./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/toy2.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy2.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a77d6f304c19846fdc8cd5bba9216d69953659ded966cffbf7faa285e2d864a4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:46:38,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:46:38,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:46:38,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:46:38,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:46:38,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:46:38,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:46:38,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:46:38,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:46:38,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:46:38,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:46:38,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:46:38,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:46:38,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:46:38,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:46:38,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:46:38,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:46:38,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:46:38,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:46:38,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:46:38,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:46:38,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:46:38,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:46:38,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:46:38,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:46:38,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:46:38,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:46:38,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:46:38,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:46:38,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:46:38,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:46:38,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:46:38,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:46:38,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:46:38,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:46:38,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:46:38,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:46:38,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:46:38,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:46:38,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:46:38,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:46:38,799 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:46:38,845 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:46:38,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:46:38,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:46:38,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:46:38,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:46:38,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:46:38,848 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:46:38,849 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:46:38,849 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:46:38,849 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:46:38,850 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:46:38,851 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:46:38,851 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:46:38,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:46:38,852 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:46:38,852 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:46:38,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:46:38,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:46:38,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:46:38,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:46:38,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:46:38,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:46:38,854 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:46:38,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:46:38,854 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:46:38,854 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:46:38,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:46:38,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:46:38,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:46:38,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:46:38,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:46:38,857 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:46:38,858 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_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a77d6f304c19846fdc8cd5bba9216d69953659ded966cffbf7faa285e2d864a4 [2022-10-17 10:46:39,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:46:39,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:46:39,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:46:39,223 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:46:39,224 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:46:39,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/systemc/toy2.cil.c [2022-10-17 10:46:39,289 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/data/2d09243b5/c108f2e9468d49359fd2cee5610a670b/FLAGdbc3cd78b [2022-10-17 10:46:39,809 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:46:39,817 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/sv-benchmarks/c/systemc/toy2.cil.c [2022-10-17 10:46:39,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/data/2d09243b5/c108f2e9468d49359fd2cee5610a670b/FLAGdbc3cd78b [2022-10-17 10:46:40,123 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/data/2d09243b5/c108f2e9468d49359fd2cee5610a670b [2022-10-17 10:46:40,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:46:40,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:46:40,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:46:40,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:46:40,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:46:40,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:46:40" (1/1) ... [2022-10-17 10:46:40,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@242879e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:40, skipping insertion in model container [2022-10-17 10:46:40,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:46:40" (1/1) ... [2022-10-17 10:46:40,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:46:40,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:46:40,470 WARN L230 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_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/sv-benchmarks/c/systemc/toy2.cil.c[698,711] [2022-10-17 10:46:40,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:46:40,605 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:46:40,622 WARN L230 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_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/sv-benchmarks/c/systemc/toy2.cil.c[698,711] [2022-10-17 10:46:40,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:46:40,676 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:46:40,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:40 WrapperNode [2022-10-17 10:46:40,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:46:40,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:46:40,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:46:40,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:46:40,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:40" (1/1) ... [2022-10-17 10:46:40,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:40" (1/1) ... [2022-10-17 10:46:40,730 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 356 [2022-10-17 10:46:40,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:46:40,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:46:40,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:46:40,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:46:40,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:40" (1/1) ... [2022-10-17 10:46:40,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:40" (1/1) ... [2022-10-17 10:46:40,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:40" (1/1) ... [2022-10-17 10:46:40,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:40" (1/1) ... [2022-10-17 10:46:40,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:40" (1/1) ... [2022-10-17 10:46:40,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:40" (1/1) ... [2022-10-17 10:46:40,768 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:40" (1/1) ... [2022-10-17 10:46:40,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:40" (1/1) ... [2022-10-17 10:46:40,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:46:40,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:46:40,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:46:40,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:46:40,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:40" (1/1) ... [2022-10-17 10:46:40,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:40,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:40,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:40,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:46:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:46:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:46:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:46:40,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:46:41,000 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:46:41,002 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:46:41,622 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:46:41,631 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:46:41,632 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-17 10:46:41,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:46:41 BoogieIcfgContainer [2022-10-17 10:46:41,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:46:41,636 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:46:41,636 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:46:41,645 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:46:41,646 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:46:41,647 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:46:40" (1/3) ... [2022-10-17 10:46:41,648 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@167bb87a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:46:41, skipping insertion in model container [2022-10-17 10:46:41,648 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:46:41,649 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:40" (2/3) ... [2022-10-17 10:46:41,649 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@167bb87a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:46:41, skipping insertion in model container [2022-10-17 10:46:41,649 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:46:41,649 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:46:41" (3/3) ... [2022-10-17 10:46:41,651 INFO L332 chiAutomizerObserver]: Analyzing ICFG toy2.cil.c [2022-10-17 10:46:41,730 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:46:41,730 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:46:41,730 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:46:41,730 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:46:41,731 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:46:41,731 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:46:41,731 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:46:41,731 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:46:41,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 130 states, 129 states have (on average 1.8294573643410852) internal successors, (236), 129 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:41,768 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-10-17 10:46:41,769 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:46:41,769 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:46:41,778 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] [2022-10-17 10:46:41,779 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] [2022-10-17 10:46:41,779 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:46:41,780 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 130 states, 129 states have (on average 1.8294573643410852) internal successors, (236), 129 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:41,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-10-17 10:46:41,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:46:41,790 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:46:41,793 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] [2022-10-17 10:46:41,793 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] [2022-10-17 10:46:41,802 INFO L748 eck$LassoCheckResult]: Stem: 118#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 46#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 113#L404true assume !(1 == ~c_req_up~0); 66#L404-2true assume !(1 == ~wl_i~0);~wl_st~0 := 2; 25#L415-1true assume !(1 == ~c1_i~0);~c1_st~0 := 2; 55#L420-1true assume 1 == ~c2_i~0;~c2_st~0 := 0; 89#L425-1true assume !(1 == ~wb_i~0);~wb_st~0 := 2; 43#L430-1true assume !(1 == ~r_i~0);~r_st~0 := 2; 125#L435-1true assume !(0 == ~e_f~0); 31#L440-1true assume !(0 == ~e_g~0); 48#L445-1true assume !(0 == ~e_e~0); 51#L450-1true assume !(0 == ~e_c~0); 24#L455-1true assume !(0 == ~e_wl~0); 81#L460-1true assume !(1 == ~wl_pc~0); 38#L472true assume !(2 == ~wl_pc~0); 122#L473true assume !(1 == ~c1_pc~0); 103#L483true assume !(1 == ~c2_pc~0); 114#L492true assume !(1 == ~wb_pc~0); 57#L501true assume !(1 == ~e_c~0); 36#L510-1true assume !(1 == ~e_e~0); 26#L515-1true assume !(1 == ~e_f~0); 15#L520-1true assume !(1 == ~e_g~0); 49#L525-1true assume !(1 == ~e_c~0); 86#L530-1true assume !(1 == ~e_wl~0); 68#L672-1true [2022-10-17 10:46:41,803 INFO L750 eck$LassoCheckResult]: Loop: 68#L672-1true assume !false; 8#L542true start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 127#L377true assume !true; 23#L393true assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 67#L548true assume !(1 == ~c_req_up~0); 11#L548-2true start_simulation_~kernel_st~0#1 := 3; 28#L560true assume 0 == ~e_f~0;~e_f~0 := 1; 97#L560-2true assume 0 == ~e_g~0;~e_g~0 := 1; 19#L565-1true assume 0 == ~e_e~0;~e_e~0 := 1; 128#L570-1true assume 0 == ~e_c~0;~e_c~0 := 1; 39#L575-1true assume 0 == ~e_wl~0;~e_wl~0 := 1; 123#L580-1true assume 1 == ~wl_pc~0; 101#L586true assume 1 == ~e_wl~0;~wl_st~0 := 0; 84#L593true assume !(1 == ~c1_pc~0); 115#L603true assume !(1 == ~c2_pc~0); 4#L612true assume !(1 == ~wb_pc~0); 65#L621true assume !(1 == ~e_c~0); 63#L630-1true assume 1 == ~e_e~0;~e_e~0 := 2; 130#L635-1true assume 1 == ~e_f~0;~e_f~0 := 2; 129#L640-1true assume 1 == ~e_g~0;~e_g~0 := 2; 111#L645-1true assume 1 == ~e_c~0;~e_c~0 := 2; 13#L650-1true assume 1 == ~e_wl~0;~e_wl~0 := 2; 44#L655-1true assume 0 == ~wl_st~0; 68#L672-1true [2022-10-17 10:46:41,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:41,811 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2022-10-17 10:46:41,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:41,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397335967] [2022-10-17 10:46:41,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:41,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:42,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:42,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:42,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397335967] [2022-10-17 10:46:42,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397335967] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:42,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:42,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:46:42,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793533010] [2022-10-17 10:46:42,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:42,175 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:46:42,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:42,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1920133393, now seen corresponding path program 1 times [2022-10-17 10:46:42,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:42,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329890927] [2022-10-17 10:46:42,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:42,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:42,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:42,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:42,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329890927] [2022-10-17 10:46:42,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329890927] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:42,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:42,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:46:42,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431545125] [2022-10-17 10:46:42,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:42,252 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:46:42,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:46:42,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:46:42,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:46:42,302 INFO L87 Difference]: Start difference. First operand has 130 states, 129 states have (on average 1.8294573643410852) internal successors, (236), 129 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:42,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:46:42,346 INFO L93 Difference]: Finished difference Result 129 states and 222 transitions. [2022-10-17 10:46:42,347 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 129 states and 222 transitions. [2022-10-17 10:46:42,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-10-17 10:46:42,362 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 129 states to 124 states and 217 transitions. [2022-10-17 10:46:42,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2022-10-17 10:46:42,366 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2022-10-17 10:46:42,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 217 transitions. [2022-10-17 10:46:42,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:46:42,368 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 217 transitions. [2022-10-17 10:46:42,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 217 transitions. [2022-10-17 10:46:42,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-10-17 10:46:42,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.75) internal successors, (217), 123 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:42,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 217 transitions. [2022-10-17 10:46:42,410 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 217 transitions. [2022-10-17 10:46:42,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:46:42,416 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 217 transitions. [2022-10-17 10:46:42,416 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:46:42,416 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 217 transitions. [2022-10-17 10:46:42,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-10-17 10:46:42,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:46:42,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:46:42,421 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] [2022-10-17 10:46:42,422 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] [2022-10-17 10:46:42,422 INFO L748 eck$LassoCheckResult]: Stem: 389#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 346#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 347#L404 assume !(1 == ~c_req_up~0); 367#L404-2 assume !(1 == ~wl_i~0);~wl_st~0 := 2; 314#L415-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 315#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 360#L425-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 343#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 344#L435-1 assume !(0 == ~e_f~0); 323#L440-1 assume !(0 == ~e_g~0); 324#L445-1 assume !(0 == ~e_e~0); 350#L450-1 assume !(0 == ~e_c~0); 312#L455-1 assume !(0 == ~e_wl~0); 313#L460-1 assume !(1 == ~wl_pc~0); 332#L472 assume !(2 == ~wl_pc~0); 333#L473 assume !(1 == ~c1_pc~0); 384#L483 assume !(1 == ~c2_pc~0); 298#L492 assume !(1 == ~wb_pc~0); 349#L501 assume !(1 == ~e_c~0); 330#L510-1 assume !(1 == ~e_e~0); 316#L515-1 assume !(1 == ~e_f~0); 295#L520-1 assume !(1 == ~e_g~0); 296#L525-1 assume !(1 == ~e_c~0); 351#L530-1 assume !(1 == ~e_wl~0); 293#L672-1 [2022-10-17 10:46:42,422 INFO L750 eck$LassoCheckResult]: Loop: 293#L672-1 assume !false; 281#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 269#L377 assume !false; 276#L295 assume !(0 == ~wl_st~0); 278#L299 assume !(0 == ~c1_st~0); 342#L302 assume !(0 == ~c2_st~0); 368#L305 assume !(0 == ~wb_st~0); 288#L308 assume !(0 == ~r_st~0); 289#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 311#L548 assume !(1 == ~c_req_up~0); 286#L548-2 start_simulation_~kernel_st~0#1 := 3; 287#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 319#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 305#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 306#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 338#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 339#L580-1 assume !(1 == ~wl_pc~0); 308#L592 assume !(2 == ~wl_pc~0); 309#L593 assume !(1 == ~c1_pc~0); 359#L603 assume !(1 == ~c2_pc~0); 270#L612 assume !(1 == ~wb_pc~0); 272#L621 assume !(1 == ~e_c~0); 364#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 365#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 391#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 388#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 290#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 291#L655-1 assume 0 == ~wl_st~0; 293#L672-1 [2022-10-17 10:46:42,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:42,423 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2022-10-17 10:46:42,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:42,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455746389] [2022-10-17 10:46:42,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:42,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:42,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:42,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:42,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455746389] [2022-10-17 10:46:42,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455746389] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:42,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:42,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:46:42,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759812432] [2022-10-17 10:46:42,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:42,606 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:46:42,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:42,607 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 1 times [2022-10-17 10:46:42,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:42,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061163259] [2022-10-17 10:46:42,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:42,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:42,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:42,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:42,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061163259] [2022-10-17 10:46:42,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061163259] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:42,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:42,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:46:42,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228211188] [2022-10-17 10:46:42,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:42,679 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:46:42,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:46:42,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:46:42,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:46:42,681 INFO L87 Difference]: Start difference. First operand 124 states and 217 transitions. cyclomatic complexity: 94 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:42,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:46:42,707 INFO L93 Difference]: Finished difference Result 124 states and 216 transitions. [2022-10-17 10:46:42,708 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 216 transitions. [2022-10-17 10:46:42,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-10-17 10:46:42,713 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 216 transitions. [2022-10-17 10:46:42,713 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2022-10-17 10:46:42,714 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2022-10-17 10:46:42,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 216 transitions. [2022-10-17 10:46:42,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:46:42,719 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 216 transitions. [2022-10-17 10:46:42,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 216 transitions. [2022-10-17 10:46:42,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-10-17 10:46:42,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.7419354838709677) internal successors, (216), 123 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:42,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 216 transitions. [2022-10-17 10:46:42,729 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 216 transitions. [2022-10-17 10:46:42,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:46:42,735 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 216 transitions. [2022-10-17 10:46:42,735 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:46:42,735 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 216 transitions. [2022-10-17 10:46:42,737 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-10-17 10:46:42,738 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:46:42,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:46:42,742 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] [2022-10-17 10:46:42,743 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] [2022-10-17 10:46:42,743 INFO L748 eck$LassoCheckResult]: Stem: 644#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 601#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 602#L404 assume !(1 == ~c_req_up~0); 622#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 569#L415-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 570#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 615#L425-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 598#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 599#L435-1 assume !(0 == ~e_f~0); 578#L440-1 assume !(0 == ~e_g~0); 579#L445-1 assume !(0 == ~e_e~0); 605#L450-1 assume !(0 == ~e_c~0); 567#L455-1 assume !(0 == ~e_wl~0); 568#L460-1 assume !(1 == ~wl_pc~0); 587#L472 assume !(2 == ~wl_pc~0); 588#L473 assume !(1 == ~c1_pc~0); 639#L483 assume !(1 == ~c2_pc~0); 553#L492 assume !(1 == ~wb_pc~0); 604#L501 assume !(1 == ~e_c~0); 585#L510-1 assume !(1 == ~e_e~0); 571#L515-1 assume !(1 == ~e_f~0); 550#L520-1 assume !(1 == ~e_g~0); 551#L525-1 assume !(1 == ~e_c~0); 606#L530-1 assume !(1 == ~e_wl~0); 548#L672-1 [2022-10-17 10:46:42,743 INFO L750 eck$LassoCheckResult]: Loop: 548#L672-1 assume !false; 536#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 524#L377 assume !false; 531#L295 assume !(0 == ~wl_st~0); 533#L299 assume !(0 == ~c1_st~0); 597#L302 assume !(0 == ~c2_st~0); 623#L305 assume !(0 == ~wb_st~0); 543#L308 assume !(0 == ~r_st~0); 544#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 566#L548 assume !(1 == ~c_req_up~0); 541#L548-2 start_simulation_~kernel_st~0#1 := 3; 542#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 574#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 560#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 561#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 593#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 594#L580-1 assume !(1 == ~wl_pc~0); 563#L592 assume !(2 == ~wl_pc~0); 564#L593 assume !(1 == ~c1_pc~0); 614#L603 assume !(1 == ~c2_pc~0); 525#L612 assume !(1 == ~wb_pc~0); 527#L621 assume !(1 == ~e_c~0); 619#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 620#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 646#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 643#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 545#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 546#L655-1 assume 0 == ~wl_st~0; 548#L672-1 [2022-10-17 10:46:42,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:42,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1738779219, now seen corresponding path program 1 times [2022-10-17 10:46:42,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:42,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142544732] [2022-10-17 10:46:42,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:42,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:42,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:42,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:42,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142544732] [2022-10-17 10:46:42,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142544732] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:42,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:42,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:46:42,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512562394] [2022-10-17 10:46:42,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:42,844 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:46:42,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:42,846 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 2 times [2022-10-17 10:46:42,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:42,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483450171] [2022-10-17 10:46:42,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:42,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:42,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:42,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:42,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483450171] [2022-10-17 10:46:42,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483450171] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:42,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:42,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:46:42,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712345942] [2022-10-17 10:46:42,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:42,901 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:46:42,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:46:42,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:46:42,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:46:42,903 INFO L87 Difference]: Start difference. First operand 124 states and 216 transitions. cyclomatic complexity: 93 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:42,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:46:42,928 INFO L93 Difference]: Finished difference Result 124 states and 215 transitions. [2022-10-17 10:46:42,928 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 215 transitions. [2022-10-17 10:46:42,930 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-10-17 10:46:42,933 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 215 transitions. [2022-10-17 10:46:42,933 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2022-10-17 10:46:42,934 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2022-10-17 10:46:42,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 215 transitions. [2022-10-17 10:46:42,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:46:42,935 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 215 transitions. [2022-10-17 10:46:42,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 215 transitions. [2022-10-17 10:46:42,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-10-17 10:46:42,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.7338709677419355) internal successors, (215), 123 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:42,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 215 transitions. [2022-10-17 10:46:42,946 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 215 transitions. [2022-10-17 10:46:42,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:46:42,947 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 215 transitions. [2022-10-17 10:46:42,948 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-10-17 10:46:42,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 215 transitions. [2022-10-17 10:46:42,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-10-17 10:46:42,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:46:42,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:46:42,951 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] [2022-10-17 10:46:42,951 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] [2022-10-17 10:46:42,952 INFO L748 eck$LassoCheckResult]: Stem: 899#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 856#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 857#L404 assume !(1 == ~c_req_up~0); 877#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 824#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 825#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 870#L425-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 853#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 854#L435-1 assume !(0 == ~e_f~0); 833#L440-1 assume !(0 == ~e_g~0); 834#L445-1 assume !(0 == ~e_e~0); 860#L450-1 assume !(0 == ~e_c~0); 822#L455-1 assume !(0 == ~e_wl~0); 823#L460-1 assume !(1 == ~wl_pc~0); 842#L472 assume !(2 == ~wl_pc~0); 843#L473 assume !(1 == ~c1_pc~0); 894#L483 assume !(1 == ~c2_pc~0); 808#L492 assume !(1 == ~wb_pc~0); 859#L501 assume !(1 == ~e_c~0); 840#L510-1 assume !(1 == ~e_e~0); 826#L515-1 assume !(1 == ~e_f~0); 805#L520-1 assume !(1 == ~e_g~0); 806#L525-1 assume !(1 == ~e_c~0); 861#L530-1 assume !(1 == ~e_wl~0); 803#L672-1 [2022-10-17 10:46:42,952 INFO L750 eck$LassoCheckResult]: Loop: 803#L672-1 assume !false; 791#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 779#L377 assume !false; 786#L295 assume !(0 == ~wl_st~0); 788#L299 assume !(0 == ~c1_st~0); 852#L302 assume !(0 == ~c2_st~0); 878#L305 assume !(0 == ~wb_st~0); 798#L308 assume !(0 == ~r_st~0); 799#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 821#L548 assume !(1 == ~c_req_up~0); 796#L548-2 start_simulation_~kernel_st~0#1 := 3; 797#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 829#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 815#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 816#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 848#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 849#L580-1 assume !(1 == ~wl_pc~0); 818#L592 assume !(2 == ~wl_pc~0); 819#L593 assume !(1 == ~c1_pc~0); 869#L603 assume !(1 == ~c2_pc~0); 780#L612 assume !(1 == ~wb_pc~0); 782#L621 assume !(1 == ~e_c~0); 874#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 875#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 901#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 898#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 800#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 801#L655-1 assume 0 == ~wl_st~0; 803#L672-1 [2022-10-17 10:46:42,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:42,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1738539627, now seen corresponding path program 1 times [2022-10-17 10:46:42,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:42,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528894204] [2022-10-17 10:46:42,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:42,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:42,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:42,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:42,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528894204] [2022-10-17 10:46:42,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528894204] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:42,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:42,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:46:42,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184415387] [2022-10-17 10:46:42,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:42,993 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:46:42,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:42,994 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 3 times [2022-10-17 10:46:42,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:42,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783908891] [2022-10-17 10:46:42,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:42,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:43,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:43,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:43,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783908891] [2022-10-17 10:46:43,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783908891] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:43,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:43,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:46:43,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293451315] [2022-10-17 10:46:43,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:43,026 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:46:43,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:46:43,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:46:43,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:46:43,028 INFO L87 Difference]: Start difference. First operand 124 states and 215 transitions. cyclomatic complexity: 92 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:43,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:46:43,042 INFO L93 Difference]: Finished difference Result 124 states and 214 transitions. [2022-10-17 10:46:43,043 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 214 transitions. [2022-10-17 10:46:43,045 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-10-17 10:46:43,047 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 214 transitions. [2022-10-17 10:46:43,047 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2022-10-17 10:46:43,048 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2022-10-17 10:46:43,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 214 transitions. [2022-10-17 10:46:43,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:46:43,051 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 214 transitions. [2022-10-17 10:46:43,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 214 transitions. [2022-10-17 10:46:43,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-10-17 10:46:43,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.7258064516129032) internal successors, (214), 123 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:43,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 214 transitions. [2022-10-17 10:46:43,061 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 214 transitions. [2022-10-17 10:46:43,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:46:43,068 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 214 transitions. [2022-10-17 10:46:43,068 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-10-17 10:46:43,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 214 transitions. [2022-10-17 10:46:43,074 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2022-10-17 10:46:43,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:46:43,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:46:43,076 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] [2022-10-17 10:46:43,080 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] [2022-10-17 10:46:43,080 INFO L748 eck$LassoCheckResult]: Stem: 1154#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1111#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1112#L404 assume !(1 == ~c_req_up~0); 1132#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1079#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1080#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1125#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1108#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1109#L435-1 assume !(0 == ~e_f~0); 1088#L440-1 assume !(0 == ~e_g~0); 1089#L445-1 assume !(0 == ~e_e~0); 1115#L450-1 assume !(0 == ~e_c~0); 1077#L455-1 assume !(0 == ~e_wl~0); 1078#L460-1 assume !(1 == ~wl_pc~0); 1097#L472 assume !(2 == ~wl_pc~0); 1098#L473 assume !(1 == ~c1_pc~0); 1149#L483 assume !(1 == ~c2_pc~0); 1063#L492 assume !(1 == ~wb_pc~0); 1114#L501 assume !(1 == ~e_c~0); 1095#L510-1 assume !(1 == ~e_e~0); 1081#L515-1 assume !(1 == ~e_f~0); 1060#L520-1 assume !(1 == ~e_g~0); 1061#L525-1 assume !(1 == ~e_c~0); 1116#L530-1 assume !(1 == ~e_wl~0); 1058#L672-1 [2022-10-17 10:46:43,081 INFO L750 eck$LassoCheckResult]: Loop: 1058#L672-1 assume !false; 1046#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 1034#L377 assume !false; 1041#L295 assume !(0 == ~wl_st~0); 1043#L299 assume !(0 == ~c1_st~0); 1107#L302 assume !(0 == ~c2_st~0); 1133#L305 assume !(0 == ~wb_st~0); 1053#L308 assume !(0 == ~r_st~0); 1054#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1076#L548 assume !(1 == ~c_req_up~0); 1051#L548-2 start_simulation_~kernel_st~0#1 := 3; 1052#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 1084#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1070#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1071#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1103#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1104#L580-1 assume !(1 == ~wl_pc~0); 1073#L592 assume !(2 == ~wl_pc~0); 1074#L593 assume !(1 == ~c1_pc~0); 1124#L603 assume !(1 == ~c2_pc~0); 1035#L612 assume !(1 == ~wb_pc~0); 1037#L621 assume !(1 == ~e_c~0); 1129#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1130#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1156#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1153#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1055#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1056#L655-1 assume 0 == ~wl_st~0; 1058#L672-1 [2022-10-17 10:46:43,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:43,082 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 1 times [2022-10-17 10:46:43,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:43,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545462846] [2022-10-17 10:46:43,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:43,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:43,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:46:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:43,151 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:46:43,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:43,152 INFO L85 PathProgramCache]: Analyzing trace with hash 86756478, now seen corresponding path program 4 times [2022-10-17 10:46:43,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:43,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706375631] [2022-10-17 10:46:43,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:43,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:43,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:43,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:43,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706375631] [2022-10-17 10:46:43,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706375631] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:43,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:43,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:46:43,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688810086] [2022-10-17 10:46:43,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:43,182 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:46:43,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:46:43,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:46:43,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:46:43,183 INFO L87 Difference]: Start difference. First operand 124 states and 214 transitions. cyclomatic complexity: 91 Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:43,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:46:43,251 INFO L93 Difference]: Finished difference Result 156 states and 274 transitions. [2022-10-17 10:46:43,251 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 274 transitions. [2022-10-17 10:46:43,253 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 109 [2022-10-17 10:46:43,255 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 156 states and 274 transitions. [2022-10-17 10:46:43,255 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 156 [2022-10-17 10:46:43,256 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 156 [2022-10-17 10:46:43,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 156 states and 274 transitions. [2022-10-17 10:46:43,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:46:43,258 INFO L218 hiAutomatonCegarLoop]: Abstraction has 156 states and 274 transitions. [2022-10-17 10:46:43,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states and 274 transitions. [2022-10-17 10:46:43,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-10-17 10:46:43,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 156 states have (on average 1.7564102564102564) internal successors, (274), 155 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:43,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 274 transitions. [2022-10-17 10:46:43,268 INFO L240 hiAutomatonCegarLoop]: Abstraction has 156 states and 274 transitions. [2022-10-17 10:46:43,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:46:43,278 INFO L428 stractBuchiCegarLoop]: Abstraction has 156 states and 274 transitions. [2022-10-17 10:46:43,279 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-10-17 10:46:43,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 156 states and 274 transitions. [2022-10-17 10:46:43,280 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 109 [2022-10-17 10:46:43,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:46:43,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:46:43,282 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] [2022-10-17 10:46:43,282 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] [2022-10-17 10:46:43,282 INFO L748 eck$LassoCheckResult]: Stem: 1441#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1397#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1398#L404 assume !(1 == ~c_req_up~0); 1419#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1365#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1366#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1412#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1394#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1395#L435-1 assume !(0 == ~e_f~0); 1374#L440-1 assume !(0 == ~e_g~0); 1375#L445-1 assume !(0 == ~e_e~0); 1401#L450-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1363#L455-1 assume !(0 == ~e_wl~0); 1364#L460-1 assume !(1 == ~wl_pc~0); 1383#L472 assume !(2 == ~wl_pc~0); 1384#L473 assume !(1 == ~c1_pc~0); 1436#L483 assume !(1 == ~c2_pc~0); 1349#L492 assume !(1 == ~wb_pc~0); 1400#L501 assume 1 == ~e_c~0;~r_st~0 := 0; 1381#L510-1 assume !(1 == ~e_e~0); 1367#L515-1 assume !(1 == ~e_f~0); 1346#L520-1 assume !(1 == ~e_g~0); 1347#L525-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1402#L530-1 assume !(1 == ~e_wl~0); 1344#L672-1 [2022-10-17 10:46:43,282 INFO L750 eck$LassoCheckResult]: Loop: 1344#L672-1 assume !false; 1332#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 1323#L377 assume !false; 1327#L295 assume !(0 == ~wl_st~0); 1329#L299 assume !(0 == ~c1_st~0); 1393#L302 assume !(0 == ~c2_st~0); 1420#L305 assume !(0 == ~wb_st~0); 1339#L308 assume !(0 == ~r_st~0); 1340#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1362#L548 assume !(1 == ~c_req_up~0); 1337#L548-2 start_simulation_~kernel_st~0#1 := 3; 1338#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 1370#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1356#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1357#L570-1 assume !(0 == ~e_c~0); 1443#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1474#L580-1 assume 1 == ~wl_pc~0; 1472#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1469#L593 assume !(1 == ~c1_pc~0); 1468#L603 assume !(1 == ~c2_pc~0); 1466#L612 assume !(1 == ~wb_pc~0); 1464#L621 assume !(1 == ~e_c~0); 1463#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1462#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1444#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1445#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1341#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1342#L655-1 assume 0 == ~wl_st~0; 1344#L672-1 [2022-10-17 10:46:43,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:43,283 INFO L85 PathProgramCache]: Analyzing trace with hash 785152729, now seen corresponding path program 1 times [2022-10-17 10:46:43,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:43,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69848029] [2022-10-17 10:46:43,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:43,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:43,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:43,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:43,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69848029] [2022-10-17 10:46:43,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69848029] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:43,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:43,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:46:43,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129696531] [2022-10-17 10:46:43,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:43,376 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:46:43,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:43,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1473620493, now seen corresponding path program 1 times [2022-10-17 10:46:43,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:43,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051034023] [2022-10-17 10:46:43,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:43,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:43,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:43,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:43,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051034023] [2022-10-17 10:46:43,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051034023] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:43,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:43,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:46:43,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205807695] [2022-10-17 10:46:43,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:43,434 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:46:43,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:46:43,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:46:43,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:46:43,436 INFO L87 Difference]: Start difference. First operand 156 states and 274 transitions. cyclomatic complexity: 119 Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:43,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:46:43,562 INFO L93 Difference]: Finished difference Result 285 states and 492 transitions. [2022-10-17 10:46:43,562 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 285 states and 492 transitions. [2022-10-17 10:46:43,569 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 199 [2022-10-17 10:46:43,572 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 285 states to 285 states and 492 transitions. [2022-10-17 10:46:43,573 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 285 [2022-10-17 10:46:43,573 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 285 [2022-10-17 10:46:43,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 285 states and 492 transitions. [2022-10-17 10:46:43,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:46:43,576 INFO L218 hiAutomatonCegarLoop]: Abstraction has 285 states and 492 transitions. [2022-10-17 10:46:43,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states and 492 transitions. [2022-10-17 10:46:43,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 273. [2022-10-17 10:46:43,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 273 states have (on average 1.7362637362637363) internal successors, (474), 272 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:43,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 474 transitions. [2022-10-17 10:46:43,619 INFO L240 hiAutomatonCegarLoop]: Abstraction has 273 states and 474 transitions. [2022-10-17 10:46:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:46:43,623 INFO L428 stractBuchiCegarLoop]: Abstraction has 273 states and 474 transitions. [2022-10-17 10:46:43,624 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-10-17 10:46:43,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 273 states and 474 transitions. [2022-10-17 10:46:43,626 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 199 [2022-10-17 10:46:43,626 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:46:43,627 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:46:43,628 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] [2022-10-17 10:46:43,628 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] [2022-10-17 10:46:43,628 INFO L748 eck$LassoCheckResult]: Stem: 1909#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1851#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1852#L404 assume !(1 == ~c_req_up~0); 1887#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1819#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1820#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1897#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1898#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1912#L435-1 assume !(0 == ~e_f~0); 1826#L440-1 assume !(0 == ~e_g~0); 1827#L445-1 assume !(0 == ~e_e~0); 1858#L450-1 assume !(0 == ~e_c~0); 1859#L455-1 assume !(0 == ~e_wl~0); 2007#L460-1 assume !(1 == ~wl_pc~0); 2005#L472 assume !(2 == ~wl_pc~0); 2003#L473 assume !(1 == ~c1_pc~0); 1903#L483 assume !(1 == ~c2_pc~0); 1800#L492 assume !(1 == ~wb_pc~0); 1850#L501 assume 1 == ~e_c~0;~r_st~0 := 0; 1833#L510-1 assume !(1 == ~e_e~0); 1816#L515-1 assume !(1 == ~e_f~0); 1797#L520-1 assume !(1 == ~e_g~0); 1798#L525-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1855#L530-1 assume !(1 == ~e_wl~0); 1795#L672-1 [2022-10-17 10:46:43,628 INFO L750 eck$LassoCheckResult]: Loop: 1795#L672-1 assume !false; 1882#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 1964#L377 assume !false; 1963#L295 assume !(0 == ~wl_st~0); 1962#L299 assume !(0 == ~c1_st~0); 1961#L302 assume !(0 == ~c2_st~0); 1960#L305 assume !(0 == ~wb_st~0); 1958#L308 assume !(0 == ~r_st~0); 1957#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1881#L548 assume !(1 == ~c_req_up~0); 1788#L548-2 start_simulation_~kernel_st~0#1 := 3; 1789#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 1953#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1995#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1994#L570-1 assume !(0 == ~e_c~0); 1927#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1993#L580-1 assume 1 == ~wl_pc~0; 1991#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1988#L593 assume !(1 == ~c1_pc~0); 1908#L603 assume !(1 == ~c2_pc~0); 1772#L612 assume !(1 == ~wb_pc~0); 1774#L621 assume !(1 == ~e_c~0); 1874#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1875#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1914#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1922#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1792#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1793#L655-1 assume 0 == ~wl_st~0; 1795#L672-1 [2022-10-17 10:46:43,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:43,629 INFO L85 PathProgramCache]: Analyzing trace with hash 198346715, now seen corresponding path program 1 times [2022-10-17 10:46:43,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:43,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843924656] [2022-10-17 10:46:43,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:43,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:43,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:43,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:43,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843924656] [2022-10-17 10:46:43,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843924656] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:43,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:43,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:46:43,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954023586] [2022-10-17 10:46:43,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:43,687 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:46:43,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:43,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1473620493, now seen corresponding path program 2 times [2022-10-17 10:46:43,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:43,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647145851] [2022-10-17 10:46:43,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:43,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:43,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:43,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:43,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647145851] [2022-10-17 10:46:43,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647145851] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:43,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:43,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:46:43,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707633769] [2022-10-17 10:46:43,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:43,714 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:46:43,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:46:43,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:46:43,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:46:43,716 INFO L87 Difference]: Start difference. First operand 273 states and 474 transitions. cyclomatic complexity: 203 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:43,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:46:43,760 INFO L93 Difference]: Finished difference Result 369 states and 630 transitions. [2022-10-17 10:46:43,760 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 369 states and 630 transitions. [2022-10-17 10:46:43,765 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 292 [2022-10-17 10:46:43,792 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 369 states to 369 states and 630 transitions. [2022-10-17 10:46:43,792 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 369 [2022-10-17 10:46:43,793 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 369 [2022-10-17 10:46:43,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 369 states and 630 transitions. [2022-10-17 10:46:43,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:46:43,795 INFO L218 hiAutomatonCegarLoop]: Abstraction has 369 states and 630 transitions. [2022-10-17 10:46:43,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states and 630 transitions. [2022-10-17 10:46:43,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2022-10-17 10:46:43,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 369 states have (on average 1.7073170731707317) internal successors, (630), 368 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:43,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 630 transitions. [2022-10-17 10:46:43,813 INFO L240 hiAutomatonCegarLoop]: Abstraction has 369 states and 630 transitions. [2022-10-17 10:46:43,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:46:43,815 INFO L428 stractBuchiCegarLoop]: Abstraction has 369 states and 630 transitions. [2022-10-17 10:46:43,815 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-10-17 10:46:43,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 369 states and 630 transitions. [2022-10-17 10:46:43,819 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 292 [2022-10-17 10:46:43,819 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:46:43,819 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:46:43,820 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] [2022-10-17 10:46:43,821 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] [2022-10-17 10:46:43,821 INFO L748 eck$LassoCheckResult]: Stem: 2562#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 2502#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 2503#L404 assume !(1 == ~c_req_up~0); 2529#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 2530#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 2518#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 2519#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 2498#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 2499#L435-1 assume !(0 == ~e_f~0); 2477#L440-1 assume !(0 == ~e_g~0); 2478#L445-1 assume !(0 == ~e_e~0); 2511#L450-1 assume !(0 == ~e_c~0); 2464#L455-1 assume !(0 == ~e_wl~0); 2465#L460-1 assume !(1 == ~wl_pc~0); 2487#L472 assume !(2 == ~wl_pc~0); 2488#L473 assume !(1 == ~c1_pc~0); 2556#L483 assume !(1 == ~c2_pc~0); 2450#L492 assume !(1 == ~wb_pc~0); 2505#L501 assume !(1 == ~e_c~0); 2522#L510-1 assume !(1 == ~e_e~0); 2468#L515-1 assume 1 == ~e_f~0;~e_f~0 := 2; 2447#L520-1 assume !(1 == ~e_g~0); 2448#L525-1 assume !(1 == ~e_c~0); 2508#L530-1 assume !(1 == ~e_wl~0); 2728#L672-1 [2022-10-17 10:46:43,821 INFO L750 eck$LassoCheckResult]: Loop: 2728#L672-1 assume !false; 2723#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 2722#L377 assume !false; 2721#L295 assume !(0 == ~wl_st~0); 2720#L299 assume !(0 == ~c1_st~0); 2719#L302 assume !(0 == ~c2_st~0); 2718#L305 assume !(0 == ~wb_st~0); 2439#L308 assume !(0 == ~r_st~0); 2441#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 2463#L548 assume !(1 == ~c_req_up~0); 2437#L548-2 start_simulation_~kernel_st~0#1 := 3; 2438#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 2553#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 2457#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 2458#L570-1 assume !(0 == ~e_c~0); 2493#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 2494#L580-1 assume 1 == ~wl_pc~0; 2555#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 2460#L593 assume !(1 == ~c1_pc~0); 2517#L603 assume !(1 == ~c2_pc~0); 2501#L612 assume !(1 == ~wb_pc~0); 2751#L621 assume !(1 == ~e_c~0); 2745#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 2743#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 2565#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 2742#L645-1 assume !(1 == ~e_c~0); 2601#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 2739#L655-1 assume 0 == ~wl_st~0; 2728#L672-1 [2022-10-17 10:46:43,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:43,822 INFO L85 PathProgramCache]: Analyzing trace with hash 255545497, now seen corresponding path program 1 times [2022-10-17 10:46:43,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:43,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153364447] [2022-10-17 10:46:43,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:43,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:43,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:43,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:43,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153364447] [2022-10-17 10:46:43,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153364447] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:43,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:43,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:46:43,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771845788] [2022-10-17 10:46:43,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:43,890 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:46:43,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:43,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1473618571, now seen corresponding path program 1 times [2022-10-17 10:46:43,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:43,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671053352] [2022-10-17 10:46:43,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:43,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:43,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:46:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:43,929 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:46:44,245 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:46:44,247 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:46:44,248 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:46:44,248 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:46:44,248 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:46:44,248 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:44,249 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:46:44,249 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:46:44,249 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration8_Loop [2022-10-17 10:46:44,249 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:46:44,258 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:46:44,281 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,298 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,302 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,306 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,308 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,314 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,321 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,325 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,328 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,331 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,334 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,336 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,339 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,342 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,348 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,351 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,354 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,359 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,362 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,365 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,367 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,373 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,375 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,377 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,383 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:44,684 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:46:44,684 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:46:44,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:44,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:44,696 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:44,698 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:44,698 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:44,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:46:44,725 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:44,725 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-7} Honda state: {~e_c~0=-7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:44,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:44,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:44,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:44,771 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:44,779 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:44,779 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:44,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:46:44,826 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:44,826 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: [] [2022-10-17 10:46:44,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:44,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:44,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:44,877 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:44,887 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:44,887 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:44,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:46:44,907 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:44,907 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:44,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:44,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:44,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:44,934 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:44,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:46:44,940 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:44,940 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:44,974 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:44,974 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___2~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp___2~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:45,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:45,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:45,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:45,014 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:45,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:46:45,016 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:45,016 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:45,038 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:45,038 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:45,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:45,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:45,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:45,094 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:45,100 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:45,101 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:45,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:46:45,121 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:45,121 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c_req_up~0=4} Honda state: {~c_req_up~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:45,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:45,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:45,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:45,165 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:45,173 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:45,173 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:45,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:46:45,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:45,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:45,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:45,243 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:45,249 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:46:45,249 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:45,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:46:45,277 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:46:45,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:45,320 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:46:45,320 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:46:45,320 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:46:45,320 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:46:45,321 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:46:45,321 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:45,321 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:46:45,321 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:46:45,321 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration8_Loop [2022-10-17 10:46:45,321 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:46:45,321 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:46:45,324 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,354 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,358 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,361 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,379 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,386 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,390 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,394 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,397 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,400 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,403 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,415 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,418 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,428 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,432 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,435 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,438 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,444 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,447 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,450 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,453 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,460 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,463 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,466 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,472 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:45,704 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:46:45,708 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:46:45,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:45,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:45,711 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:45,723 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 [2022-10-17 10:46:45,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:45,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:45,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:45,733 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:46:45,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:45,736 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:46:45,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:45,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-10-17 10:46:45,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:45,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:45,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:45,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:45,794 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:45,805 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 [2022-10-17 10:46:45,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:45,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:45,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:45,816 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:46:45,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:45,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-10-17 10:46:45,818 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:46:45,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:45,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:45,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:45,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:45,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:45,878 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:45,884 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 [2022-10-17 10:46:45,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:45,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:45,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:45,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:46:45,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:45,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:46:45,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:45,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-10-17 10:46:45,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:45,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:45,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:45,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:45,952 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:45,955 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 [2022-10-17 10:46:45,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:45,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:45,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:45,966 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:46:45,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:45,968 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:46:45,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:45,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-10-17 10:46:45,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:46,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:46,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:46,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:46,031 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:46,040 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 [2022-10-17 10:46:46,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:46,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:46,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:46,051 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:46:46,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:46,055 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:46:46,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:46,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-10-17 10:46:46,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:46,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:46,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:46,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:46,113 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:46,119 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 [2022-10-17 10:46:46,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:46,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:46,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:46,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:46:46,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:46,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:46:46,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:46,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-10-17 10:46:46,145 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:46:46,149 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:46:46,149 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:46:46,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:46,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:46,153 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:46,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-10-17 10:46:46,190 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:46:46,190 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:46:46,190 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:46:46,191 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_wl~0) = -1*~e_wl~0 + 1 Supporting invariants [] [2022-10-17 10:46:46,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:46,215 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:46:46,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:46,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:46:46,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:46:46,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:46,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:46:46,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:46:46,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:46,538 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 [2022-10-17 10:46:46,540 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 369 states and 630 transitions. cyclomatic complexity: 263 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:46,698 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 369 states and 630 transitions. cyclomatic complexity: 263. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1270 states and 2159 transitions. Complement of second has 5 states. [2022-10-17 10:46:46,700 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 [2022-10-17 10:46:46,704 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) [2022-10-17 10:46:46,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions. [2022-10-17 10:46:46,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 24 letters. Loop has 28 letters. [2022-10-17 10:46:46,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:46:46,711 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 52 letters. Loop has 28 letters. [2022-10-17 10:46:46,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:46:46,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 24 letters. Loop has 56 letters. [2022-10-17 10:46:46,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:46:46,718 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1270 states and 2159 transitions. [2022-10-17 10:46:46,736 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 869 [2022-10-17 10:46:46,755 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1270 states to 1267 states and 2153 transitions. [2022-10-17 10:46:46,755 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 955 [2022-10-17 10:46:46,758 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 972 [2022-10-17 10:46:46,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1267 states and 2153 transitions. [2022-10-17 10:46:46,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:46:46,759 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1267 states and 2153 transitions. [2022-10-17 10:46:46,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states and 2153 transitions. [2022-10-17 10:46:46,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 952. [2022-10-17 10:46:46,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 952 states have (on average 1.7069327731092436) internal successors, (1625), 951 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:46,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1625 transitions. [2022-10-17 10:46:46,795 INFO L240 hiAutomatonCegarLoop]: Abstraction has 952 states and 1625 transitions. [2022-10-17 10:46:46,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:46:46,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:46:46,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:46:46,797 INFO L87 Difference]: Start difference. First operand 952 states and 1625 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:46,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:46:46,933 INFO L93 Difference]: Finished difference Result 1170 states and 1981 transitions. [2022-10-17 10:46:46,933 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1170 states and 1981 transitions. [2022-10-17 10:46:46,946 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 691 [2022-10-17 10:46:46,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1170 states to 1170 states and 1981 transitions. [2022-10-17 10:46:46,959 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 811 [2022-10-17 10:46:46,960 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 811 [2022-10-17 10:46:46,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1170 states and 1981 transitions. [2022-10-17 10:46:46,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:46:46,961 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1170 states and 1981 transitions. [2022-10-17 10:46:46,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states and 1981 transitions. [2022-10-17 10:46:46,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1149. [2022-10-17 10:46:46,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 1149 states have (on average 1.7049608355091384) internal successors, (1959), 1148 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:46,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1959 transitions. [2022-10-17 10:46:46,999 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1149 states and 1959 transitions. [2022-10-17 10:46:47,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:46:47,002 INFO L428 stractBuchiCegarLoop]: Abstraction has 1149 states and 1959 transitions. [2022-10-17 10:46:47,002 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-10-17 10:46:47,002 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1149 states and 1959 transitions. [2022-10-17 10:46:47,011 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 687 [2022-10-17 10:46:47,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:46:47,011 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:46:47,013 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] [2022-10-17 10:46:47,013 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] [2022-10-17 10:46:47,015 INFO L748 eck$LassoCheckResult]: Stem: 6635#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 6512#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 6513#L404 assume !(1 == ~c_req_up~0); 6633#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 6722#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 6721#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 6720#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 6719#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 6644#L435-1 assume !(0 == ~e_f~0); 6465#L440-1 assume !(0 == ~e_g~0); 6466#L445-1 assume !(0 == ~e_e~0); 6516#L450-1 assume !(0 == ~e_c~0); 6522#L455-1 assume !(0 == ~e_wl~0); 6724#L460-1 assume !(1 == ~wl_pc~0); 6485#L472 assume !(2 == ~wl_pc~0); 6486#L473 assume !(1 == ~c1_pc~0); 6618#L483 assume !(1 == ~c2_pc~0); 6418#L492 assume !(1 == ~wb_pc~0); 6515#L501 assume !(1 == ~e_c~0); 6481#L510-1 assume !(1 == ~e_e~0); 6451#L515-1 assume !(1 == ~e_f~0); 6415#L520-1 assume !(1 == ~e_g~0); 6416#L525-1 assume !(1 == ~e_c~0); 6517#L530-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 6595#L672-1 [2022-10-17 10:46:47,015 INFO L750 eck$LassoCheckResult]: Loop: 6595#L672-1 assume !false; 7245#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 7246#L377 assume !false; 7241#L295 assume !(0 == ~wl_st~0); 7242#L299 assume !(0 == ~c1_st~0); 7226#L302 assume !(0 == ~c2_st~0); 7227#L305 assume !(0 == ~wb_st~0); 7212#L308 assume !(0 == ~r_st~0); 7214#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 7195#L548 assume !(1 == ~c_req_up~0); 6396#L548-2 start_simulation_~kernel_st~0#1 := 3; 6397#L560 assume !(0 == ~e_f~0); 6456#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 6431#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 6432#L570-1 assume !(0 == ~e_c~0); 6494#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 6495#L580-1 assume !(1 == ~wl_pc~0); 6437#L592 assume !(2 == ~wl_pc~0); 6438#L593 assume !(1 == ~c1_pc~0); 6533#L603 assume !(1 == ~c2_pc~0); 6360#L612 assume !(1 == ~wb_pc~0); 6362#L621 assume !(1 == ~e_c~0); 6550#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 6551#L635-1 assume !(1 == ~e_f~0); 6648#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 6649#L645-1 assume !(1 == ~e_c~0); 7267#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 7259#L655-1 assume 0 == ~wl_st~0; 6595#L672-1 [2022-10-17 10:46:47,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:47,016 INFO L85 PathProgramCache]: Analyzing trace with hash 255605077, now seen corresponding path program 1 times [2022-10-17 10:46:47,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:47,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016001759] [2022-10-17 10:46:47,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:47,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:47,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:47,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:47,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016001759] [2022-10-17 10:46:47,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016001759] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:47,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:47,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:46:47,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594665183] [2022-10-17 10:46:47,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:47,140 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:46:47,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:47,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1784107586, now seen corresponding path program 1 times [2022-10-17 10:46:47,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:47,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255385003] [2022-10-17 10:46:47,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:47,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:47,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:47,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:47,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255385003] [2022-10-17 10:46:47,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255385003] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:47,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:47,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:46:47,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033563246] [2022-10-17 10:46:47,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:47,175 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:46:47,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:46:47,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:46:47,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:46:47,176 INFO L87 Difference]: Start difference. First operand 1149 states and 1959 transitions. cyclomatic complexity: 816 Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:47,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:46:47,279 INFO L93 Difference]: Finished difference Result 1915 states and 3215 transitions. [2022-10-17 10:46:47,279 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1915 states and 3215 transitions. [2022-10-17 10:46:47,301 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 979 [2022-10-17 10:46:47,321 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1915 states to 1915 states and 3215 transitions. [2022-10-17 10:46:47,321 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1280 [2022-10-17 10:46:47,323 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1280 [2022-10-17 10:46:47,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1915 states and 3215 transitions. [2022-10-17 10:46:47,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:46:47,324 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1915 states and 3215 transitions. [2022-10-17 10:46:47,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1915 states and 3215 transitions. [2022-10-17 10:46:47,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1915 to 1427. [2022-10-17 10:46:47,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1427 states, 1427 states have (on average 1.6937631394533987) internal successors, (2417), 1426 states have internal predecessors, (2417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:47,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 2417 transitions. [2022-10-17 10:46:47,372 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1427 states and 2417 transitions. [2022-10-17 10:46:47,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:46:47,374 INFO L428 stractBuchiCegarLoop]: Abstraction has 1427 states and 2417 transitions. [2022-10-17 10:46:47,374 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-10-17 10:46:47,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1427 states and 2417 transitions. [2022-10-17 10:46:47,386 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 789 [2022-10-17 10:46:47,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:46:47,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:46:47,389 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] [2022-10-17 10:46:47,389 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] [2022-10-17 10:46:47,389 INFO L748 eck$LassoCheckResult]: Stem: 9692#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 9583#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 9584#L404 assume !(1 == ~c_req_up~0); 9640#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 9527#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 9528#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 9663#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 9664#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 9696#L435-1 assume !(0 == ~e_f~0); 9697#L440-1 assume !(0 == ~e_g~0); 9705#L445-1 assume !(0 == ~e_e~0); 9594#L450-1 assume !(0 == ~e_c~0); 9520#L455-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 9521#L460-1 assume !(1 == ~wl_pc~0); 9650#L472 assume !(2 == ~wl_pc~0); 10158#L473 assume !(1 == ~c1_pc~0); 10191#L483 assume !(1 == ~c2_pc~0); 10189#L492 assume !(1 == ~wb_pc~0); 10187#L501 assume !(1 == ~e_c~0); 10186#L510-1 assume !(1 == ~e_e~0); 10185#L515-1 assume !(1 == ~e_f~0); 10183#L520-1 assume !(1 == ~e_g~0); 10182#L525-1 assume !(1 == ~e_c~0); 10161#L530-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 10162#L672-1 [2022-10-17 10:46:47,390 INFO L750 eck$LassoCheckResult]: Loop: 10162#L672-1 assume !false; 10510#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 10504#L377 assume !false; 10498#L295 assume !(0 == ~wl_st~0); 10496#L299 assume !(0 == ~c1_st~0); 10494#L302 assume !(0 == ~c2_st~0); 10492#L305 assume !(0 == ~wb_st~0); 10489#L308 assume !(0 == ~r_st~0); 10487#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 10483#L548 assume !(1 == ~c_req_up~0); 10484#L548-2 start_simulation_~kernel_st~0#1 := 3; 10573#L560 assume !(0 == ~e_f~0); 10572#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 10571#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 10570#L570-1 assume !(0 == ~e_c~0); 10568#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 10567#L580-1 assume 1 == ~wl_pc~0; 10563#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 10560#L593 assume !(1 == ~c1_pc~0); 10559#L603 assume !(1 == ~c2_pc~0); 10557#L612 assume !(1 == ~wb_pc~0); 10555#L621 assume !(1 == ~e_c~0); 10554#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 10549#L635-1 assume !(1 == ~e_f~0); 10547#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 10545#L645-1 assume !(1 == ~e_c~0); 10194#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 10195#L655-1 assume 0 == ~wl_st~0; 10162#L672-1 [2022-10-17 10:46:47,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:47,390 INFO L85 PathProgramCache]: Analyzing trace with hash -2560361, now seen corresponding path program 1 times [2022-10-17 10:46:47,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:47,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191152003] [2022-10-17 10:46:47,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:47,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:47,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:47,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:47,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191152003] [2022-10-17 10:46:47,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191152003] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:47,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:47,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:46:47,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848782737] [2022-10-17 10:46:47,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:47,438 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:46:47,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:47,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1234847865, now seen corresponding path program 1 times [2022-10-17 10:46:47,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:47,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004064244] [2022-10-17 10:46:47,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:47,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:47,445 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:46:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:47,452 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:46:47,632 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:46:47,633 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:46:47,633 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:46:47,633 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:46:47,633 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:46:47,633 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:47,633 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:46:47,634 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:46:47,634 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration10_Loop [2022-10-17 10:46:47,634 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:46:47,634 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:46:47,642 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,645 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,649 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,652 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,654 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,658 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,660 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,662 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,684 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,687 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,689 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,695 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,703 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,706 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,711 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,713 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,719 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,721 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,726 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,729 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,734 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,737 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,739 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,741 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,743 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,745 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:47,933 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:46:47,933 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:46:47,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:47,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:47,938 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:47,950 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:47,950 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:47,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-10-17 10:46:47,972 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:47,972 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:48,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:48,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:48,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:48,008 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:48,014 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:48,014 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:48,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-10-17 10:46:48,034 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:48,034 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-7} Honda state: {~e_c~0=-7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:48,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:48,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:48,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:48,075 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:48,081 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:48,081 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:48,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-10-17 10:46:48,102 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:48,102 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: [] [2022-10-17 10:46:48,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:48,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:48,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:48,139 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:48,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-10-17 10:46:48,145 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:48,145 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:48,166 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:48,167 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: [] [2022-10-17 10:46:48,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:48,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:48,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:48,204 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:48,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-10-17 10:46:48,213 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:48,213 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:48,227 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:48,227 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:48,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:48,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:48,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:48,252 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:48,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-10-17 10:46:48,253 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:48,253 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:48,261 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:48,261 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: [] [2022-10-17 10:46:48,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:48,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:48,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:48,282 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:48,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-10-17 10:46:48,284 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:48,284 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:48,292 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:48,292 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet7#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:48,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:48,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:48,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:48,313 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:48,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-10-17 10:46:48,316 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:48,316 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:48,333 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:48,333 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet5#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:48,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-10-17 10:46:48,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:48,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:48,358 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:48,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-10-17 10:46:48,359 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:48,359 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:48,372 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:48,373 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:48,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-10-17 10:46:48,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:48,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:48,395 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:48,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-10-17 10:46:48,399 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:48,399 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:48,413 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:48,413 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~wb_st~0=-1} Honda state: {~wb_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:48,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:48,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:48,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:48,437 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:48,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-10-17 10:46:48,438 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:48,438 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:48,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:48,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:48,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:48,473 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:48,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-10-17 10:46:48,477 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:46:48,477 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:48,494 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:46:48,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-10-17 10:46:48,515 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:46:48,515 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:46:48,515 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:46:48,515 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:46:48,515 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:46:48,515 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:48,515 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:46:48,515 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:46:48,515 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration10_Loop [2022-10-17 10:46:48,515 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:46:48,515 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:46:48,517 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,532 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,536 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,540 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,542 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,544 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,548 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,550 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,554 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,557 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,560 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,564 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,567 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,569 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,574 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,578 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,581 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,586 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,590 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,594 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,599 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,602 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,606 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,608 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:48,874 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:46:48,874 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:46:48,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:48,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:48,886 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:48,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-10-17 10:46:48,938 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 [2022-10-17 10:46:48,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:48,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:48,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:48,948 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:46:48,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:48,949 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:46:48,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:48,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:49,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:49,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:49,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:49,020 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:49,022 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 [2022-10-17 10:46:49,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:49,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:49,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:49,032 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:46:49,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:49,033 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:46:49,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:49,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-10-17 10:46:49,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:49,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:49,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:49,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:49,087 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:49,089 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 [2022-10-17 10:46:49,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:49,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:49,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:49,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:46:49,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:49,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:46:49,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:49,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-10-17 10:46:49,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:49,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-10-17 10:46:49,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:49,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:49,149 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:49,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-10-17 10:46:49,151 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 [2022-10-17 10:46:49,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:49,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:49,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:49,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:46:49,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:49,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:46:49,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:49,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:49,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-10-17 10:46:49,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:49,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:49,195 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:49,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-10-17 10:46:49,216 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 [2022-10-17 10:46:49,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:49,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:49,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:49,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:46:49,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:49,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:46:49,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:49,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:49,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:49,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:49,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:49,290 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:49,292 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 [2022-10-17 10:46:49,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:49,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:49,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:49,303 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:46:49,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:49,304 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:46:49,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:49,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-10-17 10:46:49,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:49,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:49,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:49,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:49,359 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:49,362 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 [2022-10-17 10:46:49,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:49,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:49,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:49,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:46:49,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:49,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:46:49,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:49,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-10-17 10:46:49,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:49,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:49,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:49,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:49,430 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:49,432 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 [2022-10-17 10:46:49,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:49,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:49,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:49,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:46:49,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:49,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:46:49,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:49,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-10-17 10:46:49,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:49,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:49,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:49,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:49,506 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:49,510 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 [2022-10-17 10:46:49,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:49,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:49,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:49,521 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:46:49,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:49,522 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:46:49,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:49,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-10-17 10:46:49,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:49,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:49,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:49,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:49,579 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:49,581 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 [2022-10-17 10:46:49,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:49,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:49,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:49,592 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:46:49,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:49,593 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:46:49,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:49,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-10-17 10:46:49,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:49,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:49,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:49,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:49,648 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:49,654 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 [2022-10-17 10:46:49,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:49,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:49,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:49,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:46:49,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:49,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:46:49,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:49,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-10-17 10:46:49,677 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:46:49,683 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:46:49,683 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:46:49,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:49,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:49,684 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:49,687 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:46:49,688 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:46:49,688 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:46:49,688 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_wl~0) = -1*~e_wl~0 + 1 Supporting invariants [] [2022-10-17 10:46:49,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-10-17 10:46:49,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:49,726 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:46:49,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:49,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:46:49,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:46:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:49,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:46:49,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:46:49,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:49,918 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 [2022-10-17 10:46:49,919 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1427 states and 2417 transitions. cyclomatic complexity: 996 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:50,003 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1427 states and 2417 transitions. cyclomatic complexity: 996. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2780 states and 4700 transitions. Complement of second has 5 states. [2022-10-17 10:46:50,004 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 [2022-10-17 10:46:50,005 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) [2022-10-17 10:46:50,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2022-10-17 10:46:50,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 24 letters. Loop has 28 letters. [2022-10-17 10:46:50,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:46:50,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 52 letters. Loop has 28 letters. [2022-10-17 10:46:50,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:46:50,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 24 letters. Loop has 56 letters. [2022-10-17 10:46:50,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:46:50,008 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2780 states and 4700 transitions. [2022-10-17 10:46:50,038 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 1578 [2022-10-17 10:46:50,069 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2780 states to 2777 states and 4694 transitions. [2022-10-17 10:46:50,069 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1861 [2022-10-17 10:46:50,072 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1884 [2022-10-17 10:46:50,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2777 states and 4694 transitions. [2022-10-17 10:46:50,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:46:50,073 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2777 states and 4694 transitions. [2022-10-17 10:46:50,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2777 states and 4694 transitions. [2022-10-17 10:46:50,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2777 to 1427. [2022-10-17 10:46:50,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1427 states, 1427 states have (on average 1.6937631394533987) internal successors, (2417), 1426 states have internal predecessors, (2417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:50,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 2417 transitions. [2022-10-17 10:46:50,131 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1427 states and 2417 transitions. [2022-10-17 10:46:50,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:46:50,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:46:50,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:46:50,133 INFO L87 Difference]: Start difference. First operand 1427 states and 2417 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:50,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:46:50,231 INFO L93 Difference]: Finished difference Result 1824 states and 2961 transitions. [2022-10-17 10:46:50,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1824 states and 2961 transitions. [2022-10-17 10:46:50,250 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 1192 [2022-10-17 10:46:50,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1824 states to 1290 states and 2103 transitions. [2022-10-17 10:46:50,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1290 [2022-10-17 10:46:50,265 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1290 [2022-10-17 10:46:50,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1290 states and 2103 transitions. [2022-10-17 10:46:50,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:46:50,268 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1290 states and 2103 transitions. [2022-10-17 10:46:50,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states and 2103 transitions. [2022-10-17 10:46:50,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1003. [2022-10-17 10:46:50,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 1003 states have (on average 1.6340977068793618) internal successors, (1639), 1002 states have internal predecessors, (1639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:50,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1639 transitions. [2022-10-17 10:46:50,364 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1003 states and 1639 transitions. [2022-10-17 10:46:50,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:46:50,366 INFO L428 stractBuchiCegarLoop]: Abstraction has 1003 states and 1639 transitions. [2022-10-17 10:46:50,366 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-10-17 10:46:50,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1003 states and 1639 transitions. [2022-10-17 10:46:50,373 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 928 [2022-10-17 10:46:50,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:46:50,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:46:50,374 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] [2022-10-17 10:46:50,375 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] [2022-10-17 10:46:50,375 INFO L748 eck$LassoCheckResult]: Stem: 17230#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 17158#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 17159#L404 assume !(1 == ~c_req_up~0); 17189#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 17190#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 17176#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 17177#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 17154#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 17155#L435-1 assume !(0 == ~e_f~0); 17131#L440-1 assume !(0 == ~e_g~0); 17132#L445-1 assume !(0 == ~e_e~0); 17168#L450-1 assume !(0 == ~e_c~0); 17169#L455-1 assume !(0 == ~e_wl~0); 17264#L460-1 assume !(1 == ~wl_pc~0); 17261#L472 assume !(2 == ~wl_pc~0); 17260#L473 assume !(1 == ~c1_pc~0); 17221#L483 assume !(1 == ~c2_pc~0); 17103#L492 assume !(1 == ~wb_pc~0); 17180#L501 assume !(1 == ~e_c~0); 17181#L510-1 assume !(1 == ~e_e~0); 17256#L515-1 assume !(1 == ~e_f~0); 17255#L520-1 assume !(1 == ~e_g~0); 17164#L525-1 assume !(1 == ~e_c~0); 17165#L530-1 assume !(1 == ~e_wl~0); 17663#L672-1 [2022-10-17 10:46:50,375 INFO L750 eck$LassoCheckResult]: Loop: 17663#L672-1 assume !false; 17940#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 17939#L377 assume !false; 17938#L295 assume !(0 == ~wl_st~0); 17937#L299 assume !(0 == ~c1_st~0); 17936#L302 assume !(0 == ~c2_st~0); 17935#L305 assume !(0 == ~wb_st~0); 17933#L308 assume !(0 == ~r_st~0); 17932#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 17931#L548 assume !(1 == ~c_req_up~0); 17705#L548-2 start_simulation_~kernel_st~0#1 := 3; 17700#L560 assume !(0 == ~e_f~0); 17701#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 17696#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 17697#L570-1 assume !(0 == ~e_c~0); 17692#L575-1 assume !(0 == ~e_wl~0); 17693#L580-1 assume !(1 == ~wl_pc~0); 17690#L592 assume !(2 == ~wl_pc~0); 17689#L593 assume !(1 == ~c1_pc~0); 17684#L603 assume !(1 == ~c2_pc~0); 17683#L612 assume !(1 == ~wb_pc~0); 17978#L621 assume !(1 == ~e_c~0); 17977#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 17976#L635-1 assume !(1 == ~e_f~0); 17975#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 17974#L645-1 assume !(1 == ~e_c~0); 17973#L650-1 assume !(1 == ~e_wl~0); 17970#L655-1 assume 0 == ~wl_st~0; 17663#L672-1 [2022-10-17 10:46:50,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:50,376 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 2 times [2022-10-17 10:46:50,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:50,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080500402] [2022-10-17 10:46:50,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:50,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:50,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:50,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:46:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:50,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:46:50,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:50,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1197301634, now seen corresponding path program 1 times [2022-10-17 10:46:50,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:50,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822787016] [2022-10-17 10:46:50,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:50,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:50,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:50,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:50,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822787016] [2022-10-17 10:46:50,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822787016] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:50,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:50,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:46:50,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352859574] [2022-10-17 10:46:50,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:50,425 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:46:50,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:46:50,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:46:50,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:46:50,426 INFO L87 Difference]: Start difference. First operand 1003 states and 1639 transitions. cyclomatic complexity: 640 Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:50,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:46:50,460 INFO L93 Difference]: Finished difference Result 1585 states and 2559 transitions. [2022-10-17 10:46:50,460 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1585 states and 2559 transitions. [2022-10-17 10:46:50,475 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1510 [2022-10-17 10:46:50,489 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1585 states to 1585 states and 2559 transitions. [2022-10-17 10:46:50,489 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1585 [2022-10-17 10:46:50,491 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1585 [2022-10-17 10:46:50,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1585 states and 2559 transitions. [2022-10-17 10:46:50,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:46:50,494 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1585 states and 2559 transitions. [2022-10-17 10:46:50,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states and 2559 transitions. [2022-10-17 10:46:50,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1585. [2022-10-17 10:46:50,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1585 states, 1585 states have (on average 1.6145110410094636) internal successors, (2559), 1584 states have internal predecessors, (2559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:50,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 2559 transitions. [2022-10-17 10:46:50,536 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1585 states and 2559 transitions. [2022-10-17 10:46:50,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:46:50,537 INFO L428 stractBuchiCegarLoop]: Abstraction has 1585 states and 2559 transitions. [2022-10-17 10:46:50,537 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-10-17 10:46:50,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1585 states and 2559 transitions. [2022-10-17 10:46:50,548 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1510 [2022-10-17 10:46:50,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:46:50,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:46:50,549 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] [2022-10-17 10:46:50,549 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:46:50,549 INFO L748 eck$LassoCheckResult]: Stem: 19818#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 19751#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 19752#L404 assume !(1 == ~c_req_up~0); 19779#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 19713#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 19714#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 19767#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 19747#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 19748#L435-1 assume !(0 == ~e_f~0); 19724#L440-1 assume !(0 == ~e_g~0); 19725#L445-1 assume !(0 == ~e_e~0); 19755#L450-1 assume !(0 == ~e_c~0); 19760#L455-1 assume !(0 == ~e_wl~0); 19855#L460-1 assume !(1 == ~wl_pc~0); 19852#L472 assume !(2 == ~wl_pc~0); 19851#L473 assume !(1 == ~c1_pc~0); 19849#L483 assume !(1 == ~c2_pc~0); 19844#L492 assume !(1 == ~wb_pc~0); 19771#L501 assume !(1 == ~e_c~0); 19731#L510-1 assume !(1 == ~e_e~0); 19732#L515-1 assume !(1 == ~e_f~0); 19842#L520-1 assume !(1 == ~e_g~0); 19756#L525-1 assume !(1 == ~e_c~0); 19757#L530-1 assume !(1 == ~e_wl~0); 20450#L672-1 [2022-10-17 10:46:50,550 INFO L750 eck$LassoCheckResult]: Loop: 20450#L672-1 assume !false; 21193#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 21190#L377 assume !false; 21098#L295 assume !(0 == ~wl_st~0); 20822#L299 assume !(0 == ~c1_st~0); 20398#L302 assume !(0 == ~c2_st~0); 20399#L305 assume !(0 == ~wb_st~0); 20395#L308 assume !(0 == ~r_st~0); 20396#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 20725#L548 assume !(1 == ~c_req_up~0); 20727#L548-2 start_simulation_~kernel_st~0#1 := 3; 21138#L560 assume !(0 == ~e_f~0); 21137#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 21136#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 21135#L570-1 assume !(0 == ~e_c~0); 21134#L575-1 assume !(0 == ~e_wl~0); 21133#L580-1 assume !(1 == ~wl_pc~0); 21131#L592 assume 2 == ~wl_pc~0; 21129#L594 assume 1 == ~e_e~0;~wl_st~0 := 0; 21127#L593 assume !(1 == ~c1_pc~0); 20473#L603 assume !(1 == ~c2_pc~0); 20472#L612 assume !(1 == ~wb_pc~0); 21124#L621 assume !(1 == ~e_c~0); 21123#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 21122#L635-1 assume !(1 == ~e_f~0); 21121#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 21120#L645-1 assume !(1 == ~e_c~0); 21119#L650-1 assume !(1 == ~e_wl~0); 21118#L655-1 assume 0 == ~wl_st~0; 20450#L672-1 [2022-10-17 10:46:50,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:50,550 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 3 times [2022-10-17 10:46:50,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:50,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468152466] [2022-10-17 10:46:50,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:50,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:50,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:46:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:50,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:46:50,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:50,571 INFO L85 PathProgramCache]: Analyzing trace with hash -869781309, now seen corresponding path program 1 times [2022-10-17 10:46:50,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:50,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407200767] [2022-10-17 10:46:50,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:50,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:50,576 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:46:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:50,582 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:46:50,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:50,583 INFO L85 PathProgramCache]: Analyzing trace with hash 44318509, now seen corresponding path program 1 times [2022-10-17 10:46:50,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:50,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115119011] [2022-10-17 10:46:50,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:50,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:50,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:50,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:50,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115119011] [2022-10-17 10:46:50,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115119011] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:50,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:50,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:46:50,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256445140] [2022-10-17 10:46:50,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:50,863 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:46:50,864 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:46:50,864 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:46:50,864 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:46:50,864 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:46:50,864 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:50,864 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:46:50,864 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:46:50,864 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration12_Loop [2022-10-17 10:46:50,864 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:46:50,865 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:46:50,866 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,872 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,877 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,880 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,882 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,911 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,914 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,917 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,920 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,925 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,928 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,931 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,933 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,936 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,942 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,946 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,948 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,955 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,958 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,961 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,965 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,970 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,973 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,977 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,980 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:50,983 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,210 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:46:51,211 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:46:51,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:51,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:51,212 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:51,218 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:51,218 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:51,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-10-17 10:46:51,240 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:51,240 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-7} Honda state: {~e_c~0=-7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:51,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:51,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:51,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:51,283 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:51,286 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:51,286 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:51,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-10-17 10:46:51,310 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:51,310 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_wl~0=-1} Honda state: {~e_wl~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:51,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-10-17 10:46:51,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:51,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:51,335 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:51,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-10-17 10:46:51,336 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:51,336 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:51,345 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:51,345 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: [] [2022-10-17 10:46:51,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-10-17 10:46:51,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:51,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:51,368 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:51,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-10-17 10:46:51,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:51,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:51,391 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:51,391 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: [] [2022-10-17 10:46:51,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:51,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:51,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:51,427 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:51,429 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:51,430 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:51,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-10-17 10:46:51,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:51,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:51,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:51,498 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:51,500 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:46:51,500 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:51,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-10-17 10:46:51,537 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:46:51,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-10-17 10:46:51,570 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:46:51,570 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:46:51,570 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:46:51,570 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:46:51,570 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:46:51,570 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:51,570 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:46:51,571 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:46:51,571 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration12_Loop [2022-10-17 10:46:51,571 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:46:51,571 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:46:51,573 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,577 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,581 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,585 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,589 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,597 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,600 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,602 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,606 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,609 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,619 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,623 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,624 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,627 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,629 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,633 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,635 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,640 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,663 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,665 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,668 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,672 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,674 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:51,930 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:46:51,930 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:46:51,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:51,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:51,938 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:51,942 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 [2022-10-17 10:46:51,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:51,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:51,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:51,953 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:46:51,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:51,954 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:46:51,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:51,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-10-17 10:46:51,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:52,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:52,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:52,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:52,012 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:52,014 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 [2022-10-17 10:46:52,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:52,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:52,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:52,025 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:46:52,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:52,026 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:46:52,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:52,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-10-17 10:46:52,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:52,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:52,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:52,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:52,080 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:52,082 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 [2022-10-17 10:46:52,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:52,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:52,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:52,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:46:52,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:52,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:46:52,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:52,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-10-17 10:46:52,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:52,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:52,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:52,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:52,145 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:52,148 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 [2022-10-17 10:46:52,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:52,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:52,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:52,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:46:52,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:52,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:46:52,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:52,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-10-17 10:46:52,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:52,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:52,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:52,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:52,211 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:52,213 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 [2022-10-17 10:46:52,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:52,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:52,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:52,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:46:52,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:52,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:46:52,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:52,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-10-17 10:46:52,241 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:46:52,245 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:46:52,245 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:46:52,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:52,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:52,246 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:52,248 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:46:52,248 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:46:52,249 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:46:52,249 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_e~0) = -1*~e_e~0 + 1 Supporting invariants [] [2022-10-17 10:46:52,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-10-17 10:46:52,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:52,285 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:46:52,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:52,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:46:52,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:46:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:52,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:46:52,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:46:52,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:52,460 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 [2022-10-17 10:46:52,461 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1585 states and 2559 transitions. cyclomatic complexity: 978 Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:52,565 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1585 states and 2559 transitions. cyclomatic complexity: 978. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 4213 states and 6824 transitions. Complement of second has 5 states. [2022-10-17 10:46:52,566 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 [2022-10-17 10:46:52,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:52,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2022-10-17 10:46:52,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 201 transitions. Stem has 24 letters. Loop has 29 letters. [2022-10-17 10:46:52,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:46:52,568 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 201 transitions. Stem has 53 letters. Loop has 29 letters. [2022-10-17 10:46:52,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:46:52,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 201 transitions. Stem has 24 letters. Loop has 58 letters. [2022-10-17 10:46:52,570 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:46:52,570 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4213 states and 6824 transitions. [2022-10-17 10:46:52,607 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 2773 [2022-10-17 10:46:52,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:52,648 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4213 states to 4213 states and 6824 transitions. [2022-10-17 10:46:52,649 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2851 [2022-10-17 10:46:52,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2896 [2022-10-17 10:46:52,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4213 states and 6824 transitions. [2022-10-17 10:46:52,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:46:52,656 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4213 states and 6824 transitions. [2022-10-17 10:46:52,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4213 states and 6824 transitions. [2022-10-17 10:46:52,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4213 to 4168. [2022-10-17 10:46:52,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4168 states, 4168 states have (on average 1.6190019193857965) internal successors, (6748), 4167 states have internal predecessors, (6748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:52,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 4168 states and 6748 transitions. [2022-10-17 10:46:52,769 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4168 states and 6748 transitions. [2022-10-17 10:46:52,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:46:52,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:46:52,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:46:52,770 INFO L87 Difference]: Start difference. First operand 4168 states and 6748 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:52,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:46:52,811 INFO L93 Difference]: Finished difference Result 3262 states and 5294 transitions. [2022-10-17 10:46:52,811 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3262 states and 5294 transitions. [2022-10-17 10:46:52,831 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 2167 [2022-10-17 10:46:52,856 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3262 states to 3262 states and 5294 transitions. [2022-10-17 10:46:52,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2248 [2022-10-17 10:46:52,859 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2248 [2022-10-17 10:46:52,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3262 states and 5294 transitions. [2022-10-17 10:46:52,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:46:52,860 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3262 states and 5294 transitions. [2022-10-17 10:46:52,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states and 5294 transitions. [2022-10-17 10:46:52,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 2914. [2022-10-17 10:46:52,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2914 states, 2914 states have (on average 1.6304049416609472) internal successors, (4751), 2913 states have internal predecessors, (4751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:52,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 4751 transitions. [2022-10-17 10:46:52,975 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2914 states and 4751 transitions. [2022-10-17 10:46:52,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:46:52,976 INFO L428 stractBuchiCegarLoop]: Abstraction has 2914 states and 4751 transitions. [2022-10-17 10:46:52,976 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-10-17 10:46:52,976 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2914 states and 4751 transitions. [2022-10-17 10:46:52,987 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1933 [2022-10-17 10:46:52,988 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:46:52,988 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:46:52,988 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] [2022-10-17 10:46:52,989 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:46:52,989 INFO L748 eck$LassoCheckResult]: Stem: 33350#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 33227#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 33228#L404 assume !(1 == ~c_req_up~0); 33273#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 33274#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 33253#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 33254#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 33219#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 33220#L435-1 assume !(0 == ~e_f~0); 33176#L440-1 assume !(0 == ~e_g~0); 33177#L445-1 assume !(0 == ~e_e~0); 33239#L450-1 assume !(0 == ~e_c~0); 33240#L455-1 assume !(0 == ~e_wl~0); 33405#L460-1 assume !(1 == ~wl_pc~0); 33402#L472 assume !(2 == ~wl_pc~0); 33401#L473 assume !(1 == ~c1_pc~0); 33329#L483 assume !(1 == ~c2_pc~0); 33130#L492 assume !(1 == ~wb_pc~0); 33230#L501 assume !(1 == ~e_c~0); 33191#L510-1 assume !(1 == ~e_e~0); 33192#L515-1 assume !(1 == ~e_f~0); 33392#L520-1 assume !(1 == ~e_g~0); 33233#L525-1 assume !(1 == ~e_c~0); 33234#L530-1 assume !(1 == ~e_wl~0); 33942#L672-1 assume !false; 33943#L542 [2022-10-17 10:46:52,989 INFO L750 eck$LassoCheckResult]: Loop: 33943#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 35242#L377 assume !false; 35241#L295 assume 0 == ~wl_st~0; 35240#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 34762#L321 assume 0 != eval_~tmp~0#1;~wl_st~0 := 1;assume { :begin_inline_write_loop } true;havoc write_loop_~t~0#1;havoc write_loop_~t~0#1; 34761#L66 assume 0 == ~wl_pc~0; 34758#L79 ~wl_st~0 := 2;~wl_pc~0 := 1;~e_wl~0 := 0; 34803#L127 assume { :end_inline_write_loop } true; 34800#L317 assume !(0 == ~c1_st~0); 34797#L332 assume !(0 == ~c2_st~0); 34794#L347 assume !(0 == ~wb_st~0); 34718#L362 assume !(0 == ~r_st~0); 34710#L377 assume !false; 34707#L295 assume !(0 == ~wl_st~0); 34702#L299 assume !(0 == ~c1_st~0); 34552#L302 assume !(0 == ~c2_st~0); 34491#L305 assume !(0 == ~wb_st~0); 34485#L308 assume !(0 == ~r_st~0); 34480#L393 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 34474#L548 assume !(1 == ~c_req_up~0); 34475#L548-2 start_simulation_~kernel_st~0#1 := 3; 35430#L560 assume !(0 == ~e_f~0); 35427#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 35405#L565-1 assume !(0 == ~e_e~0); 35404#L570-1 assume !(0 == ~e_c~0); 35403#L575-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 35401#L580-1 assume 1 == ~wl_pc~0; 35400#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 35393#L593 assume !(1 == ~c1_pc~0); 35356#L603 assume !(1 == ~c2_pc~0); 35352#L612 assume !(1 == ~wb_pc~0); 35348#L621 assume !(1 == ~e_c~0); 35345#L630-1 assume !(1 == ~e_e~0); 35341#L635-1 assume !(1 == ~e_f~0); 35339#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 35337#L645-1 assume !(1 == ~e_c~0); 35335#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 35334#L655-1 assume 0 == ~wl_st~0; 35333#L672-1 assume !false; 33943#L542 [2022-10-17 10:46:52,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:52,990 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 1 times [2022-10-17 10:46:52,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:52,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364687514] [2022-10-17 10:46:52,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:52,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:52,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:46:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:53,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:46:53,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:53,010 INFO L85 PathProgramCache]: Analyzing trace with hash 40699584, now seen corresponding path program 1 times [2022-10-17 10:46:53,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:53,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129382961] [2022-10-17 10:46:53,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:53,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:53,016 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:46:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:53,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:46:53,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:53,024 INFO L85 PathProgramCache]: Analyzing trace with hash 746346533, now seen corresponding path program 1 times [2022-10-17 10:46:53,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:53,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734134835] [2022-10-17 10:46:53,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:53,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:53,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:53,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:53,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734134835] [2022-10-17 10:46:53,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734134835] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:53,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:53,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:46:53,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860187201] [2022-10-17 10:46:53,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:53,357 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:46:53,357 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:46:53,357 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:46:53,357 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:46:53,357 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:46:53,357 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:53,358 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:46:53,358 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:46:53,358 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration13_Loop [2022-10-17 10:46:53,358 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:46:53,358 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:46:53,360 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,363 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,365 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,370 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,373 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,376 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,379 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,382 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,387 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,389 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,392 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,395 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,401 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,404 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,409 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,411 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,414 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,417 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,419 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,422 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,425 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,427 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,432 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,435 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,437 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,439 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,442 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:53,681 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:46:53,681 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:46:53,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:53,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:53,686 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:53,690 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:53,690 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:53,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-10-17 10:46:53,722 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:53,722 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:53,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:53,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:53,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:53,760 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:53,767 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:53,767 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:53,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-10-17 10:46:53,786 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:53,786 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet4#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:53,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:53,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:53,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:53,825 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:53,829 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:53,829 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:53,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-10-17 10:46:53,851 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:53,851 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-7} Honda state: {~e_c~0=-7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:53,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:53,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:53,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:53,894 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:53,896 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:53,896 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:53,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-10-17 10:46:53,922 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:53,922 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp~0#1=4} Honda state: {ULTIMATE.start_eval_~tmp~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:53,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:53,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:53,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:53,958 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:53,961 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:53,961 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:53,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-10-17 10:46:53,990 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:53,990 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: [] [2022-10-17 10:46:54,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:54,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:54,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:54,028 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:54,031 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:54,031 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:54,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-10-17 10:46:54,054 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:54,054 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:54,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:54,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:54,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:54,092 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:54,095 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:54,095 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:54,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-10-17 10:46:54,122 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:46:54,122 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:46:54,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:54,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:54,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:54,160 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:54,162 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:46:54,162 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:54,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-10-17 10:46:54,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:54,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:54,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:54,195 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:54,233 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:46:54,233 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:46:54,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-10-17 10:46:54,273 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:46:54,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-10-17 10:46:54,297 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:46:54,297 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:46:54,297 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:46:54,297 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:46:54,297 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:46:54,298 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:54,298 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:46:54,298 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:46:54,298 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration13_Loop [2022-10-17 10:46:54,298 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:46:54,298 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:46:54,299 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,306 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,308 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,312 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,314 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,317 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,319 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,321 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,328 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,339 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,351 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,353 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,356 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,362 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,364 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,367 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,372 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,375 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,377 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,379 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,382 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,385 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,390 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,392 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,394 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,396 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,398 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:46:54,592 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:46:54,592 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:46:54,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:54,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:54,603 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:54,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-10-17 10:46:54,604 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 [2022-10-17 10:46:54,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:54,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:54,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:54,611 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:46:54,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:54,612 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:46:54,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:54,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:54,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-10-17 10:46:54,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:54,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:54,634 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:54,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-10-17 10:46:54,635 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 [2022-10-17 10:46:54,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:54,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:54,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:54,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:46:54,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:54,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:46:54,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:54,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:54,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:54,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:54,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:54,672 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:54,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-10-17 10:46:54,674 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 [2022-10-17 10:46:54,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:54,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:54,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:54,681 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:46:54,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:54,682 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:46:54,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:54,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:54,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:54,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:54,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:54,751 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:54,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-10-17 10:46:54,758 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 [2022-10-17 10:46:54,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:54,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:54,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:54,768 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:46:54,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:54,769 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:46:54,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:54,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:54,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:54,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:54,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:54,802 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:54,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-10-17 10:46:54,803 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 [2022-10-17 10:46:54,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:54,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:54,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:54,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:46:54,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:54,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:46:54,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:54,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:54,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-10-17 10:46:54,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:54,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:54,834 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:54,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-10-17 10:46:54,837 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 [2022-10-17 10:46:54,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:54,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:54,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:54,845 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:46:54,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:54,845 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:46:54,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:54,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:54,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-10-17 10:46:54,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:54,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:54,867 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:54,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-10-17 10:46:54,869 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 [2022-10-17 10:46:54,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:54,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:54,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:54,876 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:46:54,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:54,878 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:46:54,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:54,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:46:54,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:54,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:54,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:54,900 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:54,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-10-17 10:46:54,901 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 [2022-10-17 10:46:54,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:46:54,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:46:54,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:46:54,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:46:54,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:46:54,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:46:54,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:46:54,911 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:46:54,913 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:46:54,913 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:46:54,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:46:54,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:54,914 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:54,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-10-17 10:46:54,915 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:46:54,915 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:46:54,915 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:46:54,915 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~wl_pc~0) = -2*~wl_pc~0 + 1 Supporting invariants [] [2022-10-17 10:46:54,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-10-17 10:46:54,935 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:46:54,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:54,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:46:54,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:46:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:55,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:46:55,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:46:55,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:55,158 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 [2022-10-17 10:46:55,158 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2914 states and 4751 transitions. cyclomatic complexity: 1843 Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:55,290 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2914 states and 4751 transitions. cyclomatic complexity: 1843. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 8628 states and 14071 transitions. Complement of second has 7 states. [2022-10-17 10:46:55,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-10-17 10:46:55,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:55,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 207 transitions. [2022-10-17 10:46:55,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 207 transitions. Stem has 25 letters. Loop has 39 letters. [2022-10-17 10:46:55,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:46:55,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 207 transitions. Stem has 64 letters. Loop has 39 letters. [2022-10-17 10:46:55,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:46:55,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 207 transitions. Stem has 25 letters. Loop has 78 letters. [2022-10-17 10:46:55,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:46:55,294 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8628 states and 14071 transitions. [2022-10-17 10:46:55,338 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 3141 [2022-10-17 10:46:55,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2022-10-17 10:46:55,397 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8628 states to 8498 states and 13879 transitions. [2022-10-17 10:46:55,398 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3967 [2022-10-17 10:46:55,403 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3976 [2022-10-17 10:46:55,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8498 states and 13879 transitions. [2022-10-17 10:46:55,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:46:55,404 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8498 states and 13879 transitions. [2022-10-17 10:46:55,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8498 states and 13879 transitions. [2022-10-17 10:46:55,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8498 to 8239. [2022-10-17 10:46:55,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8239 states, 8239 states have (on average 1.6358781405510376) internal successors, (13478), 8238 states have internal predecessors, (13478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:55,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8239 states to 8239 states and 13478 transitions. [2022-10-17 10:46:55,663 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8239 states and 13478 transitions. [2022-10-17 10:46:55,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:46:55,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:46:55,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:46:55,664 INFO L87 Difference]: Start difference. First operand 8239 states and 13478 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:55,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:46:55,746 INFO L93 Difference]: Finished difference Result 12698 states and 20566 transitions. [2022-10-17 10:46:55,746 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12698 states and 20566 transitions. [2022-10-17 10:46:55,893 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 4978 [2022-10-17 10:46:55,963 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12698 states to 12698 states and 20566 transitions. [2022-10-17 10:46:55,963 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6011 [2022-10-17 10:46:55,971 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6011 [2022-10-17 10:46:55,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12698 states and 20566 transitions. [2022-10-17 10:46:55,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:46:55,972 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12698 states and 20566 transitions. [2022-10-17 10:46:55,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12698 states and 20566 transitions. [2022-10-17 10:46:56,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12698 to 12698. [2022-10-17 10:46:56,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12698 states, 12698 states have (on average 1.619625137816979) internal successors, (20566), 12697 states have internal predecessors, (20566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12698 states to 12698 states and 20566 transitions. [2022-10-17 10:46:56,266 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12698 states and 20566 transitions. [2022-10-17 10:46:56,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:46:56,267 INFO L428 stractBuchiCegarLoop]: Abstraction has 12698 states and 20566 transitions. [2022-10-17 10:46:56,267 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-10-17 10:46:56,267 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12698 states and 20566 transitions. [2022-10-17 10:46:56,313 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 4978 [2022-10-17 10:46:56,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:46:56,313 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:46:56,314 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] [2022-10-17 10:46:56,314 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:46:56,314 INFO L748 eck$LassoCheckResult]: Stem: 66057#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 65921#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 65922#L404 assume !(1 == ~c_req_up~0); 65984#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 65863#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 65864#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 66015#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 66016#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 66065#L435-1 assume !(0 == ~e_f~0); 66066#L440-1 assume !(0 == ~e_g~0); 65925#L445-1 assume !(0 == ~e_e~0); 65926#L450-1 assume !(0 == ~e_c~0); 65857#L455-1 assume !(0 == ~e_wl~0); 65858#L460-1 assume !(1 == ~wl_pc~0); 66099#L472 assume !(2 == ~wl_pc~0); 66062#L473 assume !(1 == ~c1_pc~0); 66037#L483 assume !(1 == ~c2_pc~0); 65828#L492 assume !(1 == ~wb_pc~0); 65924#L501 assume !(1 == ~e_c~0); 65955#L510-1 assume !(1 == ~e_e~0); 66082#L515-1 assume !(1 == ~e_f~0); 65825#L520-1 assume !(1 == ~e_g~0); 65826#L525-1 assume !(1 == ~e_c~0); 65927#L530-1 assume !(1 == ~e_wl~0); 66012#L672-1 assume !false; 69909#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 73535#L377 [2022-10-17 10:46:56,315 INFO L750 eck$LassoCheckResult]: Loop: 73535#L377 assume !false; 73864#L295 assume 0 == ~wl_st~0; 73863#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 73860#L321 assume !(0 != eval_~tmp~0#1); 73859#L317 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 73842#L336 assume !(0 != eval_~tmp___0~0#1); 73858#L332 assume !(0 == ~c2_st~0); 73873#L347 assume !(0 == ~wb_st~0); 73868#L362 assume !(0 == ~r_st~0); 73535#L377 [2022-10-17 10:46:56,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:56,315 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 1 times [2022-10-17 10:46:56,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:56,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314733623] [2022-10-17 10:46:56,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:56,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:56,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:46:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:56,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:46:56,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:56,335 INFO L85 PathProgramCache]: Analyzing trace with hash 910089250, now seen corresponding path program 1 times [2022-10-17 10:46:56,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:56,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440478141] [2022-10-17 10:46:56,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:56,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:56,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:46:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:56,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:46:56,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:56,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1807696598, now seen corresponding path program 1 times [2022-10-17 10:46:56,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:56,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605990063] [2022-10-17 10:46:56,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:56,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:56,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:56,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:56,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605990063] [2022-10-17 10:46:56,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605990063] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:56,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:56,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:46:56,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277705893] [2022-10-17 10:46:56,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:56,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:46:56,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:46:56,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:46:56,533 INFO L87 Difference]: Start difference. First operand 12698 states and 20566 transitions. cyclomatic complexity: 7907 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:56,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:46:56,765 INFO L93 Difference]: Finished difference Result 19288 states and 30770 transitions. [2022-10-17 10:46:56,766 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19288 states and 30770 transitions. [2022-10-17 10:46:56,984 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7836 [2022-10-17 10:46:57,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19288 states to 19288 states and 30770 transitions. [2022-10-17 10:46:57,081 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9280 [2022-10-17 10:46:57,094 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9280 [2022-10-17 10:46:57,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19288 states and 30770 transitions. [2022-10-17 10:46:57,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:46:57,095 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19288 states and 30770 transitions. [2022-10-17 10:46:57,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19288 states and 30770 transitions. [2022-10-17 10:46:57,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19288 to 19288. [2022-10-17 10:46:57,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19288 states, 19288 states have (on average 1.5952924097884695) internal successors, (30770), 19287 states have internal predecessors, (30770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:57,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19288 states to 19288 states and 30770 transitions. [2022-10-17 10:46:57,596 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19288 states and 30770 transitions. [2022-10-17 10:46:57,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:46:57,597 INFO L428 stractBuchiCegarLoop]: Abstraction has 19288 states and 30770 transitions. [2022-10-17 10:46:57,597 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-10-17 10:46:57,597 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19288 states and 30770 transitions. [2022-10-17 10:46:57,660 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7836 [2022-10-17 10:46:57,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:46:57,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:46:57,670 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] [2022-10-17 10:46:57,670 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:46:57,670 INFO L748 eck$LassoCheckResult]: Stem: 98062#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 97914#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 97915#L404 assume !(1 == ~c_req_up~0); 97976#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 97852#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 97853#L420-1 assume !(1 == ~c2_i~0);~c2_st~0 := 2; 98019#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 98020#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 98075#L435-1 assume !(0 == ~e_f~0); 98076#L440-1 assume !(0 == ~e_g~0); 97918#L445-1 assume !(0 == ~e_e~0); 97919#L450-1 assume !(0 == ~e_c~0); 97850#L455-1 assume !(0 == ~e_wl~0); 97851#L460-1 assume !(1 == ~wl_pc~0); 98117#L472 assume !(2 == ~wl_pc~0); 98118#L473 assume !(1 == ~c1_pc~0); 100588#L483 assume !(1 == ~c2_pc~0); 100586#L492 assume !(1 == ~wb_pc~0); 100584#L501 assume !(1 == ~e_c~0); 100583#L510-1 assume !(1 == ~e_e~0); 100582#L515-1 assume !(1 == ~e_f~0); 100581#L520-1 assume !(1 == ~e_g~0); 100580#L525-1 assume !(1 == ~e_c~0); 100579#L530-1 assume !(1 == ~e_wl~0); 100577#L672-1 assume !false; 100578#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 106067#L377 [2022-10-17 10:46:57,670 INFO L750 eck$LassoCheckResult]: Loop: 106067#L377 assume !false; 111539#L295 assume 0 == ~wl_st~0; 111536#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 111530#L321 assume !(0 != eval_~tmp~0#1); 111531#L317 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 112631#L336 assume !(0 != eval_~tmp___0~0#1); 111599#L332 assume !(0 == ~c2_st~0); 111563#L347 assume !(0 == ~wb_st~0); 111553#L362 assume !(0 == ~r_st~0); 106067#L377 [2022-10-17 10:46:57,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:57,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1246052603, now seen corresponding path program 1 times [2022-10-17 10:46:57,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:57,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847313733] [2022-10-17 10:46:57,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:57,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:57,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:57,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:57,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847313733] [2022-10-17 10:46:57,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847313733] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:57,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:57,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:46:57,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301759750] [2022-10-17 10:46:57,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:57,702 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:46:57,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:57,703 INFO L85 PathProgramCache]: Analyzing trace with hash 910089250, now seen corresponding path program 2 times [2022-10-17 10:46:57,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:57,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064152585] [2022-10-17 10:46:57,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:57,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:57,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:46:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:57,710 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:46:57,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:46:57,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:46:57,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:46:57,760 INFO L87 Difference]: Start difference. First operand 19288 states and 30770 transitions. cyclomatic complexity: 11521 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:57,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:46:57,909 INFO L93 Difference]: Finished difference Result 19216 states and 30651 transitions. [2022-10-17 10:46:57,909 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19216 states and 30651 transitions. [2022-10-17 10:46:57,990 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7836 [2022-10-17 10:46:58,074 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19216 states to 19216 states and 30651 transitions. [2022-10-17 10:46:58,075 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9211 [2022-10-17 10:46:58,083 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9211 [2022-10-17 10:46:58,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19216 states and 30651 transitions. [2022-10-17 10:46:58,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:46:58,090 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19216 states and 30651 transitions. [2022-10-17 10:46:58,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19216 states and 30651 transitions. [2022-10-17 10:46:58,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19216 to 19216. [2022-10-17 10:46:58,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19216 states, 19216 states have (on average 1.5950770191507078) internal successors, (30651), 19215 states have internal predecessors, (30651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:58,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19216 states to 19216 states and 30651 transitions. [2022-10-17 10:46:58,460 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19216 states and 30651 transitions. [2022-10-17 10:46:58,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:46:58,460 INFO L428 stractBuchiCegarLoop]: Abstraction has 19216 states and 30651 transitions. [2022-10-17 10:46:58,461 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2022-10-17 10:46:58,461 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19216 states and 30651 transitions. [2022-10-17 10:46:58,511 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7836 [2022-10-17 10:46:58,512 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:46:58,512 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:46:58,512 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] [2022-10-17 10:46:58,513 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:46:58,513 INFO L748 eck$LassoCheckResult]: Stem: 136572#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 136426#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 136427#L404 assume !(1 == ~c_req_up~0); 136488#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 136367#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 136368#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 136525#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 136526#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 136580#L435-1 assume !(0 == ~e_f~0); 136581#L440-1 assume !(0 == ~e_g~0); 136430#L445-1 assume !(0 == ~e_e~0); 136431#L450-1 assume !(0 == ~e_c~0); 136361#L455-1 assume !(0 == ~e_wl~0); 136362#L460-1 assume !(1 == ~wl_pc~0); 136615#L472 assume !(2 == ~wl_pc~0); 136575#L473 assume !(1 == ~c1_pc~0); 136548#L483 assume !(1 == ~c2_pc~0); 136331#L492 assume !(1 == ~wb_pc~0); 136429#L501 assume !(1 == ~e_c~0); 136460#L510-1 assume !(1 == ~e_e~0); 136598#L515-1 assume !(1 == ~e_f~0); 136328#L520-1 assume !(1 == ~e_g~0); 136329#L525-1 assume !(1 == ~e_c~0); 136432#L530-1 assume !(1 == ~e_wl~0); 138556#L672-1 assume !false; 138557#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 145464#L377 [2022-10-17 10:46:58,513 INFO L750 eck$LassoCheckResult]: Loop: 145464#L377 assume !false; 145461#L295 assume 0 == ~wl_st~0; 145460#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 145458#L321 assume !(0 != eval_~tmp~0#1); 145459#L317 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 146072#L336 assume !(0 != eval_~tmp___0~0#1); 145481#L332 assume 0 == ~c2_st~0;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 145476#L351 assume !(0 != eval_~tmp___1~0#1); 145474#L347 assume !(0 == ~wb_st~0); 145469#L362 assume !(0 == ~r_st~0); 145464#L377 [2022-10-17 10:46:58,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:58,514 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 2 times [2022-10-17 10:46:58,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:58,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562698586] [2022-10-17 10:46:58,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:58,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:58,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:46:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:58,530 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:46:58,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:58,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1853655075, now seen corresponding path program 1 times [2022-10-17 10:46:58,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:58,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552345826] [2022-10-17 10:46:58,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:58,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:58,534 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:46:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:46:58,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:46:58,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:58,537 INFO L85 PathProgramCache]: Analyzing trace with hash -205670443, now seen corresponding path program 1 times [2022-10-17 10:46:58,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:58,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726354144] [2022-10-17 10:46:58,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:58,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:58,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:46:58,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:58,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726354144] [2022-10-17 10:46:58,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726354144] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:58,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:58,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:46:58,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122195155] [2022-10-17 10:46:58,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:58,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:46:58,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:46:58,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:46:58,625 INFO L87 Difference]: Start difference. First operand 19216 states and 30651 transitions. cyclomatic complexity: 11474 Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:58,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:46:58,879 INFO L93 Difference]: Finished difference Result 31797 states and 49804 transitions. [2022-10-17 10:46:58,879 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31797 states and 49804 transitions. [2022-10-17 10:46:59,004 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 13278 [2022-10-17 10:46:59,260 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31797 states to 31797 states and 49804 transitions. [2022-10-17 10:46:59,260 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15347 [2022-10-17 10:46:59,271 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15347 [2022-10-17 10:46:59,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31797 states and 49804 transitions. [2022-10-17 10:46:59,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:46:59,272 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31797 states and 49804 transitions. [2022-10-17 10:46:59,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31797 states and 49804 transitions. [2022-10-17 10:46:59,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31797 to 31797. [2022-10-17 10:46:59,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31797 states, 31797 states have (on average 1.5663112872283549) internal successors, (49804), 31796 states have internal predecessors, (49804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:46:59,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31797 states to 31797 states and 49804 transitions. [2022-10-17 10:46:59,913 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31797 states and 49804 transitions. [2022-10-17 10:46:59,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:46:59,914 INFO L428 stractBuchiCegarLoop]: Abstraction has 31797 states and 49804 transitions. [2022-10-17 10:46:59,914 INFO L335 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2022-10-17 10:46:59,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31797 states and 49804 transitions. [2022-10-17 10:47:00,005 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 13278 [2022-10-17 10:47:00,005 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:47:00,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:47:00,006 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] [2022-10-17 10:47:00,007 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:47:00,007 INFO L748 eck$LassoCheckResult]: Stem: 187612#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 187452#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 187453#L404 assume !(1 == ~c_req_up~0); 187517#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 187384#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 187385#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 187555#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 187556#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 187625#L435-1 assume !(0 == ~e_f~0); 187626#L440-1 assume !(0 == ~e_g~0); 187456#L445-1 assume !(0 == ~e_e~0); 187457#L450-1 assume !(0 == ~e_c~0); 187382#L455-1 assume !(0 == ~e_wl~0); 187383#L460-1 assume !(1 == ~wl_pc~0); 187660#L472 assume !(2 == ~wl_pc~0); 187618#L473 assume !(1 == ~c1_pc~0); 187583#L483 assume !(1 == ~c2_pc~0); 187352#L492 assume !(1 == ~wb_pc~0); 187455#L501 assume !(1 == ~e_c~0); 187486#L510-1 assume !(1 == ~e_e~0); 187643#L515-1 assume !(1 == ~e_f~0); 187349#L520-1 assume !(1 == ~e_g~0); 187350#L525-1 assume !(1 == ~e_c~0); 187458#L530-1 assume !(1 == ~e_wl~0); 200554#L672-1 assume !false; 200555#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 204633#L377 [2022-10-17 10:47:00,007 INFO L750 eck$LassoCheckResult]: Loop: 204633#L377 assume !false; 218651#L295 assume 0 == ~wl_st~0; 218649#L308-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 218646#L321 assume !(0 != eval_~tmp~0#1); 218644#L317 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 218624#L336 assume !(0 != eval_~tmp___0~0#1); 214315#L332 assume 0 == ~c2_st~0;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 214311#L351 assume !(0 != eval_~tmp___1~0#1); 214307#L347 assume 0 == ~wb_st~0;eval_~tmp___2~0#1 := eval_#t~nondet7#1;havoc eval_#t~nondet7#1; 214293#L366 assume !(0 != eval_~tmp___2~0#1); 214305#L362 assume !(0 == ~r_st~0); 204633#L377 [2022-10-17 10:47:00,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:47:00,008 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 3 times [2022-10-17 10:47:00,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:47:00,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669510979] [2022-10-17 10:47:00,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:47:00,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:47:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:47:00,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:47:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:47:00,032 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:47:00,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:47:00,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1628767882, now seen corresponding path program 1 times [2022-10-17 10:47:00,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:47:00,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102681369] [2022-10-17 10:47:00,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:47:00,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:47:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:47:00,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:47:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:47:00,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:47:00,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:47:00,042 INFO L85 PathProgramCache]: Analyzing trace with hash -2080851842, now seen corresponding path program 1 times [2022-10-17 10:47:00,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:47:00,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214667207] [2022-10-17 10:47:00,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:47:00,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:47:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:47:00,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:47:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:47:00,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:47:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:47:01,357 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:47:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:47:01,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 10:47:01 BoogieIcfgContainer [2022-10-17 10:47:01,598 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 10:47:01,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:47:01,599 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:47:01,599 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:47:01,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:46:41" (3/4) ... [2022-10-17 10:47:01,609 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-10-17 10:47:01,694 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:47:01,694 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:47:01,695 INFO L158 Benchmark]: Toolchain (without parser) took 21565.57ms. Allocated memory was 83.9MB in the beginning and 3.1GB in the end (delta: 3.0GB). Free memory was 49.1MB in the beginning and 2.7GB in the end (delta: -2.7GB). Peak memory consumption was 328.1MB. Max. memory is 16.1GB. [2022-10-17 10:47:01,695 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:47:01,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.73ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 57.3MB in the end (delta: -8.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 10:47:01,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.07ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 55.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:47:01,697 INFO L158 Benchmark]: Boogie Preprocessor took 44.32ms. Allocated memory is still 83.9MB. Free memory was 55.0MB in the beginning and 52.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:47:01,697 INFO L158 Benchmark]: RCFGBuilder took 858.79ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 52.7MB in the beginning and 73.8MB in the end (delta: -21.1MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2022-10-17 10:47:01,698 INFO L158 Benchmark]: BuchiAutomizer took 19962.18ms. Allocated memory was 100.7MB in the beginning and 3.1GB in the end (delta: 3.0GB). Free memory was 73.3MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 334.1MB. Max. memory is 16.1GB. [2022-10-17 10:47:01,698 INFO L158 Benchmark]: Witness Printer took 95.55ms. Allocated memory is still 3.1GB. Free memory was 2.8GB in the beginning and 2.7GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:47:01,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.73ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 57.3MB in the end (delta: -8.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.07ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 55.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.32ms. Allocated memory is still 83.9MB. Free memory was 55.0MB in the beginning and 52.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 858.79ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 52.7MB in the beginning and 73.8MB in the end (delta: -21.1MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 19962.18ms. Allocated memory was 100.7MB in the beginning and 3.1GB in the end (delta: 3.0GB). Free memory was 73.3MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 334.1MB. Max. memory is 16.1GB. * Witness Printer took 95.55ms. Allocated memory is still 3.1GB. Free memory was 2.8GB in the beginning and 2.7GB 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 20 terminating modules (16 trivial, 4 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * e_wl + 1 and consists of 3 locations. One deterministic module has affine ranking function -1 * e_wl + 1 and consists of 3 locations. One deterministic module has affine ranking function -1 * e_e + 1 and consists of 3 locations. One deterministic module has affine ranking function -2 * wl_pc + 1 and consists of 4 locations. 16 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 31797 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 19.7s and 17 iterations. TraceHistogramMax:2. Analysis of lassos took 11.7s. Construction of modules took 0.5s. Büchi inclusion checks took 6.2s. Highest rank in rank-based complementation 3. Minimization of det autom 9. Minimization of nondet autom 11. Automata minimization 2.7s AutomataMinimizationTime, 20 MinimizatonAttempts, 3125 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 1.6s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4665 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4661 mSDsluCounter, 8359 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3417 mSDsCounter, 124 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 459 IncrementalHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 124 mSolverCounterUnsat, 4942 mSDtfsCounter, 459 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc2 concLT2 SILN1 SILU0 SILI7 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital82 mio100 ax100 hnf100 lsp12 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq180 hnf100 smp100 dnf211 smp56 tf109 neg94 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 27 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 294]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L28] int c ; [L29] int c_t ; [L30] int c_req_up ; [L31] int p_in ; [L32] int p_out ; [L33] int wl_st ; [L34] int c1_st ; [L35] int c2_st ; [L36] int wb_st ; [L37] int r_st ; [L38] int wl_i ; [L39] int c1_i ; [L40] int c2_i ; [L41] int wb_i ; [L42] int r_i ; [L43] int wl_pc ; [L44] int c1_pc ; [L45] int c2_pc ; [L46] int wb_pc ; [L47] int e_e ; [L48] int e_f ; [L49] int e_g ; [L50] int e_c ; [L51] int e_p_in ; [L52] int e_wl ; [L58] int d ; [L59] int data ; [L60] int processed ; [L61] static int t_b ; VAL [c=0, c1_i=0, c1_pc=0, c1_st=0, c2_i=0, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=0, e_e=0, e_f=0, e_g=0, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=0, wb_pc=0, wb_st=0, wl_i=0, wl_pc=0, wl_st=0] [L689] int __retres1 ; [L693] e_wl = 2 [L694] e_c = e_wl [L695] e_g = e_c [L696] e_f = e_g [L697] e_e = e_f [L698] wl_pc = 0 [L699] c1_pc = 0 [L700] c2_pc = 0 [L701] wb_pc = 0 [L702] wb_i = 1 [L703] c2_i = wb_i [L704] c1_i = c2_i [L705] wl_i = c1_i [L706] r_i = 0 [L707] c_req_up = 0 [L708] d = 0 [L709] c = 0 [L710] CALL start_simulation() [L400] int kernel_st ; [L403] kernel_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L404] COND FALSE !((int )c_req_up == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L415] COND TRUE (int )wl_i == 1 [L416] wl_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L420] COND TRUE (int )c1_i == 1 [L421] c1_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L425] COND TRUE (int )c2_i == 1 [L426] c2_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L430] COND TRUE (int )wb_i == 1 [L431] wb_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L435] COND FALSE !((int )r_i == 1) [L438] r_st = 2 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L440] COND FALSE !((int )e_f == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L445] COND FALSE !((int )e_g == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L450] COND FALSE !((int )e_e == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L455] COND FALSE !((int )e_c == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L460] COND FALSE !((int )e_wl == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L465] COND FALSE !((int )wl_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L473] COND FALSE !((int )wl_pc == 2) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L483] COND FALSE !((int )c1_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L492] COND FALSE !((int )c2_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L501] COND FALSE !((int )wb_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L510] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L515] COND FALSE !((int )e_e == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L520] COND FALSE !((int )e_f == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L525] COND FALSE !((int )e_g == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L530] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L535] COND FALSE !((int )e_wl == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L541] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L544] kernel_st = 1 [L545] CALL eval() [L286] int tmp ; [L287] int tmp___0 ; [L288] int tmp___1 ; [L289] int tmp___2 ; [L290] int tmp___3 ; VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] Loop: [L294] COND TRUE 1 [L296] COND TRUE (int )wl_st == 0 [L317] COND TRUE (int )wl_st == 0 [L319] tmp = __VERIFIER_nondet_int() [L321] COND FALSE !(\read(tmp)) [L332] COND TRUE (int )c1_st == 0 [L334] tmp___0 = __VERIFIER_nondet_int() [L336] COND FALSE !(\read(tmp___0)) [L347] COND TRUE (int )c2_st == 0 [L349] tmp___1 = __VERIFIER_nondet_int() [L351] COND FALSE !(\read(tmp___1)) [L362] COND TRUE (int )wb_st == 0 [L364] tmp___2 = __VERIFIER_nondet_int() [L366] COND FALSE !(\read(tmp___2)) [L377] COND FALSE !((int )r_st == 0) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 294]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L28] int c ; [L29] int c_t ; [L30] int c_req_up ; [L31] int p_in ; [L32] int p_out ; [L33] int wl_st ; [L34] int c1_st ; [L35] int c2_st ; [L36] int wb_st ; [L37] int r_st ; [L38] int wl_i ; [L39] int c1_i ; [L40] int c2_i ; [L41] int wb_i ; [L42] int r_i ; [L43] int wl_pc ; [L44] int c1_pc ; [L45] int c2_pc ; [L46] int wb_pc ; [L47] int e_e ; [L48] int e_f ; [L49] int e_g ; [L50] int e_c ; [L51] int e_p_in ; [L52] int e_wl ; [L58] int d ; [L59] int data ; [L60] int processed ; [L61] static int t_b ; VAL [c=0, c1_i=0, c1_pc=0, c1_st=0, c2_i=0, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=0, e_e=0, e_f=0, e_g=0, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=0, wb_pc=0, wb_st=0, wl_i=0, wl_pc=0, wl_st=0] [L689] int __retres1 ; [L693] e_wl = 2 [L694] e_c = e_wl [L695] e_g = e_c [L696] e_f = e_g [L697] e_e = e_f [L698] wl_pc = 0 [L699] c1_pc = 0 [L700] c2_pc = 0 [L701] wb_pc = 0 [L702] wb_i = 1 [L703] c2_i = wb_i [L704] c1_i = c2_i [L705] wl_i = c1_i [L706] r_i = 0 [L707] c_req_up = 0 [L708] d = 0 [L709] c = 0 [L710] CALL start_simulation() [L400] int kernel_st ; [L403] kernel_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L404] COND FALSE !((int )c_req_up == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L415] COND TRUE (int )wl_i == 1 [L416] wl_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L420] COND TRUE (int )c1_i == 1 [L421] c1_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L425] COND TRUE (int )c2_i == 1 [L426] c2_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L430] COND TRUE (int )wb_i == 1 [L431] wb_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L435] COND FALSE !((int )r_i == 1) [L438] r_st = 2 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L440] COND FALSE !((int )e_f == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L445] COND FALSE !((int )e_g == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L450] COND FALSE !((int )e_e == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L455] COND FALSE !((int )e_c == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L460] COND FALSE !((int )e_wl == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L465] COND FALSE !((int )wl_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L473] COND FALSE !((int )wl_pc == 2) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L483] COND FALSE !((int )c1_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L492] COND FALSE !((int )c2_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L501] COND FALSE !((int )wb_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L510] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L515] COND FALSE !((int )e_e == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L520] COND FALSE !((int )e_f == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L525] COND FALSE !((int )e_g == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L530] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L535] COND FALSE !((int )e_wl == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L541] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L544] kernel_st = 1 [L545] CALL eval() [L286] int tmp ; [L287] int tmp___0 ; [L288] int tmp___1 ; [L289] int tmp___2 ; [L290] int tmp___3 ; VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] Loop: [L294] COND TRUE 1 [L296] COND TRUE (int )wl_st == 0 [L317] COND TRUE (int )wl_st == 0 [L319] tmp = __VERIFIER_nondet_int() [L321] COND FALSE !(\read(tmp)) [L332] COND TRUE (int )c1_st == 0 [L334] tmp___0 = __VERIFIER_nondet_int() [L336] COND FALSE !(\read(tmp___0)) [L347] COND TRUE (int )c2_st == 0 [L349] tmp___1 = __VERIFIER_nondet_int() [L351] COND FALSE !(\read(tmp___1)) [L362] COND TRUE (int )wb_st == 0 [L364] tmp___2 = __VERIFIER_nondet_int() [L366] COND FALSE !(\read(tmp___2)) [L377] COND FALSE !((int )r_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 10:47:01,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df822b17-bfd4-400e-bcbd-33d79b9dcf3b/bin/uautomizer-J5u9QxTXDZ/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)