./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77af8780d2ec99ad0d03b475aa25db67a7ba0a218594f51cddbe35460cd2b670 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 20:01:04,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:01:04,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:01:04,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:01:04,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:01:04,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:01:04,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:01:04,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:01:04,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:01:04,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:01:04,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:01:04,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:01:04,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:01:04,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:01:04,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:01:04,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:01:04,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:01:04,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:01:04,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:01:04,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:01:04,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:01:04,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:01:04,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:01:04,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:01:04,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:01:04,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:01:04,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:01:04,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:01:04,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:01:04,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:01:04,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:01:04,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:01:04,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:01:04,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:01:04,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:01:04,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:01:04,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:01:04,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:01:04,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:01:04,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:01:04,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:01:04,925 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 20:01:04,945 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:01:04,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:01:04,945 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:01:04,945 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:01:04,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:01:04,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:01:04,947 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:01:04,947 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 20:01:04,947 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 20:01:04,947 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 20:01:04,947 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 20:01:04,947 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 20:01:04,948 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 20:01:04,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:01:04,948 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:01:04,948 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:01:04,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:01:04,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:01:04,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:01:04,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 20:01:04,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 20:01:04,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 20:01:04,949 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:01:04,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:01:04,950 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 20:01:04,950 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:01:04,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 20:01:04,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:01:04,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:01:04,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:01:04,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:01:04,952 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 20:01:04,952 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_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77af8780d2ec99ad0d03b475aa25db67a7ba0a218594f51cddbe35460cd2b670 [2022-12-13 20:01:05,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:01:05,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:01:05,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:01:05,135 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:01:05,136 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:01:05,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2022-12-13 20:01:07,765 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:01:07,952 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:01:07,953 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2022-12-13 20:01:07,962 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/data/d4e31e5a8/7ea6ab76cc97497e9b74f22a69c2e63e/FLAG7b4b44b29 [2022-12-13 20:01:07,977 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/data/d4e31e5a8/7ea6ab76cc97497e9b74f22a69c2e63e [2022-12-13 20:01:07,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:01:07,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:01:07,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:01:07,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:01:07,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:01:07,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:01:07" (1/1) ... [2022-12-13 20:01:07,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6404f904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:01:07, skipping insertion in model container [2022-12-13 20:01:07,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:01:07" (1/1) ... [2022-12-13 20:01:07,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:01:08,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:01:08,223 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c[26618,26631] [2022-12-13 20:01:08,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:01:08,233 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:01:08,291 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c[26618,26631] [2022-12-13 20:01:08,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:01:08,303 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:01:08,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:01:08 WrapperNode [2022-12-13 20:01:08,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:01:08,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:01:08,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:01:08,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:01:08,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:01:08" (1/1) ... [2022-12-13 20:01:08,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:01:08" (1/1) ... [2022-12-13 20:01:08,347 INFO L138 Inliner]: procedures = 23, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 909 [2022-12-13 20:01:08,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:01:08,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:01:08,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:01:08,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:01:08,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:01:08" (1/1) ... [2022-12-13 20:01:08,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:01:08" (1/1) ... [2022-12-13 20:01:08,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:01:08" (1/1) ... [2022-12-13 20:01:08,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:01:08" (1/1) ... [2022-12-13 20:01:08,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:01:08" (1/1) ... [2022-12-13 20:01:08,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:01:08" (1/1) ... [2022-12-13 20:01:08,385 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:01:08" (1/1) ... [2022-12-13 20:01:08,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:01:08" (1/1) ... [2022-12-13 20:01:08,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:01:08,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:01:08,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:01:08,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:01:08,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:01:08" (1/1) ... [2022-12-13 20:01:08,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:08,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:01:08,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:01:08,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 20:01:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:01:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:01:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:01:08,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:01:08,576 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:01:08,578 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:01:09,245 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:01:09,254 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:01:09,254 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 20:01:09,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:01:09 BoogieIcfgContainer [2022-12-13 20:01:09,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:01:09,259 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 20:01:09,259 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 20:01:09,262 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 20:01:09,263 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 20:01:09,263 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 08:01:07" (1/3) ... [2022-12-13 20:01:09,264 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10d80361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 08:01:09, skipping insertion in model container [2022-12-13 20:01:09,264 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 20:01:09,264 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:01:08" (2/3) ... [2022-12-13 20:01:09,264 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10d80361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 08:01:09, skipping insertion in model container [2022-12-13 20:01:09,264 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 20:01:09,265 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:01:09" (3/3) ... [2022-12-13 20:01:09,266 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2022-12-13 20:01:09,314 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 20:01:09,314 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 20:01:09,314 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 20:01:09,315 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 20:01:09,315 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 20:01:09,315 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 20:01:09,315 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 20:01:09,315 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 20:01:09,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 287 states, 286 states have (on average 1.8216783216783217) internal successors, (521), 286 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:01:09,342 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 99 [2022-12-13 20:01:09,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:01:09,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:01:09,349 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:01:09,350 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] [2022-12-13 20:01:09,350 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 20:01:09,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 287 states, 286 states have (on average 1.8216783216783217) internal successors, (521), 286 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:01:09,360 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 99 [2022-12-13 20:01:09,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:01:09,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:01:09,363 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:01:09,363 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] [2022-12-13 20:01:09,372 INFO L748 eck$LassoCheckResult]: Stem: 179#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 0; 191#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~ret48#1, main_#t~ret49#1, main_#t~post50#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;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~newmax1~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~id2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~r2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~nl2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~m2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~max2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode2~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~newmax2~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~id3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~r3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~st3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~nl3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~m3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~max3~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~mode3~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~newmax3~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~id4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~r4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~st4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~nl4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~m4~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~max4~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~mode4~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~newmax4~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 30#L441true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 227#L452true init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 102#L462true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 135#L473true init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 257#L483true assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 231#L494true init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 232#L504true assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 54#L515true init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 2#L525true assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 221#L536true init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 49#L546true assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 285#L557true init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 65#L567true assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 198#L578true init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 110#L588true assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 214#L599true init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 99#L609true assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 74#L620true init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 104#L630true assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 194#L641true init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 270#L651true assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 200#L662true init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 130#L672true assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 234#L683true init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 273#L693true assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 211#L704true init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 156#L714true assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 13#L725true init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 279#L735true assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 109#L746true init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 96#L756true assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 262#L767true init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 32#L777true assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 142#L788true init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 197#L798true assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 275#L809true init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 201#L819true assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 258#L830true init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 126#L840true assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 236#L851true init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 182#L861true assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 239#L872true init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 190#L882true assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 100#L893true init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 254#L903true assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 98#L914true init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 244#L924true assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 90#L935true init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 122#L945true assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 203#L945-1true init_#res#1 := init_~tmp___23~0#1; 114#init_returnLabel#1true main_#t~ret48#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret48#1;havoc main_#t~ret48#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 117#L21true assume !(0 == assume_abort_if_not_~cond#1); 166#L20true assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 20#L1223-2true [2022-12-13 20:01:09,373 INFO L750 eck$LassoCheckResult]: Loop: 20#L1223-2true assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_~newmax~0#1;havoc node1_~newmax~0#1;node1_~newmax~0#1 := 0; 71#L114true assume !(0 != ~mode1~0 % 256); 250#L150true assume !(~r1~0 < 3); 157#L150-1true ~mode1~0 := 1; 55#L114-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~newmax~1#1;havoc node2_~newmax~1#1;node2_~newmax~1#1 := 0; 39#L178true assume !(0 != ~mode2~0 % 256); 278#L214true assume !(~r2~0 < 3); 103#L214-1true ~mode2~0 := 1; 158#L178-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~newmax~2#1;havoc node3_~newmax~2#1;node3_~newmax~2#1 := 0; 286#L242true assume !(0 != ~mode3~0 % 256); 149#L278true assume !(~r3~0 < 3); 121#L278-1true ~mode3~0 := 1; 208#L242-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~newmax~3#1;havoc node4_~newmax~3#1;node4_~newmax~3#1 := 0; 138#L306true assume !(0 != ~mode4~0 % 256); 48#L342true assume !(~r4~0 < 3); 16#L342-1true ~mode4~0 := 1; 59#L306-2true assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_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;~p24_old~0 := ~p24_new~0;~p24_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;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 37#L1090true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1#1 := 0; 33#L1090-1true check_#res#1 := check_~tmp~1#1; 168#check_returnLabel#1true main_#t~ret49#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret49#1;havoc main_#t~ret49#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; 35#L1266true assume !(0 == assert_~arg#1 % 256); 242#L1261true assume { :end_inline_assert } true;main_#t~post50#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post50#1;havoc main_#t~post50#1; 20#L1223-2true [2022-12-13 20:01:09,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:01:09,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1995424982, now seen corresponding path program 1 times [2022-12-13 20:01:09,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:01:09,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842788284] [2022-12-13 20:01:09,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:01:09,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:01:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:01:09,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:01:09,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:01:09,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842788284] [2022-12-13 20:01:09,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842788284] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:01:09,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:01:09,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:01:09,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815258956] [2022-12-13 20:01:09,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:01:09,801 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 20:01:09,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:01:09,802 INFO L85 PathProgramCache]: Analyzing trace with hash -2093601291, now seen corresponding path program 1 times [2022-12-13 20:01:09,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:01:09,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785040878] [2022-12-13 20:01:09,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:01:09,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:01:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:01:09,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:01:09,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:01:09,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785040878] [2022-12-13 20:01:09,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785040878] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:01:09,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:01:09,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:01:09,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826249923] [2022-12-13 20:01:09,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:01:09,956 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 20:01:09,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:01:09,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:01:09,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:01:09,989 INFO L87 Difference]: Start difference. First operand has 287 states, 286 states have (on average 1.8216783216783217) internal successors, (521), 286 states have internal predecessors, (521), 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 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:01:10,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:01:10,086 INFO L93 Difference]: Finished difference Result 291 states and 521 transitions. [2022-12-13 20:01:10,087 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 291 states and 521 transitions. [2022-12-13 20:01:10,092 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 98 [2022-12-13 20:01:10,097 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 291 states to 282 states and 504 transitions. [2022-12-13 20:01:10,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 282 [2022-12-13 20:01:10,100 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 282 [2022-12-13 20:01:10,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 282 states and 504 transitions. [2022-12-13 20:01:10,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:01:10,102 INFO L218 hiAutomatonCegarLoop]: Abstraction has 282 states and 504 transitions. [2022-12-13 20:01:10,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states and 504 transitions. [2022-12-13 20:01:10,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2022-12-13 20:01:10,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 282 states have (on average 1.7872340425531914) internal successors, (504), 281 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:01:10,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 504 transitions. [2022-12-13 20:01:10,135 INFO L240 hiAutomatonCegarLoop]: Abstraction has 282 states and 504 transitions. [2022-12-13 20:01:10,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:01:10,140 INFO L428 stractBuchiCegarLoop]: Abstraction has 282 states and 504 transitions. [2022-12-13 20:01:10,140 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 20:01:10,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 282 states and 504 transitions. [2022-12-13 20:01:10,142 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 98 [2022-12-13 20:01:10,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:01:10,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:01:10,145 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:01:10,145 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:01:10,145 INFO L748 eck$LassoCheckResult]: Stem: 849#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 0; 850#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~ret48#1, main_#t~ret49#1, main_#t~post50#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;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~newmax1~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~id2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~r2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~nl2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~m2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~max2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode2~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~newmax2~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~id3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~r3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~st3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~nl3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~m3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~max3~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~mode3~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~newmax3~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~id4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~r4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~st4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~nl4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~m4~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~max4~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~mode4~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~newmax4~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 664#L441 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 665#L452 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 784#L462 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 748#L473 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 812#L483 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 721#L494 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 871#L504 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 686#L515 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 596#L525 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 597#L536 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 700#L546 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 701#L557 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 727#L567 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 643#L578 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 790#L588 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 651#L599 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 781#L609 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 706#L620 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 746#L630 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 716#L641 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 856#L651 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 653#L662 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 808#L672 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 809#L683 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 872#L693 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 734#L704 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 834#L714 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 628#L725 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 629#L735 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 600#L746 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 777#L756 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 621#L767 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 667#L777 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 668#L788 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 822#L798 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 831#L809 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 860#L819 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 624#L830 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 804#L840 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 607#L851 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 852#L861 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 711#L872 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 855#L882 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 691#L893 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 782#L903 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 752#L914 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 780#L924 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 769#L935 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 770#L945 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 613#L945-1 init_#res#1 := init_~tmp___23~0#1; 793#init_returnLabel#1 main_#t~ret48#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret48#1;havoc main_#t~ret48#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 794#L21 assume !(0 == assume_abort_if_not_~cond#1); 798#L20 assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 640#L1223-2 [2022-12-13 20:01:10,145 INFO L750 eck$LassoCheckResult]: Loop: 640#L1223-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_~newmax~0#1;havoc node1_~newmax~0#1;node1_~newmax~0#1 := 0; 641#L114 assume !(0 != ~mode1~0 % 256); 739#L150 assume !(~r1~0 < 3); 815#L150-1 ~mode1~0 := 1; 709#L114-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~newmax~1#1;havoc node2_~newmax~1#1;node2_~newmax~1#1 := 0; 681#L178 assume !(0 != ~mode2~0 % 256); 682#L214 assume !(~r2~0 < 3); 639#L214-1 ~mode2~0 := 1; 786#L178-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~newmax~2#1;havoc node3_~newmax~2#1;node3_~newmax~2#1 := 0; 835#L242 assume !(0 != ~mode3~0 % 256); 828#L278 assume !(~r3~0 < 3); 758#L278-1 ~mode3~0 := 1; 797#L242-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~newmax~3#1;havoc node4_~newmax~3#1;node4_~newmax~3#1 := 0; 816#L306 assume !(0 != ~mode4~0 % 256); 697#L342 assume !(~r4~0 < 3); 630#L342-1 ~mode4~0 := 1; 631#L306-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 679#L1090 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 680#L1091 assume ~st1~0 + ~nl1~0 <= 1; 760#L1092 assume ~st2~0 + ~nl2~0 <= 1; 844#L1093 assume ~st3~0 + ~nl3~0 <= 1; 869#L1094 assume ~st4~0 + ~nl4~0 <= 1; 866#L1095 assume ~r1~0 >= 3; 736#$Ultimate##678 assume ~r1~0 < 3; 635#$Ultimate##682 assume ~r1~0 >= 3; 636#$Ultimate##686 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 670#L1090-1 check_#res#1 := check_~tmp~1#1; 671#check_returnLabel#1 main_#t~ret49#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret49#1;havoc main_#t~ret49#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; 674#L1266 assume !(0 == assert_~arg#1 % 256); 675#L1261 assume { :end_inline_assert } true;main_#t~post50#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post50#1;havoc main_#t~post50#1; 640#L1223-2 [2022-12-13 20:01:10,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:01:10,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1995424982, now seen corresponding path program 2 times [2022-12-13 20:01:10,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:01:10,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965831071] [2022-12-13 20:01:10,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:01:10,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:01:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:01:10,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:01:10,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:01:10,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965831071] [2022-12-13 20:01:10,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965831071] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:01:10,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:01:10,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:01:10,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329361870] [2022-12-13 20:01:10,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:01:10,288 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 20:01:10,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:01:10,289 INFO L85 PathProgramCache]: Analyzing trace with hash -2016306236, now seen corresponding path program 1 times [2022-12-13 20:01:10,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:01:10,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014285499] [2022-12-13 20:01:10,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:01:10,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:01:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:01:10,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:01:10,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:01:10,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014285499] [2022-12-13 20:01:10,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014285499] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:01:10,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:01:10,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:01:10,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492766209] [2022-12-13 20:01:10,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:01:10,330 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 20:01:10,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:01:10,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:01:10,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:01:10,331 INFO L87 Difference]: Start difference. First operand 282 states and 504 transitions. cyclomatic complexity: 223 Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:01:10,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:01:10,377 INFO L93 Difference]: Finished difference Result 361 states and 632 transitions. [2022-12-13 20:01:10,377 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 361 states and 632 transitions. [2022-12-13 20:01:10,381 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 177 [2022-12-13 20:01:10,384 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 361 states to 361 states and 632 transitions. [2022-12-13 20:01:10,384 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 361 [2022-12-13 20:01:10,385 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 361 [2022-12-13 20:01:10,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 361 states and 632 transitions. [2022-12-13 20:01:10,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:01:10,387 INFO L218 hiAutomatonCegarLoop]: Abstraction has 361 states and 632 transitions. [2022-12-13 20:01:10,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states and 632 transitions. [2022-12-13 20:01:10,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2022-12-13 20:01:10,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 361 states have (on average 1.7506925207756232) internal successors, (632), 360 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:01:10,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 632 transitions. [2022-12-13 20:01:10,403 INFO L240 hiAutomatonCegarLoop]: Abstraction has 361 states and 632 transitions. [2022-12-13 20:01:10,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:01:10,404 INFO L428 stractBuchiCegarLoop]: Abstraction has 361 states and 632 transitions. [2022-12-13 20:01:10,404 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 20:01:10,404 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 361 states and 632 transitions. [2022-12-13 20:01:10,407 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 177 [2022-12-13 20:01:10,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:01:10,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:01:10,409 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:01:10,409 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:01:10,410 INFO L748 eck$LassoCheckResult]: Stem: 1508#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 0; 1509#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~ret48#1, main_#t~ret49#1, main_#t~post50#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;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~newmax1~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~id2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~r2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~nl2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~m2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~max2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode2~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~newmax2~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~id3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~r3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~st3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~nl3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~m3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~max3~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~mode3~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~newmax3~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~id4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~r4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~st4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~nl4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~m4~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~max4~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~mode4~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~newmax4~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 1315#L441 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 1316#L452 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 1439#L462 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 1402#L473 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 1468#L483 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 1374#L494 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 1530#L504 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 1341#L515 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 1251#L525 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 1252#L536 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 1353#L546 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 1354#L557 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 1380#L567 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 1294#L578 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 1445#L588 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 1302#L599 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 1437#L609 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 1359#L620 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 1400#L630 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 1369#L641 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 1515#L651 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 1304#L662 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 1464#L672 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 1465#L683 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 1531#L693 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 1387#L704 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 1491#L714 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 1280#L725 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 1281#L735 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 1255#L746 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 1431#L756 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 1273#L767 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 1320#L777 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 1321#L788 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 1478#L798 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 1487#L809 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 1519#L819 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 1276#L830 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 1460#L840 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 1259#L851 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 1511#L861 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 1364#L872 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 1514#L882 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 1344#L893 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 1438#L903 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 1405#L914 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 1435#L924 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 1423#L935 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 1424#L945 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 1264#L945-1 init_#res#1 := init_~tmp___23~0#1; 1448#init_returnLabel#1 main_#t~ret48#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret48#1;havoc main_#t~ret48#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 1449#L21 assume !(0 == assume_abort_if_not_~cond#1); 1452#L20 assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 1497#L1223-2 [2022-12-13 20:01:10,410 INFO L750 eck$LassoCheckResult]: Loop: 1497#L1223-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_~newmax~0#1;havoc node1_~newmax~0#1;node1_~newmax~0#1 := 0; 1391#L114 assume !(0 != ~mode1~0 % 256); 1393#L150 assume ~r1~0 < 3; 1443#L151 assume !(0 != ~ep12~0 % 256); 1339#L151-1 assume !(0 != ~ep13~0 % 256); 1271#L156 assume !(0 != ~ep14~0 % 256); 1471#L150-1 ~mode1~0 := 1; 1598#L114-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~newmax~1#1;havoc node2_~newmax~1#1;node2_~newmax~1#1 := 0; 1597#L178 assume !(0 != ~mode2~0 % 256); 1582#L214 assume !(~r2~0 < 3); 1578#L214-1 ~mode2~0 := 1; 1575#L178-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~newmax~2#1;havoc node3_~newmax~2#1;node3_~newmax~2#1 := 0; 1572#L242 assume !(0 != ~mode3~0 % 256); 1568#L278 assume !(~r3~0 < 3); 1565#L278-1 ~mode3~0 := 1; 1563#L242-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~newmax~3#1;havoc node4_~newmax~3#1;node4_~newmax~3#1 := 0; 1561#L306 assume !(0 != ~mode4~0 % 256); 1547#L342 assume !(~r4~0 < 3); 1545#L342-1 ~mode4~0 := 1; 1544#L306-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_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;~p24_old~0 := ~p24_new~0;~p24_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;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 1543#L1090 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1542#L1091 assume ~st1~0 + ~nl1~0 <= 1; 1541#L1092 assume ~st2~0 + ~nl2~0 <= 1; 1540#L1093 assume ~st3~0 + ~nl3~0 <= 1; 1539#L1094 assume ~st4~0 + ~nl4~0 <= 1; 1538#L1095 assume !(~r1~0 >= 3); 1433#L1098 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1434#$Ultimate##678 assume ~r1~0 < 3; 1607#$Ultimate##682 assume !(~r1~0 >= 3); 1318#L1108 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1319#$Ultimate##686 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 1608#L1090-1 check_#res#1 := check_~tmp~1#1; 1606#check_returnLabel#1 main_#t~ret49#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret49#1;havoc main_#t~ret49#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; 1327#L1266 assume !(0 == assert_~arg#1 % 256); 1328#L1261 assume { :end_inline_assert } true;main_#t~post50#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post50#1;havoc main_#t~post50#1; 1497#L1223-2 [2022-12-13 20:01:10,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:01:10,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1995424982, now seen corresponding path program 3 times [2022-12-13 20:01:10,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:01:10,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565944701] [2022-12-13 20:01:10,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:01:10,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:01:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:01:10,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:01:10,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:01:10,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565944701] [2022-12-13 20:01:10,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565944701] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:01:10,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:01:10,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:01:10,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023626284] [2022-12-13 20:01:10,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:01:10,544 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 20:01:10,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:01:10,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1451700942, now seen corresponding path program 1 times [2022-12-13 20:01:10,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:01:10,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131424438] [2022-12-13 20:01:10,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:01:10,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:01:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:01:10,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:01:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:01:10,584 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:01:11,473 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 20:01:11,474 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 20:01:11,474 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 20:01:11,474 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 20:01:11,474 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 20:01:11,474 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:11,474 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 20:01:11,474 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 20:01:11,474 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2022-12-13 20:01:11,474 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 20:01:11,475 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 20:01:11,490 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,500 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,502 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,504 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,505 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,509 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,511 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,512 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,516 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,519 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,549 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,551 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,553 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,559 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,567 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,571 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,573 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,586 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,588 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:11,592 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,012 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 20:01:12,013 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 20:01:12,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:12,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:01:12,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:01:12,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 20:01:12,018 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 20:01:12,018 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 20:01:12,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 20:01:12,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:12,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:01:12,037 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:01:12,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 20:01:12,039 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 20:01:12,039 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 20:01:12,189 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 20:01:12,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 20:01:12,193 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 20:01:12,193 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 20:01:12,193 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 20:01:12,193 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 20:01:12,193 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 20:01:12,193 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:12,193 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 20:01:12,193 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 20:01:12,193 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2022-12-13 20:01:12,194 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 20:01:12,194 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 20:01:12,197 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,199 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,203 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,239 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,241 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,245 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,247 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,249 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,250 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,254 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,256 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,258 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,260 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,261 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,263 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,267 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,276 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,278 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,281 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,283 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,285 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,287 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:01:12,737 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 20:01:12,741 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 20:01:12,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:12,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:01:12,743 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:01:12,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 20:01:12,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 20:01:12,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:01:12,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:01:12,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:01:12,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:01:12,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:01:12,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:01:12,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:01:12,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:01:12,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 20:01:12,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:12,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:01:12,763 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:01:12,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 20:01:12,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 20:01:12,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:01:12,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:01:12,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:01:12,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:01:12,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:01:12,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:01:12,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:01:12,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:01:12,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 20:01:12,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:12,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:01:12,782 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:01:12,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 20:01:12,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 20:01:12,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:01:12,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:01:12,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:01:12,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:01:12,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:01:12,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:01:12,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:01:12,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:01:12,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 20:01:12,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:12,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:01:12,817 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:01:12,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 20:01:12,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 20:01:12,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:01:12,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:01:12,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:01:12,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:01:12,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:01:12,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:01:12,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:01:12,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:01:12,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-12-13 20:01:12,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:12,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:01:12,835 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:01:12,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 20:01:12,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 20:01:12,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:01:12,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:01:12,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:01:12,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:01:12,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:01:12,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:01:12,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:01:12,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:01:12,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-12-13 20:01:12,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:12,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:01:12,855 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:01:12,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 20:01:12,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 20:01:12,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:01:12,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:01:12,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:01:12,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:01:12,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:01:12,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:01:12,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:01:12,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:01:12,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 20:01:12,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:12,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:01:12,873 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:01:12,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 20:01:12,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 20:01:12,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:01:12,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:01:12,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:01:12,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:01:12,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:01:12,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:01:12,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:01:12,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:01:12,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 20:01:12,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:12,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:01:12,891 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:01:12,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 20:01:12,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 20:01:12,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:01:12,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:01:12,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:01:12,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:01:12,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:01:12,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:01:12,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:01:12,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:01:12,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 20:01:12,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:12,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:01:12,909 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:01:12,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 20:01:12,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 20:01:12,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:01:12,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:01:12,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:01:12,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:01:12,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:01:12,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:01:12,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:01:12,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:01:12,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-12-13 20:01:12,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:12,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:01:12,929 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:01:12,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 20:01:12,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 20:01:12,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:01:12,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:01:12,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:01:12,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:01:12,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:01:12,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:01:12,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:01:12,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:01:12,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-12-13 20:01:12,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:12,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:01:12,946 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:01:12,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 20:01:12,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 20:01:12,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:01:12,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:01:12,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:01:12,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:01:12,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:01:12,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:01:12,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:01:12,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:01:12,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 20:01:12,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:12,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:01:12,964 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:01:12,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 20:01:12,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 20:01:12,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:01:12,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:01:12,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:01:12,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:01:12,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:01:12,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:01:12,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:01:12,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:01:12,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-12-13 20:01:12,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:12,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:01:12,981 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:01:12,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 20:01:12,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 20:01:12,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:01:12,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:01:12,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:01:12,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:01:12,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:01:12,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:01:12,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:01:12,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:01:12,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 20:01:12,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:12,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:01:12,999 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:01:13,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 20:01:13,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 20:01:13,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:01:13,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:01:13,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:01:13,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:01:13,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:01:13,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:01:13,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:01:13,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:01:13,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 20:01:13,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:13,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:01:13,017 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:01:13,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 20:01:13,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 20:01:13,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:01:13,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:01:13,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:01:13,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:01:13,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:01:13,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:01:13,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:01:13,033 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 20:01:13,037 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 20:01:13,037 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 20:01:13,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:01:13,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:01:13,065 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:01:13,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 20:01:13,067 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 20:01:13,067 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 20:01:13,067 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 20:01:13,067 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 15 Supporting invariants [] [2022-12-13 20:01:13,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-12-13 20:01:13,071 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 20:01:13,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:01:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:01:13,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:01:13,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:01:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:01:13,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 20:01:13,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:01:13,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-12-13 20:01:13,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:01:13,377 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 20:01:13,378 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 361 states and 632 transitions. cyclomatic complexity: 272 Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:01:13,427 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 361 states and 632 transitions. cyclomatic complexity: 272. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 537 states and 926 transitions. Complement of second has 4 states. [2022-12-13 20:01:13,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 20:01:13,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:01:13,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 504 transitions. [2022-12-13 20:01:13,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 504 transitions. Stem has 55 letters. Loop has 35 letters. [2022-12-13 20:01:13,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 20:01:13,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 504 transitions. Stem has 90 letters. Loop has 35 letters. [2022-12-13 20:01:13,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 20:01:13,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 504 transitions. Stem has 55 letters. Loop has 70 letters. [2022-12-13 20:01:13,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 20:01:13,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 537 states and 926 transitions. [2022-12-13 20:01:13,434 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 20:01:13,434 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 537 states to 0 states and 0 transitions. [2022-12-13 20:01:13,435 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 20:01:13,435 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 20:01:13,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 20:01:13,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:01:13,435 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:01:13,435 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:01:13,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:01:13,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:01:13,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:01:13,436 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:01:13,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:01:13,436 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-12-13 20:01:13,436 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-12-13 20:01:13,436 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 20:01:13,436 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 20:01:13,436 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 20:01:13,436 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 20:01:13,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 20:01:13,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:01:13,436 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:01:13,437 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:01:13,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 20:01:13,437 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:01:13,437 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 20:01:13,438 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 20:01:13,438 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 20:01:13,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 20:01:13,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 08:01:13 BoogieIcfgContainer [2022-12-13 20:01:13,444 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 20:01:13,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:01:13,445 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:01:13,445 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:01:13,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:01:09" (3/4) ... [2022-12-13 20:01:13,447 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 20:01:13,447 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:01:13,447 INFO L158 Benchmark]: Toolchain (without parser) took 5466.60ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 98.5MB in the beginning and 109.8MB in the end (delta: -11.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-12-13 20:01:13,448 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:01:13,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.70ms. Allocated memory is still 140.5MB. Free memory was 98.5MB in the beginning and 74.9MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 20:01:13,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.49ms. Allocated memory is still 140.5MB. Free memory was 74.9MB in the beginning and 70.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:01:13,449 INFO L158 Benchmark]: Boogie Preprocessor took 43.24ms. Allocated memory is still 140.5MB. Free memory was 70.0MB in the beginning and 109.0MB in the end (delta: -39.1MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-12-13 20:01:13,449 INFO L158 Benchmark]: RCFGBuilder took 866.51ms. Allocated memory is still 140.5MB. Free memory was 109.0MB in the beginning and 105.1MB in the end (delta: 3.8MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2022-12-13 20:01:13,449 INFO L158 Benchmark]: BuchiAutomizer took 4185.58ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 105.1MB in the beginning and 110.8MB in the end (delta: -5.7MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2022-12-13 20:01:13,449 INFO L158 Benchmark]: Witness Printer took 2.48ms. Allocated memory is still 169.9MB. Free memory was 110.8MB in the beginning and 109.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:01:13,451 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.70ms. Allocated memory is still 140.5MB. Free memory was 98.5MB in the beginning and 74.9MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.49ms. Allocated memory is still 140.5MB. Free memory was 74.9MB in the beginning and 70.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.24ms. Allocated memory is still 140.5MB. Free memory was 70.0MB in the beginning and 109.0MB in the end (delta: -39.1MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * RCFGBuilder took 866.51ms. Allocated memory is still 140.5MB. Free memory was 109.0MB in the beginning and 105.1MB in the end (delta: 3.8MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4185.58ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 105.1MB in the beginning and 110.8MB in the end (delta: -5.7MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * Witness Printer took 2.48ms. Allocated memory is still 169.9MB. Free memory was 110.8MB in the beginning and 109.8MB in the end (delta: 1.0MB). 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 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 15 + -2 * i2 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 783 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 782 mSDsluCounter, 3701 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2181 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 1520 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital205 mio100 ax100 hnf100 lsp36 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 20:01:13,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38e9a06-3ca9-498e-b059-0541c1aeffce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE