-1 assume 0 == ~wl_st~0; 6595#L672-1 [2022-11-21 09:13:12,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:12,213 INFO L85 PathProgramCache]: Analyzing trace with hash 255605077, now seen corresponding path program 1 times [2022-11-21 09:13:12,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:12,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389405885] [2022-11-21 09:13:12,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:12,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:12,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:12,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:12,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:12,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389405885] [2022-11-21 09:13:12,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389405885] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:12,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:12,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:13:12,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207748004] [2022-11-21 09:13:12,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:12,327 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 09:13:12,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:12,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1784107586, now seen corresponding path program 1 times [2022-11-21 09:13:12,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:12,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667872247] [2022-11-21 09:13:12,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:12,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:12,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:12,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:12,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667872247] [2022-11-21 09:13:12,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667872247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:12,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:12,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:13:12,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134736713] [2022-11-21 09:13:12,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:12,352 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 09:13:12,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:13:12,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:13:12,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:13:12,352 INFO L87 Difference]: Start difference. First operand 1149 states and 1959 transitions. cyclomatic complexity: 816 Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2022-11-21 09:13:12,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:13:12,462 INFO L93 Difference]: Finished difference Result 1915 states and 3215 transitions. [2022-11-21 09:13:12,462 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1915 states and 3215 transitions. [2022-11-21 09:13:12,476 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 979 [2022-11-21 09:13:12,487 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1915 states to 1915 states and 3215 transitions. [2022-11-21 09:13:12,487 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1280 [2022-11-21 09:13:12,488 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1280 [2022-11-21 09:13:12,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1915 states and 3215 transitions. [2022-11-21 09:13:12,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:13:12,489 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1915 states and 3215 transitions. [2022-11-21 09:13:12,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1915 states and 3215 transitions. [2022-11-21 09:13:12,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1915 to 1427. [2022-11-21 09:13:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1427 states, 1427 states have (on average 1.6937631394533987) internal successors, (2417), 1426 states have internal predecessors, (2417), 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) [2022-11-21 09:13:12,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 2417 transitions. [2022-11-21 09:13:12,521 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1427 states and 2417 transitions. [2022-11-21 09:13:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 09:13:12,522 INFO L428 stractBuchiCegarLoop]: Abstraction has 1427 states and 2417 transitions. [2022-11-21 09:13:12,523 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-21 09:13:12,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1427 states and 2417 transitions. [2022-11-21 09:13:12,530 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 789 [2022-11-21 09:13:12,530 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:13:12,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:13:12,533 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] [2022-11-21 09:13:12,533 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] [2022-11-21 09:13:12,534 INFO L748 eck$LassoCheckResult]: Stem: 9692#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 9583#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 9584#L404 assume !(1 == ~c_req_up~0); 9640#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 9527#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 9528#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 9663#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 9664#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 9696#L435-1 assume !(0 == ~e_f~0); 9697#L440-1 assume !(0 == ~e_g~0); 9705#L445-1 assume !(0 == ~e_e~0); 9594#L450-1 assume !(0 == ~e_c~0); 9520#L455-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 9521#L460-1 assume !(1 == ~wl_pc~0); 9650#L472 assume !(2 == ~wl_pc~0); 10158#L473 assume !(1 == ~c1_pc~0); 10191#L483 assume !(1 == ~c2_pc~0); 10189#L492 assume !(1 == ~wb_pc~0); 10187#L501 assume !(1 == ~e_c~0); 10186#L510-1 assume !(1 == ~e_e~0); 10185#L515-1 assume !(1 == ~e_f~0); 10183#L520-1 assume !(1 == ~e_g~0); 10182#L525-1 assume !(1 == ~e_c~0); 10161#L530-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 10162#L672-1 [2022-11-21 09:13:12,535 INFO L750 eck$LassoCheckResult]: Loop: 10162#L672-1 assume !false; 10510#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 10504#L377 assume !false; 10498#L295 assume !(0 == ~wl_st~0); 10496#L299 assume !(0 == ~c1_st~0); 10494#L302 assume !(0 == ~c2_st~0); 10492#L305 assume !(0 == ~wb_st~0); 10489#L308 assume !(0 == ~r_st~0); 10487#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 10483#L548 assume !(1 == ~c_req_up~0); 10484#L548-2 start_simulation_~kernel_st~0#1 := 3; 10573#L560 assume !(0 == ~e_f~0); 10572#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 10571#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 10570#L570-1 assume !(0 == ~e_c~0); 10568#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 10567#L580-1 assume 1 == ~wl_pc~0; 10563#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 10560#L593 assume !(1 == ~c1_pc~0); 10559#L603 assume !(1 == ~c2_pc~0); 10557#L612 assume !(1 == ~wb_pc~0); 10555#L621 assume !(1 == ~e_c~0); 10554#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 10549#L635-1 assume !(1 == ~e_f~0); 10547#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 10545#L645-1 assume !(1 == ~e_c~0); 10194#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 10195#L655-1 assume 0 == ~wl_st~0; 10162#L672-1 [2022-11-21 09:13:12,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:12,536 INFO L85 PathProgramCache]: Analyzing trace with hash -2560361, now seen corresponding path program 1 times [2022-11-21 09:13:12,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:12,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830454894] [2022-11-21 09:13:12,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:12,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:12,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:12,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:12,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830454894] [2022-11-21 09:13:12,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830454894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:12,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:12,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 09:13:12,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082172672] [2022-11-21 09:13:12,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:12,599 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 09:13:12,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:12,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1234847865, now seen corresponding path program 1 times [2022-11-21 09:13:12,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:12,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633612712] [2022-11-21 09:13:12,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:12,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:12,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:13:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:12,610 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:13:12,801 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:13:12,801 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:13:12,801 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:13:12,802 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:13:12,802 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 09:13:12,802 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:12,802 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:13:12,802 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:13:12,802 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration10_Loop [2022-11-21 09:13:12,802 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:13:12,802 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:13:12,814 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,818 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,822 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,825 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,828 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,831 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,833 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,835 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,837 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,839 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,842 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,847 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,857 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,861 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,863 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,868 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,871 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,876 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,883 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,887 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,890 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,892 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,894 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,897 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:12,900 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,153 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:13:13,153 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 09:13:13,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:13,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:13,163 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:13,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-21 09:13:13,169 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:13,169 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:13,194 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:13,194 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:13,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:13,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:13,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:13,205 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:13,216 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:13,216 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:13,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-21 09:13:13,239 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:13,239 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-8} Honda state: {~e_c~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:13,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:13,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:13,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:13,250 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:13,258 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:13,259 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:13,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-21 09:13:13,287 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:13,287 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:13,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:13,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:13,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:13,298 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:13,312 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:13,312 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:13,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-21 09:13:13,343 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:13,343 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:13,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:13,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:13,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:13,353 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:13,363 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:13,363 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:13,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-21 09:13:13,386 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:13,386 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:13,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:13,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:13,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:13,397 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:13,400 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:13,400 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:13,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-21 09:13:13,421 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:13,422 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___0~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp___0~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:13,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:13,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:13,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:13,427 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:13,431 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:13,431 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:13,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-21 09:13:13,459 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:13,459 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet7#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:13,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:13,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:13,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:13,468 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:13,473 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:13,473 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:13,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-21 09:13:13,511 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:13,511 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet5#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:13,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:13,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:13,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:13,520 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:13,525 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:13,525 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:13,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-21 09:13:13,555 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:13,555 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:13,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:13,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:13,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:13,565 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:13,569 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:13,569 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:13,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-21 09:13:13,607 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:13,607 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~wb_st~0=-1} Honda state: {~wb_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:13,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:13,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:13,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:13,616 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:13,620 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:13,620 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:13,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-21 09:13:13,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:13,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:13,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:13,663 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:13,667 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 09:13:13,667 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:13,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-21 09:13:13,691 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 09:13:13,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:13,700 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:13:13,700 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:13:13,700 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:13:13,700 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:13:13,700 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:13:13,700 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:13,700 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:13:13,700 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:13:13,700 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration10_Loop [2022-11-21 09:13:13,700 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:13:13,700 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:13:13,702 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,705 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,710 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,713 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,715 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,717 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,719 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,741 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,744 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,747 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,756 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,758 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,761 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,766 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,771 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,774 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,778 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,792 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,795 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,798 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,801 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,803 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,806 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:13,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:14,050 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:13:14,050 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:13:14,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:14,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:14,055 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:14,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:14,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-21 09:13:14,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:14,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:14,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:14,072 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 09:13:14,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:14,073 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:13:14,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:14,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:14,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:14,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:14,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:14,100 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:14,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:14,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:14,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:14,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:14,119 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 09:13:14,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:14,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-21 09:13:14,120 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:13:14,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:14,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:14,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:14,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:14,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:14,139 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:14,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:14,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:14,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:14,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:14,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:13:14,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:14,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:13:14,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:14,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-21 09:13:14,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:14,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:14,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:14,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:14,180 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:14,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:14,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:14,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:14,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:14,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:13:14,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:14,198 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:13:14,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:14,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:14,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-21 09:13:14,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:14,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:14,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:14,216 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:14,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:14,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:14,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:14,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:14,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:13:14,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:14,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-21 09:13:14,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:13:14,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:14,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:14,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:14,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:14,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:14,256 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:14,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:14,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:14,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:14,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:14,275 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 09:13:14,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:14,276 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:13:14,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:14,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-21 09:13:14,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:14,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:14,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:14,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:14,291 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:14,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:14,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:14,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:14,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:14,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:13:14,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:14,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:13:14,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:14,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-21 09:13:14,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:14,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-11-21 09:13:14,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:14,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:14,340 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:14,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:14,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:14,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:14,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:14,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:13:14,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:14,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:13:14,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:14,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-21 09:13:14,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:14,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:14,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:14,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:14,384 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:14,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:14,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:14,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:14,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:14,402 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 09:13:14,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:14,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-21 09:13:14,403 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:13:14,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:14,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:14,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-11-21 09:13:14,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:14,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:14,409 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:14,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-21 09:13:14,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:14,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:14,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:14,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:14,422 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 09:13:14,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:14,423 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:13:14,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:14,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:14,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:14,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:14,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:14,461 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:14,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:14,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:14,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:14,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:14,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:13:14,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:14,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:13:14,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:14,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-21 09:13:14,494 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 09:13:14,497 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-21 09:13:14,497 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-21 09:13:14,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:14,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:14,499 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:14,511 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 09:13:14,511 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 09:13:14,511 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 09:13:14,511 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_wl~0) = -1*~e_wl~0 + 1 Supporting invariants [] [2022-11-21 09:13:14,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-21 09:13:14,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-21 09:13:14,519 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 09:13:14,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:14,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:13:14,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:13:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:14,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 09:13:14,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:13:14,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:14,738 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-21 09:13:14,738 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1427 states and 2417 transitions. cyclomatic complexity: 996 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2022-11-21 09:13:14,796 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1427 states and 2417 transitions. cyclomatic complexity: 996. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2780 states and 4700 transitions. Complement of second has 5 states. [2022-11-21 09:13:14,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 09:13:14,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2022-11-21 09:13:14,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2022-11-21 09:13:14,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 24 letters. Loop has 28 letters. [2022-11-21 09:13:14,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:13:14,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 52 letters. Loop has 28 letters. [2022-11-21 09:13:14,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:13:14,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 24 letters. Loop has 56 letters. [2022-11-21 09:13:14,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:13:14,799 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2780 states and 4700 transitions. [2022-11-21 09:13:14,819 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 1578 [2022-11-21 09:13:14,834 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2780 states to 2777 states and 4694 transitions. [2022-11-21 09:13:14,835 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1861 [2022-11-21 09:13:14,837 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1884 [2022-11-21 09:13:14,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2777 states and 4694 transitions. [2022-11-21 09:13:14,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:13:14,837 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2777 states and 4694 transitions. [2022-11-21 09:13:14,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2777 states and 4694 transitions. [2022-11-21 09:13:14,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2777 to 1427. [2022-11-21 09:13:14,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1427 states, 1427 states have (on average 1.6937631394533987) internal successors, (2417), 1426 states have internal predecessors, (2417), 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) [2022-11-21 09:13:14,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 2417 transitions. [2022-11-21 09:13:14,882 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1427 states and 2417 transitions. [2022-11-21 09:13:14,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:13:14,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:13:14,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:13:14,883 INFO L87 Difference]: Start difference. First operand 1427 states and 2417 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2022-11-21 09:13:14,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:13:14,968 INFO L93 Difference]: Finished difference Result 1824 states and 2961 transitions. [2022-11-21 09:13:14,968 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1824 states and 2961 transitions. [2022-11-21 09:13:14,979 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 1192 [2022-11-21 09:13:14,986 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1824 states to 1290 states and 2103 transitions. [2022-11-21 09:13:14,986 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1290 [2022-11-21 09:13:14,988 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1290 [2022-11-21 09:13:14,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1290 states and 2103 transitions. [2022-11-21 09:13:14,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:13:14,990 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1290 states and 2103 transitions. [2022-11-21 09:13:14,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states and 2103 transitions. [2022-11-21 09:13:15,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1003. [2022-11-21 09:13:15,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 1003 states have (on average 1.6340977068793618) internal successors, (1639), 1002 states have internal predecessors, (1639), 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) [2022-11-21 09:13:15,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1639 transitions. [2022-11-21 09:13:15,043 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1003 states and 1639 transitions. [2022-11-21 09:13:15,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 09:13:15,045 INFO L428 stractBuchiCegarLoop]: Abstraction has 1003 states and 1639 transitions. [2022-11-21 09:13:15,046 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-21 09:13:15,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1003 states and 1639 transitions. [2022-11-21 09:13:15,051 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 928 [2022-11-21 09:13:15,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:13:15,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:13:15,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:15,058 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] [2022-11-21 09:13:15,059 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] [2022-11-21 09:13:15,059 INFO L748 eck$LassoCheckResult]: Stem: 17230#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 17158#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 17159#L404 assume !(1 == ~c_req_up~0); 17189#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 17190#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 17176#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 17177#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 17154#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 17155#L435-1 assume !(0 == ~e_f~0); 17131#L440-1 assume !(0 == ~e_g~0); 17132#L445-1 assume !(0 == ~e_e~0); 17168#L450-1 assume !(0 == ~e_c~0); 17169#L455-1 assume !(0 == ~e_wl~0); 17264#L460-1 assume !(1 == ~wl_pc~0); 17261#L472 assume !(2 == ~wl_pc~0); 17260#L473 assume !(1 == ~c1_pc~0); 17221#L483 assume !(1 == ~c2_pc~0); 17103#L492 assume !(1 == ~wb_pc~0); 17180#L501 assume !(1 == ~e_c~0); 17181#L510-1 assume !(1 == ~e_e~0); 17256#L515-1 assume !(1 == ~e_f~0); 17255#L520-1 assume !(1 == ~e_g~0); 17164#L525-1 assume !(1 == ~e_c~0); 17165#L530-1 assume !(1 == ~e_wl~0); 17663#L672-1 [2022-11-21 09:13:15,059 INFO L750 eck$LassoCheckResult]: Loop: 17663#L672-1 assume !false; 17940#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 17939#L377 assume !false; 17938#L295 assume !(0 == ~wl_st~0); 17937#L299 assume !(0 == ~c1_st~0); 17936#L302 assume !(0 == ~c2_st~0); 17935#L305 assume !(0 == ~wb_st~0); 17933#L308 assume !(0 == ~r_st~0); 17932#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 17931#L548 assume !(1 == ~c_req_up~0); 17705#L548-2 start_simulation_~kernel_st~0#1 := 3; 17700#L560 assume !(0 == ~e_f~0); 17701#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 17696#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 17697#L570-1 assume !(0 == ~e_c~0); 17692#L575-1 assume !(0 == ~e_wl~0); 17693#L580-1 assume !(1 == ~wl_pc~0); 17690#L592 assume !(2 == ~wl_pc~0); 17689#L593 assume !(1 == ~c1_pc~0); 17684#L603 assume !(1 == ~c2_pc~0); 17683#L612 assume !(1 == ~wb_pc~0); 17978#L621 assume !(1 == ~e_c~0); 17977#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 17976#L635-1 assume !(1 == ~e_f~0); 17975#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 17974#L645-1 assume !(1 == ~e_c~0); 17973#L650-1 assume !(1 == ~e_wl~0); 17970#L655-1 assume 0 == ~wl_st~0; 17663#L672-1 [2022-11-21 09:13:15,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:15,060 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 2 times [2022-11-21 09:13:15,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:15,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512812532] [2022-11-21 09:13:15,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:15,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:15,068 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:13:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:15,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:13:15,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:15,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1197301634, now seen corresponding path program 1 times [2022-11-21 09:13:15,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:15,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357746635] [2022-11-21 09:13:15,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:15,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:15,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:15,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:15,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357746635] [2022-11-21 09:13:15,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357746635] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:15,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:15,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:13:15,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589407134] [2022-11-21 09:13:15,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:15,100 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 09:13:15,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:13:15,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:13:15,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:13:15,101 INFO L87 Difference]: Start difference. First operand 1003 states and 1639 transitions. cyclomatic complexity: 640 Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:15,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:13:15,135 INFO L93 Difference]: Finished difference Result 1585 states and 2559 transitions. [2022-11-21 09:13:15,135 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1585 states and 2559 transitions. [2022-11-21 09:13:15,146 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1510 [2022-11-21 09:13:15,155 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1585 states to 1585 states and 2559 transitions. [2022-11-21 09:13:15,155 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1585 [2022-11-21 09:13:15,157 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1585 [2022-11-21 09:13:15,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1585 states and 2559 transitions. [2022-11-21 09:13:15,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:13:15,159 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1585 states and 2559 transitions. [2022-11-21 09:13:15,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states and 2559 transitions. [2022-11-21 09:13:15,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1585. [2022-11-21 09:13:15,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1585 states, 1585 states have (on average 1.6145110410094636) internal successors, (2559), 1584 states have internal predecessors, (2559), 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) [2022-11-21 09:13:15,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 2559 transitions. [2022-11-21 09:13:15,196 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1585 states and 2559 transitions. [2022-11-21 09:13:15,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:13:15,198 INFO L428 stractBuchiCegarLoop]: Abstraction has 1585 states and 2559 transitions. [2022-11-21 09:13:15,199 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-21 09:13:15,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1585 states and 2559 transitions. [2022-11-21 09:13:15,210 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1510 [2022-11-21 09:13:15,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:13:15,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:13:15,211 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] [2022-11-21 09:13:15,213 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] [2022-11-21 09:13:15,213 INFO L748 eck$LassoCheckResult]: Stem: 19818#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 19751#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 19752#L404 assume !(1 == ~c_req_up~0); 19779#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 19713#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 19714#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 19767#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 19747#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 19748#L435-1 assume !(0 == ~e_f~0); 19724#L440-1 assume !(0 == ~e_g~0); 19725#L445-1 assume !(0 == ~e_e~0); 19755#L450-1 assume !(0 == ~e_c~0); 19760#L455-1 assume !(0 == ~e_wl~0); 19855#L460-1 assume !(1 == ~wl_pc~0); 19852#L472 assume !(2 == ~wl_pc~0); 19851#L473 assume !(1 == ~c1_pc~0); 19849#L483 assume !(1 == ~c2_pc~0); 19844#L492 assume !(1 == ~wb_pc~0); 19771#L501 assume !(1 == ~e_c~0); 19731#L510-1 assume !(1 == ~e_e~0); 19732#L515-1 assume !(1 == ~e_f~0); 19842#L520-1 assume !(1 == ~e_g~0); 19756#L525-1 assume !(1 == ~e_c~0); 19757#L530-1 assume !(1 == ~e_wl~0); 20450#L672-1 [2022-11-21 09:13:15,214 INFO L750 eck$LassoCheckResult]: Loop: 20450#L672-1 assume !false; 21193#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 21190#L377 assume !false; 21098#L295 assume !(0 == ~wl_st~0); 20822#L299 assume !(0 == ~c1_st~0); 20398#L302 assume !(0 == ~c2_st~0); 20399#L305 assume !(0 == ~wb_st~0); 20395#L308 assume !(0 == ~r_st~0); 20396#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 20725#L548 assume !(1 == ~c_req_up~0); 20727#L548-2 start_simulation_~kernel_st~0#1 := 3; 21138#L560 assume !(0 == ~e_f~0); 21137#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 21136#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 21135#L570-1 assume !(0 == ~e_c~0); 21134#L575-1 assume !(0 == ~e_wl~0); 21133#L580-1 assume !(1 == ~wl_pc~0); 21131#L592 assume 2 == ~wl_pc~0; 21129#L594 assume 1 == ~e_e~0;~wl_st~0 := 0; 21127#L593 assume !(1 == ~c1_pc~0); 20473#L603 assume !(1 == ~c2_pc~0); 20472#L612 assume !(1 == ~wb_pc~0); 21124#L621 assume !(1 == ~e_c~0); 21123#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 21122#L635-1 assume !(1 == ~e_f~0); 21121#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 21120#L645-1 assume !(1 == ~e_c~0); 21119#L650-1 assume !(1 == ~e_wl~0); 21118#L655-1 assume 0 == ~wl_st~0; 20450#L672-1 [2022-11-21 09:13:15,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:15,214 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 3 times [2022-11-21 09:13:15,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:15,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374596847] [2022-11-21 09:13:15,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:15,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:15,226 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:13:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:15,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:13:15,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:15,246 INFO L85 PathProgramCache]: Analyzing trace with hash -869781309, now seen corresponding path program 1 times [2022-11-21 09:13:15,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:15,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554944836] [2022-11-21 09:13:15,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:15,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:15,251 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:13:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:15,255 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:13:15,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:15,256 INFO L85 PathProgramCache]: Analyzing trace with hash 44318509, now seen corresponding path program 1 times [2022-11-21 09:13:15,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:15,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230620219] [2022-11-21 09:13:15,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:15,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:15,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:15,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:15,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230620219] [2022-11-21 09:13:15,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230620219] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:15,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:15,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:13:15,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898622881] [2022-11-21 09:13:15,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:15,570 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:13:15,570 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:13:15,570 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:13:15,570 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:13:15,570 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 09:13:15,570 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:15,570 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:13:15,571 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:13:15,571 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration12_Loop [2022-11-21 09:13:15,571 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:13:15,571 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:13:15,572 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,577 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,582 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,585 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,592 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,595 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,598 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,601 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,606 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,608 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,611 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,613 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,616 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,618 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,623 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,629 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,631 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,634 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,639 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,644 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,648 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,651 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,661 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,663 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:15,894 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:13:15,894 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 09:13:15,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:15,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:15,895 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:15,903 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:15,903 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:15,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-21 09:13:15,925 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:15,925 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-8} Honda state: {~e_c~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:15,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:15,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:15,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:15,936 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:15,940 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:15,940 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:15,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-21 09:13:15,962 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:15,962 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_wl~0=-1} Honda state: {~e_wl~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:15,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:15,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:15,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:15,968 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:15,971 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:15,971 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:15,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-21 09:13:16,003 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:16,003 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:16,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:16,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:16,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:16,007 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:16,014 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:16,014 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:16,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-21 09:13:16,043 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:16,043 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet6#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:16,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:16,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:16,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:16,048 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:16,051 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:16,051 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:16,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-21 09:13:16,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:16,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:16,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:16,077 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:16,081 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 09:13:16,081 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:16,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-21 09:13:16,104 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 09:13:16,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:16,108 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:13:16,108 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:13:16,108 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:13:16,108 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:13:16,108 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:13:16,108 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:16,109 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:13:16,109 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:13:16,109 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration12_Loop [2022-11-21 09:13:16,109 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:13:16,109 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:13:16,110 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,117 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,121 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,124 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,126 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,130 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,133 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,135 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,138 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,143 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,145 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,147 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,149 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,151 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,152 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,155 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,157 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,161 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,163 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,165 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,168 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,172 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,174 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,176 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,179 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,181 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:16,387 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:13:16,388 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:13:16,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:16,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:16,406 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:16,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-21 09:13:16,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:16,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:16,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:16,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:16,420 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 09:13:16,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:16,421 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:13:16,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:16,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:16,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-21 09:13:16,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:16,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:16,427 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:16,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:16,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:16,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:16,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:16,448 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 09:13:16,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:16,449 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:13:16,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:16,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-21 09:13:16,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:16,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:16,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:16,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:16,472 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:16,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:16,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:16,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:16,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:16,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:13:16,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:16,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:13:16,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:16,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-21 09:13:16,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:16,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:16,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:16,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:16,522 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:16,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:16,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:16,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:16,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:16,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:13:16,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:16,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:13:16,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:16,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-21 09:13:16,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:16,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:16,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:16,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:16,555 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:16,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-21 09:13:16,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:16,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:16,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:16,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:16,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:13:16,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:16,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:13:16,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:16,573 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 09:13:16,575 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-21 09:13:16,576 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-21 09:13:16,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:16,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:16,577 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:16,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-21 09:13:16,580 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 09:13:16,580 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 09:13:16,580 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 09:13:16,580 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_e~0) = -1*~e_e~0 + 1 Supporting invariants [] [2022-11-21 09:13:16,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:16,584 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 09:13:16,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:16,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:13:16,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:13:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:16,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 09:13:16,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:13:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:16,769 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-21 09:13:16,769 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1585 states and 2559 transitions. cyclomatic complexity: 978 Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:16,818 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1585 states and 2559 transitions. cyclomatic complexity: 978. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 4213 states and 6824 transitions. Complement of second has 5 states. [2022-11-21 09:13:16,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 09:13:16,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:16,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2022-11-21 09:13:16,819 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 201 transitions. Stem has 24 letters. Loop has 29 letters. [2022-11-21 09:13:16,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:13:16,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 201 transitions. Stem has 53 letters. Loop has 29 letters. [2022-11-21 09:13:16,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:13:16,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 201 transitions. Stem has 24 letters. Loop has 58 letters. [2022-11-21 09:13:16,821 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:13:16,821 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4213 states and 6824 transitions. [2022-11-21 09:13:16,841 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 2773 [2022-11-21 09:13:16,861 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4213 states to 4213 states and 6824 transitions. [2022-11-21 09:13:16,861 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2851 [2022-11-21 09:13:16,864 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2896 [2022-11-21 09:13:16,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4213 states and 6824 transitions. [2022-11-21 09:13:16,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:13:16,865 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4213 states and 6824 transitions. [2022-11-21 09:13:16,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4213 states and 6824 transitions. [2022-11-21 09:13:16,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4213 to 4168. [2022-11-21 09:13:16,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4168 states, 4168 states have (on average 1.6190019193857965) internal successors, (6748), 4167 states have internal predecessors, (6748), 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) [2022-11-21 09:13:16,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 4168 states and 6748 transitions. [2022-11-21 09:13:16,945 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4168 states and 6748 transitions. [2022-11-21 09:13:16,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:13:16,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:13:16,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:13:16,946 INFO L87 Difference]: Start difference. First operand 4168 states and 6748 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:16,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:13:16,990 INFO L93 Difference]: Finished difference Result 3262 states and 5294 transitions. [2022-11-21 09:13:16,991 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3262 states and 5294 transitions. [2022-11-21 09:13:17,007 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 2167 [2022-11-21 09:13:17,022 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3262 states to 3262 states and 5294 transitions. [2022-11-21 09:13:17,022 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2248 [2022-11-21 09:13:17,024 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2248 [2022-11-21 09:13:17,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3262 states and 5294 transitions. [2022-11-21 09:13:17,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:13:17,025 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3262 states and 5294 transitions. [2022-11-21 09:13:17,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states and 5294 transitions. [2022-11-21 09:13:17,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 2914. [2022-11-21 09:13:17,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2914 states, 2914 states have (on average 1.6304049416609472) internal successors, (4751), 2913 states have internal predecessors, (4751), 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) [2022-11-21 09:13:17,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 4751 transitions. [2022-11-21 09:13:17,080 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2914 states and 4751 transitions. [2022-11-21 09:13:17,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:13:17,080 INFO L428 stractBuchiCegarLoop]: Abstraction has 2914 states and 4751 transitions. [2022-11-21 09:13:17,081 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-21 09:13:17,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2914 states and 4751 transitions. [2022-11-21 09:13:17,091 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1933 [2022-11-21 09:13:17,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:13:17,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:13:17,092 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] [2022-11-21 09:13:17,093 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:13:17,093 INFO L748 eck$LassoCheckResult]: Stem: 33350#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 33227#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 33228#L404 assume !(1 == ~c_req_up~0); 33273#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 33274#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 33253#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 33254#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 33219#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 33220#L435-1 assume !(0 == ~e_f~0); 33176#L440-1 assume !(0 == ~e_g~0); 33177#L445-1 assume !(0 == ~e_e~0); 33239#L450-1 assume !(0 == ~e_c~0); 33240#L455-1 assume !(0 == ~e_wl~0); 33405#L460-1 assume !(1 == ~wl_pc~0); 33402#L472 assume !(2 == ~wl_pc~0); 33401#L473 assume !(1 == ~c1_pc~0); 33329#L483 assume !(1 == ~c2_pc~0); 33130#L492 assume !(1 == ~wb_pc~0); 33230#L501 assume !(1 == ~e_c~0); 33191#L510-1 assume !(1 == ~e_e~0); 33192#L515-1 assume !(1 == ~e_f~0); 33392#L520-1 assume !(1 == ~e_g~0); 33233#L525-1 assume !(1 == ~e_c~0); 33234#L530-1 assume !(1 == ~e_wl~0); 33942#L672-1 assume !false; 33943#L542 [2022-11-21 09:13:17,093 INFO L750 eck$LassoCheckResult]: Loop: 33943#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 35242#L377 assume !false; 35241#L295 assume 0 == ~wl_st~0; 35240#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 34762#L321 assume 0 != eval_~tmp~0#1;~wl_st~0 := 1;assume { :begin_inline_write_loop } true;havoc write_loop_~t~0#1;havoc write_loop_~t~0#1; 34761#L66 assume 0 == ~wl_pc~0; 34758#L79 ~wl_st~0 := 2;~wl_pc~0 := 1;~e_wl~0 := 0; 34803#L127 assume { :end_inline_write_loop } true; 34800#L317 assume !(0 == ~c1_st~0); 34797#L332 assume !(0 == ~c2_st~0); 34794#L347 assume !(0 == ~wb_st~0); 34718#L362 assume !(0 == ~r_st~0); 34710#L377 assume !false; 34707#L295 assume !(0 == ~wl_st~0); 34702#L299 assume !(0 == ~c1_st~0); 34552#L302 assume !(0 == ~c2_st~0); 34491#L305 assume !(0 == ~wb_st~0); 34485#L308 assume !(0 == ~r_st~0); 34480#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 34474#L548 assume !(1 == ~c_req_up~0); 34475#L548-2 start_simulation_~kernel_st~0#1 := 3; 35430#L560 assume !(0 == ~e_f~0); 35427#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 35405#L565-1 assume !(0 == ~e_e~0); 35404#L570-1 assume !(0 == ~e_c~0); 35403#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 35401#L580-1 assume 1 == ~wl_pc~0; 35400#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 35393#L593 assume !(1 == ~c1_pc~0); 35356#L603 assume !(1 == ~c2_pc~0); 35352#L612 assume !(1 == ~wb_pc~0); 35348#L621 assume !(1 == ~e_c~0); 35345#L630-1 assume !(1 == ~e_e~0); 35341#L635-1 assume !(1 == ~e_f~0); 35339#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 35337#L645-1 assume !(1 == ~e_c~0); 35335#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 35334#L655-1 assume 0 == ~wl_st~0; 35333#L672-1 assume !false; 33943#L542 [2022-11-21 09:13:17,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:17,094 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 1 times [2022-11-21 09:13:17,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:17,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672940989] [2022-11-21 09:13:17,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:17,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:17,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:13:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:17,108 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:13:17,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:17,109 INFO L85 PathProgramCache]: Analyzing trace with hash 40699584, now seen corresponding path program 1 times [2022-11-21 09:13:17,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:17,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323677187] [2022-11-21 09:13:17,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:17,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:17,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:13:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:17,120 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:13:17,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:17,121 INFO L85 PathProgramCache]: Analyzing trace with hash 746346533, now seen corresponding path program 1 times [2022-11-21 09:13:17,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:17,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642112247] [2022-11-21 09:13:17,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:17,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:17,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:17,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:17,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:17,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642112247] [2022-11-21 09:13:17,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642112247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:17,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:17,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:13:17,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057141041] [2022-11-21 09:13:17,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:17,503 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:13:17,503 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:13:17,503 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:13:17,503 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:13:17,503 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 09:13:17,503 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:17,503 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:13:17,503 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:13:17,503 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration13_Loop [2022-11-21 09:13:17,503 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:13:17,503 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:13:17,505 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,508 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,510 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,515 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,517 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,520 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,523 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,525 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,530 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,532 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,534 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,537 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,546 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,548 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,553 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,558 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,560 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,562 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,564 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,567 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,569 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,573 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,576 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,578 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,580 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,582 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:17,819 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:13:17,819 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 09:13:17,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:17,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:17,820 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:17,827 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:17,827 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:17,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-21 09:13:17,855 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:17,855 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:17,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:17,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:17,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:17,861 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:17,867 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:17,867 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:17,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-21 09:13:17,891 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:17,891 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet4#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:17,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:17,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:17,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:17,896 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:17,905 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:17,905 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:17,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-21 09:13:17,927 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:17,927 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-8} Honda state: {~e_c~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:17,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-11-21 09:13:17,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:17,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:17,931 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:17,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-21 09:13:17,937 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:17,937 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:17,963 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:17,963 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp~0#1=4} Honda state: {ULTIMATE.start_eval_~tmp~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:17,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:17,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:17,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:17,968 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:17,972 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:17,972 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:17,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-21 09:13:17,999 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:17,999 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:18,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:18,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:18,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:18,004 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:18,008 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:18,008 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:18,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-21 09:13:18,040 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:18,041 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:18,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-11-21 09:13:18,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:18,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:18,045 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:18,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-21 09:13:18,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:18,048 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:18,066 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:13:18,066 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:13:18,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:18,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:18,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:18,072 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:18,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-21 09:13:18,077 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:13:18,078 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:18,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-21 09:13:18,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:18,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:18,093 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:18,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-21 09:13:18,096 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 09:13:18,096 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:13:18,113 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 09:13:18,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-11-21 09:13:18,116 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:13:18,116 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:13:18,116 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:13:18,116 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:13:18,116 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:13:18,116 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:18,116 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:13:18,116 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:13:18,116 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration13_Loop [2022-11-21 09:13:18,117 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:13:18,117 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:13:18,118 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,122 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,124 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,129 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,133 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,136 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,139 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,142 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,148 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,151 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,155 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,157 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,161 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,166 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,170 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,172 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,178 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,182 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,184 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,187 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,190 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,193 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,199 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,201 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,204 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,206 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,209 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:13:18,456 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:13:18,456 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:13:18,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:18,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:18,459 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:18,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:18,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:18,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:18,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:18,480 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 09:13:18,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:18,481 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:13:18,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:18,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-21 09:13:18,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:18,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:18,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:18,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:18,504 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:18,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:18,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:18,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:18,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:18,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:13:18,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:18,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-21 09:13:18,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:13:18,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:18,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:18,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:18,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:18,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:18,546 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:18,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:18,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:18,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:18,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:18,564 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 09:13:18,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:18,566 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:13:18,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:18,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-21 09:13:18,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:18,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:18,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:18,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:18,596 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:18,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:18,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:18,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:18,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:18,617 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 09:13:18,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:18,620 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:13:18,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:18,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-21 09:13:18,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:18,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-11-21 09:13:18,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:18,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:18,640 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:18,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-21 09:13:18,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:18,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:18,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:18,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:18,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:13:18,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:18,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:13:18,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:18,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:18,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:18,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:18,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:18,660 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:18,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-21 09:13:18,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:18,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:18,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:18,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:18,673 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 09:13:18,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:18,674 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:13:18,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:18,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:18,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:18,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:18,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:18,686 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:18,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-21 09:13:18,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:18,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:18,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:18,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:18,699 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 09:13:18,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:18,700 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:13:18,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:18,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:13:18,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:18,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:18,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:18,706 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:18,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-21 09:13:18,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:13:18,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:13:18,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:13:18,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:13:18,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:13:18,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:13:18,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:13:18,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:13:18,722 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 09:13:18,724 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-21 09:13:18,724 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-21 09:13:18,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:13:18,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:18,725 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:18,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-21 09:13:18,728 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 09:13:18,728 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 09:13:18,728 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 09:13:18,728 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~wl_pc~0) = -2*~wl_pc~0 + 1 Supporting invariants [] [2022-11-21 09:13:18,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:18,732 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 09:13:18,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:18,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:13:18,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:13:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:18,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 09:13:18,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:13:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:18,974 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-21 09:13:18,974 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2914 states and 4751 transitions. cyclomatic complexity: 1843 Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2022-11-21 09:13:19,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-11-21 09:13:19,104 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2914 states and 4751 transitions. cyclomatic complexity: 1843. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 8628 states and 14071 transitions. Complement of second has 7 states. [2022-11-21 09:13:19,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-21 09:13:19,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2022-11-21 09:13:19,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 207 transitions. [2022-11-21 09:13:19,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 207 transitions. Stem has 25 letters. Loop has 39 letters. [2022-11-21 09:13:19,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:13:19,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 207 transitions. Stem has 64 letters. Loop has 39 letters. [2022-11-21 09:13:19,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:13:19,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 207 transitions. Stem has 25 letters. Loop has 78 letters. [2022-11-21 09:13:19,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:13:19,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8628 states and 14071 transitions. [2022-11-21 09:13:19,147 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 3141 [2022-11-21 09:13:19,184 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8628 states to 8498 states and 13879 transitions. [2022-11-21 09:13:19,184 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3967 [2022-11-21 09:13:19,188 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3976 [2022-11-21 09:13:19,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8498 states and 13879 transitions. [2022-11-21 09:13:19,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:13:19,189 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8498 states and 13879 transitions. [2022-11-21 09:13:19,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8498 states and 13879 transitions. [2022-11-21 09:13:19,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8498 to 8239. [2022-11-21 09:13:19,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8239 states, 8239 states have (on average 1.6358781405510376) internal successors, (13478), 8238 states have internal predecessors, (13478), 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) [2022-11-21 09:13:19,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8239 states to 8239 states and 13478 transitions. [2022-11-21 09:13:19,340 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8239 states and 13478 transitions. [2022-11-21 09:13:19,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:13:19,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:13:19,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:13:19,341 INFO L87 Difference]: Start difference. First operand 8239 states and 13478 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2022-11-21 09:13:19,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:13:19,412 INFO L93 Difference]: Finished difference Result 12698 states and 20566 transitions. [2022-11-21 09:13:19,413 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12698 states and 20566 transitions. [2022-11-21 09:13:19,556 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 4978 [2022-11-21 09:13:19,597 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12698 states to 12698 states and 20566 transitions. [2022-11-21 09:13:19,597 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6011 [2022-11-21 09:13:19,603 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6011 [2022-11-21 09:13:19,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12698 states and 20566 transitions. [2022-11-21 09:13:19,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:13:19,604 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12698 states and 20566 transitions. [2022-11-21 09:13:19,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12698 states and 20566 transitions. [2022-11-21 09:13:19,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12698 to 12698. [2022-11-21 09:13:19,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12698 states, 12698 states have (on average 1.619625137816979) internal successors, (20566), 12697 states have internal predecessors, (20566), 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) [2022-11-21 09:13:19,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12698 states to 12698 states and 20566 transitions. [2022-11-21 09:13:19,946 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12698 states and 20566 transitions. [2022-11-21 09:13:19,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:13:19,947 INFO L428 stractBuchiCegarLoop]: Abstraction has 12698 states and 20566 transitions. [2022-11-21 09:13:19,947 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-11-21 09:13:19,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12698 states and 20566 transitions. [2022-11-21 09:13:20,042 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 4978 [2022-11-21 09:13:20,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:13:20,043 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:13:20,043 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] [2022-11-21 09:13:20,043 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:13:20,043 INFO L748 eck$LassoCheckResult]: Stem: 66057#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 65921#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 65922#L404 assume !(1 == ~c_req_up~0); 65984#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 65863#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 65864#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 66015#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 66016#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 66065#L435-1 assume !(0 == ~e_f~0); 66066#L440-1 assume !(0 == ~e_g~0); 65925#L445-1 assume !(0 == ~e_e~0); 65926#L450-1 assume !(0 == ~e_c~0); 65857#L455-1 assume !(0 == ~e_wl~0); 65858#L460-1 assume !(1 == ~wl_pc~0); 66099#L472 assume !(2 == ~wl_pc~0); 66062#L473 assume !(1 == ~c1_pc~0); 66037#L483 assume !(1 == ~c2_pc~0); 65828#L492 assume !(1 == ~wb_pc~0); 65924#L501 assume !(1 == ~e_c~0); 65955#L510-1 assume !(1 == ~e_e~0); 66082#L515-1 assume !(1 == ~e_f~0); 65825#L520-1 assume !(1 == ~e_g~0); 65826#L525-1 assume !(1 == ~e_c~0); 65927#L530-1 assume !(1 == ~e_wl~0); 66012#L672-1 assume !false; 69909#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 73535#L377 [2022-11-21 09:13:20,043 INFO L750 eck$LassoCheckResult]: Loop: 73535#L377 assume !false; 73864#L295 assume 0 == ~wl_st~0; 73863#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 73860#L321 assume !(0 != eval_~tmp~0#1); 73859#L317 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 73842#L336 assume !(0 != eval_~tmp___0~0#1); 73858#L332 assume !(0 == ~c2_st~0); 73873#L347 assume !(0 == ~wb_st~0); 73868#L362 assume !(0 == ~r_st~0); 73535#L377 [2022-11-21 09:13:20,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:20,044 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 1 times [2022-11-21 09:13:20,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:20,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980774943] [2022-11-21 09:13:20,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:20,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:20,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:13:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:20,077 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:13:20,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:20,078 INFO L85 PathProgramCache]: Analyzing trace with hash 910089250, now seen corresponding path program 1 times [2022-11-21 09:13:20,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:20,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943935524] [2022-11-21 09:13:20,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:20,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:20,082 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:13:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:20,085 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:13:20,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:20,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1807696598, now seen corresponding path program 1 times [2022-11-21 09:13:20,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:20,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620652252] [2022-11-21 09:13:20,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:20,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:20,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:20,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:20,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620652252] [2022-11-21 09:13:20,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620652252] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:20,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:20,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:13:20,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724408539] [2022-11-21 09:13:20,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:20,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:13:20,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:13:20,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:13:20,166 INFO L87 Difference]: Start difference. First operand 12698 states and 20566 transitions. cyclomatic complexity: 7907 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-11-21 09:13:20,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:13:20,315 INFO L93 Difference]: Finished difference Result 19288 states and 30770 transitions. [2022-11-21 09:13:20,315 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19288 states and 30770 transitions. [2022-11-21 09:13:20,397 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7836 [2022-11-21 09:13:20,466 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19288 states to 19288 states and 30770 transitions. [2022-11-21 09:13:20,466 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9280 [2022-11-21 09:13:20,476 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9280 [2022-11-21 09:13:20,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19288 states and 30770 transitions. [2022-11-21 09:13:20,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:13:20,477 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19288 states and 30770 transitions. [2022-11-21 09:13:20,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19288 states and 30770 transitions. [2022-11-21 09:13:20,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19288 to 19288. [2022-11-21 09:13:20,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19288 states, 19288 states have (on average 1.5952924097884695) internal successors, (30770), 19287 states have internal predecessors, (30770), 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) [2022-11-21 09:13:20,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19288 states to 19288 states and 30770 transitions. [2022-11-21 09:13:20,890 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19288 states and 30770 transitions. [2022-11-21 09:13:20,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:13:20,891 INFO L428 stractBuchiCegarLoop]: Abstraction has 19288 states and 30770 transitions. [2022-11-21 09:13:20,891 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-11-21 09:13:20,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19288 states and 30770 transitions. [2022-11-21 09:13:20,963 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7836 [2022-11-21 09:13:20,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:13:20,964 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:13:20,970 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] [2022-11-21 09:13:20,970 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:13:20,970 INFO L748 eck$LassoCheckResult]: Stem: 98062#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 97914#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 97915#L404 assume !(1 == ~c_req_up~0); 97976#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 97852#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 97853#L420-1 assume !(1 == ~c2_i~0);~c2_st~0 := 2; 98019#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 98020#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 98075#L435-1 assume !(0 == ~e_f~0); 98076#L440-1 assume !(0 == ~e_g~0); 97918#L445-1 assume !(0 == ~e_e~0); 97919#L450-1 assume !(0 == ~e_c~0); 97850#L455-1 assume !(0 == ~e_wl~0); 97851#L460-1 assume !(1 == ~wl_pc~0); 98117#L472 assume !(2 == ~wl_pc~0); 98118#L473 assume !(1 == ~c1_pc~0); 100588#L483 assume !(1 == ~c2_pc~0); 100586#L492 assume !(1 == ~wb_pc~0); 100584#L501 assume !(1 == ~e_c~0); 100583#L510-1 assume !(1 == ~e_e~0); 100582#L515-1 assume !(1 == ~e_f~0); 100581#L520-1 assume !(1 == ~e_g~0); 100580#L525-1 assume !(1 == ~e_c~0); 100579#L530-1 assume !(1 == ~e_wl~0); 100577#L672-1 assume !false; 100578#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 106067#L377 [2022-11-21 09:13:20,971 INFO L750 eck$LassoCheckResult]: Loop: 106067#L377 assume !false; 111539#L295 assume 0 == ~wl_st~0; 111536#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 111530#L321 assume !(0 != eval_~tmp~0#1); 111531#L317 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 112631#L336 assume !(0 != eval_~tmp___0~0#1); 111599#L332 assume !(0 == ~c2_st~0); 111563#L347 assume !(0 == ~wb_st~0); 111553#L362 assume !(0 == ~r_st~0); 106067#L377 [2022-11-21 09:13:20,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:20,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1246052603, now seen corresponding path program 1 times [2022-11-21 09:13:20,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:20,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662446150] [2022-11-21 09:13:20,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:20,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:21,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:21,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:21,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662446150] [2022-11-21 09:13:21,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662446150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:21,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:21,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:13:21,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794657404] [2022-11-21 09:13:21,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:21,027 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 09:13:21,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:21,027 INFO L85 PathProgramCache]: Analyzing trace with hash 910089250, now seen corresponding path program 2 times [2022-11-21 09:13:21,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:21,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734274769] [2022-11-21 09:13:21,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:21,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:21,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:13:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:21,036 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:13:21,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:13:21,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:13:21,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:13:21,094 INFO L87 Difference]: Start difference. First operand 19288 states and 30770 transitions. cyclomatic complexity: 11521 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:21,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:13:21,182 INFO L93 Difference]: Finished difference Result 19216 states and 30651 transitions. [2022-11-21 09:13:21,182 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19216 states and 30651 transitions. [2022-11-21 09:13:21,375 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7836 [2022-11-21 09:13:21,445 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19216 states to 19216 states and 30651 transitions. [2022-11-21 09:13:21,445 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9211 [2022-11-21 09:13:21,459 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9211 [2022-11-21 09:13:21,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19216 states and 30651 transitions. [2022-11-21 09:13:21,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:13:21,465 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19216 states and 30651 transitions. [2022-11-21 09:13:21,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19216 states and 30651 transitions. [2022-11-21 09:13:21,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19216 to 19216. [2022-11-21 09:13:21,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19216 states, 19216 states have (on average 1.5950770191507078) internal successors, (30651), 19215 states have internal predecessors, (30651), 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) [2022-11-21 09:13:21,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19216 states to 19216 states and 30651 transitions. [2022-11-21 09:13:21,805 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19216 states and 30651 transitions. [2022-11-21 09:13:21,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:13:21,806 INFO L428 stractBuchiCegarLoop]: Abstraction has 19216 states and 30651 transitions. [2022-11-21 09:13:21,806 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2022-11-21 09:13:21,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19216 states and 30651 transitions. [2022-11-21 09:13:21,943 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7836 [2022-11-21 09:13:21,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:13:21,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:13:21,945 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] [2022-11-21 09:13:21,945 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:13:21,946 INFO L748 eck$LassoCheckResult]: Stem: 136572#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 136426#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 136427#L404 assume !(1 == ~c_req_up~0); 136488#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 136367#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 136368#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 136525#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 136526#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 136580#L435-1 assume !(0 == ~e_f~0); 136581#L440-1 assume !(0 == ~e_g~0); 136430#L445-1 assume !(0 == ~e_e~0); 136431#L450-1 assume !(0 == ~e_c~0); 136361#L455-1 assume !(0 == ~e_wl~0); 136362#L460-1 assume !(1 == ~wl_pc~0); 136615#L472 assume !(2 == ~wl_pc~0); 136575#L473 assume !(1 == ~c1_pc~0); 136548#L483 assume !(1 == ~c2_pc~0); 136331#L492 assume !(1 == ~wb_pc~0); 136429#L501 assume !(1 == ~e_c~0); 136460#L510-1 assume !(1 == ~e_e~0); 136598#L515-1 assume !(1 == ~e_f~0); 136328#L520-1 assume !(1 == ~e_g~0); 136329#L525-1 assume !(1 == ~e_c~0); 136432#L530-1 assume !(1 == ~e_wl~0); 138556#L672-1 assume !false; 138557#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 145464#L377 [2022-11-21 09:13:21,946 INFO L750 eck$LassoCheckResult]: Loop: 145464#L377 assume !false; 145461#L295 assume 0 == ~wl_st~0; 145460#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 145458#L321 assume !(0 != eval_~tmp~0#1); 145459#L317 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 146072#L336 assume !(0 != eval_~tmp___0~0#1); 145481#L332 assume 0 == ~c2_st~0;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 145476#L351 assume !(0 != eval_~tmp___1~0#1); 145474#L347 assume !(0 == ~wb_st~0); 145469#L362 assume !(0 == ~r_st~0); 145464#L377 [2022-11-21 09:13:21,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:21,947 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 2 times [2022-11-21 09:13:21,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:21,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314052846] [2022-11-21 09:13:21,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:21,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:21,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:13:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:21,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:13:21,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:21,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1853655075, now seen corresponding path program 1 times [2022-11-21 09:13:21,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:21,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774727491] [2022-11-21 09:13:21,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:21,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:21,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:13:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:21,971 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:13:21,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:21,972 INFO L85 PathProgramCache]: Analyzing trace with hash -205670443, now seen corresponding path program 1 times [2022-11-21 09:13:21,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:21,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475713893] [2022-11-21 09:13:21,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:21,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:22,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:22,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:22,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475713893] [2022-11-21 09:13:22,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475713893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:22,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:22,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:13:22,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381318326] [2022-11-21 09:13:22,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:22,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:13:22,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:13:22,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:13:22,092 INFO L87 Difference]: Start difference. First operand 19216 states and 30651 transitions. cyclomatic complexity: 11474 Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2022-11-21 09:13:22,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:13:22,327 INFO L93 Difference]: Finished difference Result 31797 states and 49804 transitions. [2022-11-21 09:13:22,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31797 states and 49804 transitions. [2022-11-21 09:13:22,629 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 13278 [2022-11-21 09:13:22,789 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31797 states to 31797 states and 49804 transitions. [2022-11-21 09:13:22,789 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15347 [2022-11-21 09:13:22,804 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15347 [2022-11-21 09:13:22,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31797 states and 49804 transitions. [2022-11-21 09:13:22,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:13:22,805 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31797 states and 49804 transitions. [2022-11-21 09:13:22,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31797 states and 49804 transitions. [2022-11-21 09:13:23,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31797 to 31797. [2022-11-21 09:13:23,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31797 states, 31797 states have (on average 1.5663112872283549) internal successors, (49804), 31796 states have internal predecessors, (49804), 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) [2022-11-21 09:13:23,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31797 states to 31797 states and 49804 transitions. [2022-11-21 09:13:23,349 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31797 states and 49804 transitions. [2022-11-21 09:13:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:13:23,350 INFO L428 stractBuchiCegarLoop]: Abstraction has 31797 states and 49804 transitions. [2022-11-21 09:13:23,350 INFO L335 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2022-11-21 09:13:23,350 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31797 states and 49804 transitions. [2022-11-21 09:13:23,607 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 13278 [2022-11-21 09:13:23,607 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:13:23,607 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:13:23,607 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] [2022-11-21 09:13:23,608 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:13:23,608 INFO L748 eck$LassoCheckResult]: Stem: 187612#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 187452#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 187453#L404 assume !(1 == ~c_req_up~0); 187517#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 187384#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 187385#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 187555#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 187556#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 187625#L435-1 assume !(0 == ~e_f~0); 187626#L440-1 assume !(0 == ~e_g~0); 187456#L445-1 assume !(0 == ~e_e~0); 187457#L450-1 assume !(0 == ~e_c~0); 187382#L455-1 assume !(0 == ~e_wl~0); 187383#L460-1 assume !(1 == ~wl_pc~0); 187660#L472 assume !(2 == ~wl_pc~0); 187618#L473 assume !(1 == ~c1_pc~0); 187583#L483 assume !(1 == ~c2_pc~0); 187352#L492 assume !(1 == ~wb_pc~0); 187455#L501 assume !(1 == ~e_c~0); 187486#L510-1 assume !(1 == ~e_e~0); 187643#L515-1 assume !(1 == ~e_f~0); 187349#L520-1 assume !(1 == ~e_g~0); 187350#L525-1 assume !(1 == ~e_c~0); 187458#L530-1 assume !(1 == ~e_wl~0); 200554#L672-1 assume !false; 200555#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 204633#L377 [2022-11-21 09:13:23,608 INFO L750 eck$LassoCheckResult]: Loop: 204633#L377 assume !false; 218651#L295 assume 0 == ~wl_st~0; 218649#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 218646#L321 assume !(0 != eval_~tmp~0#1); 218644#L317 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 218624#L336 assume !(0 != eval_~tmp___0~0#1); 214315#L332 assume 0 == ~c2_st~0;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 214311#L351 assume !(0 != eval_~tmp___1~0#1); 214307#L347 assume 0 == ~wb_st~0;eval_~tmp___2~0#1 := eval_#t~nondet7#1;havoc eval_#t~nondet7#1; 214293#L366 assume !(0 != eval_~tmp___2~0#1); 214305#L362 assume !(0 == ~r_st~0); 204633#L377 [2022-11-21 09:13:23,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:23,609 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 3 times [2022-11-21 09:13:23,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:23,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093261831] [2022-11-21 09:13:23,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:23,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:23,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:13:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:23,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:13:23,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:23,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1628767882, now seen corresponding path program 1 times [2022-11-21 09:13:23,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:23,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751980959] [2022-11-21 09:13:23,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:23,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:23,633 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:13:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:23,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:13:23,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:23,639 INFO L85 PathProgramCache]: Analyzing trace with hash -2080851842, now seen corresponding path program 1 times [2022-11-21 09:13:23,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:23,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491456404] [2022-11-21 09:13:23,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:23,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:23,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:13:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:23,660 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:13:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:24,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:13:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:13:24,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 09:13:24 BoogieIcfgContainer [2022-11-21 09:13:24,932 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 09:13:24,932 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 09:13:24,932 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 09:13:24,933 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 09:13:24,933 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:13:07" (3/4) ... [2022-11-21 09:13:24,936 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-21 09:13:25,010 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 09:13:25,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 09:13:25,011 INFO L158 Benchmark]: Toolchain (without parser) took 18526.49ms. Allocated memory was 157.3MB in the beginning and 943.7MB in the end (delta: 786.4MB). Free memory was 126.5MB in the beginning and 668.3MB in the end (delta: -541.8MB). Peak memory consumption was 246.5MB. Max. memory is 16.1GB. [2022-11-21 09:13:25,011 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:13:25,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.00ms. Allocated memory is still 157.3MB. Free memory was 126.5MB in the beginning and 111.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 09:13:25,012 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.08ms. Allocated memory is still 157.3MB. Free memory was 111.8MB in the beginning and 109.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:13:25,012 INFO L158 Benchmark]: Boogie Preprocessor took 33.80ms. Allocated memory is still 157.3MB. Free memory was 109.7MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:13:25,013 INFO L158 Benchmark]: RCFGBuilder took 702.25ms. Allocated memory is still 157.3MB. Free memory was 106.8MB in the beginning and 83.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-21 09:13:25,013 INFO L158 Benchmark]: BuchiAutomizer took 17225.22ms. Allocated memory was 157.3MB in the beginning and 943.7MB in the end (delta: 786.4MB). Free memory was 83.8MB in the beginning and 673.5MB in the end (delta: -589.7MB). Peak memory consumption was 198.3MB. Max. memory is 16.1GB. [2022-11-21 09:13:25,014 INFO L158 Benchmark]: Witness Printer took 78.32ms. Allocated memory is still 943.7MB. Free memory was 673.5MB in the beginning and 668.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 09:13:25,015 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.00ms. Allocated memory is still 157.3MB. Free memory was 126.5MB in the beginning and 111.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.08ms. Allocated memory is still 157.3MB. Free memory was 111.8MB in the beginning and 109.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.80ms. Allocated memory is still 157.3MB. Free memory was 109.7MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 702.25ms. Allocated memory is still 157.3MB. Free memory was 106.8MB in the beginning and 83.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 17225.22ms. Allocated memory was 157.3MB in the beginning and 943.7MB in the end (delta: 786.4MB). Free memory was 83.8MB in the beginning and 673.5MB in the end (delta: -589.7MB). Peak memory consumption was 198.3MB. Max. memory is 16.1GB. * Witness Printer took 78.32ms. Allocated memory is still 943.7MB. Free memory was 673.5MB in the beginning and 668.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 20 terminating modules (16 trivial, 4 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * e_wl + 1 and consists of 3 locations. One deterministic module has affine ranking function -1 * e_wl + 1 and consists of 3 locations. One deterministic module has affine ranking function -1 * e_e + 1 and consists of 3 locations. One deterministic module has affine ranking function -2 * wl_pc + 1 and consists of 4 locations. 16 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 31797 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 17.1s and 17 iterations. TraceHistogramMax:2. Analysis of lassos took 9.8s. Construction of modules took 0.5s. Büchi inclusion checks took 5.4s. Highest rank in rank-based complementation 3. Minimization of det autom 9. Minimization of nondet autom 11. Automata minimization 2.3s AutomataMinimizationTime, 20 MinimizatonAttempts, 3125 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 1.3s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4666 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4662 mSDsluCounter, 8359 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3417 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 459 IncrementalHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 4942 mSDtfsCounter, 459 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc2 concLT2 SILN1 SILU0 SILI7 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital82 mio100 ax100 hnf100 lsp12 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq180 hnf100 smp100 dnf211 smp56 tf109 neg94 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 27 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 294]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L28] int c ; [L29] int c_t ; [L30] int c_req_up ; [L31] int p_in ; [L32] int p_out ; [L33] int wl_st ; [L34] int c1_st ; [L35] int c2_st ; [L36] int wb_st ; [L37] int r_st ; [L38] int wl_i ; [L39] int c1_i ; [L40] int c2_i ; [L41] int wb_i ; [L42] int r_i ; [L43] int wl_pc ; [L44] int c1_pc ; [L45] int c2_pc ; [L46] int wb_pc ; [L47] int e_e ; [L48] int e_f ; [L49] int e_g ; [L50] int e_c ; [L51] int e_p_in ; [L52] int e_wl ; [L58] int d ; [L59] int data ; [L60] int processed ; [L61] static int t_b ; VAL [c=0, c1_i=0, c1_pc=0, c1_st=0, c2_i=0, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=0, e_e=0, e_f=0, e_g=0, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=0, wb_pc=0, wb_st=0, wl_i=0, wl_pc=0, wl_st=0] [L689] int __retres1 ; [L693] e_wl = 2 [L694] e_c = e_wl [L695] e_g = e_c [L696] e_f = e_g [L697] e_e = e_f [L698] wl_pc = 0 [L699] c1_pc = 0 [L700] c2_pc = 0 [L701] wb_pc = 0 [L702] wb_i = 1 [L703] c2_i = wb_i [L704] c1_i = c2_i [L705] wl_i = c1_i [L706] r_i = 0 [L707] c_req_up = 0 [L708] d = 0 [L709] c = 0 [L710] CALL start_simulation() [L400] int kernel_st ; [L403] kernel_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L404] COND FALSE !((int )c_req_up == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L415] COND TRUE (int )wl_i == 1 [L416] wl_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L420] COND TRUE (int )c1_i == 1 [L421] c1_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L425] COND TRUE (int )c2_i == 1 [L426] c2_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L430] COND TRUE (int )wb_i == 1 [L431] wb_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L435] COND FALSE !((int )r_i == 1) [L438] r_st = 2 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L440] COND FALSE !((int )e_f == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L445] COND FALSE !((int )e_g == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L450] COND FALSE !((int )e_e == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L455] COND FALSE !((int )e_c == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L460] COND FALSE !((int )e_wl == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L465] COND FALSE !((int )wl_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L473] COND FALSE !((int )wl_pc == 2) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L483] COND FALSE !((int )c1_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L492] COND FALSE !((int )c2_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L501] COND FALSE !((int )wb_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L510] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L515] COND FALSE !((int )e_e == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L520] COND FALSE !((int )e_f == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L525] COND FALSE !((int )e_g == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L530] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L535] COND FALSE !((int )e_wl == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L541] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L544] kernel_st = 1 [L545] CALL eval() [L286] int tmp ; [L287] int tmp___0 ; [L288] int tmp___1 ; [L289] int tmp___2 ; [L290] int tmp___3 ; VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] Loop: [L294] COND TRUE 1 [L296] COND TRUE (int )wl_st == 0 [L317] COND TRUE (int )wl_st == 0 [L319] tmp = __VERIFIER_nondet_int() [L321] COND FALSE !(\read(tmp)) [L332] COND TRUE (int )c1_st == 0 [L334] tmp___0 = __VERIFIER_nondet_int() [L336] COND FALSE !(\read(tmp___0)) [L347] COND TRUE (int )c2_st == 0 [L349] tmp___1 = __VERIFIER_nondet_int() [L351] COND FALSE !(\read(tmp___1)) [L362] COND TRUE (int )wb_st == 0 [L364] tmp___2 = __VERIFIER_nondet_int() [L366] COND FALSE !(\read(tmp___2)) [L377] COND FALSE !((int )r_st == 0) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 294]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L28] int c ; [L29] int c_t ; [L30] int c_req_up ; [L31] int p_in ; [L32] int p_out ; [L33] int wl_st ; [L34] int c1_st ; [L35] int c2_st ; [L36] int wb_st ; [L37] int r_st ; [L38] int wl_i ; [L39] int c1_i ; [L40] int c2_i ; [L41] int wb_i ; [L42] int r_i ; [L43] int wl_pc ; [L44] int c1_pc ; [L45] int c2_pc ; [L46] int wb_pc ; [L47] int e_e ; [L48] int e_f ; [L49] int e_g ; [L50] int e_c ; [L51] int e_p_in ; [L52] int e_wl ; [L58] int d ; [L59] int data ; [L60] int processed ; [L61] static int t_b ; VAL [c=0, c1_i=0, c1_pc=0, c1_st=0, c2_i=0, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=0, e_e=0, e_f=0, e_g=0, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=0, wb_pc=0, wb_st=0, wl_i=0, wl_pc=0, wl_st=0] [L689] int __retres1 ; [L693] e_wl = 2 [L694] e_c = e_wl [L695] e_g = e_c [L696] e_f = e_g [L697] e_e = e_f [L698] wl_pc = 0 [L699] c1_pc = 0 [L700] c2_pc = 0 [L701] wb_pc = 0 [L702] wb_i = 1 [L703] c2_i = wb_i [L704] c1_i = c2_i [L705] wl_i = c1_i [L706] r_i = 0 [L707] c_req_up = 0 [L708] d = 0 [L709] c = 0 [L710] CALL start_simulation() [L400] int kernel_st ; [L403] kernel_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L404] COND FALSE !((int )c_req_up == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L415] COND TRUE (int )wl_i == 1 [L416] wl_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L420] COND TRUE (int )c1_i == 1 [L421] c1_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L425] COND TRUE (int )c2_i == 1 [L426] c2_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L430] COND TRUE (int )wb_i == 1 [L431] wb_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L435] COND FALSE !((int )r_i == 1) [L438] r_st = 2 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L440] COND FALSE !((int )e_f == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L445] COND FALSE !((int )e_g == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L450] COND FALSE !((int )e_e == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L455] COND FALSE !((int )e_c == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L460] COND FALSE !((int )e_wl == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L465] COND FALSE !((int )wl_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L473] COND FALSE !((int )wl_pc == 2) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L483] COND FALSE !((int )c1_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L492] COND FALSE !((int )c2_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L501] COND FALSE !((int )wb_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L510] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L515] COND FALSE !((int )e_e == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L520] COND FALSE !((int )e_f == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L525] COND FALSE !((int )e_g == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L530] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L535] COND FALSE !((int )e_wl == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L541] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L544] kernel_st = 1 [L545] CALL eval() [L286] int tmp ; [L287] int tmp___0 ; [L288] int tmp___1 ; [L289] int tmp___2 ; [L290] int tmp___3 ; VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] Loop: [L294] COND TRUE 1 [L296] COND TRUE (int )wl_st == 0 [L317] COND TRUE (int )wl_st == 0 [L319] tmp = __VERIFIER_nondet_int() [L321] COND FALSE !(\read(tmp)) [L332] COND TRUE (int )c1_st == 0 [L334] tmp___0 = __VERIFIER_nondet_int() [L336] COND FALSE !(\read(tmp___0)) [L347] COND TRUE (int )c2_st == 0 [L349] tmp___1 = __VERIFIER_nondet_int() [L351] COND FALSE !(\read(tmp___1)) [L362] COND TRUE (int )wb_st == 0 [L364] tmp___2 = __VERIFIER_nondet_int() [L366] COND FALSE !(\read(tmp___2)) [L377] COND FALSE !((int )r_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 09:13:25,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e942a2-4d3a-4691-a92a-57bb4a64b1ad/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)