./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.1.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.1.ufo.BOUNDED-6.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro --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 8b0406e617bfcdc7e6543e19b38e9be8eeb37f2896cb91bcfe6035d747328da7 --- 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-8393723 [2022-11-18 20:07:18,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:07:18,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:07:18,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:07:18,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:07:18,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:07:18,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:07:18,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:07:18,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:07:18,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:07:18,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:07:18,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:07:18,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:07:18,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:07:18,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:07:18,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:07:18,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:07:18,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:07:18,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:07:18,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:07:18,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:07:18,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:07:18,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:07:18,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:07:18,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:07:18,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:07:18,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:07:18,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:07:18,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:07:18,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:07:18,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:07:18,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:07:18,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:07:18,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:07:18,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:07:18,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:07:18,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:07:18,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:07:18,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:07:18,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:07:18,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:07:18,764 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 20:07:18,816 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:07:18,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:07:18,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:07:18,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:07:18,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:07:18,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:07:18,822 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:07:18,823 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:07:18,823 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:07:18,823 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:07:18,824 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:07:18,825 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:07:18,825 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:07:18,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:07:18,826 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:07:18,826 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:07:18,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:07:18,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:07:18,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:07:18,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:07:18,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:07:18,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:07:18,828 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:07:18,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:07:18,828 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:07:18,828 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:07:18,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:07:18,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:07:18,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:07:18,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:07:18,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:07:18,832 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:07:18,832 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_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b0406e617bfcdc7e6543e19b38e9be8eeb37f2896cb91bcfe6035d747328da7 [2022-11-18 20:07:19,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:07:19,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:07:19,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:07:19,208 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:07:19,209 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:07:19,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.1.ufo.BOUNDED-6.pals.c [2022-11-18 20:07:19,306 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/data/a77d9265c/104e91334d8b4ecfaeb7e3b6a1a0c919/FLAG955935b67 [2022-11-18 20:07:19,936 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:07:19,936 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.1.ufo.BOUNDED-6.pals.c [2022-11-18 20:07:19,947 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/data/a77d9265c/104e91334d8b4ecfaeb7e3b6a1a0c919/FLAG955935b67 [2022-11-18 20:07:20,221 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/data/a77d9265c/104e91334d8b4ecfaeb7e3b6a1a0c919 [2022-11-18 20:07:20,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:07:20,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:07:20,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:07:20,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:07:20,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:07:20,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:07:20" (1/1) ... [2022-11-18 20:07:20,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51fa3d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:20, skipping insertion in model container [2022-11-18 20:07:20,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:07:20" (1/1) ... [2022-11-18 20:07:20,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:07:20,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:07:20,691 WARN L234 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_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.1.ufo.BOUNDED-6.pals.c[11348,11361] [2022-11-18 20:07:20,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:07:20,705 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:07:20,802 WARN L234 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_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.1.ufo.BOUNDED-6.pals.c[11348,11361] [2022-11-18 20:07:20,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:07:20,830 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:07:20,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:20 WrapperNode [2022-11-18 20:07:20,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:07:20,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:07:20,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:07:20,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:07:20,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:20" (1/1) ... [2022-11-18 20:07:20,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:20" (1/1) ... [2022-11-18 20:07:20,896 INFO L138 Inliner]: procedures = 21, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 385 [2022-11-18 20:07:20,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:07:20,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:07:20,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:07:20,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:07:20,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:20" (1/1) ... [2022-11-18 20:07:20,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:20" (1/1) ... [2022-11-18 20:07:20,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:20" (1/1) ... [2022-11-18 20:07:20,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:20" (1/1) ... [2022-11-18 20:07:20,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:20" (1/1) ... [2022-11-18 20:07:20,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:20" (1/1) ... [2022-11-18 20:07:20,957 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:20" (1/1) ... [2022-11-18 20:07:20,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:20" (1/1) ... [2022-11-18 20:07:20,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:07:20,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:07:20,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:07:20,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:07:20,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:20" (1/1) ... [2022-11-18 20:07:20,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:20,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:21,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:21,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:07:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:07:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:07:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:07:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:07:21,248 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:07:21,251 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:07:22,031 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:07:22,039 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:07:22,044 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:07:22,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:07:22 BoogieIcfgContainer [2022-11-18 20:07:22,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:07:22,051 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:07:22,052 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:07:22,057 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:07:22,058 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:07:22,058 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:07:20" (1/3) ... [2022-11-18 20:07:22,060 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@188bfefe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:07:22, skipping insertion in model container [2022-11-18 20:07:22,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:07:22,060 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:20" (2/3) ... [2022-11-18 20:07:22,061 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@188bfefe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:07:22, skipping insertion in model container [2022-11-18 20:07:22,061 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:07:22,061 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:07:22" (3/3) ... [2022-11-18 20:07:22,063 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_floodmax.3.1.ufo.BOUNDED-6.pals.c [2022-11-18 20:07:22,154 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:07:22,155 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:07:22,155 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:07:22,155 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:07:22,156 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:07:22,156 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:07:22,156 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:07:22,157 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:07:22,166 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.7657657657657657) internal successors, (196), 111 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:22,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 57 [2022-11-18 20:07:22,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:07:22,221 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:07:22,232 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] [2022-11-18 20:07:22,232 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:07:22,233 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:07:22,234 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.7657657657657657) internal successors, (196), 111 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:22,257 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 57 [2022-11-18 20:07:22,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:07:22,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:07:22,262 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] [2022-11-18 20:07:22,263 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:07:22,274 INFO L748 eck$LassoCheckResult]: Stem: 102#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(39, 2);call #Ultimate.allocInit(12, 3);~r2~0 := 0;~r3~0 := 0;~ep23~0 := 0;~mode3~0 := 0;~ep21~0 := 0;~p32~0 := 0;~p31~0 := 0;~p31_new~0 := 0;~p12~0 := 0;~p13~0 := 0;~p23_new~0 := 0;~p31_old~0 := 0;~p32_old~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~p23_old~0 := 0;~p32_new~0 := 0;~p13_new~0 := 0;~nomsg~0 := -1;~ep13~0 := 0;~ep12~0 := 0;~m1~0 := 0;~ep32~0 := 0;~m2~0 := 0;~ep31~0 := 0;~m3~0 := 0;~p13_old~0 := 0;~p21~0 := 0;~p23~0 := 0;~st2~0 := 0;~st1~0 := 0;~nl1~0 := 0;~st3~0 := 0;~nl3~0 := 0;~nl2~0 := 0;~p12_new~0 := 0;~id2~0 := 0;~id1~0 := 0;~id3~0 := 0;~p21_new~0 := 0;~p21_old~0 := 0;~max3~0 := 0;~p12_old~0 := 0;~max2~0 := 0;~max1~0 := 0;~r1~0 := 0; 37#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep21~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep23~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep31~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep32~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0; 80#L228true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 40#L231-1true init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 29#L241true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 25#L244-1true init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 48#L254true assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 52#L257-1true init_~r212~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 22#L267true assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 15#L270-1true init_~r232~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 88#L280true assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 68#L283-1true init_~r312~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 101#L293true assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 66#L296-1true init_~r322~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 110#L306true assume !(~id1~0 != ~id2~0);init_~tmp___5~0#1 := 0; 98#L306-1true init_#res#1 := init_~tmp___5~0#1; 78#L391true main_#t~ret31#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 89#L485true assume !(0 == main_~i2~0#1); 6#L485-2true ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 44#L499-2true [2022-11-18 20:07:22,281 INFO L750 eck$LassoCheckResult]: Loop: 44#L499-2true assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true; 58#L75true assume !(0 != ~mode1~0 % 256); 54#L100true assume !(~r1~0 < 2); 70#L100-1true ~mode1~0 := 1; 99#L75-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 87#L118true assume !(0 != ~mode2~0 % 256); 91#L143true assume !(~r2~0 < 2); 81#L143-1true ~mode2~0 := 1; 55#L118-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 13#L161true assume !(0 != ~mode3~0 % 256); 60#L186true assume !(~r3~0 < 2); 23#L186-1true ~mode3~0 := 1; 5#L161-2true assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 64#L399true assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1#1 := 0; 107#L399-1true check_#res#1 := check_~tmp~1#1; 26#L447true main_#t~ret32#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 85#L529true assume !(0 == assert_~arg#1 % 256); 24#L524true assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1; 44#L499-2true [2022-11-18 20:07:22,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:22,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1693212754, now seen corresponding path program 1 times [2022-11-18 20:07:22,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:22,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388471728] [2022-11-18 20:07:22,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:22,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:22,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:07:22,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:07:22,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388471728] [2022-11-18 20:07:22,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388471728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:07:22,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:07:22,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:07:22,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437552792] [2022-11-18 20:07:22,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:07:22,777 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:07:22,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:22,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1015369041, now seen corresponding path program 1 times [2022-11-18 20:07:22,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:22,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23956001] [2022-11-18 20:07:22,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:22,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:07:23,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:07:23,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23956001] [2022-11-18 20:07:23,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23956001] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:07:23,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:07:23,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:07:23,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305295369] [2022-11-18 20:07:23,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:07:23,143 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 20:07:23,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:07:23,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:07:23,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:07:23,198 INFO L87 Difference]: Start difference. First operand has 112 states, 111 states have (on average 1.7657657657657657) internal successors, (196), 111 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:23,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:07:23,308 INFO L93 Difference]: Finished difference Result 116 states and 196 transitions. [2022-11-18 20:07:23,310 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 116 states and 196 transitions. [2022-11-18 20:07:23,313 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2022-11-18 20:07:23,319 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 116 states to 107 states and 180 transitions. [2022-11-18 20:07:23,320 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 107 [2022-11-18 20:07:23,321 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 107 [2022-11-18 20:07:23,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 107 states and 180 transitions. [2022-11-18 20:07:23,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:07:23,323 INFO L218 hiAutomatonCegarLoop]: Abstraction has 107 states and 180 transitions. [2022-11-18 20:07:23,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states and 180 transitions. [2022-11-18 20:07:23,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-11-18 20:07:23,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 107 states have (on average 1.6822429906542056) internal successors, (180), 106 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:23,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 180 transitions. [2022-11-18 20:07:23,368 INFO L240 hiAutomatonCegarLoop]: Abstraction has 107 states and 180 transitions. [2022-11-18 20:07:23,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:07:23,374 INFO L428 stractBuchiCegarLoop]: Abstraction has 107 states and 180 transitions. [2022-11-18 20:07:23,374 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:07:23,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 180 transitions. [2022-11-18 20:07:23,376 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2022-11-18 20:07:23,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:07:23,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:07:23,378 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] [2022-11-18 20:07:23,379 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] [2022-11-18 20:07:23,379 INFO L748 eck$LassoCheckResult]: Stem: 351#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(39, 2);call #Ultimate.allocInit(12, 3);~r2~0 := 0;~r3~0 := 0;~ep23~0 := 0;~mode3~0 := 0;~ep21~0 := 0;~p32~0 := 0;~p31~0 := 0;~p31_new~0 := 0;~p12~0 := 0;~p13~0 := 0;~p23_new~0 := 0;~p31_old~0 := 0;~p32_old~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~p23_old~0 := 0;~p32_new~0 := 0;~p13_new~0 := 0;~nomsg~0 := -1;~ep13~0 := 0;~ep12~0 := 0;~m1~0 := 0;~ep32~0 := 0;~m2~0 := 0;~ep31~0 := 0;~m3~0 := 0;~p13_old~0 := 0;~p21~0 := 0;~p23~0 := 0;~st2~0 := 0;~st1~0 := 0;~nl1~0 := 0;~st3~0 := 0;~nl3~0 := 0;~nl2~0 := 0;~p12_new~0 := 0;~id2~0 := 0;~id1~0 := 0;~id3~0 := 0;~p21_new~0 := 0;~p21_old~0 := 0;~max3~0 := 0;~p12_old~0 := 0;~max2~0 := 0;~max1~0 := 0;~r1~0 := 0; 305#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep21~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep23~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep31~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep32~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0; 306#L228 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 309#L231-1 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 295#L241 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 258#L244-1 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 291#L254 assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 301#L257-1 init_~r212~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 288#L267 assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 264#L270-1 init_~r232~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 275#L280 assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 328#L283-1 init_~r312~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 335#L293 assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 303#L296-1 init_~r322~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 333#L306 assume !(~id1~0 != ~id2~0);init_~tmp___5~0#1 := 0; 248#L306-1 init_#res#1 := init_~tmp___5~0#1; 342#L391 main_#t~ret31#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 343#L485 assume !(0 == main_~i2~0#1); 253#L485-2 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 254#L499-2 [2022-11-18 20:07:23,380 INFO L750 eck$LassoCheckResult]: Loop: 254#L499-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true; 315#L75 assume !(0 != ~mode1~0 % 256); 322#L100 assume !(~r1~0 < 2); 323#L100-1 ~mode1~0 := 1; 285#L75-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 345#L118 assume !(0 != ~mode2~0 % 256); 346#L143 assume !(~r2~0 < 2); 334#L143-1 ~mode2~0 := 1; 325#L118-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 269#L161 assume !(0 != ~mode3~0 % 256); 271#L186 assume !(~r3~0 < 2); 289#L186-1 ~mode3~0 := 1; 251#L161-2 assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 252#L399 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 332#L400 assume ~st1~0 + ~nl1~0 <= 1; 260#L401 assume ~st2~0 + ~nl2~0 <= 1; 261#L402 assume ~st3~0 + ~nl3~0 <= 1; 318#L403 assume ~r1~0 >= 2; 272#L407 assume ~r1~0 < 2; 273#L412 assume ~r1~0 >= 2; 278#L417 assume ~r1~0 < 2;check_~tmp~1#1 := 1; 299#L399-1 check_#res#1 := check_~tmp~1#1; 292#L447 main_#t~ret32#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 293#L529 assume !(0 == assert_~arg#1 % 256); 290#L524 assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1; 254#L499-2 [2022-11-18 20:07:23,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:23,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1693212754, now seen corresponding path program 2 times [2022-11-18 20:07:23,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:23,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821025046] [2022-11-18 20:07:23,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:23,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:07:23,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:07:23,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821025046] [2022-11-18 20:07:23,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821025046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:07:23,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:07:23,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:07:23,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519177799] [2022-11-18 20:07:23,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:07:23,475 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:07:23,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:23,476 INFO L85 PathProgramCache]: Analyzing trace with hash 2056696822, now seen corresponding path program 1 times [2022-11-18 20:07:23,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:23,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241723926] [2022-11-18 20:07:23,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:23,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:07:23,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:07:23,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241723926] [2022-11-18 20:07:23,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241723926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:07:23,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:07:23,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:07:23,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348892571] [2022-11-18 20:07:23,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:07:23,513 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 20:07:23,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:07:23,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:07:23,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:07:23,515 INFO L87 Difference]: Start difference. First operand 107 states and 180 transitions. cyclomatic complexity: 74 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:23,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:07:23,602 INFO L93 Difference]: Finished difference Result 166 states and 272 transitions. [2022-11-18 20:07:23,602 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 272 transitions. [2022-11-18 20:07:23,605 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2022-11-18 20:07:23,606 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 163 states and 249 transitions. [2022-11-18 20:07:23,607 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 163 [2022-11-18 20:07:23,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2022-11-18 20:07:23,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 163 states and 249 transitions. [2022-11-18 20:07:23,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:07:23,609 INFO L218 hiAutomatonCegarLoop]: Abstraction has 163 states and 249 transitions. [2022-11-18 20:07:23,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states and 249 transitions. [2022-11-18 20:07:23,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 107. [2022-11-18 20:07:23,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 107 states have (on average 1.485981308411215) internal successors, (159), 106 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:23,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 159 transitions. [2022-11-18 20:07:23,616 INFO L240 hiAutomatonCegarLoop]: Abstraction has 107 states and 159 transitions. [2022-11-18 20:07:23,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:07:23,617 INFO L428 stractBuchiCegarLoop]: Abstraction has 107 states and 159 transitions. [2022-11-18 20:07:23,618 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:07:23,618 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 159 transitions. [2022-11-18 20:07:23,619 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2022-11-18 20:07:23,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:07:23,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:07:23,621 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:07:23,621 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] [2022-11-18 20:07:23,622 INFO L748 eck$LassoCheckResult]: Stem: 637#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(39, 2);call #Ultimate.allocInit(12, 3);~r2~0 := 0;~r3~0 := 0;~ep23~0 := 0;~mode3~0 := 0;~ep21~0 := 0;~p32~0 := 0;~p31~0 := 0;~p31_new~0 := 0;~p12~0 := 0;~p13~0 := 0;~p23_new~0 := 0;~p31_old~0 := 0;~p32_old~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~p23_old~0 := 0;~p32_new~0 := 0;~p13_new~0 := 0;~nomsg~0 := -1;~ep13~0 := 0;~ep12~0 := 0;~m1~0 := 0;~ep32~0 := 0;~m2~0 := 0;~ep31~0 := 0;~m3~0 := 0;~p13_old~0 := 0;~p21~0 := 0;~p23~0 := 0;~st2~0 := 0;~st1~0 := 0;~nl1~0 := 0;~st3~0 := 0;~nl3~0 := 0;~nl2~0 := 0;~p12_new~0 := 0;~id2~0 := 0;~id1~0 := 0;~id3~0 := 0;~p21_new~0 := 0;~p21_old~0 := 0;~max3~0 := 0;~p12_old~0 := 0;~max2~0 := 0;~max1~0 := 0;~r1~0 := 0; 591#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep21~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep23~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep31~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep32~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0; 592#L228 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 595#L231-1 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 581#L241 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 545#L244-1 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 578#L254 assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 587#L257-1 init_~r212~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 573#L267 assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 549#L270-1 init_~r232~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 560#L280 assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 614#L283-1 init_~r312~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 621#L293 assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 589#L296-1 init_~r322~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 619#L306 assume ~id1~0 != ~id2~0; 623#L307 assume ~id1~0 != ~id3~0; 552#L308 assume ~id2~0 != ~id3~0; 553#L309 assume ~id1~0 >= 0; 622#L310 assume ~id2~0 >= 0; 599#L311 assume ~id3~0 >= 0; 600#L312 assume 0 == ~r1~0; 571#L313 assume 0 == ~r2~0; 572#L314 assume 0 == ~r3~0; 593#L315 assume ~max1~0 == ~id1~0; 594#L316 assume ~max2~0 == ~id2~0; 534#L317 assume ~max3~0 == ~id3~0; 535#L318 assume 0 == ~st1~0; 638#L319 assume 0 == ~st2~0; 626#L320 assume 0 == ~st3~0; 616#L321 assume 0 == ~nl1~0; 617#L322 assume 0 == ~nl2~0; 532#L323 assume 0 == ~nl3~0; 533#L324 assume 0 == ~mode1~0 % 256; 561#L325 assume 0 == ~mode2~0 % 256; 579#L326 assume 0 == ~mode3~0 % 256;init_~tmp___5~0#1 := 1; 580#L306-1 init_#res#1 := init_~tmp___5~0#1; 628#L391 main_#t~ret31#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 629#L485 assume !(0 == main_~i2~0#1); 538#L485-2 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 539#L499-2 [2022-11-18 20:07:23,622 INFO L750 eck$LassoCheckResult]: Loop: 539#L499-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true; 601#L75 assume !(0 != ~mode1~0 % 256); 608#L100 assume !(~r1~0 < 2); 609#L100-1 ~mode1~0 := 1; 570#L75-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 631#L118 assume !(0 != ~mode2~0 % 256); 632#L143 assume !(~r2~0 < 2); 620#L143-1 ~mode2~0 := 1; 611#L118-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 554#L161 assume !(0 != ~mode3~0 % 256); 556#L186 assume !(~r3~0 < 2); 574#L186-1 ~mode3~0 := 1; 536#L161-2 assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 537#L399 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 618#L400 assume ~st1~0 + ~nl1~0 <= 1; 542#L401 assume ~st2~0 + ~nl2~0 <= 1; 543#L402 assume ~st3~0 + ~nl3~0 <= 1; 604#L403 assume ~r1~0 >= 2; 557#L407 assume ~r1~0 < 2; 558#L412 assume ~r1~0 >= 2; 563#L417 assume ~r1~0 < 2;check_~tmp~1#1 := 1; 585#L399-1 check_#res#1 := check_~tmp~1#1; 576#L447 main_#t~ret32#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 577#L529 assume !(0 == assert_~arg#1 % 256); 575#L524 assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1; 539#L499-2 [2022-11-18 20:07:23,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:23,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1849055478, now seen corresponding path program 1 times [2022-11-18 20:07:23,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:23,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923039076] [2022-11-18 20:07:23,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:23,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:23,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:07:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:23,702 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:07:23,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:23,704 INFO L85 PathProgramCache]: Analyzing trace with hash 2056696822, now seen corresponding path program 2 times [2022-11-18 20:07:23,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:23,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178365276] [2022-11-18 20:07:23,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:23,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:07:23,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:07:23,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178365276] [2022-11-18 20:07:23,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178365276] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:07:23,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:07:23,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:07:23,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068439743] [2022-11-18 20:07:23,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:07:23,735 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 20:07:23,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:07:23,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:07:23,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:07:23,736 INFO L87 Difference]: Start difference. First operand 107 states and 159 transitions. cyclomatic complexity: 53 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:23,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:07:23,800 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2022-11-18 20:07:23,800 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 151 states and 224 transitions. [2022-11-18 20:07:23,802 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 100 [2022-11-18 20:07:23,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 151 states to 151 states and 224 transitions. [2022-11-18 20:07:23,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 151 [2022-11-18 20:07:23,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 151 [2022-11-18 20:07:23,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 151 states and 224 transitions. [2022-11-18 20:07:23,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:07:23,813 INFO L218 hiAutomatonCegarLoop]: Abstraction has 151 states and 224 transitions. [2022-11-18 20:07:23,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states and 224 transitions. [2022-11-18 20:07:23,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2022-11-18 20:07:23,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 151 states have (on average 1.4834437086092715) internal successors, (224), 150 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:23,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 224 transitions. [2022-11-18 20:07:23,822 INFO L240 hiAutomatonCegarLoop]: Abstraction has 151 states and 224 transitions. [2022-11-18 20:07:23,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:07:23,823 INFO L428 stractBuchiCegarLoop]: Abstraction has 151 states and 224 transitions. [2022-11-18 20:07:23,823 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 20:07:23,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 151 states and 224 transitions. [2022-11-18 20:07:23,825 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 100 [2022-11-18 20:07:23,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:07:23,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:07:23,827 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:07:23,827 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:07:23,827 INFO L748 eck$LassoCheckResult]: Stem: 905#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(39, 2);call #Ultimate.allocInit(12, 3);~r2~0 := 0;~r3~0 := 0;~ep23~0 := 0;~mode3~0 := 0;~ep21~0 := 0;~p32~0 := 0;~p31~0 := 0;~p31_new~0 := 0;~p12~0 := 0;~p13~0 := 0;~p23_new~0 := 0;~p31_old~0 := 0;~p32_old~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~p23_old~0 := 0;~p32_new~0 := 0;~p13_new~0 := 0;~nomsg~0 := -1;~ep13~0 := 0;~ep12~0 := 0;~m1~0 := 0;~ep32~0 := 0;~m2~0 := 0;~ep31~0 := 0;~m3~0 := 0;~p13_old~0 := 0;~p21~0 := 0;~p23~0 := 0;~st2~0 := 0;~st1~0 := 0;~nl1~0 := 0;~st3~0 := 0;~nl3~0 := 0;~nl2~0 := 0;~p12_new~0 := 0;~id2~0 := 0;~id1~0 := 0;~id3~0 := 0;~p21_new~0 := 0;~p21_old~0 := 0;~max3~0 := 0;~p12_old~0 := 0;~max2~0 := 0;~max1~0 := 0;~r1~0 := 0; 857#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep21~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep23~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep31~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep32~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0; 858#L228 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 861#L231-1 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 845#L241 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 809#L244-1 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 842#L254 assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 851#L257-1 init_~r212~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 836#L267 assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 813#L270-1 init_~r232~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 823#L280 assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 880#L283-1 init_~r312~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 887#L293 assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 853#L296-1 init_~r322~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 885#L306 assume ~id1~0 != ~id2~0; 889#L307 assume ~id1~0 != ~id3~0; 816#L308 assume ~id2~0 != ~id3~0; 817#L309 assume ~id1~0 >= 0; 888#L310 assume ~id2~0 >= 0; 865#L311 assume ~id3~0 >= 0; 866#L312 assume 0 == ~r1~0; 834#L313 assume 0 == ~r2~0; 835#L314 assume 0 == ~r3~0; 859#L315 assume ~max1~0 == ~id1~0; 860#L316 assume ~max2~0 == ~id2~0; 798#L317 assume ~max3~0 == ~id3~0; 799#L318 assume 0 == ~st1~0; 907#L319 assume 0 == ~st2~0; 892#L320 assume 0 == ~st3~0; 882#L321 assume 0 == ~nl1~0; 883#L322 assume 0 == ~nl2~0; 796#L323 assume 0 == ~nl3~0; 797#L324 assume 0 == ~mode1~0 % 256; 824#L325 assume 0 == ~mode2~0 % 256; 843#L326 assume 0 == ~mode3~0 % 256;init_~tmp___5~0#1 := 1; 844#L306-1 init_#res#1 := init_~tmp___5~0#1; 894#L391 main_#t~ret31#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 895#L485 assume !(0 == main_~i2~0#1); 802#L485-2 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 803#L499-2 [2022-11-18 20:07:23,828 INFO L750 eck$LassoCheckResult]: Loop: 803#L499-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true; 912#L75 assume !(0 != ~mode1~0 % 256); 910#L100 assume ~r1~0 < 2; 906#L101 assume !(0 != ~ep12~0 % 256); 896#L101-2 assume 0 != ~ep13~0 % 256;~p13_new~0 := (if (if ~max1~0 != ~nomsg~0 && ~p13_new~0 == ~nomsg~0 then ~max1~0 else ~p13_new~0) % 256 <= 127 then (if ~max1~0 != ~nomsg~0 && ~p13_new~0 == ~nomsg~0 then ~max1~0 else ~p13_new~0) % 256 else (if ~max1~0 != ~nomsg~0 && ~p13_new~0 == ~nomsg~0 then ~max1~0 else ~p13_new~0) % 256 - 256); 897#L100-1 ~mode1~0 := 1; 940#L75-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 939#L118 assume !(0 != ~mode2~0 % 256); 931#L143 assume !(~r2~0 < 2); 929#L143-1 ~mode2~0 := 1; 927#L118-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 925#L161 assume !(0 != ~mode3~0 % 256); 922#L186 assume !(~r3~0 < 2); 919#L186-1 ~mode3~0 := 1; 916#L161-2 assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 914#L399 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 913#L400 assume ~st1~0 + ~nl1~0 <= 1; 911#L401 assume ~st2~0 + ~nl2~0 <= 1; 909#L402 assume ~st3~0 + ~nl3~0 <= 1; 908#L403 assume !(~r1~0 >= 2); 854#L406 assume 0 == ~st1~0 + ~st2~0 + ~st3~0; 855#L407 assume ~r1~0 < 2; 946#L412 assume !(~r1~0 >= 2); 825#L416 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0; 826#L417 assume ~r1~0 < 2;check_~tmp~1#1 := 1; 924#L399-1 check_#res#1 := check_~tmp~1#1; 920#L447 main_#t~ret32#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 917#L529 assume !(0 == assert_~arg#1 % 256); 915#L524 assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1; 803#L499-2 [2022-11-18 20:07:23,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:23,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1849055478, now seen corresponding path program 2 times [2022-11-18 20:07:23,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:23,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058014903] [2022-11-18 20:07:23,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:23,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:23,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:07:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:23,901 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:07:23,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:23,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1740395124, now seen corresponding path program 1 times [2022-11-18 20:07:23,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:23,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041149643] [2022-11-18 20:07:23,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:23,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:23,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:07:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:23,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:07:23,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:23,976 INFO L85 PathProgramCache]: Analyzing trace with hash 504140983, now seen corresponding path program 1 times [2022-11-18 20:07:23,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:23,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948292813] [2022-11-18 20:07:23,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:23,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:24,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:07:24,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:07:24,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948292813] [2022-11-18 20:07:24,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948292813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:07:24,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:07:24,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:07:24,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117313775] [2022-11-18 20:07:24,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:07:25,729 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:07:25,730 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:07:25,731 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:07:25,731 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:07:25,731 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:07:25,731 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:25,731 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:07:25,732 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:07:25,732 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.3.1.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2022-11-18 20:07:25,732 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:07:25,732 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:07:25,760 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:25,772 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:25,778 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:25,784 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:25,787 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:25,798 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:25,803 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:25,806 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:26,093 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:26,100 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:26,107 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:26,115 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:26,119 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:26,122 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:26,125 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:26,919 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-18 20:07:28,638 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:07:28,639 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:07:28,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:28,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:28,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:28,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:07:28,660 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:07:28,663 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:07:28,700 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 20:07:28,700 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~ep12~0=0} Honda state: {~ep12~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 20:07:28,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-18 20:07:28,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:28,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:28,714 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:28,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:07:28,720 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:07:28,720 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:07:28,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:28,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:28,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:28,764 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:28,772 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:07:28,773 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:07:28,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:07:28,945 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 20:07:28,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:28,957 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:07:28,957 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:07:28,957 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:07:28,957 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:07:28,957 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:07:28,957 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:28,957 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:07:28,958 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:07:28,958 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.3.1.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2022-11-18 20:07:28,958 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:07:28,958 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:07:28,972 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:28,981 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:28,995 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:28,998 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:29,005 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:29,019 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:29,023 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:29,027 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:29,034 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:29,045 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:29,344 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:29,355 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:29,359 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:29,363 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:29,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:30,110 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-18 20:07:31,884 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:07:31,892 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:07:31,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:31,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:31,896 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:31,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:07:31,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:07:31,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:07:31,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:07:31,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:07:31,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:07:31,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:07:31,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:07:31,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:07:31,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:07:31,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:31,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:31,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:31,952 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:31,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:07:31,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:07:31,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:07:31,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:07:31,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:07:31,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:07:31,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:07:31,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:07:31,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:07:31,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:07:32,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:32,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:32,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:32,011 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:32,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:07:32,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:07:32,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:07:32,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:07:32,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:07:32,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:07:32,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:07:32,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:07:32,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:07:32,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:07:32,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:32,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:32,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:32,058 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:32,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:07:32,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:07:32,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:07:32,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:07:32,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:07:32,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:07:32,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:07:32,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:07:32,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:07:32,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:07:32,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:32,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:32,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:32,111 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:32,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:07:32,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:07:32,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:07:32,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:07:32,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:07:32,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:07:32,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:07:32,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:07:32,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:07:32,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:07:32,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:32,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:32,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:32,192 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:32,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:07:32,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:07:32,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:07:32,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:07:32,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:07:32,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:07:32,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:07:32,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:07:32,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:07:32,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:07:32,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:32,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:32,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:32,233 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:32,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:07:32,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:07:32,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:07:32,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:07:32,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:07:32,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:07:32,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:07:32,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:07:32,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:07:32,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:07:32,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:32,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:32,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:32,291 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:32,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:07:32,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:07:32,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:07:32,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:07:32,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:07:32,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:07:32,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:07:32,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:07:32,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:07:32,331 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:07:32,360 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 20:07:32,361 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 20:07:32,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:32,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:32,371 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:32,399 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:07:32,400 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 20:07:32,400 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:07:32,400 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 11 Supporting invariants [] [2022-11-18 20:07:32,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:07:32,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:32,409 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 20:07:32,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:32,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:07:32,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:07:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:32,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:07:32,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:07:32,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:07:32,849 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 20:07:32,850 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 151 states and 224 transitions. cyclomatic complexity: 74 Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:32,928 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 151 states and 224 transitions. cyclomatic complexity: 74. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 250 states and 379 transitions. Complement of second has 4 states. [2022-11-18 20:07:32,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:07:32,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:32,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2022-11-18 20:07:32,932 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 159 transitions. Stem has 39 letters. Loop has 29 letters. [2022-11-18 20:07:32,934 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:07:32,934 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 159 transitions. Stem has 68 letters. Loop has 29 letters. [2022-11-18 20:07:32,935 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:07:32,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 159 transitions. Stem has 39 letters. Loop has 58 letters. [2022-11-18 20:07:32,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:07:32,936 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 250 states and 379 transitions. [2022-11-18 20:07:32,938 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:07:32,938 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 250 states to 0 states and 0 transitions. [2022-11-18 20:07:32,939 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:07:32,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:07:32,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:07:32,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:07:32,939 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:07:32,939 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:07:32,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:07:32,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:07:32,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:07:32,940 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:32,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:07:32,941 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-11-18 20:07:32,941 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-11-18 20:07:32,941 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:07:32,941 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:07:32,941 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:07:32,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:07:32,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:07:32,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:07:32,942 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:07:32,942 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:07:32,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:07:32,943 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:07:32,943 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-18 20:07:32,943 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:07:32,944 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:07:32,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 20:07:32,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:07:32 BoogieIcfgContainer [2022-11-18 20:07:32,955 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:07:32,956 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:07:32,956 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:07:32,957 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:07:32,957 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:07:22" (3/4) ... [2022-11-18 20:07:32,964 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:07:32,964 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:07:32,966 INFO L158 Benchmark]: Toolchain (without parser) took 12740.20ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 95.2MB in the beginning and 127.1MB in the end (delta: -32.0MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2022-11-18 20:07:32,966 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 132.1MB. Free memory was 102.9MB in the beginning and 102.9MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:07:32,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.60ms. Allocated memory is still 132.1MB. Free memory was 94.7MB in the beginning and 100.8MB in the end (delta: -6.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:07:32,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.93ms. Allocated memory is still 132.1MB. Free memory was 100.8MB in the beginning and 98.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:07:32,976 INFO L158 Benchmark]: Boogie Preprocessor took 72.36ms. Allocated memory is still 132.1MB. Free memory was 98.0MB in the beginning and 95.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:07:32,977 INFO L158 Benchmark]: RCFGBuilder took 1072.53ms. Allocated memory is still 132.1MB. Free memory was 95.9MB in the beginning and 68.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-18 20:07:32,979 INFO L158 Benchmark]: BuchiAutomizer took 10904.15ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 68.6MB in the beginning and 127.1MB in the end (delta: -58.5MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2022-11-18 20:07:32,979 INFO L158 Benchmark]: Witness Printer took 8.37ms. Allocated memory is still 201.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:07:32,981 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 132.1MB. Free memory was 102.9MB in the beginning and 102.9MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.60ms. Allocated memory is still 132.1MB. Free memory was 94.7MB in the beginning and 100.8MB in the end (delta: -6.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.93ms. Allocated memory is still 132.1MB. Free memory was 100.8MB in the beginning and 98.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.36ms. Allocated memory is still 132.1MB. Free memory was 98.0MB in the beginning and 95.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1072.53ms. Allocated memory is still 132.1MB. Free memory was 95.9MB in the beginning and 68.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 10904.15ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 68.6MB in the beginning and 127.1MB in the end (delta: -58.5MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Witness Printer took 8.37ms. Allocated memory is still 201.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 11 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.8s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 9.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 56 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 396 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 395 mSDsluCounter, 1970 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1289 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 681 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital261 mio100 ax100 hnf100 lsp249 ukn27 mio100 lsp100 div118 bol100 ite100 ukn100 eq169 hnf95 smp80 dnf675 smp38 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 20:07:33,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:33,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063ba5ee-d9ca-49f1-8ca8-e87f316e18b2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE