./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8 --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 c6267d36e2eda753e26c9c989bedb16747ddf010783b33bee2d0cb2d2001d5ce --- 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-e04fb08 [2022-11-16 12:46:01,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:46:01,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:46:01,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:46:01,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:46:01,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:46:01,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:46:01,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:46:01,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:46:01,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:46:01,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:46:01,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:46:01,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:46:01,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:46:01,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:46:01,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:46:01,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:46:01,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:46:01,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:46:01,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:46:01,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:46:01,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:46:01,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:46:01,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:46:01,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:46:01,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:46:01,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:46:01,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:46:01,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:46:01,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:46:01,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:46:01,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:46:01,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:46:01,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:46:01,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:46:01,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:46:01,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:46:01,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:46:01,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:46:01,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:46:01,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:46:01,293 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:46:01,316 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:46:01,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:46:01,317 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:46:01,317 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:46:01,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:46:01,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:46:01,319 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:46:01,319 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:46:01,319 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:46:01,320 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:46:01,320 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:46:01,320 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:46:01,320 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:46:01,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:46:01,321 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:46:01,321 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:46:01,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:46:01,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:46:01,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:46:01,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:46:01,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:46:01,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:46:01,322 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:46:01,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:46:01,323 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:46:01,323 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:46:01,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:46:01,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:46:01,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:46:01,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:46:01,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:46:01,325 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:46:01,326 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_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6267d36e2eda753e26c9c989bedb16747ddf010783b33bee2d0cb2d2001d5ce [2022-11-16 12:46:01,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:46:01,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:46:01,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:46:01,614 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:46:01,615 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:46:01,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c [2022-11-16 12:46:01,694 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/data/af2d85b15/999c17522e37448897d76a5ddf193f6d/FLAG46f3d1a70 [2022-11-16 12:46:02,221 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:46:02,221 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c [2022-11-16 12:46:02,242 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/data/af2d85b15/999c17522e37448897d76a5ddf193f6d/FLAG46f3d1a70 [2022-11-16 12:46:02,566 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/data/af2d85b15/999c17522e37448897d76a5ddf193f6d [2022-11-16 12:46:02,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:46:02,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:46:02,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:46:02,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:46:02,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:46:02,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:46:02" (1/1) ... [2022-11-16 12:46:02,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@776801b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:02, skipping insertion in model container [2022-11-16 12:46:02,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:46:02" (1/1) ... [2022-11-16 12:46:02,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:46:02,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:46:02,921 WARN L229 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_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c[12747,12760] [2022-11-16 12:46:02,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:46:02,931 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:46:03,016 WARN L229 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_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c[12747,12760] [2022-11-16 12:46:03,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:46:03,037 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:46:03,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:03 WrapperNode [2022-11-16 12:46:03,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:46:03,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:46:03,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:46:03,039 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:46:03,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:03" (1/1) ... [2022-11-16 12:46:03,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:03" (1/1) ... [2022-11-16 12:46:03,107 INFO L138 Inliner]: procedures = 21, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 421 [2022-11-16 12:46:03,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:46:03,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:46:03,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:46:03,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:46:03,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:03" (1/1) ... [2022-11-16 12:46:03,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:03" (1/1) ... [2022-11-16 12:46:03,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:03" (1/1) ... [2022-11-16 12:46:03,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:03" (1/1) ... [2022-11-16 12:46:03,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:03" (1/1) ... [2022-11-16 12:46:03,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:03" (1/1) ... [2022-11-16 12:46:03,175 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:03" (1/1) ... [2022-11-16 12:46:03,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:03" (1/1) ... [2022-11-16 12:46:03,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:46:03,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:46:03,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:46:03,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:46:03,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:03" (1/1) ... [2022-11-16 12:46:03,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:03,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:03,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:03,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:46:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:46:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:46:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:46:03,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:46:03,382 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:46:03,384 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:46:03,986 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:46:04,001 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:46:04,001 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:46:04,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:46:04 BoogieIcfgContainer [2022-11-16 12:46:04,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:46:04,004 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:46:04,004 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:46:04,008 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:46:04,009 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:46:04,009 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:46:02" (1/3) ... [2022-11-16 12:46:04,010 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4bfa32b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:46:04, skipping insertion in model container [2022-11-16 12:46:04,010 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:46:04,013 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:03" (2/3) ... [2022-11-16 12:46:04,013 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4bfa32b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:46:04, skipping insertion in model container [2022-11-16 12:46:04,013 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:46:04,013 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:46:04" (3/3) ... [2022-11-16 12:46:04,015 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c [2022-11-16 12:46:04,077 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:46:04,077 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:46:04,077 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:46:04,077 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:46:04,077 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:46:04,078 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:46:04,078 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:46:04,078 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:46:04,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 124 states, 123 states have (on average 1.7642276422764227) internal successors, (217), 123 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:04,108 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2022-11-16 12:46:04,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:46:04,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:46:04,116 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:04,117 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:04,117 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:46:04,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 124 states, 123 states have (on average 1.7642276422764227) internal successors, (217), 123 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:04,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2022-11-16 12:46:04,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:46:04,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:46:04,127 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:04,127 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:04,149 INFO L748 eck$LassoCheckResult]: Stem: 114#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2);call #Ultimate.allocInit(12, 3);~r2~0 := 0;~r3~0 := 0;~ep23~0 := 0;~ep21~0 := 0;~p31_new~0 := 0;~p12~0 := 0;~p13~0 := 0;~p23_new~0 := 0;~p31_old~0 := 0;~p32_old~0 := 0;~p23_old~0 := 0;~p32_new~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~ep12~0 := 0;~p13_old~0 := 0;~p21~0 := 0;~p23~0 := 0;~nl1~0 := 0;~nl3~0 := 0;~nl2~0 := 0;~p12_new~0 := 0;~p12_old~0 := 0;~mode3~0 := 0;~p32~0 := 0;~p31~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~nomsg~0 := -1;~m1~0 := 0;~ep32~0 := 0;~m2~0 := 0;~ep31~0 := 0;~m3~0 := 0;~newmax2~0 := 0;~newmax3~0 := 0;~newmax1~0 := 0;~st2~0 := 0;~st1~0 := 0;~st3~0 := 0;~id2~0 := 0;~id1~0 := 0;~id3~0 := 0;~p21_new~0 := 0;~p21_old~0 := 0;~max3~0 := 0;~max2~0 := 0;~max1~0 := 0;~r1~0 := 0; 38#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~ret34#1, main_#t~ret35#1, main_#t~post36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep21~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep23~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep31~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep32~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~newmax1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~r2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~nl2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~m2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~max2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~mode2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~newmax2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~r3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~nl3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~m3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~max3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~mode3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~newmax3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0; 17#L255true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 7#L258-1true init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 19#L268true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 22#L271-1true init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 10#L281true assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 43#L284-1true init_~r212~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 108#L294true assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 30#L297-1true init_~r232~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 66#L307true assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 67#L310-1true init_~r312~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 70#L320true assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 77#L323-1true init_~r322~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 56#L333true assume !(~id1~0 != ~id2~0);init_~tmp___5~0#1 := 0; 104#L333-1true init_#res#1 := init_~tmp___5~0#1; 14#L430true main_#t~ret34#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 81#L527true assume !(0 == main_~i2~0#1); 109#L527-2true ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 16#L541-2true [2022-11-16 12:46:04,150 INFO L750 eck$LassoCheckResult]: Loop: 16#L541-2true assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true;havoc node1_~newmax~0#1;havoc node1_~newmax~0#1;node1_~newmax~0#1 := 0; 48#L79true assume !(0 != ~mode1~0 % 256); 119#L107true assume !(~r1~0 < 2); 115#L107-1true ~mode1~0 := 1; 36#L79-2true 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; 53#L130true assume !(0 != ~mode2~0 % 256); 12#L158true assume !(~r2~0 < 2); 79#L158-1true ~mode2~0 := 1; 50#L130-2true 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; 84#L181true assume !(0 != ~mode3~0 % 256); 103#L209true assume !(~r3~0 < 2); 124#L209-1true ~mode3~0 := 1; 42#L181-2true assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 82#L438true assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1#1 := 0; 39#L438-1true check_#res#1 := check_~tmp~1#1; 87#L486true main_#t~ret35#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret35#1;havoc main_#t~ret35#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; 117#L571true assume !(0 == assert_~arg#1 % 256); 105#L566true assume { :end_inline_assert } true;main_#t~post36#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post36#1;havoc main_#t~post36#1; 16#L541-2true [2022-11-16 12:46:04,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:04,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1710390244, now seen corresponding path program 1 times [2022-11-16 12:46:04,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:04,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017890851] [2022-11-16 12:46:04,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:04,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:04,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:46:04,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:04,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017890851] [2022-11-16 12:46:04,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017890851] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:04,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:04,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:46:04,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932237337] [2022-11-16 12:46:04,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:04,625 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:46:04,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:04,629 INFO L85 PathProgramCache]: Analyzing trace with hash 842436530, now seen corresponding path program 1 times [2022-11-16 12:46:04,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:04,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491850598] [2022-11-16 12:46:04,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:04,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:04,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:46:04,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:04,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491850598] [2022-11-16 12:46:04,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491850598] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:04,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:04,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:46:04,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828245053] [2022-11-16 12:46:04,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:04,845 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:46:04,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:04,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:46:04,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:46:04,878 INFO L87 Difference]: Start difference. First operand has 124 states, 123 states have (on average 1.7642276422764227) internal successors, (217), 123 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:04,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:04,973 INFO L93 Difference]: Finished difference Result 128 states and 217 transitions. [2022-11-16 12:46:04,974 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 128 states and 217 transitions. [2022-11-16 12:46:04,979 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 65 [2022-11-16 12:46:04,984 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 128 states to 119 states and 201 transitions. [2022-11-16 12:46:04,985 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 119 [2022-11-16 12:46:04,986 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 119 [2022-11-16 12:46:04,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 201 transitions. [2022-11-16 12:46:04,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:46:04,988 INFO L218 hiAutomatonCegarLoop]: Abstraction has 119 states and 201 transitions. [2022-11-16 12:46:05,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states and 201 transitions. [2022-11-16 12:46:05,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-11-16 12:46:05,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 119 states have (on average 1.6890756302521008) internal successors, (201), 118 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:05,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 201 transitions. [2022-11-16 12:46:05,027 INFO L240 hiAutomatonCegarLoop]: Abstraction has 119 states and 201 transitions. [2022-11-16 12:46:05,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:46:05,032 INFO L428 stractBuchiCegarLoop]: Abstraction has 119 states and 201 transitions. [2022-11-16 12:46:05,034 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:46:05,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states and 201 transitions. [2022-11-16 12:46:05,038 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 65 [2022-11-16 12:46:05,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:46:05,042 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:46:05,043 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:05,045 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:05,045 INFO L748 eck$LassoCheckResult]: Stem: 388#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2);call #Ultimate.allocInit(12, 3);~r2~0 := 0;~r3~0 := 0;~ep23~0 := 0;~ep21~0 := 0;~p31_new~0 := 0;~p12~0 := 0;~p13~0 := 0;~p23_new~0 := 0;~p31_old~0 := 0;~p32_old~0 := 0;~p23_old~0 := 0;~p32_new~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~ep12~0 := 0;~p13_old~0 := 0;~p21~0 := 0;~p23~0 := 0;~nl1~0 := 0;~nl3~0 := 0;~nl2~0 := 0;~p12_new~0 := 0;~p12_old~0 := 0;~mode3~0 := 0;~p32~0 := 0;~p31~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~nomsg~0 := -1;~m1~0 := 0;~ep32~0 := 0;~m2~0 := 0;~ep31~0 := 0;~m3~0 := 0;~newmax2~0 := 0;~newmax3~0 := 0;~newmax1~0 := 0;~st2~0 := 0;~st1~0 := 0;~st3~0 := 0;~id2~0 := 0;~id1~0 := 0;~id3~0 := 0;~p21_new~0 := 0;~p21_old~0 := 0;~max3~0 := 0;~max2~0 := 0;~max1~0 := 0;~r1~0 := 0; 331#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~ret34#1, main_#t~ret35#1, main_#t~post36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep21~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep23~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep31~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep32~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~newmax1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~r2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~nl2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~m2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~max2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~mode2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~newmax2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~r3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~nl3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~m3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~max3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~mode3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~newmax3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0; 296#L255 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 281#L258-1 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 282#L268 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 300#L271-1 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 285#L281 assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 286#L284-1 init_~r212~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 337#L294 assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 318#L297-1 init_~r232~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 322#L307 assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 339#L310-1 init_~r312~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 365#L320 assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 274#L323-1 init_~r322~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 356#L333 assume !(~id1~0 != ~id2~0);init_~tmp___5~0#1 := 0; 309#L333-1 init_#res#1 := init_~tmp___5~0#1; 290#L430 main_#t~ret34#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 291#L527 assume !(0 == main_~i2~0#1); 376#L527-2 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 294#L541-2 [2022-11-16 12:46:05,046 INFO L750 eck$LassoCheckResult]: Loop: 294#L541-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true;havoc node1_~newmax~0#1;havoc node1_~newmax~0#1;node1_~newmax~0#1 := 0; 295#L79 assume !(0 != ~mode1~0 % 256); 345#L107 assume !(~r1~0 < 2); 343#L107-1 ~mode1~0 := 1; 293#L79-2 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; 330#L130 assume !(0 != ~mode2~0 % 256); 288#L158 assume !(~r2~0 < 2); 284#L158-1 ~mode2~0 := 1; 348#L130-2 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; 349#L181 assume !(0 != ~mode3~0 % 256); 377#L209 assume !(~r3~0 < 2); 315#L209-1 ~mode3~0 := 1; 299#L181-2 assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 336#L438 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 350#L439 assume ~st1~0 + ~nl1~0 <= 1; 351#L440 assume ~st2~0 + ~nl2~0 <= 1; 302#L441 assume ~st3~0 + ~nl3~0 <= 1; 303#L442 assume ~r1~0 >= 2; 310#L446 assume ~r1~0 < 2; 375#L451 assume ~r1~0 >= 2; 271#L456 assume ~r1~0 < 2;check_~tmp~1#1 := 1; 332#L438-1 check_#res#1 := check_~tmp~1#1; 333#L486 main_#t~ret35#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret35#1;havoc main_#t~ret35#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; 379#L571 assume !(0 == assert_~arg#1 % 256); 385#L566 assume { :end_inline_assert } true;main_#t~post36#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post36#1;havoc main_#t~post36#1; 294#L541-2 [2022-11-16 12:46:05,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:05,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1710390244, now seen corresponding path program 2 times [2022-11-16 12:46:05,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:05,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056408499] [2022-11-16 12:46:05,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:05,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:05,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:46:05,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:05,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056408499] [2022-11-16 12:46:05,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056408499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:05,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:05,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:46:05,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561652666] [2022-11-16 12:46:05,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:05,146 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:46:05,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:05,146 INFO L85 PathProgramCache]: Analyzing trace with hash -626971540, now seen corresponding path program 1 times [2022-11-16 12:46:05,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:05,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379084632] [2022-11-16 12:46:05,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:05,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:05,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:46:05,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:05,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379084632] [2022-11-16 12:46:05,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379084632] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:05,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:05,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:46:05,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234658840] [2022-11-16 12:46:05,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:05,199 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:46:05,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:05,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:46:05,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:46:05,201 INFO L87 Difference]: Start difference. First operand 119 states and 201 transitions. cyclomatic complexity: 83 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:05,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:05,303 INFO L93 Difference]: Finished difference Result 187 states and 308 transitions. [2022-11-16 12:46:05,303 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 187 states and 308 transitions. [2022-11-16 12:46:05,306 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 65 [2022-11-16 12:46:05,308 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 187 states to 184 states and 282 transitions. [2022-11-16 12:46:05,308 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 184 [2022-11-16 12:46:05,308 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 184 [2022-11-16 12:46:05,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 184 states and 282 transitions. [2022-11-16 12:46:05,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:46:05,310 INFO L218 hiAutomatonCegarLoop]: Abstraction has 184 states and 282 transitions. [2022-11-16 12:46:05,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states and 282 transitions. [2022-11-16 12:46:05,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 119. [2022-11-16 12:46:05,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 119 states have (on average 1.4873949579831933) internal successors, (177), 118 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:05,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 177 transitions. [2022-11-16 12:46:05,318 INFO L240 hiAutomatonCegarLoop]: Abstraction has 119 states and 177 transitions. [2022-11-16 12:46:05,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:46:05,319 INFO L428 stractBuchiCegarLoop]: Abstraction has 119 states and 177 transitions. [2022-11-16 12:46:05,319 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 12:46:05,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states and 177 transitions. [2022-11-16 12:46:05,320 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 65 [2022-11-16 12:46:05,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:46:05,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:46:05,322 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] [2022-11-16 12:46:05,322 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:05,323 INFO L748 eck$LassoCheckResult]: Stem: 707#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2);call #Ultimate.allocInit(12, 3);~r2~0 := 0;~r3~0 := 0;~ep23~0 := 0;~ep21~0 := 0;~p31_new~0 := 0;~p12~0 := 0;~p13~0 := 0;~p23_new~0 := 0;~p31_old~0 := 0;~p32_old~0 := 0;~p23_old~0 := 0;~p32_new~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~ep12~0 := 0;~p13_old~0 := 0;~p21~0 := 0;~p23~0 := 0;~nl1~0 := 0;~nl3~0 := 0;~nl2~0 := 0;~p12_new~0 := 0;~p12_old~0 := 0;~mode3~0 := 0;~p32~0 := 0;~p31~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~nomsg~0 := -1;~m1~0 := 0;~ep32~0 := 0;~m2~0 := 0;~ep31~0 := 0;~m3~0 := 0;~newmax2~0 := 0;~newmax3~0 := 0;~newmax1~0 := 0;~st2~0 := 0;~st1~0 := 0;~st3~0 := 0;~id2~0 := 0;~id1~0 := 0;~id3~0 := 0;~p21_new~0 := 0;~p21_old~0 := 0;~max3~0 := 0;~max2~0 := 0;~max1~0 := 0;~r1~0 := 0; 649#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~ret34#1, main_#t~ret35#1, main_#t~post36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep21~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep23~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep31~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep32~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~newmax1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~r2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~nl2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~m2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~max2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~mode2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~newmax2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~r3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~nl3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~m3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~max3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~mode3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~newmax3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0; 615#L255 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 600#L258-1 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 601#L268 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 621#L271-1 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 604#L281 assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 605#L284-1 init_~r212~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 655#L294 assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 636#L297-1 init_~r232~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 640#L307 assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 657#L310-1 init_~r312~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 683#L320 assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 593#L323-1 init_~r322~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 674#L333 assume ~id1~0 != ~id2~0; 643#L334 assume ~id1~0 != ~id3~0; 626#L335 assume ~id2~0 != ~id3~0; 627#L336 assume ~id1~0 >= 0; 682#L337 assume ~id2~0 >= 0; 658#L338 assume ~id3~0 >= 0; 659#L339 assume 0 == ~r1~0; 701#L340 assume 0 == ~r2~0; 690#L341 assume 0 == ~r3~0; 644#L342 assume ~max1~0 == ~id1~0; 645#L343 assume ~max2~0 == ~id2~0; 637#L344 assume ~max3~0 == ~id3~0; 638#L345 assume 0 == ~st1~0; 652#L346 assume 0 == ~st2~0; 653#L347 assume 0 == ~st3~0; 705#L348 assume 0 == ~nl1~0; 686#L349 assume 0 == ~nl2~0; 687#L350 assume 0 == ~nl3~0; 676#L351 assume 0 == ~mode1~0 % 256; 677#L352 assume 0 == ~mode2~0 % 256; 697#L353 assume 0 == ~mode3~0 % 256; 670#L354 assume 0 != ~newmax1~0 % 256; 646#L355 assume 0 != ~newmax2~0 % 256; 647#L356 assume 0 != ~newmax3~0 % 256;init_~tmp___5~0#1 := 1; 688#L333-1 init_#res#1 := init_~tmp___5~0#1; 611#L430 main_#t~ret34#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 612#L527 assume !(0 == main_~i2~0#1); 695#L527-2 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 613#L541-2 [2022-11-16 12:46:05,323 INFO L750 eck$LassoCheckResult]: Loop: 613#L541-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true;havoc node1_~newmax~0#1;havoc node1_~newmax~0#1;node1_~newmax~0#1 := 0; 614#L79 assume !(0 != ~mode1~0 % 256); 663#L107 assume !(~r1~0 < 2); 661#L107-1 ~mode1~0 := 1; 610#L79-2 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; 648#L130 assume !(0 != ~mode2~0 % 256); 607#L158 assume !(~r2~0 < 2); 603#L158-1 ~mode2~0 := 1; 666#L130-2 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; 667#L181 assume !(0 != ~mode3~0 % 256); 696#L209 assume !(~r3~0 < 2); 633#L209-1 ~mode3~0 := 1; 618#L181-2 assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 654#L438 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 668#L439 assume ~st1~0 + ~nl1~0 <= 1; 669#L440 assume ~st2~0 + ~nl2~0 <= 1; 619#L441 assume ~st3~0 + ~nl3~0 <= 1; 620#L442 assume ~r1~0 >= 2; 628#L446 assume ~r1~0 < 2; 694#L451 assume ~r1~0 >= 2; 590#L456 assume ~r1~0 < 2;check_~tmp~1#1 := 1; 650#L438-1 check_#res#1 := check_~tmp~1#1; 651#L486 main_#t~ret35#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret35#1;havoc main_#t~ret35#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; 698#L571 assume !(0 == assert_~arg#1 % 256); 704#L566 assume { :end_inline_assert } true;main_#t~post36#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post36#1;havoc main_#t~post36#1; 613#L541-2 [2022-11-16 12:46:05,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:05,324 INFO L85 PathProgramCache]: Analyzing trace with hash -2116426971, now seen corresponding path program 1 times [2022-11-16 12:46:05,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:05,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614468992] [2022-11-16 12:46:05,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:05,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:05,376 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:46:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:05,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:46:05,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:05,427 INFO L85 PathProgramCache]: Analyzing trace with hash -626971540, now seen corresponding path program 2 times [2022-11-16 12:46:05,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:05,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308951698] [2022-11-16 12:46:05,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:05,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:05,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:46:05,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:05,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308951698] [2022-11-16 12:46:05,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308951698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:05,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:05,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:46:05,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474471891] [2022-11-16 12:46:05,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:05,458 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:46:05,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:05,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:46:05,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:46:05,459 INFO L87 Difference]: Start difference. First operand 119 states and 177 transitions. cyclomatic complexity: 59 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:05,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:05,503 INFO L93 Difference]: Finished difference Result 169 states and 252 transitions. [2022-11-16 12:46:05,504 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 252 transitions. [2022-11-16 12:46:05,505 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 115 [2022-11-16 12:46:05,509 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 169 states and 252 transitions. [2022-11-16 12:46:05,509 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2022-11-16 12:46:05,511 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2022-11-16 12:46:05,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 252 transitions. [2022-11-16 12:46:05,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:46:05,517 INFO L218 hiAutomatonCegarLoop]: Abstraction has 169 states and 252 transitions. [2022-11-16 12:46:05,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 252 transitions. [2022-11-16 12:46:05,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2022-11-16 12:46:05,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 169 states have (on average 1.4911242603550297) internal successors, (252), 168 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:05,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 252 transitions. [2022-11-16 12:46:05,533 INFO L240 hiAutomatonCegarLoop]: Abstraction has 169 states and 252 transitions. [2022-11-16 12:46:05,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:46:05,534 INFO L428 stractBuchiCegarLoop]: Abstraction has 169 states and 252 transitions. [2022-11-16 12:46:05,534 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 12:46:05,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states and 252 transitions. [2022-11-16 12:46:05,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 115 [2022-11-16 12:46:05,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:46:05,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:46:05,537 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] [2022-11-16 12:46:05,537 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:05,537 INFO L748 eck$LassoCheckResult]: Stem: 1005#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2);call #Ultimate.allocInit(12, 3);~r2~0 := 0;~r3~0 := 0;~ep23~0 := 0;~ep21~0 := 0;~p31_new~0 := 0;~p12~0 := 0;~p13~0 := 0;~p23_new~0 := 0;~p31_old~0 := 0;~p32_old~0 := 0;~p23_old~0 := 0;~p32_new~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~ep12~0 := 0;~p13_old~0 := 0;~p21~0 := 0;~p23~0 := 0;~nl1~0 := 0;~nl3~0 := 0;~nl2~0 := 0;~p12_new~0 := 0;~p12_old~0 := 0;~mode3~0 := 0;~p32~0 := 0;~p31~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~nomsg~0 := -1;~m1~0 := 0;~ep32~0 := 0;~m2~0 := 0;~ep31~0 := 0;~m3~0 := 0;~newmax2~0 := 0;~newmax3~0 := 0;~newmax1~0 := 0;~st2~0 := 0;~st1~0 := 0;~st3~0 := 0;~id2~0 := 0;~id1~0 := 0;~id3~0 := 0;~p21_new~0 := 0;~p21_old~0 := 0;~max3~0 := 0;~max2~0 := 0;~max1~0 := 0;~r1~0 := 0; 944#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~ret34#1, main_#t~ret35#1, main_#t~post36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep21~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep23~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep31~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep32~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~newmax1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~r2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~nl2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~m2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~max2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~mode2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~newmax2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~id3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~r3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~nl3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~m3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~max3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~mode3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~newmax3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0; 909#L255 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 894#L258-1 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 895#L268 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 915#L271-1 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 898#L281 assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 899#L284-1 init_~r212~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 950#L294 assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 929#L297-1 init_~r232~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 933#L307 assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 952#L310-1 init_~r312~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 978#L320 assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 887#L323-1 init_~r322~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 969#L333 assume ~id1~0 != ~id2~0; 936#L334 assume ~id1~0 != ~id3~0; 920#L335 assume ~id2~0 != ~id3~0; 921#L336 assume ~id1~0 >= 0; 977#L337 assume ~id2~0 >= 0; 953#L338 assume ~id3~0 >= 0; 954#L339 assume 0 == ~r1~0; 997#L340 assume 0 == ~r2~0; 985#L341 assume 0 == ~r3~0; 937#L342 assume ~max1~0 == ~id1~0; 938#L343 assume ~max2~0 == ~id2~0; 930#L344 assume ~max3~0 == ~id3~0; 931#L345 assume 0 == ~st1~0; 947#L346 assume 0 == ~st2~0; 948#L347 assume 0 == ~st3~0; 1002#L348 assume 0 == ~nl1~0; 981#L349 assume 0 == ~nl2~0; 982#L350 assume 0 == ~nl3~0; 971#L351 assume 0 == ~mode1~0 % 256; 972#L352 assume 0 == ~mode2~0 % 256; 992#L353 assume 0 == ~mode3~0 % 256; 965#L354 assume 0 != ~newmax1~0 % 256; 939#L355 assume 0 != ~newmax2~0 % 256; 940#L356 assume 0 != ~newmax3~0 % 256;init_~tmp___5~0#1 := 1; 983#L333-1 init_#res#1 := init_~tmp___5~0#1; 905#L430 main_#t~ret34#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 906#L527 assume !(0 == main_~i2~0#1); 990#L527-2 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 1003#L541-2 [2022-11-16 12:46:05,537 INFO L750 eck$LassoCheckResult]: Loop: 1003#L541-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true;havoc node1_~newmax~0#1;havoc node1_~newmax~0#1;node1_~newmax~0#1 := 0; 1010#L79 assume !(0 != ~mode1~0 % 256); 1008#L107 assume ~r1~0 < 2; 917#L108 assume !(0 != ~ep12~0 % 256); 919#L108-1 assume !(0 != ~ep13~0 % 256); 956#L107-1 ~mode1~0 := 1; 1041#L79-2 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; 1038#L130 assume !(0 != ~mode2~0 % 256); 1034#L158 assume !(~r2~0 < 2); 1031#L158-1 ~mode2~0 := 1; 1029#L130-2 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; 1026#L181 assume !(0 != ~mode3~0 % 256); 1024#L209 assume !(~r3~0 < 2); 1021#L209-1 ~mode3~0 := 1; 1018#L181-2 assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 1016#L438 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 1014#L439 assume ~st1~0 + ~nl1~0 <= 1; 1012#L440 assume ~st2~0 + ~nl2~0 <= 1; 1011#L441 assume ~st3~0 + ~nl3~0 <= 1; 1009#L442 assume !(~r1~0 >= 2); 942#L445 assume 0 == ~st1~0 + ~st2~0 + ~st3~0; 943#L446 assume ~r1~0 < 2; 1007#L451 assume !(~r1~0 >= 2); 883#L455 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0; 884#L456 assume ~r1~0 < 2;check_~tmp~1#1 := 1; 1019#L438-1 check_#res#1 := check_~tmp~1#1; 1017#L486 main_#t~ret35#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret35#1;havoc main_#t~ret35#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; 1015#L571 assume !(0 == assert_~arg#1 % 256); 1013#L566 assume { :end_inline_assert } true;main_#t~post36#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post36#1;havoc main_#t~post36#1; 1003#L541-2 [2022-11-16 12:46:05,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:05,538 INFO L85 PathProgramCache]: Analyzing trace with hash -2116426971, now seen corresponding path program 2 times [2022-11-16 12:46:05,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:05,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221879039] [2022-11-16 12:46:05,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:05,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:05,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:46:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:05,587 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:46:05,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:05,588 INFO L85 PathProgramCache]: Analyzing trace with hash 863838782, now seen corresponding path program 1 times [2022-11-16 12:46:05,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:05,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094688620] [2022-11-16 12:46:05,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:05,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:05,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:46:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:05,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:46:05,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:05,607 INFO L85 PathProgramCache]: Analyzing trace with hash 12206490, now seen corresponding path program 1 times [2022-11-16 12:46:05,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:05,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712108381] [2022-11-16 12:46:05,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:05,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:05,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:46:05,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:05,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712108381] [2022-11-16 12:46:05,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712108381] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:05,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:05,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:46:05,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037465769] [2022-11-16 12:46:05,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:06,505 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:46:06,506 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:46:06,506 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:46:06,506 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:46:06,506 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 12:46:06,507 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:06,507 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:46:06,507 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:46:06,507 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2022-11-16 12:46:06,507 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:46:06,507 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:46:06,540 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:06,559 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:06,564 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:06,567 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:06,573 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:06,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:06,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:06,590 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:06,593 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:06,598 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:06,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:06,610 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:06,613 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:06,615 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:06,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:06,640 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:06,642 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:06,647 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:07,125 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:46:07,126 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 12:46:07,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:07,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:07,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:07,144 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:46:07,144 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:46:07,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 12:46:07,175 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:46:07,175 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~ep12~0=0} Honda state: {~ep12~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:46:07,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-16 12:46:07,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:07,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:07,231 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:07,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 12:46:07,272 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:46:07,272 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:46:07,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:07,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:07,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:07,307 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:07,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 12:46:07,320 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:46:07,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:46:07,460 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 12:46:07,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:07,468 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:46:07,468 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:46:07,468 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:46:07,468 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:46:07,468 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:46:07,468 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:07,469 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:46:07,469 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:46:07,469 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2022-11-16 12:46:07,469 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:46:07,469 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:46:07,472 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:07,479 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:07,483 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:07,489 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:07,494 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:07,497 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:07,520 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:07,525 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:07,528 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:07,549 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:07,552 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:07,566 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:07,571 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:07,576 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:07,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:07,613 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:07,617 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:07,622 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:46:08,060 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:46:08,064 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:46:08,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:08,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:08,067 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:08,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:46:08,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:46:08,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:08,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:08,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:08,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:08,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:08,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:08,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:08,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:08,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-16 12:46:08,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:08,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:08,187 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:08,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:46:08,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 12:46:08,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:08,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:08,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:08,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:08,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:08,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:08,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:08,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:08,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:08,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:08,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:08,249 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:08,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 12:46:08,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:46:08,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:08,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:08,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:08,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:08,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:08,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:08,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:08,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:08,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:08,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:08,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:08,305 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:08,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 12:46:08,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:46:08,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:08,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:08,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:08,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:08,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:08,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:08,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:08,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:08,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:08,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:08,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:08,353 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:08,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:46:08,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:08,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:08,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:08,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:08,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:08,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:08,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:08,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 12:46:08,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:08,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:08,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:08,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:08,405 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:08,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:46:08,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:08,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:08,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:08,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:08,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:08,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:08,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:08,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 12:46:08,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:08,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:08,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:08,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:08,444 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:08,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:46:08,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:08,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:08,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:08,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:08,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:08,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:08,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:08,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 12:46:08,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:08,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:08,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:08,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:08,481 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:08,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:46:08,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:08,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:08,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:08,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:08,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:08,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:08,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:08,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 12:46:08,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:08,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:08,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:08,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:08,529 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:08,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 12:46:08,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:46:08,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:08,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:08,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:08,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:08,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:08,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:08,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:08,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:08,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:08,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:08,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:08,572 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:08,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 12:46:08,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:46:08,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:08,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:08,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:08,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:08,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:08,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:08,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:08,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:08,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:08,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:08,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:08,593 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:08,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 12:46:08,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:46:08,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:08,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:08,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:08,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:08,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:08,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:08,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:08,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:46:08,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:08,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:08,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:08,647 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:08,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 12:46:08,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:46:08,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:46:08,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:46:08,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:46:08,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:46:08,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:46:08,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:46:08,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:46:08,663 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:46:08,668 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 12:46:08,668 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-16 12:46:08,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:46:08,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:08,674 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:08,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 12:46:08,696 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:46:08,696 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 12:46:08,696 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:46:08,697 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 11 Supporting invariants [] [2022-11-16 12:46:08,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:08,701 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 12:46:08,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:08,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:46:08,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:08,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:46:08,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:09,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-11-16 12:46:09,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:46:09,074 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:46:09,075 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 169 states and 252 transitions. cyclomatic complexity: 84 Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:09,154 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 169 states and 252 transitions. cyclomatic complexity: 84. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 283 states and 432 transitions. Complement of second has 4 states. [2022-11-16 12:46:09,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 12:46:09,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:09,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 177 transitions. [2022-11-16 12:46:09,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 177 transitions. Stem has 42 letters. Loop has 29 letters. [2022-11-16 12:46:09,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:46:09,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 177 transitions. Stem has 71 letters. Loop has 29 letters. [2022-11-16 12:46:09,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:46:09,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 177 transitions. Stem has 42 letters. Loop has 58 letters. [2022-11-16 12:46:09,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:46:09,169 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 283 states and 432 transitions. [2022-11-16 12:46:09,175 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:46:09,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 283 states to 0 states and 0 transitions. [2022-11-16 12:46:09,176 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 12:46:09,176 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 12:46:09,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 12:46:09,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:46:09,176 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:46:09,176 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:46:09,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:09,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:46:09,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:46:09,177 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:09,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:09,178 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-11-16 12:46:09,178 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-11-16 12:46:09,178 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:46:09,178 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:46:09,178 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 12:46:09,178 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 12:46:09,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 12:46:09,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:46:09,179 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:46:09,179 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:46:09,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:46:09,182 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:46:09,182 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-16 12:46:09,182 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:46:09,182 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:46:09,182 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 12:46:09,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:46:09 BoogieIcfgContainer [2022-11-16 12:46:09,192 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:46:09,193 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:46:09,193 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:46:09,193 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:46:09,194 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:46:04" (3/4) ... [2022-11-16 12:46:09,197 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:46:09,197 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:46:09,198 INFO L158 Benchmark]: Toolchain (without parser) took 6627.45ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 81.8MB in the beginning and 129.7MB in the end (delta: -47.9MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2022-11-16 12:46:09,203 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:46:09,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.42ms. Allocated memory is still 119.5MB. Free memory was 81.6MB in the beginning and 87.9MB in the end (delta: -6.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:46:09,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.02ms. Allocated memory is still 119.5MB. Free memory was 87.9MB in the beginning and 85.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:46:09,204 INFO L158 Benchmark]: Boogie Preprocessor took 65.76ms. Allocated memory is still 119.5MB. Free memory was 85.3MB in the beginning and 82.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:46:09,205 INFO L158 Benchmark]: RCFGBuilder took 815.31ms. Allocated memory is still 119.5MB. Free memory was 82.8MB in the beginning and 53.9MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-16 12:46:09,205 INFO L158 Benchmark]: BuchiAutomizer took 5188.51ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 53.4MB in the beginning and 130.7MB in the end (delta: -77.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:46:09,205 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 174.1MB. Free memory was 130.7MB in the beginning and 129.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:46:09,207 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.42ms. Allocated memory is still 119.5MB. Free memory was 81.6MB in the beginning and 87.9MB in the end (delta: -6.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.02ms. Allocated memory is still 119.5MB. Free memory was 87.9MB in the beginning and 85.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.76ms. Allocated memory is still 119.5MB. Free memory was 85.3MB in the beginning and 82.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 815.31ms. Allocated memory is still 119.5MB. Free memory was 82.8MB in the beginning and 53.9MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 5188.51ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 53.4MB in the beginning and 130.7MB in the end (delta: -77.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 174.1MB. Free memory was 130.7MB in the beginning and 129.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 11 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.1s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 4.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 65 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 454 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 453 mSDsluCounter, 2204 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1445 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 759 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital142 mio100 ax100 hnf100 lsp26 ukn100 mio100 lsp100 div123 bol100 ite100 ukn100 eq182 hnf86 smp100 dnf100 smp100 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 90ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 12:46:09,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d367e0f-8ae7-4bcc-b77f-bca32c32ecd5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE