./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/toy1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy1.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8 --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 c40ed6d21fe4d61cae011269f1fdb95d05149cea0f3470f42c6e8f2fc8fb0d6a --- 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-2329fc7 [2022-12-13 11:42:33,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:42:33,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:42:33,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:42:33,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:42:33,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:42:33,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:42:33,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:42:33,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:42:33,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:42:33,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:42:33,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:42:33,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:42:33,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:42:33,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:42:33,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:42:33,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:42:33,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:42:33,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:42:33,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:42:33,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:42:33,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:42:33,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:42:33,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:42:33,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:42:33,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:42:33,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:42:33,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:42:33,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:42:33,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:42:33,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:42:33,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:42:33,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:42:33,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:42:33,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:42:33,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:42:33,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:42:33,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:42:33,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:42:33,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:42:33,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:42:33,592 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 11:42:33,614 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:42:33,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:42:33,615 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:42:33,615 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:42:33,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:42:33,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:42:33,616 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:42:33,616 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 11:42:33,617 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 11:42:33,617 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 11:42:33,617 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 11:42:33,617 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 11:42:33,617 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 11:42:33,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:42:33,618 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:42:33,618 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:42:33,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:42:33,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:42:33,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:42:33,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 11:42:33,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 11:42:33,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 11:42:33,619 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:42:33,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:42:33,620 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 11:42:33,620 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:42:33,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 11:42:33,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:42:33,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:42:33,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:42:33,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:42:33,622 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 11:42:33,622 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_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c40ed6d21fe4d61cae011269f1fdb95d05149cea0f3470f42c6e8f2fc8fb0d6a [2022-12-13 11:42:33,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:42:33,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:42:33,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:42:33,836 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:42:33,836 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:42:33,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/systemc/toy1.cil.c [2022-12-13 11:42:36,434 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:42:36,560 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:42:36,561 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/sv-benchmarks/c/systemc/toy1.cil.c [2022-12-13 11:42:36,567 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/data/3e3aa1610/8e2dcd01bffc48a7baca615dc48736b7/FLAG82b2518fc [2022-12-13 11:42:36,577 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/data/3e3aa1610/8e2dcd01bffc48a7baca615dc48736b7 [2022-12-13 11:42:36,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:42:36,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:42:36,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:42:36,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:42:36,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:42:36,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:42:36" (1/1) ... [2022-12-13 11:42:36,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@586b8e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:36, skipping insertion in model container [2022-12-13 11:42:36,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:42:36" (1/1) ... [2022-12-13 11:42:36,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:42:36,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:42:36,710 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_1481f28d-db33-4edd-9125-8d14fb9e85bd/sv-benchmarks/c/systemc/toy1.cil.c[698,711] [2022-12-13 11:42:36,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:42:36,758 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:42:36,766 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_1481f28d-db33-4edd-9125-8d14fb9e85bd/sv-benchmarks/c/systemc/toy1.cil.c[698,711] [2022-12-13 11:42:36,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:42:36,800 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:42:36,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:36 WrapperNode [2022-12-13 11:42:36,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:42:36,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:42:36,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:42:36,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:42:36,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:36" (1/1) ... [2022-12-13 11:42:36,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:36" (1/1) ... [2022-12-13 11:42:36,830 INFO L138 Inliner]: procedures = 20, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 363 [2022-12-13 11:42:36,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:42:36,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:42:36,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:42:36,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:42:36,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:36" (1/1) ... [2022-12-13 11:42:36,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:36" (1/1) ... [2022-12-13 11:42:36,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:36" (1/1) ... [2022-12-13 11:42:36,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:36" (1/1) ... [2022-12-13 11:42:36,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:36" (1/1) ... [2022-12-13 11:42:36,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:36" (1/1) ... [2022-12-13 11:42:36,849 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:36" (1/1) ... [2022-12-13 11:42:36,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:36" (1/1) ... [2022-12-13 11:42:36,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:42:36,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:42:36,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:42:36,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:42:36,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:36" (1/1) ... [2022-12-13 11:42:36,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:36,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:36,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:36,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 11:42:36,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:42:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:42:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:42:36,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:42:36,989 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:42:36,990 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:42:37,342 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:42:37,349 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:42:37,349 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-13 11:42:37,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:42:37 BoogieIcfgContainer [2022-12-13 11:42:37,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:42:37,353 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 11:42:37,353 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 11:42:37,356 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 11:42:37,357 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:42:37,357 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 11:42:36" (1/3) ... [2022-12-13 11:42:37,358 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d2f7b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:42:37, skipping insertion in model container [2022-12-13 11:42:37,358 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:42:37,358 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:36" (2/3) ... [2022-12-13 11:42:37,359 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d2f7b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:42:37, skipping insertion in model container [2022-12-13 11:42:37,359 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:42:37,359 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:42:37" (3/3) ... [2022-12-13 11:42:37,360 INFO L332 chiAutomizerObserver]: Analyzing ICFG toy1.cil.c [2022-12-13 11:42:37,415 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 11:42:37,416 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 11:42:37,416 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 11:42:37,416 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 11:42:37,416 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 11:42:37,416 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 11:42:37,416 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 11:42:37,416 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 11:42:37,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 134 states, 133 states have (on average 1.8195488721804511) internal successors, (242), 133 states have internal predecessors, (242), 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) [2022-12-13 11:42:37,453 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 99 [2022-12-13 11:42:37,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:42:37,453 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:42:37,461 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] [2022-12-13 11:42:37,461 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] [2022-12-13 11:42:37,461 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 11:42:37,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 134 states, 133 states have (on average 1.8195488721804511) internal successors, (242), 133 states have internal predecessors, (242), 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) [2022-12-13 11:42:37,468 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 99 [2022-12-13 11:42:37,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:42:37,468 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:42:37,469 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] [2022-12-13 11:42:37,470 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] [2022-12-13 11:42:37,483 INFO L748 eck$LassoCheckResult]: Stem: 28#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 46#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 19#L416true assume !(1 == ~c_req_up~0); 114#L416-2true assume !(1 == ~wl_i~0);~wl_st~0 := 2; 62#L427-1true assume !(1 == ~c1_i~0);~c1_st~0 := 2; 72#L432-1true assume 1 == ~c2_i~0;~c2_st~0 := 0; 31#L437-1true assume !(1 == ~wb_i~0);~wb_st~0 := 2; 45#L442-1true assume !(1 == ~r_i~0);~r_st~0 := 2; 110#L447-1true assume !(0 == ~e_f~0); 34#L452-1true assume !(0 == ~e_g~0); 8#L457-1true assume !(0 == ~e_e~0); 122#L462-1true assume !(0 == ~e_c~0); 23#L467-1true assume !(0 == ~e_wl~0); 101#L472-1true assume !(1 == ~wl_pc~0); 98#$Ultimate##44true assume !(2 == ~wl_pc~0); 93#L485true assume !(1 == ~c1_pc~0); 24#L495true assume !(1 == ~c2_pc~0); 75#L504true assume !(1 == ~wb_pc~0); 97#L513true assume !(1 == ~e_c~0); 15#L522-1true assume !(1 == ~e_e~0); 107#L527-1true assume !(1 == ~e_f~0); 36#L532-1true assume !(1 == ~e_g~0); 83#L537-1true assume !(1 == ~e_c~0); 54#L542-1true assume !(1 == ~e_wl~0); 104#L684-1true [2022-12-13 11:42:37,483 INFO L750 eck$LassoCheckResult]: Loop: 104#L684-1true assume !false; 134#L554true start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 17#L389true assume false; 81#eval_returnLabel#1true assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 22#L560true assume !(1 == ~c_req_up~0); 100#L560-2true start_simulation_~kernel_st~0#1 := 3; 111#L572true assume 0 == ~e_f~0;~e_f~0 := 1; 21#L572-2true assume 0 == ~e_g~0;~e_g~0 := 1; 49#L577-1true assume !(0 == ~e_e~0); 32#L582-1true assume 0 == ~e_c~0;~e_c~0 := 1; 42#L587-1true assume 0 == ~e_wl~0;~e_wl~0 := 1; 55#L592-1true assume !(1 == ~wl_pc~0); 41#$Ultimate##257true assume !(2 == ~wl_pc~0); 56#L605true assume !(1 == ~c1_pc~0); 7#L615true assume !(1 == ~c2_pc~0); 47#L624true assume !(1 == ~wb_pc~0); 128#L633true assume 1 == ~e_c~0;~r_st~0 := 0; 87#L642-1true assume 1 == ~e_e~0;~e_e~0 := 2; 25#L647-1true assume 1 == ~e_f~0;~e_f~0 := 2; 10#L652-1true assume !(1 == ~e_g~0); 88#L657-1true assume 1 == ~e_c~0;~e_c~0 := 2; 79#L662-1true assume 1 == ~e_wl~0;~e_wl~0 := 2; 105#L667-1true assume 0 == ~wl_st~0; 104#L684-1true [2022-12-13 11:42:37,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:37,489 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2022-12-13 11:42:37,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:37,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446262305] [2022-12-13 11:42:37,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:37,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:37,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:37,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:37,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446262305] [2022-12-13 11:42:37,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446262305] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:37,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:37,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:37,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622761239] [2022-12-13 11:42:37,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:37,740 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 11:42:37,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:37,741 INFO L85 PathProgramCache]: Analyzing trace with hash -696614142, now seen corresponding path program 1 times [2022-12-13 11:42:37,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:37,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480657447] [2022-12-13 11:42:37,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:37,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:37,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:37,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:37,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480657447] [2022-12-13 11:42:37,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480657447] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:37,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:37,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:42:37,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242390034] [2022-12-13 11:42:37,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:37,764 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 11:42:37,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:37,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 11:42:37,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:42:37,794 INFO L87 Difference]: Start difference. First operand has 134 states, 133 states have (on average 1.8195488721804511) internal successors, (242), 133 states have internal predecessors, (242), 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) [2022-12-13 11:42:37,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:37,812 INFO L93 Difference]: Finished difference Result 132 states and 226 transitions. [2022-12-13 11:42:37,813 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 132 states and 226 transitions. [2022-12-13 11:42:37,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-12-13 11:42:37,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 132 states to 126 states and 220 transitions. [2022-12-13 11:42:37,823 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126 [2022-12-13 11:42:37,824 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2022-12-13 11:42:37,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 220 transitions. [2022-12-13 11:42:37,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:42:37,825 INFO L218 hiAutomatonCegarLoop]: Abstraction has 126 states and 220 transitions. [2022-12-13 11:42:37,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states and 220 transitions. [2022-12-13 11:42:37,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2022-12-13 11:42:37,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.746031746031746) internal successors, (220), 125 states have internal predecessors, (220), 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) [2022-12-13 11:42:37,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 220 transitions. [2022-12-13 11:42:37,854 INFO L240 hiAutomatonCegarLoop]: Abstraction has 126 states and 220 transitions. [2022-12-13 11:42:37,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 11:42:37,857 INFO L428 stractBuchiCegarLoop]: Abstraction has 126 states and 220 transitions. [2022-12-13 11:42:37,858 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 11:42:37,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 220 transitions. [2022-12-13 11:42:37,860 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-12-13 11:42:37,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:42:37,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:42:37,861 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] [2022-12-13 11:42:37,861 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] [2022-12-13 11:42:37,862 INFO L748 eck$LassoCheckResult]: Stem: 327#$Ultimate##0 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; 328#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; 307#L416 assume !(1 == ~c_req_up~0); 309#L416-2 assume !(1 == ~wl_i~0);~wl_st~0 := 2; 370#L427-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 371#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 334#L437-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 335#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 354#L447-1 assume !(0 == ~e_f~0); 340#L452-1 assume !(0 == ~e_g~0); 287#L457-1 assume !(0 == ~e_e~0); 288#L462-1 assume !(0 == ~e_c~0); 317#L467-1 assume !(0 == ~e_wl~0); 318#L472-1 assume !(1 == ~wl_pc~0); 393#$Ultimate##44 assume !(2 == ~wl_pc~0); 391#L485 assume !(1 == ~c1_pc~0); 319#L495 assume !(1 == ~c2_pc~0); 321#L504 assume !(1 == ~wb_pc~0); 380#L513 assume !(1 == ~e_c~0); 298#L522-1 assume !(1 == ~e_e~0); 299#L527-1 assume !(1 == ~e_f~0); 341#L532-1 assume !(1 == ~e_g~0); 342#L537-1 assume !(1 == ~e_c~0); 364#L542-1 assume !(1 == ~e_wl~0); 278#L684-1 [2022-12-13 11:42:37,862 INFO L750 eck$LassoCheckResult]: Loop: 278#L684-1 assume !false; 397#L554 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; 303#L389 assume !false; 304#L307 assume !(0 == ~wl_st~0); 359#L311 assume !(0 == ~c1_st~0); 360#L314 assume !(0 == ~c2_st~0); 279#L317 assume !(0 == ~wb_st~0); 281#L320 assume !(0 == ~r_st~0); 384#eval_returnLabel#1 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 314#L560 assume !(1 == ~c_req_up~0); 316#L560-2 start_simulation_~kernel_st~0#1 := 3; 395#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 312#L572-2 assume 0 == ~e_g~0;~e_g~0 := 1; 313#L577-1 assume !(0 == ~e_e~0); 336#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 337#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 351#L592-1 assume 1 == ~wl_pc~0; 365#L598 assume 1 == ~e_wl~0;~wl_st~0 := 0; 306#L605 assume !(1 == ~c1_pc~0); 284#L615 assume !(1 == ~c2_pc~0); 286#L624 assume !(1 == ~wb_pc~0); 356#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 388#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 322#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 291#L652-1 assume !(1 == ~e_g~0); 292#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 385#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 386#L667-1 assume 0 == ~wl_st~0; 278#L684-1 [2022-12-13 11:42:37,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:37,863 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2022-12-13 11:42:37,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:37,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056253988] [2022-12-13 11:42:37,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:37,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:37,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:37,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:37,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056253988] [2022-12-13 11:42:37,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056253988] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:37,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:37,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:37,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048362919] [2022-12-13 11:42:37,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:37,936 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 11:42:37,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:37,937 INFO L85 PathProgramCache]: Analyzing trace with hash 883328051, now seen corresponding path program 1 times [2022-12-13 11:42:37,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:37,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575903323] [2022-12-13 11:42:37,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:37,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:37,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:37,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:37,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575903323] [2022-12-13 11:42:37,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575903323] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:37,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:37,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:37,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947412087] [2022-12-13 11:42:37,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:37,970 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 11:42:37,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:37,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:37,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:37,971 INFO L87 Difference]: Start difference. First operand 126 states and 220 transitions. cyclomatic complexity: 95 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) [2022-12-13 11:42:37,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:37,990 INFO L93 Difference]: Finished difference Result 126 states and 219 transitions. [2022-12-13 11:42:37,990 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 219 transitions. [2022-12-13 11:42:37,992 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-12-13 11:42:37,993 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 126 states and 219 transitions. [2022-12-13 11:42:37,993 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126 [2022-12-13 11:42:37,993 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2022-12-13 11:42:37,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 219 transitions. [2022-12-13 11:42:37,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:42:37,994 INFO L218 hiAutomatonCegarLoop]: Abstraction has 126 states and 219 transitions. [2022-12-13 11:42:37,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states and 219 transitions. [2022-12-13 11:42:37,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2022-12-13 11:42:38,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.7380952380952381) internal successors, (219), 125 states have internal predecessors, (219), 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) [2022-12-13 11:42:38,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 219 transitions. [2022-12-13 11:42:38,001 INFO L240 hiAutomatonCegarLoop]: Abstraction has 126 states and 219 transitions. [2022-12-13 11:42:38,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:38,002 INFO L428 stractBuchiCegarLoop]: Abstraction has 126 states and 219 transitions. [2022-12-13 11:42:38,002 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 11:42:38,002 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 219 transitions. [2022-12-13 11:42:38,003 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-12-13 11:42:38,003 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:42:38,003 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:42:38,004 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] [2022-12-13 11:42:38,004 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] [2022-12-13 11:42:38,004 INFO L748 eck$LassoCheckResult]: Stem: 586#$Ultimate##0 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; 587#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; 566#L416 assume !(1 == ~c_req_up~0); 568#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 629#L427-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 630#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 593#L437-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 594#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 613#L447-1 assume !(0 == ~e_f~0); 599#L452-1 assume !(0 == ~e_g~0); 546#L457-1 assume !(0 == ~e_e~0); 547#L462-1 assume !(0 == ~e_c~0); 576#L467-1 assume !(0 == ~e_wl~0); 577#L472-1 assume !(1 == ~wl_pc~0); 652#$Ultimate##44 assume !(2 == ~wl_pc~0); 650#L485 assume !(1 == ~c1_pc~0); 578#L495 assume !(1 == ~c2_pc~0); 580#L504 assume !(1 == ~wb_pc~0); 639#L513 assume !(1 == ~e_c~0); 557#L522-1 assume !(1 == ~e_e~0); 558#L527-1 assume !(1 == ~e_f~0); 600#L532-1 assume !(1 == ~e_g~0); 601#L537-1 assume !(1 == ~e_c~0); 623#L542-1 assume !(1 == ~e_wl~0); 537#L684-1 [2022-12-13 11:42:38,005 INFO L750 eck$LassoCheckResult]: Loop: 537#L684-1 assume !false; 656#L554 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; 562#L389 assume !false; 563#L307 assume !(0 == ~wl_st~0); 618#L311 assume !(0 == ~c1_st~0); 619#L314 assume !(0 == ~c2_st~0); 538#L317 assume !(0 == ~wb_st~0); 540#L320 assume !(0 == ~r_st~0); 643#eval_returnLabel#1 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 573#L560 assume !(1 == ~c_req_up~0); 575#L560-2 start_simulation_~kernel_st~0#1 := 3; 654#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 571#L572-2 assume 0 == ~e_g~0;~e_g~0 := 1; 572#L577-1 assume !(0 == ~e_e~0); 595#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 596#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 610#L592-1 assume 1 == ~wl_pc~0; 624#L598 assume 1 == ~e_wl~0;~wl_st~0 := 0; 565#L605 assume !(1 == ~c1_pc~0); 543#L615 assume !(1 == ~c2_pc~0); 545#L624 assume !(1 == ~wb_pc~0); 615#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 647#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 581#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 550#L652-1 assume !(1 == ~e_g~0); 551#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 644#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 645#L667-1 assume 0 == ~wl_st~0; 537#L684-1 [2022-12-13 11:42:38,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:38,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1738779219, now seen corresponding path program 1 times [2022-12-13 11:42:38,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:38,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242445261] [2022-12-13 11:42:38,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:38,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:38,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:38,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:38,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242445261] [2022-12-13 11:42:38,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242445261] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:38,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:38,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:38,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573607539] [2022-12-13 11:42:38,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:38,049 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 11:42:38,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:38,050 INFO L85 PathProgramCache]: Analyzing trace with hash 883328051, now seen corresponding path program 2 times [2022-12-13 11:42:38,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:38,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886487799] [2022-12-13 11:42:38,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:38,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:38,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:38,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:38,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886487799] [2022-12-13 11:42:38,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886487799] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:38,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:38,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:38,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952323363] [2022-12-13 11:42:38,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:38,076 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 11:42:38,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:38,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:38,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:38,077 INFO L87 Difference]: Start difference. First operand 126 states and 219 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) [2022-12-13 11:42:38,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:38,088 INFO L93 Difference]: Finished difference Result 126 states and 218 transitions. [2022-12-13 11:42:38,088 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 218 transitions. [2022-12-13 11:42:38,090 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-12-13 11:42:38,091 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 126 states and 218 transitions. [2022-12-13 11:42:38,091 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126 [2022-12-13 11:42:38,091 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2022-12-13 11:42:38,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 218 transitions. [2022-12-13 11:42:38,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:42:38,092 INFO L218 hiAutomatonCegarLoop]: Abstraction has 126 states and 218 transitions. [2022-12-13 11:42:38,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states and 218 transitions. [2022-12-13 11:42:38,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2022-12-13 11:42:38,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.7301587301587302) internal successors, (218), 125 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:42:38,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 218 transitions. [2022-12-13 11:42:38,098 INFO L240 hiAutomatonCegarLoop]: Abstraction has 126 states and 218 transitions. [2022-12-13 11:42:38,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:38,099 INFO L428 stractBuchiCegarLoop]: Abstraction has 126 states and 218 transitions. [2022-12-13 11:42:38,099 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 11:42:38,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 218 transitions. [2022-12-13 11:42:38,100 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-12-13 11:42:38,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:42:38,100 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:42:38,101 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] [2022-12-13 11:42:38,101 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] [2022-12-13 11:42:38,101 INFO L748 eck$LassoCheckResult]: Stem: 845#$Ultimate##0 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; 846#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; 825#L416 assume !(1 == ~c_req_up~0); 827#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 888#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 889#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 854#L437-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 855#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 872#L447-1 assume !(0 == ~e_f~0); 858#L452-1 assume !(0 == ~e_g~0); 805#L457-1 assume !(0 == ~e_e~0); 806#L462-1 assume !(0 == ~e_c~0); 835#L467-1 assume !(0 == ~e_wl~0); 836#L472-1 assume !(1 == ~wl_pc~0); 911#$Ultimate##44 assume !(2 == ~wl_pc~0); 909#L485 assume !(1 == ~c1_pc~0); 837#L495 assume !(1 == ~c2_pc~0); 839#L504 assume !(1 == ~wb_pc~0); 898#L513 assume !(1 == ~e_c~0); 816#L522-1 assume !(1 == ~e_e~0); 817#L527-1 assume !(1 == ~e_f~0); 859#L532-1 assume !(1 == ~e_g~0); 860#L537-1 assume !(1 == ~e_c~0); 882#L542-1 assume !(1 == ~e_wl~0); 796#L684-1 [2022-12-13 11:42:38,102 INFO L750 eck$LassoCheckResult]: Loop: 796#L684-1 assume !false; 915#L554 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; 821#L389 assume !false; 822#L307 assume !(0 == ~wl_st~0); 877#L311 assume !(0 == ~c1_st~0); 878#L314 assume !(0 == ~c2_st~0); 797#L317 assume !(0 == ~wb_st~0); 799#L320 assume !(0 == ~r_st~0); 902#eval_returnLabel#1 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 832#L560 assume !(1 == ~c_req_up~0); 834#L560-2 start_simulation_~kernel_st~0#1 := 3; 913#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 830#L572-2 assume 0 == ~e_g~0;~e_g~0 := 1; 831#L577-1 assume !(0 == ~e_e~0); 852#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 853#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 869#L592-1 assume 1 == ~wl_pc~0; 883#L598 assume 1 == ~e_wl~0;~wl_st~0 := 0; 824#L605 assume !(1 == ~c1_pc~0); 802#L615 assume !(1 == ~c2_pc~0); 804#L624 assume !(1 == ~wb_pc~0); 874#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 906#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 840#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 809#L652-1 assume !(1 == ~e_g~0); 810#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 903#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 904#L667-1 assume 0 == ~wl_st~0; 796#L684-1 [2022-12-13 11:42:38,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:38,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1738539627, now seen corresponding path program 1 times [2022-12-13 11:42:38,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:38,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127103655] [2022-12-13 11:42:38,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:38,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:38,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:38,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:38,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127103655] [2022-12-13 11:42:38,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127103655] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:38,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:38,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:38,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106162332] [2022-12-13 11:42:38,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:38,128 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 11:42:38,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:38,129 INFO L85 PathProgramCache]: Analyzing trace with hash 883328051, now seen corresponding path program 3 times [2022-12-13 11:42:38,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:38,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605144649] [2022-12-13 11:42:38,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:38,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:38,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:38,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605144649] [2022-12-13 11:42:38,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605144649] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:38,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:38,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:38,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195416476] [2022-12-13 11:42:38,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:38,152 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 11:42:38,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:38,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:38,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:38,153 INFO L87 Difference]: Start difference. First operand 126 states and 218 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) [2022-12-13 11:42:38,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:38,169 INFO L93 Difference]: Finished difference Result 126 states and 217 transitions. [2022-12-13 11:42:38,169 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 217 transitions. [2022-12-13 11:42:38,171 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-12-13 11:42:38,172 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 126 states and 217 transitions. [2022-12-13 11:42:38,172 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126 [2022-12-13 11:42:38,172 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2022-12-13 11:42:38,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 217 transitions. [2022-12-13 11:42:38,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:42:38,173 INFO L218 hiAutomatonCegarLoop]: Abstraction has 126 states and 217 transitions. [2022-12-13 11:42:38,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states and 217 transitions. [2022-12-13 11:42:38,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2022-12-13 11:42:38,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.7222222222222223) internal successors, (217), 125 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) [2022-12-13 11:42:38,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 217 transitions. [2022-12-13 11:42:38,178 INFO L240 hiAutomatonCegarLoop]: Abstraction has 126 states and 217 transitions. [2022-12-13 11:42:38,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:38,179 INFO L428 stractBuchiCegarLoop]: Abstraction has 126 states and 217 transitions. [2022-12-13 11:42:38,179 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 11:42:38,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 217 transitions. [2022-12-13 11:42:38,180 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-12-13 11:42:38,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:42:38,181 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:42:38,181 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] [2022-12-13 11:42:38,182 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] [2022-12-13 11:42:38,182 INFO L748 eck$LassoCheckResult]: Stem: 1104#$Ultimate##0 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; 1105#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; 1084#L416 assume !(1 == ~c_req_up~0); 1086#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1147#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1148#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1113#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1114#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1131#L447-1 assume !(0 == ~e_f~0); 1117#L452-1 assume !(0 == ~e_g~0); 1064#L457-1 assume !(0 == ~e_e~0); 1065#L462-1 assume !(0 == ~e_c~0); 1094#L467-1 assume !(0 == ~e_wl~0); 1095#L472-1 assume !(1 == ~wl_pc~0); 1170#$Ultimate##44 assume !(2 == ~wl_pc~0); 1168#L485 assume !(1 == ~c1_pc~0); 1096#L495 assume !(1 == ~c2_pc~0); 1098#L504 assume !(1 == ~wb_pc~0); 1157#L513 assume !(1 == ~e_c~0); 1075#L522-1 assume !(1 == ~e_e~0); 1076#L527-1 assume !(1 == ~e_f~0); 1118#L532-1 assume !(1 == ~e_g~0); 1119#L537-1 assume !(1 == ~e_c~0); 1141#L542-1 assume !(1 == ~e_wl~0); 1055#L684-1 [2022-12-13 11:42:38,182 INFO L750 eck$LassoCheckResult]: Loop: 1055#L684-1 assume !false; 1174#L554 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; 1080#L389 assume !false; 1081#L307 assume !(0 == ~wl_st~0); 1136#L311 assume !(0 == ~c1_st~0); 1137#L314 assume !(0 == ~c2_st~0); 1056#L317 assume !(0 == ~wb_st~0); 1058#L320 assume !(0 == ~r_st~0); 1161#eval_returnLabel#1 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1091#L560 assume !(1 == ~c_req_up~0); 1093#L560-2 start_simulation_~kernel_st~0#1 := 3; 1172#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 1089#L572-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1090#L577-1 assume !(0 == ~e_e~0); 1111#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1112#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1128#L592-1 assume 1 == ~wl_pc~0; 1142#L598 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1083#L605 assume !(1 == ~c1_pc~0); 1061#L615 assume !(1 == ~c2_pc~0); 1063#L624 assume !(1 == ~wb_pc~0); 1133#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 1165#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1099#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1068#L652-1 assume !(1 == ~e_g~0); 1069#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1162#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1163#L667-1 assume 0 == ~wl_st~0; 1055#L684-1 [2022-12-13 11:42:38,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:38,183 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 1 times [2022-12-13 11:42:38,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:38,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029968748] [2022-12-13 11:42:38,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:38,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:38,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:42:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:38,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:42:38,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:38,222 INFO L85 PathProgramCache]: Analyzing trace with hash 883328051, now seen corresponding path program 4 times [2022-12-13 11:42:38,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:38,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622662714] [2022-12-13 11:42:38,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:38,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:38,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:38,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:38,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622662714] [2022-12-13 11:42:38,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622662714] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:38,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:38,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:38,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358694013] [2022-12-13 11:42:38,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:38,243 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 11:42:38,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:38,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:38,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:38,244 INFO L87 Difference]: Start difference. First operand 126 states and 217 transitions. cyclomatic complexity: 92 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) [2022-12-13 11:42:38,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:38,278 INFO L93 Difference]: Finished difference Result 160 states and 279 transitions. [2022-12-13 11:42:38,278 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 279 transitions. [2022-12-13 11:42:38,280 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 112 [2022-12-13 11:42:38,281 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 160 states and 279 transitions. [2022-12-13 11:42:38,281 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 160 [2022-12-13 11:42:38,281 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 160 [2022-12-13 11:42:38,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 160 states and 279 transitions. [2022-12-13 11:42:38,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:42:38,282 INFO L218 hiAutomatonCegarLoop]: Abstraction has 160 states and 279 transitions. [2022-12-13 11:42:38,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states and 279 transitions. [2022-12-13 11:42:38,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2022-12-13 11:42:38,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 160 states have (on average 1.74375) internal successors, (279), 159 states have internal predecessors, (279), 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) [2022-12-13 11:42:38,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 279 transitions. [2022-12-13 11:42:38,289 INFO L240 hiAutomatonCegarLoop]: Abstraction has 160 states and 279 transitions. [2022-12-13 11:42:38,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:38,290 INFO L428 stractBuchiCegarLoop]: Abstraction has 160 states and 279 transitions. [2022-12-13 11:42:38,290 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-12-13 11:42:38,290 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states and 279 transitions. [2022-12-13 11:42:38,291 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 112 [2022-12-13 11:42:38,291 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:42:38,291 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:42:38,291 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] [2022-12-13 11:42:38,291 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] [2022-12-13 11:42:38,292 INFO L748 eck$LassoCheckResult]: Stem: 1397#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1398#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1376#L416 assume !(1 == ~c_req_up~0); 1378#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1441#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1442#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1406#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1407#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1425#L447-1 assume !(0 == ~e_f~0); 1410#L452-1 assume 0 == ~e_g~0;~e_g~0 := 1; 1356#L457-1 assume !(0 == ~e_e~0); 1357#L462-1 assume !(0 == ~e_c~0); 1387#L467-1 assume !(0 == ~e_wl~0); 1388#L472-1 assume !(1 == ~wl_pc~0); 1465#$Ultimate##44 assume !(2 == ~wl_pc~0); 1462#L485 assume !(1 == ~c1_pc~0); 1389#L495 assume !(1 == ~c2_pc~0); 1391#L504 assume !(1 == ~wb_pc~0); 1451#L513 assume !(1 == ~e_c~0); 1367#L522-1 assume !(1 == ~e_e~0); 1368#L527-1 assume !(1 == ~e_f~0); 1412#L532-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1413#L537-1 assume !(1 == ~e_c~0); 1435#L542-1 assume !(1 == ~e_wl~0); 1347#L684-1 [2022-12-13 11:42:38,292 INFO L750 eck$LassoCheckResult]: Loop: 1347#L684-1 assume !false; 1468#L554 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; 1372#L389 assume !false; 1373#L307 assume !(0 == ~wl_st~0); 1430#L311 assume !(0 == ~c1_st~0); 1431#L314 assume !(0 == ~c2_st~0); 1348#L317 assume !(0 == ~wb_st~0); 1350#L320 assume !(0 == ~r_st~0); 1455#eval_returnLabel#1 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1384#L560 assume !(1 == ~c_req_up~0); 1386#L560-2 start_simulation_~kernel_st~0#1 := 3; 1464#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 1381#L572-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1382#L577-1 assume !(0 == ~e_e~0); 1404#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1405#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1422#L592-1 assume 1 == ~wl_pc~0; 1436#L598 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1375#L605 assume !(1 == ~c1_pc~0); 1353#L615 assume !(1 == ~c2_pc~0); 1355#L624 assume !(1 == ~wb_pc~0); 1427#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 1459#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1392#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1360#L652-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1361#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1456#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1457#L667-1 assume 0 == ~wl_st~0; 1347#L684-1 [2022-12-13 11:42:38,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:38,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1535466835, now seen corresponding path program 1 times [2022-12-13 11:42:38,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:38,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994068874] [2022-12-13 11:42:38,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:38,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:38,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:38,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:38,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994068874] [2022-12-13 11:42:38,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994068874] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:38,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:38,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:42:38,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524303713] [2022-12-13 11:42:38,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:38,332 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 11:42:38,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:38,333 INFO L85 PathProgramCache]: Analyzing trace with hash 883268469, now seen corresponding path program 1 times [2022-12-13 11:42:38,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:38,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419554812] [2022-12-13 11:42:38,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:38,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:38,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:42:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:38,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:42:38,573 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 11:42:38,574 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 11:42:38,574 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 11:42:38,574 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 11:42:38,574 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 11:42:38,574 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:38,575 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 11:42:38,575 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 11:42:38,575 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration6_Loop [2022-12-13 11:42:38,575 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 11:42:38,575 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 11:42:38,589 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,598 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,600 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,606 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,608 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,610 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,613 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,615 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,617 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,619 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,622 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,623 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,627 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,629 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,633 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,634 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,640 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,642 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,644 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,648 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,649 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,651 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,654 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,814 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 11:42:38,814 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 11:42:38,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:38,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:38,817 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:38,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 11:42:38,820 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:42:38,820 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:38,835 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:42:38,835 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: [] [2022-12-13 11:42:38,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 11:42:38,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:38,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:38,841 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:38,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 11:42:38,843 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:42:38,844 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:38,862 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:42:38,862 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 11:42:38,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 11:42:38,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:38,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:38,866 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:38,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 11:42:38,868 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:42:38,868 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:38,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 11:42:38,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:38,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:38,884 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:38,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 11:42:38,886 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 11:42:38,886 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:38,900 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 11:42:38,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 11:42:38,903 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 11:42:38,904 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 11:42:38,904 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 11:42:38,904 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 11:42:38,904 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 11:42:38,904 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:38,904 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 11:42:38,904 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 11:42:38,904 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration6_Loop [2022-12-13 11:42:38,904 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 11:42:38,904 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 11:42:38,906 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,909 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,913 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,915 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,917 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,919 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,924 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,926 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,927 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,929 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,931 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,933 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,934 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,938 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,940 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,943 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,945 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,948 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,950 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,954 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,956 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,958 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,962 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,964 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,966 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:38,969 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,116 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 11:42:39,120 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 11:42:39,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:39,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:39,122 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:39,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 11:42:39,124 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 [2022-12-13 11:42:39,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:39,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:39,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:39,135 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 11:42:39,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:39,137 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 11:42:39,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:39,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:42:39,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 11:42:39,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:39,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:39,144 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:39,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 11:42:39,146 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 [2022-12-13 11:42:39,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:39,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:39,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:39,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:42:39,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:39,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:42:39,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:39,160 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 11:42:39,163 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 11:42:39,164 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 11:42:39,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:39,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:39,199 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:39,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 11:42:39,201 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 11:42:39,201 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 11:42:39,201 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 11:42:39,201 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2022-12-13 11:42:39,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-12-13 11:42:39,206 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 11:42:39,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:39,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:42:39,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:42:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:39,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:42:39,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:42:39,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:39,357 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 [2022-12-13 11:42:39,358 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 160 states and 279 transitions. cyclomatic complexity: 120 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) [2022-12-13 11:42:39,434 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 160 states and 279 transitions. cyclomatic complexity: 120. 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 504 states and 869 transitions. Complement of second has 5 states. [2022-12-13 11:42:39,435 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 [2022-12-13 11:42:39,435 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) [2022-12-13 11:42:39,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 378 transitions. [2022-12-13 11:42:39,437 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 378 transitions. Stem has 24 letters. Loop has 28 letters. [2022-12-13 11:42:39,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:42:39,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 378 transitions. Stem has 52 letters. Loop has 28 letters. [2022-12-13 11:42:39,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:42:39,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 378 transitions. Stem has 24 letters. Loop has 56 letters. [2022-12-13 11:42:39,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:42:39,441 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 504 states and 869 transitions. [2022-12-13 11:42:39,446 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 336 [2022-12-13 11:42:39,449 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 504 states to 504 states and 869 transitions. [2022-12-13 11:42:39,449 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 385 [2022-12-13 11:42:39,450 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 389 [2022-12-13 11:42:39,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 504 states and 869 transitions. [2022-12-13 11:42:39,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 11:42:39,451 INFO L218 hiAutomatonCegarLoop]: Abstraction has 504 states and 869 transitions. [2022-12-13 11:42:39,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states and 869 transitions. [2022-12-13 11:42:39,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 388. [2022-12-13 11:42:39,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 388 states have (on average 1.7293814432989691) internal successors, (671), 387 states have internal predecessors, (671), 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) [2022-12-13 11:42:39,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 671 transitions. [2022-12-13 11:42:39,466 INFO L240 hiAutomatonCegarLoop]: Abstraction has 388 states and 671 transitions. [2022-12-13 11:42:39,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:39,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:42:39,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:42:39,467 INFO L87 Difference]: Start difference. First operand 388 states and 671 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) [2022-12-13 11:42:39,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:39,535 INFO L93 Difference]: Finished difference Result 606 states and 1018 transitions. [2022-12-13 11:42:39,535 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 606 states and 1018 transitions. [2022-12-13 11:42:39,539 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 354 [2022-12-13 11:42:39,542 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 606 states to 606 states and 1018 transitions. [2022-12-13 11:42:39,543 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 415 [2022-12-13 11:42:39,543 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 415 [2022-12-13 11:42:39,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 606 states and 1018 transitions. [2022-12-13 11:42:39,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 11:42:39,544 INFO L218 hiAutomatonCegarLoop]: Abstraction has 606 states and 1018 transitions. [2022-12-13 11:42:39,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states and 1018 transitions. [2022-12-13 11:42:39,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 575. [2022-12-13 11:42:39,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 575 states have (on average 1.6956521739130435) internal successors, (975), 574 states have internal predecessors, (975), 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) [2022-12-13 11:42:39,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 975 transitions. [2022-12-13 11:42:39,558 INFO L240 hiAutomatonCegarLoop]: Abstraction has 575 states and 975 transitions. [2022-12-13 11:42:39,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:42:39,559 INFO L428 stractBuchiCegarLoop]: Abstraction has 575 states and 975 transitions. [2022-12-13 11:42:39,559 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-12-13 11:42:39,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 575 states and 975 transitions. [2022-12-13 11:42:39,562 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 354 [2022-12-13 11:42:39,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:42:39,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:42:39,563 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] [2022-12-13 11:42:39,563 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] [2022-12-13 11:42:39,563 INFO L748 eck$LassoCheckResult]: Stem: 3276#$Ultimate##0 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; 3277#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; 3242#L416 assume !(1 == ~c_req_up~0); 3244#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 3368#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 3369#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 3289#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 3290#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 3326#L447-1 assume !(0 == ~e_f~0); 3300#L452-1 assume !(0 == ~e_g~0); 3205#L457-1 assume !(0 == ~e_e~0); 3206#L462-1 assume !(0 == ~e_c~0); 3259#L467-1 assume !(0 == ~e_wl~0); 3260#L472-1 assume !(1 == ~wl_pc~0); 3426#$Ultimate##44 assume !(2 == ~wl_pc~0); 3422#L485 assume !(1 == ~c1_pc~0); 3261#L495 assume !(1 == ~c2_pc~0); 3263#L504 assume !(1 == ~wb_pc~0); 3390#L513 assume !(1 == ~e_c~0); 3226#L522-1 assume !(1 == ~e_e~0); 3227#L527-1 assume 1 == ~e_f~0;~e_f~0 := 2; 3459#L532-1 assume !(1 == ~e_g~0); 3302#L537-1 assume !(1 == ~e_c~0); 3350#L542-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 3351#L684-1 [2022-12-13 11:42:39,563 INFO L750 eck$LassoCheckResult]: Loop: 3351#L684-1 assume !false; 3574#L554 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; 3572#L389 assume !false; 3570#L307 assume !(0 == ~wl_st~0); 3568#L311 assume !(0 == ~c1_st~0); 3567#L314 assume !(0 == ~c2_st~0); 3566#L317 assume !(0 == ~wb_st~0); 3564#L320 assume !(0 == ~r_st~0); 3562#eval_returnLabel#1 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 3555#L560 assume !(1 == ~c_req_up~0); 3552#L560-2 start_simulation_~kernel_st~0#1 := 3; 3549#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 3550#L572-2 assume !(0 == ~e_g~0); 3752#L577-1 assume !(0 == ~e_e~0); 3751#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 3750#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 3749#L592-1 assume 1 == ~wl_pc~0; 3747#L598 assume 1 == ~e_wl~0;~wl_st~0 := 0; 3537#L605 assume !(1 == ~c1_pc~0); 3538#L615 assume !(1 == ~c2_pc~0); 3622#L624 assume !(1 == ~wb_pc~0); 3620#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 3619#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 3618#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 3527#L652-1 assume !(1 == ~e_g~0); 3524#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 3617#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 3598#L667-1 assume 0 == ~wl_st~0; 3351#L684-1 [2022-12-13 11:42:39,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:39,564 INFO L85 PathProgramCache]: Analyzing trace with hash 255545495, now seen corresponding path program 1 times [2022-12-13 11:42:39,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:39,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654838553] [2022-12-13 11:42:39,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:39,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:39,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:39,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:39,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654838553] [2022-12-13 11:42:39,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654838553] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:39,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:39,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:42:39,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700115267] [2022-12-13 11:42:39,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:39,608 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 11:42:39,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:39,609 INFO L85 PathProgramCache]: Analyzing trace with hash -137740303, now seen corresponding path program 1 times [2022-12-13 11:42:39,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:39,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395931815] [2022-12-13 11:42:39,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:39,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:39,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:42:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:39,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:42:39,791 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 11:42:39,791 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 11:42:39,792 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 11:42:39,792 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 11:42:39,792 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 11:42:39,792 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:39,792 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 11:42:39,792 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 11:42:39,792 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration7_Loop [2022-12-13 11:42:39,792 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 11:42:39,792 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 11:42:39,794 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,796 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,798 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,800 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,802 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,803 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,807 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,809 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,812 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,816 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,819 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,823 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 11:42:39,834 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,836 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,839 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,841 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,844 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,846 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,848 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,850 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,851 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,853 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,856 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,857 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:39,984 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 11:42:39,984 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 11:42:39,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:39,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:39,985 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:39,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 11:42:39,987 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:42:39,987 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:40,005 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:42:40,006 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 11:42:40,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 11:42:40,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:40,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:40,010 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:40,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 11:42:40,012 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:42:40,012 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:40,023 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:42:40,024 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: [] [2022-12-13 11:42:40,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 11:42:40,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:40,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:40,027 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:40,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 11:42:40,030 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:42:40,030 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:40,041 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:42:40,041 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: [] [2022-12-13 11:42:40,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 11:42:40,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:40,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:40,045 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:40,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 11:42:40,047 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:42:40,047 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:40,065 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:42:40,065 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 11:42:40,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-12-13 11:42:40,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:40,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:40,069 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:40,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 11:42:40,071 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:42:40,071 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:40,082 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:42:40,082 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: [] [2022-12-13 11:42:40,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 11:42:40,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:40,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:40,086 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:40,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 11:42:40,088 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:42:40,088 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:40,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-12-13 11:42:40,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:40,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:40,103 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:40,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 11:42:40,105 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 11:42:40,105 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:40,117 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 11:42:40,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-12-13 11:42:40,120 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 11:42:40,120 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 11:42:40,120 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 11:42:40,120 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 11:42:40,120 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 11:42:40,120 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:40,120 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 11:42:40,121 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 11:42:40,121 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration7_Loop [2022-12-13 11:42:40,121 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 11:42:40,121 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 11:42:40,123 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,125 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,127 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,128 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,130 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,132 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,135 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,137 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,138 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,140 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,144 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,145 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,149 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,152 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,154 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,157 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,161 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,163 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,165 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,167 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,169 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,171 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,172 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,174 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,175 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,179 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:40,310 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 11:42:40,310 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 11:42:40,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:40,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:40,311 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:40,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 11:42:40,314 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 [2022-12-13 11:42:40,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:40,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:40,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:40,324 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 11:42:40,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:40,325 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 11:42:40,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:40,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:42:40,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 11:42:40,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:40,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:40,330 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:40,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 11:42:40,332 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 [2022-12-13 11:42:40,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:40,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:40,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:40,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:42:40,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:40,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:42:40,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:40,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:42:40,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 11:42:40,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:40,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:40,349 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:40,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 11:42:40,351 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 [2022-12-13 11:42:40,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:40,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:40,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:40,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:42:40,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:40,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:42:40,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:40,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:42:40,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-12-13 11:42:40,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:40,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:40,366 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:40,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 11:42:40,369 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 [2022-12-13 11:42:40,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:40,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:40,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:40,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:42:40,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:40,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:42:40,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:40,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:42:40,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 11:42:40,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:40,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:40,384 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:40,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 11:42:40,386 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 [2022-12-13 11:42:40,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:40,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:40,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:40,396 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 11:42:40,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:40,397 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 11:42:40,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:40,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:42:40,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-12-13 11:42:40,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:40,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:40,402 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:40,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 11:42:40,404 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 [2022-12-13 11:42:40,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:40,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:40,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:40,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:42:40,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:40,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:42:40,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:40,417 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 11:42:40,419 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 11:42:40,419 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 11:42:40,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:40,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:40,420 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:40,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 11:42:40,422 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 11:42:40,422 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 11:42:40,423 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 11:42:40,423 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2022-12-13 11:42:40,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 11:42:40,427 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 11:42:40,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:40,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:42:40,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:42:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:40,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:42:40,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:42:40,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:40,529 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 [2022-12-13 11:42:40,530 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 575 states and 975 transitions. cyclomatic complexity: 406 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) [2022-12-13 11:42:40,562 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 575 states and 975 transitions. cyclomatic complexity: 406. 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 1118 states and 1893 transitions. Complement of second has 5 states. [2022-12-13 11:42:40,563 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 [2022-12-13 11:42:40,563 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) [2022-12-13 11:42:40,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2022-12-13 11:42:40,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 24 letters. Loop has 28 letters. [2022-12-13 11:42:40,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:42:40,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 52 letters. Loop has 28 letters. [2022-12-13 11:42:40,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:42:40,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 24 letters. Loop has 56 letters. [2022-12-13 11:42:40,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:42:40,564 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1118 states and 1893 transitions. [2022-12-13 11:42:40,569 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 708 [2022-12-13 11:42:40,573 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1118 states to 1118 states and 1893 transitions. [2022-12-13 11:42:40,573 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 750 [2022-12-13 11:42:40,574 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 756 [2022-12-13 11:42:40,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1118 states and 1893 transitions. [2022-12-13 11:42:40,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 11:42:40,574 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1118 states and 1893 transitions. [2022-12-13 11:42:40,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states and 1893 transitions. [2022-12-13 11:42:40,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 575. [2022-12-13 11:42:40,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 575 states have (on average 1.6956521739130435) internal successors, (975), 574 states have internal predecessors, (975), 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) [2022-12-13 11:42:40,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 975 transitions. [2022-12-13 11:42:40,585 INFO L240 hiAutomatonCegarLoop]: Abstraction has 575 states and 975 transitions. [2022-12-13 11:42:40,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:40,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:42:40,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:42:40,586 INFO L87 Difference]: Start difference. First operand 575 states and 975 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) [2022-12-13 11:42:40,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-12-13 11:42:40,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:40,674 INFO L93 Difference]: Finished difference Result 1023 states and 1685 transitions. [2022-12-13 11:42:40,674 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1023 states and 1685 transitions. [2022-12-13 11:42:40,682 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 566 [2022-12-13 11:42:40,688 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1023 states to 1023 states and 1685 transitions. [2022-12-13 11:42:40,688 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 646 [2022-12-13 11:42:40,689 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 646 [2022-12-13 11:42:40,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1023 states and 1685 transitions. [2022-12-13 11:42:40,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 11:42:40,689 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1023 states and 1685 transitions. [2022-12-13 11:42:40,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states and 1685 transitions. [2022-12-13 11:42:40,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 1008. [2022-12-13 11:42:40,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 1008 states have (on average 1.6547619047619047) internal successors, (1668), 1007 states have internal predecessors, (1668), 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) [2022-12-13 11:42:40,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1668 transitions. [2022-12-13 11:42:40,717 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1008 states and 1668 transitions. [2022-12-13 11:42:40,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:42:40,718 INFO L428 stractBuchiCegarLoop]: Abstraction has 1008 states and 1668 transitions. [2022-12-13 11:42:40,718 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-12-13 11:42:40,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1008 states and 1668 transitions. [2022-12-13 11:42:40,724 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 564 [2022-12-13 11:42:40,724 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:42:40,724 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:42:40,725 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] [2022-12-13 11:42:40,725 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] [2022-12-13 11:42:40,726 INFO L748 eck$LassoCheckResult]: Stem: 6755#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 6756#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 6719#L416 assume !(1 == ~c_req_up~0); 6721#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 6844#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 6845#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 6768#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 6769#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 6934#L447-1 assume !(0 == ~e_f~0); 6935#L452-1 assume !(0 == ~e_g~0); 6676#L457-1 assume !(0 == ~e_e~0); 6677#L462-1 assume 0 == ~e_c~0;~e_c~0 := 1; 6954#L467-1 assume !(0 == ~e_wl~0); 6924#L472-1 assume !(1 == ~wl_pc~0); 6925#$Ultimate##44 assume !(2 == ~wl_pc~0); 6915#L485 assume !(1 == ~c1_pc~0); 6892#L495 assume !(1 == ~c2_pc~0); 6874#L504 assume !(1 == ~wb_pc~0); 6875#L513 assume !(1 == ~e_c~0); 7041#L522-1 assume !(1 == ~e_e~0); 6968#L527-1 assume !(1 == ~e_f~0); 6969#L532-1 assume 1 == ~e_g~0;~e_g~0 := 2; 6781#L537-1 assume !(1 == ~e_c~0); 7068#L542-1 assume !(1 == ~e_wl~0); 7024#L684-1 assume !false; 6960#L554 [2022-12-13 11:42:40,726 INFO L750 eck$LassoCheckResult]: Loop: 6960#L554 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; 6715#L389 assume !false; 7525#L307 assume !(0 == ~wl_st~0); 6815#L311 assume !(0 == ~c1_st~0); 6817#L314 assume !(0 == ~c2_st~0); 7518#L317 assume !(0 == ~wb_st~0); 7517#L320 assume !(0 == ~r_st~0); 7516#eval_returnLabel#1 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 7515#L560 assume !(1 == ~c_req_up~0); 7476#L560-2 start_simulation_~kernel_st~0#1 := 3; 7477#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 7472#L572-2 assume !(0 == ~e_g~0); 7471#L577-1 assume !(0 == ~e_e~0); 7470#L582-1 assume !(0 == ~e_c~0); 7469#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 7468#L592-1 assume 1 == ~wl_pc~0; 7466#L598 assume 1 == ~e_wl~0;~wl_st~0 := 0; 7462#L605 assume !(1 == ~c1_pc~0); 7461#L615 assume !(1 == ~c2_pc~0); 7458#L624 assume !(1 == ~wb_pc~0); 7455#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 7454#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 7452#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 7451#L652-1 assume !(1 == ~e_g~0); 6683#L657-1 assume !(1 == ~e_c~0); 7450#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 7224#L667-1 assume 0 == ~wl_st~0; 7442#L684-1 assume !false; 6960#L554 [2022-12-13 11:42:40,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:40,726 INFO L85 PathProgramCache]: Analyzing trace with hash 344880704, now seen corresponding path program 1 times [2022-12-13 11:42:40,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:40,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183553556] [2022-12-13 11:42:40,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:40,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:40,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:40,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:40,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183553556] [2022-12-13 11:42:40,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183553556] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:40,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:40,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:42:40,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533071226] [2022-12-13 11:42:40,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:40,767 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 11:42:40,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:40,767 INFO L85 PathProgramCache]: Analyzing trace with hash -84152623, now seen corresponding path program 1 times [2022-12-13 11:42:40,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:40,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458874835] [2022-12-13 11:42:40,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:40,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:40,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:40,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458874835] [2022-12-13 11:42:40,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458874835] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:40,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:40,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:40,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702970621] [2022-12-13 11:42:40,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:40,786 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 11:42:40,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:40,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:42:40,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:42:40,787 INFO L87 Difference]: Start difference. First operand 1008 states and 1668 transitions. cyclomatic complexity: 670 Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-12-13 11:42:40,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:40,850 INFO L93 Difference]: Finished difference Result 1032 states and 1681 transitions. [2022-12-13 11:42:40,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1032 states and 1681 transitions. [2022-12-13 11:42:40,857 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 579 [2022-12-13 11:42:40,862 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1032 states to 1032 states and 1681 transitions. [2022-12-13 11:42:40,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 659 [2022-12-13 11:42:40,863 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 659 [2022-12-13 11:42:40,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1032 states and 1681 transitions. [2022-12-13 11:42:40,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 11:42:40,864 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1032 states and 1681 transitions. [2022-12-13 11:42:40,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states and 1681 transitions. [2022-12-13 11:42:40,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 942. [2022-12-13 11:42:40,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 942 states have (on average 1.6358811040339702) internal successors, (1541), 941 states have internal predecessors, (1541), 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) [2022-12-13 11:42:40,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1541 transitions. [2022-12-13 11:42:40,883 INFO L240 hiAutomatonCegarLoop]: Abstraction has 942 states and 1541 transitions. [2022-12-13 11:42:40,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:42:40,884 INFO L428 stractBuchiCegarLoop]: Abstraction has 942 states and 1541 transitions. [2022-12-13 11:42:40,884 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-12-13 11:42:40,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 942 states and 1541 transitions. [2022-12-13 11:42:40,889 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 579 [2022-12-13 11:42:40,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:42:40,889 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:42:40,890 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] [2022-12-13 11:42:40,890 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] [2022-12-13 11:42:40,890 INFO L748 eck$LassoCheckResult]: Stem: 8800#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 8801#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 8766#L416 assume !(1 == ~c_req_up~0); 8768#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 8883#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 8884#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 8812#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 8813#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 8957#L447-1 assume !(0 == ~e_f~0); 8821#L452-1 assume !(0 == ~e_g~0); 8822#L457-1 assume !(0 == ~e_e~0); 8969#L462-1 assume !(0 == ~e_c~0); 8970#L467-1 assume !(0 == ~e_wl~0); 8950#L472-1 assume !(1 == ~wl_pc~0); 8951#$Ultimate##44 assume !(2 == ~wl_pc~0); 8941#L485 assume !(1 == ~c1_pc~0); 8925#L495 assume !(1 == ~c2_pc~0); 8910#L504 assume !(1 == ~wb_pc~0); 8911#L513 assume !(1 == ~e_c~0); 8986#L522-1 assume !(1 == ~e_e~0); 8985#L527-1 assume !(1 == ~e_f~0); 8983#L532-1 assume 1 == ~e_g~0;~e_g~0 := 2; 8824#L537-1 assume !(1 == ~e_c~0); 8868#L542-1 assume !(1 == ~e_wl~0); 8869#L684-1 assume !false; 9479#L554 [2022-12-13 11:42:40,890 INFO L750 eck$LassoCheckResult]: Loop: 9479#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 9478#L389 assume !false; 9413#L307 assume !(0 == ~wl_st~0); 9414#L311 assume !(0 == ~c1_st~0); 9409#L314 assume !(0 == ~c2_st~0); 9410#L317 assume !(0 == ~wb_st~0); 9403#L320 assume !(0 == ~r_st~0); 9405#eval_returnLabel#1 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 9399#L560 assume !(1 == ~c_req_up~0); 9400#L560-2 start_simulation_~kernel_st~0#1 := 3; 9587#L572 assume !(0 == ~e_f~0); 9582#L572-2 assume !(0 == ~e_g~0); 9576#L577-1 assume !(0 == ~e_e~0); 9574#L582-1 assume !(0 == ~e_c~0); 9570#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 9569#L592-1 assume !(1 == ~wl_pc~0); 9568#$Ultimate##257 assume !(2 == ~wl_pc~0); 9561#L605 assume !(1 == ~c1_pc~0); 9554#L615 assume !(1 == ~c2_pc~0); 9547#L624 assume !(1 == ~wb_pc~0); 9541#L633 assume !(1 == ~e_c~0); 9540#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 9539#L647-1 assume !(1 == ~e_f~0); 9538#L652-1 assume !(1 == ~e_g~0); 8733#L657-1 assume !(1 == ~e_c~0); 9525#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 9522#L667-1 assume 0 == ~wl_st~0; 9508#L684-1 assume !false; 9479#L554 [2022-12-13 11:42:40,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:40,890 INFO L85 PathProgramCache]: Analyzing trace with hash -666236546, now seen corresponding path program 1 times [2022-12-13 11:42:40,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:40,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814695893] [2022-12-13 11:42:40,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:40,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:40,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:40,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:40,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814695893] [2022-12-13 11:42:40,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814695893] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:40,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:40,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:42:40,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938360704] [2022-12-13 11:42:40,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:40,920 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 11:42:40,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:40,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1311763810, now seen corresponding path program 1 times [2022-12-13 11:42:40,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:40,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914928294] [2022-12-13 11:42:40,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:40,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:40,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:40,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:40,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914928294] [2022-12-13 11:42:40,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914928294] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:40,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:40,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:40,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678045146] [2022-12-13 11:42:40,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:40,931 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 11:42:40,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:40,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:42:40,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:42:40,932 INFO L87 Difference]: Start difference. First operand 942 states and 1541 transitions. cyclomatic complexity: 608 Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-12-13 11:42:40,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:40,977 INFO L93 Difference]: Finished difference Result 1193 states and 1921 transitions. [2022-12-13 11:42:40,977 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1193 states and 1921 transitions. [2022-12-13 11:42:40,982 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 669 [2022-12-13 11:42:40,985 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1193 states to 1193 states and 1921 transitions. [2022-12-13 11:42:40,985 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 729 [2022-12-13 11:42:40,986 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 729 [2022-12-13 11:42:40,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1193 states and 1921 transitions. [2022-12-13 11:42:40,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 11:42:40,986 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1193 states and 1921 transitions. [2022-12-13 11:42:40,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states and 1921 transitions. [2022-12-13 11:42:40,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1193. [2022-12-13 11:42:40,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1193 states, 1193 states have (on average 1.6102263202011735) internal successors, (1921), 1192 states have internal predecessors, (1921), 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) [2022-12-13 11:42:41,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1921 transitions. [2022-12-13 11:42:41,001 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1193 states and 1921 transitions. [2022-12-13 11:42:41,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:42:41,002 INFO L428 stractBuchiCegarLoop]: Abstraction has 1193 states and 1921 transitions. [2022-12-13 11:42:41,002 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-12-13 11:42:41,002 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1193 states and 1921 transitions. [2022-12-13 11:42:41,005 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 669 [2022-12-13 11:42:41,005 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:42:41,005 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:42:41,005 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] [2022-12-13 11:42:41,005 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] [2022-12-13 11:42:41,005 INFO L748 eck$LassoCheckResult]: Stem: 10949#$Ultimate##0 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; 10950#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; 10913#L416 assume !(1 == ~c_req_up~0); 10915#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 11035#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 11036#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 11057#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 10994#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 10995#L447-1 assume !(0 == ~e_f~0); 10969#L452-1 assume !(0 == ~e_g~0); 10872#L457-1 assume !(0 == ~e_e~0); 10873#L462-1 assume !(0 == ~e_c~0); 11128#L467-1 assume !(0 == ~e_wl~0); 11103#L472-1 assume !(1 == ~wl_pc~0); 11104#$Ultimate##44 assume !(2 == ~wl_pc~0); 11092#L485 assume !(1 == ~c1_pc~0); 10928#L495 assume !(1 == ~c2_pc~0); 10930#L504 assume !(1 == ~wb_pc~0); 11062#L513 assume !(1 == ~e_c~0); 11145#L522-1 assume !(1 == ~e_e~0); 11110#L527-1 assume !(1 == ~e_f~0); 10970#L532-1 assume !(1 == ~e_g~0); 10971#L537-1 assume !(1 == ~e_c~0); 11079#L542-1 assume !(1 == ~e_wl~0); 11154#L684-1 assume !false; 11155#L554 [2022-12-13 11:42:41,005 INFO L750 eck$LassoCheckResult]: Loop: 11155#L554 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; 11715#L389 assume !false; 11716#L307 assume !(0 == ~wl_st~0); 11711#L311 assume !(0 == ~c1_st~0); 11712#L314 assume !(0 == ~c2_st~0); 11706#L317 assume !(0 == ~wb_st~0); 11708#L320 assume !(0 == ~r_st~0); 11701#eval_returnLabel#1 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 11702#L560 assume !(1 == ~c_req_up~0); 11798#L560-2 start_simulation_~kernel_st~0#1 := 3; 11796#L572 assume !(0 == ~e_f~0); 11794#L572-2 assume !(0 == ~e_g~0); 11792#L577-1 assume !(0 == ~e_e~0); 11790#L582-1 assume !(0 == ~e_c~0); 11788#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 11786#L592-1 assume 1 == ~wl_pc~0; 11784#L598 assume 1 == ~e_wl~0;~wl_st~0 := 0; 11778#L605 assume !(1 == ~c1_pc~0); 11775#L615 assume !(1 == ~c2_pc~0); 11771#L624 assume !(1 == ~wb_pc~0); 11766#L633 assume !(1 == ~e_c~0); 11767#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 11835#L647-1 assume !(1 == ~e_f~0); 11758#L652-1 assume !(1 == ~e_g~0); 11759#L657-1 assume !(1 == ~e_c~0); 11750#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 11751#L667-1 assume 0 == ~wl_st~0; 11722#L684-1 assume !false; 11155#L554 [2022-12-13 11:42:41,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:41,006 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 1 times [2022-12-13 11:42:41,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:41,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779866994] [2022-12-13 11:42:41,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:41,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:41,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:42:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:41,015 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:42:41,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:41,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1464581643, now seen corresponding path program 1 times [2022-12-13 11:42:41,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:41,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583616986] [2022-12-13 11:42:41,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:41,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:41,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:42:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:41,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:42:41,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:41,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1208048070, now seen corresponding path program 1 times [2022-12-13 11:42:41,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:41,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16140101] [2022-12-13 11:42:41,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:41,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:41,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:41,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:41,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16140101] [2022-12-13 11:42:41,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16140101] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:41,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:41,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:41,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777778294] [2022-12-13 11:42:41,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:41,189 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 11:42:41,189 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 11:42:41,189 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 11:42:41,189 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 11:42:41,189 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 11:42:41,189 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,189 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 11:42:41,190 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 11:42:41,190 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration10_Loop [2022-12-13 11:42:41,190 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 11:42:41,190 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 11:42:41,192 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,194 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,196 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,197 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,199 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,201 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,204 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,206 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,209 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,211 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,212 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,216 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,217 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,218 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,222 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,223 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,225 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,226 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,227 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,229 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,230 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,232 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,233 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,237 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,238 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,239 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,387 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 11:42:41,387 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 11:42:41,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,388 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 11:42:41,390 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:42:41,390 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:41,409 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:42:41,409 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 11:42:41,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-12-13 11:42:41,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,413 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 11:42:41,415 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:42:41,415 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:41,427 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:42:41,427 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: [] [2022-12-13 11:42:41,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-12-13 11:42:41,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,430 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 11:42:41,432 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:42:41,432 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:41,443 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:42:41,443 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: [] [2022-12-13 11:42:41,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-12-13 11:42:41,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,446 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-12-13 11:42:41,449 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:42:41,449 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:41,467 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:42:41,467 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 11:42:41,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-12-13 11:42:41,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,470 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-12-13 11:42:41,472 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:42:41,472 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:41,490 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:42:41,490 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 11:42:41,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-12-13 11:42:41,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,494 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-12-13 11:42:41,496 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:42:41,496 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:41,513 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:42:41,513 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_g~0=-8} Honda state: {~e_g~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 11:42:41,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-12-13 11:42:41,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,516 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-12-13 11:42:41,518 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:42:41,518 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:41,536 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:42:41,536 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~wb_st~0=-1} Honda state: {~wb_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 11:42:41,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-12-13 11:42:41,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,539 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-12-13 11:42:41,541 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:42:41,541 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:41,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-12-13 11:42:41,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,555 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-12-13 11:42:41,558 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 11:42:41,558 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:42:41,600 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 11:42:41,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-12-13 11:42:41,603 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 11:42:41,603 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 11:42:41,603 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 11:42:41,603 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 11:42:41,603 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 11:42:41,603 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,603 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 11:42:41,603 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 11:42:41,603 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration10_Loop [2022-12-13 11:42:41,603 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 11:42:41,603 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 11:42:41,605 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,607 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,609 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,611 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,612 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,614 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,618 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,619 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,623 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,624 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,625 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,627 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,629 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,630 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,633 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,634 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,635 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,638 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,639 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,641 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,642 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,644 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,647 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,648 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,649 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:42:41,787 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 11:42:41,787 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 11:42:41,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,788 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-12-13 11:42:41,790 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 [2022-12-13 11:42:41,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:41,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:41,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:41,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:42:41,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:41,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:42:41,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:41,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:42:41,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-12-13 11:42:41,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,806 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-12-13 11:42:41,808 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 [2022-12-13 11:42:41,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:41,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:41,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:41,818 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 11:42:41,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:41,819 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 11:42:41,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:41,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:42:41,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-12-13 11:42:41,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,823 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-12-13 11:42:41,825 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 [2022-12-13 11:42:41,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:41,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:41,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:41,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:42:41,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:41,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:42:41,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:41,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:42:41,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-12-13 11:42:41,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,840 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-12-13 11:42:41,842 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 [2022-12-13 11:42:41,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:41,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:41,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:41,852 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 11:42:41,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:41,853 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 11:42:41,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:41,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:42:41,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-12-13 11:42:41,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,858 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-12-13 11:42:41,860 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 [2022-12-13 11:42:41,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:41,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:41,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:41,870 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 11:42:41,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:41,871 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 11:42:41,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:41,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:42:41,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-12-13 11:42:41,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,876 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-12-13 11:42:41,878 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 [2022-12-13 11:42:41,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:41,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:41,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:41,888 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 11:42:41,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:41,889 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 11:42:41,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:41,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:42:41,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-12-13 11:42:41,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,894 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-12-13 11:42:41,896 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 [2022-12-13 11:42:41,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:41,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:41,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:41,906 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 11:42:41,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:41,907 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 11:42:41,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:41,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:42:41,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-12-13 11:42:41,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,912 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-12-13 11:42:41,914 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 [2022-12-13 11:42:41,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:41,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:41,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:41,924 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 11:42:41,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:41,925 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 11:42:41,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:41,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:42:41,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-12-13 11:42:41,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,931 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-12-13 11:42:41,933 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 [2022-12-13 11:42:41,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:41,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:41,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:41,943 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 11:42:41,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:41,944 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 11:42:41,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:41,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:42:41,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-12-13 11:42:41,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,949 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-12-13 11:42:41,951 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 [2022-12-13 11:42:41,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:41,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:41,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:41,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:42:41,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:41,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:42:41,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:41,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:42:41,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-12-13 11:42:41,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,967 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-12-13 11:42:41,969 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 [2022-12-13 11:42:41,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:41,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:41,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:41,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:42:41,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:41,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:42:41,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:41,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:42:41,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-12-13 11:42:41,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:41,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:41,984 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:41,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-12-13 11:42:41,986 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 [2022-12-13 11:42:41,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:42:41,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:42:41,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:42:41,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:42:41,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:42:41,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:42:41,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:42:42,000 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 11:42:42,002 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 11:42:42,002 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 11:42:42,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:42:42,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:42,003 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:42,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-12-13 11:42:42,005 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 11:42:42,005 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 11:42:42,005 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 11:42:42,005 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_e~0) = -2*~e_e~0 + 3 Supporting invariants [] [2022-12-13 11:42:42,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-12-13 11:42:42,008 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 11:42:42,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:42,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:42:42,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:42:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:42,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:42:42,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:42:42,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:42,110 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 11:42:42,110 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1193 states and 1921 transitions. cyclomatic complexity: 740 Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 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) [2022-12-13 11:42:42,141 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1193 states and 1921 transitions. cyclomatic complexity: 740. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 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 3377 states and 5419 transitions. Complement of second has 5 states. [2022-12-13 11:42:42,141 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 [2022-12-13 11:42:42,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 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) [2022-12-13 11:42:42,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 200 transitions. [2022-12-13 11:42:42,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 200 transitions. Stem has 25 letters. Loop has 28 letters. [2022-12-13 11:42:42,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:42:42,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 200 transitions. Stem has 53 letters. Loop has 28 letters. [2022-12-13 11:42:42,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:42:42,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 200 transitions. Stem has 25 letters. Loop has 56 letters. [2022-12-13 11:42:42,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:42:42,143 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3377 states and 5419 transitions. [2022-12-13 11:42:42,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-12-13 11:42:42,164 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 1296 [2022-12-13 11:42:42,179 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3377 states to 3377 states and 5419 transitions. [2022-12-13 11:42:42,179 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1360 [2022-12-13 11:42:42,181 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1379 [2022-12-13 11:42:42,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3377 states and 5419 transitions. [2022-12-13 11:42:42,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 11:42:42,181 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3377 states and 5419 transitions. [2022-12-13 11:42:42,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3377 states and 5419 transitions. [2022-12-13 11:42:42,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3377 to 3358. [2022-12-13 11:42:42,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3358 states, 3358 states have (on average 1.6051220964860036) internal successors, (5390), 3357 states have internal predecessors, (5390), 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) [2022-12-13 11:42:42,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3358 states to 3358 states and 5390 transitions. [2022-12-13 11:42:42,227 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3358 states and 5390 transitions. [2022-12-13 11:42:42,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:42,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:42,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:42,227 INFO L87 Difference]: Start difference. First operand 3358 states and 5390 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) [2022-12-13 11:42:42,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:42,260 INFO L93 Difference]: Finished difference Result 5264 states and 8290 transitions. [2022-12-13 11:42:42,260 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5264 states and 8290 transitions. [2022-12-13 11:42:42,276 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 2044 [2022-12-13 11:42:42,290 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5264 states to 5264 states and 8290 transitions. [2022-12-13 11:42:42,291 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2110 [2022-12-13 11:42:42,292 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2110 [2022-12-13 11:42:42,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5264 states and 8290 transitions. [2022-12-13 11:42:42,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 11:42:42,292 INFO L218 hiAutomatonCegarLoop]: Abstraction has 5264 states and 8290 transitions. [2022-12-13 11:42:42,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5264 states and 8290 transitions. [2022-12-13 11:42:42,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5264 to 5264. [2022-12-13 11:42:42,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5264 states, 5264 states have (on average 1.5748480243161094) internal successors, (8290), 5263 states have internal predecessors, (8290), 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) [2022-12-13 11:42:42,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5264 states to 5264 states and 8290 transitions. [2022-12-13 11:42:42,353 INFO L240 hiAutomatonCegarLoop]: Abstraction has 5264 states and 8290 transitions. [2022-12-13 11:42:42,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:42,354 INFO L428 stractBuchiCegarLoop]: Abstraction has 5264 states and 8290 transitions. [2022-12-13 11:42:42,354 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-12-13 11:42:42,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5264 states and 8290 transitions. [2022-12-13 11:42:42,365 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 2044 [2022-12-13 11:42:42,365 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:42:42,365 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:42:42,365 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] [2022-12-13 11:42:42,365 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:42,365 INFO L748 eck$LassoCheckResult]: Stem: 24319#$Ultimate##0 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; 24320#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; 24284#L416 assume !(1 == ~c_req_up~0); 24286#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 24544#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 24543#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 24541#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 24371#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 24372#L447-1 assume !(0 == ~e_f~0); 24535#L452-1 assume !(0 == ~e_g~0); 24244#L457-1 assume !(0 == ~e_e~0); 24245#L462-1 assume !(0 == ~e_c~0); 24301#L467-1 assume !(0 == ~e_wl~0); 24302#L472-1 assume !(1 == ~wl_pc~0); 24495#$Ultimate##44 assume !(2 == ~wl_pc~0); 24483#L485 assume !(1 == ~c1_pc~0); 24464#L495 assume !(1 == ~c2_pc~0); 24537#L504 assume !(1 == ~wb_pc~0); 24488#L513 assume !(1 == ~e_c~0); 24266#L522-1 assume !(1 == ~e_e~0); 24267#L527-1 assume !(1 == ~e_f~0); 24539#L532-1 assume !(1 == ~e_g~0); 24467#L537-1 assume !(1 == ~e_c~0); 24399#L542-1 assume !(1 == ~e_wl~0); 24400#L684-1 assume !false; 26367#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 27270#L389 [2022-12-13 11:42:42,365 INFO L750 eck$LassoCheckResult]: Loop: 27270#L389 assume !false; 28562#L307 assume 0 == ~wl_st~0; 28561#L320-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 28552#L333 assume !(0 != eval_~tmp~0#1); 28560#L329 assume !(0 == ~c1_st~0); 28710#L344 assume !(0 == ~c2_st~0); 28596#L359 assume !(0 == ~wb_st~0); 28592#L374 assume !(0 == ~r_st~0); 27270#L389 [2022-12-13 11:42:42,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:42,366 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 1 times [2022-12-13 11:42:42,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:42,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124712747] [2022-12-13 11:42:42,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:42,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:42,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:42:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:42,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:42:42,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:42,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1292266880, now seen corresponding path program 1 times [2022-12-13 11:42:42,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:42,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781394690] [2022-12-13 11:42:42,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:42,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:42,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:42:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:42,379 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:42:42,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:42,380 INFO L85 PathProgramCache]: Analyzing trace with hash 373312376, now seen corresponding path program 1 times [2022-12-13 11:42:42,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:42,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746703622] [2022-12-13 11:42:42,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:42,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:42,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:42,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:42,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746703622] [2022-12-13 11:42:42,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746703622] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:42,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:42,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:42,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038676649] [2022-12-13 11:42:42,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:42,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:42,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:42,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:42,417 INFO L87 Difference]: Start difference. First operand 5264 states and 8290 transitions. cyclomatic complexity: 3062 Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-12-13 11:42:42,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:42,468 INFO L93 Difference]: Finished difference Result 8154 states and 12722 transitions. [2022-12-13 11:42:42,468 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8154 states and 12722 transitions. [2022-12-13 11:42:42,487 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 3194 [2022-12-13 11:42:42,508 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8154 states to 8154 states and 12722 transitions. [2022-12-13 11:42:42,508 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3262 [2022-12-13 11:42:42,510 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3262 [2022-12-13 11:42:42,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8154 states and 12722 transitions. [2022-12-13 11:42:42,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 11:42:42,511 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8154 states and 12722 transitions. [2022-12-13 11:42:42,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8154 states and 12722 transitions. [2022-12-13 11:42:42,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8154 to 8154. [2022-12-13 11:42:42,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8154 states, 8154 states have (on average 1.5602158449840569) internal successors, (12722), 8153 states have internal predecessors, (12722), 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) [2022-12-13 11:42:42,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8154 states to 8154 states and 12722 transitions. [2022-12-13 11:42:42,600 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8154 states and 12722 transitions. [2022-12-13 11:42:42,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:42,601 INFO L428 stractBuchiCegarLoop]: Abstraction has 8154 states and 12722 transitions. [2022-12-13 11:42:42,601 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-12-13 11:42:42,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8154 states and 12722 transitions. [2022-12-13 11:42:42,616 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 3194 [2022-12-13 11:42:42,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:42:42,616 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:42:42,616 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] [2022-12-13 11:42:42,616 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:42,616 INFO L748 eck$LassoCheckResult]: Stem: 37747#$Ultimate##0 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; 37748#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; 37713#L416 assume !(1 == ~c_req_up~0); 37715#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 37920#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 37946#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 37945#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 37795#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 37796#L447-1 assume !(0 == ~e_f~0); 37942#L452-1 assume !(0 == ~e_g~0); 37671#L457-1 assume !(0 == ~e_e~0); 37672#L462-1 assume !(0 == ~e_c~0); 37932#L467-1 assume !(0 == ~e_wl~0); 37900#L472-1 assume !(1 == ~wl_pc~0); 37901#$Ultimate##44 assume !(2 == ~wl_pc~0); 37891#L485 assume !(1 == ~c1_pc~0); 37878#L495 assume !(1 == ~c2_pc~0); 37948#L504 assume !(1 == ~wb_pc~0); 37894#L513 assume !(1 == ~e_c~0); 37697#L522-1 assume !(1 == ~e_e~0); 37698#L527-1 assume !(1 == ~e_f~0); 37943#L532-1 assume !(1 == ~e_g~0); 37879#L537-1 assume !(1 == ~e_c~0); 37820#L542-1 assume !(1 == ~e_wl~0); 37821#L684-1 assume !false; 40143#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 43479#L389 [2022-12-13 11:42:42,616 INFO L750 eck$LassoCheckResult]: Loop: 43479#L389 assume !false; 43822#L307 assume 0 == ~wl_st~0; 43284#L320-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 43276#L333 assume !(0 != eval_~tmp~0#1); 43274#L329 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 43058#L348 assume !(0 != eval_~tmp___0~0#1); 43077#L344 assume !(0 == ~c2_st~0); 43582#L359 assume !(0 == ~wb_st~0); 43578#L374 assume !(0 == ~r_st~0); 43479#L389 [2022-12-13 11:42:42,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:42,617 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 2 times [2022-12-13 11:42:42,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:42,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923461351] [2022-12-13 11:42:42,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:42,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:42,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:42:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:42,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:42:42,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:42,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1353841090, now seen corresponding path program 1 times [2022-12-13 11:42:42,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:42,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600888392] [2022-12-13 11:42:42,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:42,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:42,631 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:42:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:42,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:42:42,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:42,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1363944758, now seen corresponding path program 1 times [2022-12-13 11:42:42,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:42,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535228206] [2022-12-13 11:42:42,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:42,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:42,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:42,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:42,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535228206] [2022-12-13 11:42:42,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535228206] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:42,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:42,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:42,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073056953] [2022-12-13 11:42:42,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:42,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:42,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:42,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:42,686 INFO L87 Difference]: Start difference. First operand 8154 states and 12722 transitions. cyclomatic complexity: 4604 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) [2022-12-13 11:42:42,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:42,756 INFO L93 Difference]: Finished difference Result 12961 states and 20031 transitions. [2022-12-13 11:42:42,756 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12961 states and 20031 transitions. [2022-12-13 11:42:42,798 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 5098 [2022-12-13 11:42:42,829 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12961 states to 12961 states and 20031 transitions. [2022-12-13 11:42:42,829 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5220 [2022-12-13 11:42:42,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5220 [2022-12-13 11:42:42,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12961 states and 20031 transitions. [2022-12-13 11:42:42,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 11:42:42,833 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12961 states and 20031 transitions. [2022-12-13 11:42:42,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12961 states and 20031 transitions. [2022-12-13 11:42:42,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12961 to 12961. [2022-12-13 11:42:42,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12961 states, 12961 states have (on average 1.5454826016511072) internal successors, (20031), 12960 states have internal predecessors, (20031), 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) [2022-12-13 11:42:42,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12961 states to 12961 states and 20031 transitions. [2022-12-13 11:42:42,990 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12961 states and 20031 transitions. [2022-12-13 11:42:42,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:42,990 INFO L428 stractBuchiCegarLoop]: Abstraction has 12961 states and 20031 transitions. [2022-12-13 11:42:42,990 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-12-13 11:42:42,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12961 states and 20031 transitions. [2022-12-13 11:42:43,016 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 5098 [2022-12-13 11:42:43,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:42:43,016 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:42:43,016 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] [2022-12-13 11:42:43,016 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:43,016 INFO L748 eck$LassoCheckResult]: Stem: 58869#$Ultimate##0 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; 58870#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; 58833#L416 assume !(1 == ~c_req_up~0); 58835#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 58968#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 58969#L432-1 assume !(1 == ~c2_i~0);~c2_st~0 := 2; 59108#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 62543#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 62542#L447-1 assume !(0 == ~e_f~0); 62541#L452-1 assume !(0 == ~e_g~0); 62540#L457-1 assume !(0 == ~e_e~0); 62539#L462-1 assume !(0 == ~e_c~0); 62538#L467-1 assume !(0 == ~e_wl~0); 62537#L472-1 assume !(1 == ~wl_pc~0); 62532#$Ultimate##44 assume !(2 == ~wl_pc~0); 62529#L485 assume !(1 == ~c1_pc~0); 62527#L495 assume !(1 == ~c2_pc~0); 62525#L504 assume !(1 == ~wb_pc~0); 62523#L513 assume !(1 == ~e_c~0); 62522#L522-1 assume !(1 == ~e_e~0); 62521#L527-1 assume !(1 == ~e_f~0); 62520#L532-1 assume !(1 == ~e_g~0); 62519#L537-1 assume !(1 == ~e_c~0); 62518#L542-1 assume !(1 == ~e_wl~0); 62516#L684-1 assume !false; 62517#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 67877#L389 [2022-12-13 11:42:43,016 INFO L750 eck$LassoCheckResult]: Loop: 67877#L389 assume !false; 67067#L307 assume 0 == ~wl_st~0; 67066#L320-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 66993#L333 assume !(0 != eval_~tmp~0#1); 67064#L329 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 67571#L348 assume !(0 != eval_~tmp___0~0#1); 67584#L344 assume !(0 == ~c2_st~0); 67892#L359 assume !(0 == ~wb_st~0); 67886#L374 assume !(0 == ~r_st~0); 67877#L389 [2022-12-13 11:42:43,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:43,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1246052603, now seen corresponding path program 1 times [2022-12-13 11:42:43,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:43,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645526834] [2022-12-13 11:42:43,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:43,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:43,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:43,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:43,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645526834] [2022-12-13 11:42:43,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645526834] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:43,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:43,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:43,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926366276] [2022-12-13 11:42:43,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:43,033 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 11:42:43,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:43,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1353841090, now seen corresponding path program 2 times [2022-12-13 11:42:43,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:43,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325478680] [2022-12-13 11:42:43,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:43,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:43,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:42:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:43,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:42:43,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:43,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:43,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:43,069 INFO L87 Difference]: Start difference. First operand 12961 states and 20031 transitions. cyclomatic complexity: 7106 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) [2022-12-13 11:42:43,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:43,137 INFO L93 Difference]: Finished difference Result 12909 states and 19944 transitions. [2022-12-13 11:42:43,137 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12909 states and 19944 transitions. [2022-12-13 11:42:43,210 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 5098 [2022-12-13 11:42:43,247 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12909 states to 12909 states and 19944 transitions. [2022-12-13 11:42:43,247 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5170 [2022-12-13 11:42:43,250 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5170 [2022-12-13 11:42:43,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12909 states and 19944 transitions. [2022-12-13 11:42:43,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 11:42:43,251 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12909 states and 19944 transitions. [2022-12-13 11:42:43,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12909 states and 19944 transitions. [2022-12-13 11:42:43,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12909 to 12909. [2022-12-13 11:42:43,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12909 states, 12909 states have (on average 1.5449686265396234) internal successors, (19944), 12908 states have internal predecessors, (19944), 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) [2022-12-13 11:42:43,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12909 states to 12909 states and 19944 transitions. [2022-12-13 11:42:43,403 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12909 states and 19944 transitions. [2022-12-13 11:42:43,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:43,404 INFO L428 stractBuchiCegarLoop]: Abstraction has 12909 states and 19944 transitions. [2022-12-13 11:42:43,404 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-12-13 11:42:43,404 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12909 states and 19944 transitions. [2022-12-13 11:42:43,430 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 5098 [2022-12-13 11:42:43,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:42:43,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:42:43,431 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] [2022-12-13 11:42:43,431 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:43,431 INFO L748 eck$LassoCheckResult]: Stem: 84739#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 84740#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 84708#L416 assume !(1 == ~c_req_up~0); 84710#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 84964#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 84963#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 84961#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 84791#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 84792#L447-1 assume !(0 == ~e_f~0); 84955#L452-1 assume !(0 == ~e_g~0); 84670#L457-1 assume !(0 == ~e_e~0); 84671#L462-1 assume !(0 == ~e_c~0); 84724#L467-1 assume !(0 == ~e_wl~0); 84725#L472-1 assume !(1 == ~wl_pc~0); 84906#$Ultimate##44 assume !(2 == ~wl_pc~0); 84897#L485 assume !(1 == ~c1_pc~0); 84878#L495 assume !(1 == ~c2_pc~0); 84957#L504 assume !(1 == ~wb_pc~0); 84900#L513 assume !(1 == ~e_c~0); 84690#L522-1 assume !(1 == ~e_e~0); 84691#L527-1 assume !(1 == ~e_f~0); 84959#L532-1 assume !(1 == ~e_g~0); 84883#L537-1 assume !(1 == ~e_c~0); 84884#L542-1 assume !(1 == ~e_wl~0); 87490#L684-1 assume !false; 87491#L554 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; 93169#L389 [2022-12-13 11:42:43,431 INFO L750 eck$LassoCheckResult]: Loop: 93169#L389 assume !false; 93167#L307 assume 0 == ~wl_st~0; 93166#L320-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 93160#L333 assume !(0 != eval_~tmp~0#1); 93165#L329 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 93656#L348 assume !(0 != eval_~tmp___0~0#1); 93298#L344 assume 0 == ~c2_st~0;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 93295#L363 assume !(0 != eval_~tmp___1~0#1); 93179#L359 assume !(0 == ~wb_st~0); 93173#L374 assume !(0 == ~r_st~0); 93169#L389 [2022-12-13 11:42:43,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:43,431 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 3 times [2022-12-13 11:42:43,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:43,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601477596] [2022-12-13 11:42:43,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:43,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:43,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:42:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:43,440 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:42:43,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:43,440 INFO L85 PathProgramCache]: Analyzing trace with hash -982249908, now seen corresponding path program 1 times [2022-12-13 11:42:43,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:43,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820959716] [2022-12-13 11:42:43,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:43,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:43,442 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:42:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:43,444 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:42:43,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:43,444 INFO L85 PathProgramCache]: Analyzing trace with hash 665734724, now seen corresponding path program 1 times [2022-12-13 11:42:43,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:43,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793345799] [2022-12-13 11:42:43,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:43,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:43,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:43,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:43,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793345799] [2022-12-13 11:42:43,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793345799] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:43,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:43,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:43,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114272025] [2022-12-13 11:42:43,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:43,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:43,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:43,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:43,503 INFO L87 Difference]: Start difference. First operand 12909 states and 19944 transitions. cyclomatic complexity: 7071 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) [2022-12-13 11:42:43,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:43,598 INFO L93 Difference]: Finished difference Result 20133 states and 30924 transitions. [2022-12-13 11:42:43,598 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20133 states and 30924 transitions. [2022-12-13 11:42:43,661 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 8032 [2022-12-13 11:42:43,706 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20133 states to 20133 states and 30924 transitions. [2022-12-13 11:42:43,707 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8104 [2022-12-13 11:42:43,737 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8104 [2022-12-13 11:42:43,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20133 states and 30924 transitions. [2022-12-13 11:42:43,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 11:42:43,749 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20133 states and 30924 transitions. [2022-12-13 11:42:43,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20133 states and 30924 transitions. [2022-12-13 11:42:43,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20133 to 20013. [2022-12-13 11:42:43,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20013 states, 20013 states have (on average 1.5391995203117974) internal successors, (30804), 20012 states have internal predecessors, (30804), 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) [2022-12-13 11:42:43,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20013 states to 20013 states and 30804 transitions. [2022-12-13 11:42:43,934 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20013 states and 30804 transitions. [2022-12-13 11:42:43,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:43,935 INFO L428 stractBuchiCegarLoop]: Abstraction has 20013 states and 30804 transitions. [2022-12-13 11:42:43,935 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-12-13 11:42:43,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20013 states and 30804 transitions. [2022-12-13 11:42:43,990 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 7984 [2022-12-13 11:42:43,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:42:43,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:42:43,991 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] [2022-12-13 11:42:43,991 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:43,991 INFO L748 eck$LassoCheckResult]: Stem: 117795#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 117796#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 117760#L416 assume !(1 == ~c_req_up~0); 117762#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 117991#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 118026#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 118025#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 117841#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 117842#L447-1 assume !(0 == ~e_f~0); 118022#L452-1 assume !(0 == ~e_g~0); 117717#L457-1 assume !(0 == ~e_e~0); 117718#L462-1 assume !(0 == ~e_c~0); 118009#L467-1 assume !(0 == ~e_wl~0); 117965#L472-1 assume !(1 == ~wl_pc~0); 117966#$Ultimate##44 assume !(2 == ~wl_pc~0); 117954#L485 assume !(1 == ~c1_pc~0); 117934#L495 assume !(1 == ~c2_pc~0); 118028#L504 assume !(1 == ~wb_pc~0); 117957#L513 assume !(1 == ~e_c~0); 117744#L522-1 assume !(1 == ~e_e~0); 117745#L527-1 assume !(1 == ~e_f~0); 118023#L532-1 assume !(1 == ~e_g~0); 117940#L537-1 assume !(1 == ~e_c~0); 117865#L542-1 assume !(1 == ~e_wl~0); 117866#L684-1 assume !false; 122300#L554 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; 130796#L389 [2022-12-13 11:42:43,991 INFO L750 eck$LassoCheckResult]: Loop: 130796#L389 assume !false; 130795#L307 assume 0 == ~wl_st~0; 130780#L320-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 130775#L333 assume !(0 != eval_~tmp~0#1); 130683#L329 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 130681#L348 assume !(0 != eval_~tmp___0~0#1); 130679#L344 assume 0 == ~c2_st~0;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 130593#L363 assume !(0 != eval_~tmp___1~0#1); 130674#L359 assume 0 == ~wb_st~0;eval_~tmp___2~0#1 := eval_#t~nondet7#1;havoc eval_#t~nondet7#1; 130803#L378 assume !(0 != eval_~tmp___2~0#1); 130802#L374 assume !(0 == ~r_st~0); 130796#L389 [2022-12-13 11:42:43,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:43,992 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 4 times [2022-12-13 11:42:43,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:43,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948995829] [2022-12-13 11:42:43,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:43,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:43,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:42:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:44,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:42:44,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:44,001 INFO L85 PathProgramCache]: Analyzing trace with hash -385011466, now seen corresponding path program 1 times [2022-12-13 11:42:44,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:44,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564681760] [2022-12-13 11:42:44,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:44,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:44,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:42:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:44,005 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:42:44,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:44,006 INFO L85 PathProgramCache]: Analyzing trace with hash -837095426, now seen corresponding path program 1 times [2022-12-13 11:42:44,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:44,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103112316] [2022-12-13 11:42:44,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:44,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:44,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:42:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:44,017 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:42:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:44,694 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:42:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:42:44,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 11:42:44 BoogieIcfgContainer [2022-12-13 11:42:44,771 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 11:42:44,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:42:44,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:42:44,772 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:42:44,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:42:37" (3/4) ... [2022-12-13 11:42:44,775 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 11:42:44,827 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:42:44,827 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:42:44,828 INFO L158 Benchmark]: Toolchain (without parser) took 8247.32ms. Allocated memory was 142.6MB in the beginning and 625.0MB in the end (delta: 482.3MB). Free memory was 106.8MB in the beginning and 349.5MB in the end (delta: -242.7MB). Peak memory consumption was 241.4MB. Max. memory is 16.1GB. [2022-12-13 11:42:44,828 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:42:44,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.89ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 92.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 11:42:44,829 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.87ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 89.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:42:44,829 INFO L158 Benchmark]: Boogie Preprocessor took 25.01ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 87.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:42:44,829 INFO L158 Benchmark]: RCFGBuilder took 495.18ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 65.0MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 11:42:44,830 INFO L158 Benchmark]: BuchiAutomizer took 7418.27ms. Allocated memory was 142.6MB in the beginning and 625.0MB in the end (delta: 482.3MB). Free memory was 65.0MB in the beginning and 354.7MB in the end (delta: -289.7MB). Peak memory consumption was 195.3MB. Max. memory is 16.1GB. [2022-12-13 11:42:44,830 INFO L158 Benchmark]: Witness Printer took 55.84ms. Allocated memory is still 625.0MB. Free memory was 354.7MB in the beginning and 349.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:42:44,832 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.89ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 92.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.87ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 89.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.01ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 87.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 495.18ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 65.0MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 7418.27ms. Allocated memory was 142.6MB in the beginning and 625.0MB in the end (delta: 482.3MB). Free memory was 65.0MB in the beginning and 354.7MB in the end (delta: -289.7MB). Peak memory consumption was 195.3MB. Max. memory is 16.1GB. * Witness Printer took 55.84ms. Allocated memory is still 625.0MB. Free memory was 354.7MB in the beginning and 349.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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 17 terminating modules (14 trivial, 3 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * e_c + 1 and consists of 3 locations. One deterministic module has affine ranking function -1 * e_c + 1 and consists of 3 locations. One deterministic module has affine ranking function 3 + -2 * e_e and consists of 3 locations. 14 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 20013 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.3s and 15 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. Construction of modules took 0.2s. Büchi inclusion checks took 2.2s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 12. Automata minimization 0.8s AutomataMinimizationTime, 17 MinimizatonAttempts, 934 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 0.4s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4118 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4115 mSDsluCounter, 6568 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2288 mSDsCounter, 111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 345 IncrementalHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111 mSolverCounterUnsat, 4280 mSDtfsCounter, 345 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc3 concLT1 SILN1 SILU0 SILI6 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital81 mio100 ax100 hnf100 lsp11 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq182 hnf98 smp100 dnf190 smp75 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 14 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 306]: 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] [L701] int __retres1 ; [L705] e_wl = 2 [L706] e_c = e_wl [L707] e_g = e_c [L708] e_f = e_g [L709] e_e = e_f [L710] wl_pc = 0 [L711] c1_pc = 0 [L712] c2_pc = 0 [L713] wb_pc = 0 [L714] wb_i = 1 [L715] c2_i = wb_i [L716] c1_i = c2_i [L717] wl_i = c1_i [L718] r_i = 0 [L719] c_req_up = 0 [L720] d = 0 [L721] c = 0 [L722] CALL start_simulation() [L412] int kernel_st ; [L415] 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] [L416] 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] [L427] COND TRUE (int )wl_i == 1 [L428] 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] [L432] COND TRUE (int )c1_i == 1 [L433] 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] [L437] COND TRUE (int )c2_i == 1 [L438] 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] [L442] COND TRUE (int )wb_i == 1 [L443] 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] [L447] COND FALSE !((int )r_i == 1) [L450] 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] [L452] 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] [L457] 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] [L462] 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] [L467] 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] [L472] 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] [L477] 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] [L485] 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] [L495] 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] [L504] 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] [L513] 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] [L522] 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] [L527] 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] [L532] 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] [L537] 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] [L542] 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] [L547] 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] [L553] 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] [L556] kernel_st = 1 [L557] CALL eval() [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L302] 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: [L306] COND TRUE 1 [L308] COND TRUE (int )wl_st == 0 [L329] COND TRUE (int )wl_st == 0 [L331] tmp = __VERIFIER_nondet_int() [L333] COND FALSE !(\read(tmp)) [L344] COND TRUE (int )c1_st == 0 [L346] tmp___0 = __VERIFIER_nondet_int() [L348] COND FALSE !(\read(tmp___0)) [L359] COND TRUE (int )c2_st == 0 [L361] tmp___1 = __VERIFIER_nondet_int() [L363] COND FALSE !(\read(tmp___1)) [L374] COND TRUE (int )wb_st == 0 [L376] tmp___2 = __VERIFIER_nondet_int() [L378] COND FALSE !(\read(tmp___2)) [L389] COND FALSE !((int )r_st == 0) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 306]: 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] [L701] int __retres1 ; [L705] e_wl = 2 [L706] e_c = e_wl [L707] e_g = e_c [L708] e_f = e_g [L709] e_e = e_f [L710] wl_pc = 0 [L711] c1_pc = 0 [L712] c2_pc = 0 [L713] wb_pc = 0 [L714] wb_i = 1 [L715] c2_i = wb_i [L716] c1_i = c2_i [L717] wl_i = c1_i [L718] r_i = 0 [L719] c_req_up = 0 [L720] d = 0 [L721] c = 0 [L722] CALL start_simulation() [L412] int kernel_st ; [L415] 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] [L416] 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] [L427] COND TRUE (int )wl_i == 1 [L428] 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] [L432] COND TRUE (int )c1_i == 1 [L433] 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] [L437] COND TRUE (int )c2_i == 1 [L438] 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] [L442] COND TRUE (int )wb_i == 1 [L443] 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] [L447] COND FALSE !((int )r_i == 1) [L450] 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] [L452] 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] [L457] 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] [L462] 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] [L467] 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] [L472] 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] [L477] 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] [L485] 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] [L495] 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] [L504] 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] [L513] 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] [L522] 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] [L527] 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] [L532] 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] [L537] 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] [L542] 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] [L547] 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] [L553] 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] [L556] kernel_st = 1 [L557] CALL eval() [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L302] 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: [L306] COND TRUE 1 [L308] COND TRUE (int )wl_st == 0 [L329] COND TRUE (int )wl_st == 0 [L331] tmp = __VERIFIER_nondet_int() [L333] COND FALSE !(\read(tmp)) [L344] COND TRUE (int )c1_st == 0 [L346] tmp___0 = __VERIFIER_nondet_int() [L348] COND FALSE !(\read(tmp___0)) [L359] COND TRUE (int )c2_st == 0 [L361] tmp___1 = __VERIFIER_nondet_int() [L363] COND FALSE !(\read(tmp___1)) [L374] COND TRUE (int )wb_st == 0 [L376] tmp___2 = __VERIFIER_nondet_int() [L378] COND FALSE !(\read(tmp___2)) [L389] COND FALSE !((int )r_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 11:42:44,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1481f28d-db33-4edd-9125-8d14fb9e85bd/bin/uautomizer-uyxdKDjOR8/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)