./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y --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 1936862b5856707e80b1aa2b38aa8e033b3615fe51a16f40b8e11843db1147ca --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:06:25,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:06:25,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:06:25,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:06:25,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:06:25,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:06:25,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:06:25,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:06:25,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:06:25,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:06:25,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:06:25,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:06:25,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:06:25,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:06:25,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:06:25,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:06:25,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:06:25,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:06:25,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:06:25,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:06:25,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:06:25,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:06:25,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:06:25,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:06:25,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:06:25,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:06:25,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:06:25,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:06:25,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:06:25,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:06:25,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:06:25,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:06:25,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:06:25,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:06:25,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:06:25,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:06:25,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:06:25,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:06:25,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:06:25,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:06:25,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:06:25,371 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-13 18:06:25,405 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:06:25,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:06:25,406 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:06:25,406 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:06:25,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:06:25,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:06:25,408 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:06:25,409 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 18:06:25,409 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 18:06:25,409 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 18:06:25,409 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 18:06:25,410 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 18:06:25,411 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 18:06:25,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:06:25,411 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:06:25,412 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:06:25,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:06:25,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:06:25,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:06:25,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 18:06:25,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 18:06:25,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 18:06:25,413 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:06:25,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:06:25,414 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 18:06:25,414 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:06:25,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 18:06:25,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:06:25,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:06:25,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:06:25,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:06:25,417 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:06:25,418 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 18:06:25,419 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_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1936862b5856707e80b1aa2b38aa8e033b3615fe51a16f40b8e11843db1147ca [2021-11-13 18:06:25,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:06:25,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:06:25,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:06:25,826 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:06:25,827 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:06:25,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c [2021-11-13 18:06:25,899 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/data/53ec3b7e7/673673a0b9ab4411b6067224acf310b7/FLAG035023501 [2021-11-13 18:06:26,589 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:06:26,589 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c [2021-11-13 18:06:26,612 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/data/53ec3b7e7/673673a0b9ab4411b6067224acf310b7/FLAG035023501 [2021-11-13 18:06:26,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/data/53ec3b7e7/673673a0b9ab4411b6067224acf310b7 [2021-11-13 18:06:26,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:06:26,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:06:26,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:06:26,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:06:26,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:06:26,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:06:26" (1/1) ... [2021-11-13 18:06:26,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ea8ad2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:26, skipping insertion in model container [2021-11-13 18:06:26,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:06:26" (1/1) ... [2021-11-13 18:06:26,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:06:26,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:06:27,357 WARN L228 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_11b7f09b-8d82-462d-a0d4-e62ab949ecec/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c[30998,31011] [2021-11-13 18:06:27,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:06:27,369 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:06:27,470 WARN L228 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_11b7f09b-8d82-462d-a0d4-e62ab949ecec/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c[30998,31011] [2021-11-13 18:06:27,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:06:27,490 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:06:27,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:27 WrapperNode [2021-11-13 18:06:27,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:06:27,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:06:27,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:06:27,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:06:27,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:27" (1/1) ... [2021-11-13 18:06:27,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:27" (1/1) ... [2021-11-13 18:06:27,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:06:27,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:06:27,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:06:27,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:06:27,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:27" (1/1) ... [2021-11-13 18:06:27,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:27" (1/1) ... [2021-11-13 18:06:27,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:27" (1/1) ... [2021-11-13 18:06:27,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:27" (1/1) ... [2021-11-13 18:06:27,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:27" (1/1) ... [2021-11-13 18:06:27,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:27" (1/1) ... [2021-11-13 18:06:27,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:27" (1/1) ... [2021-11-13 18:06:27,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:06:27,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:06:27,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:06:27,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:06:27,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:27" (1/1) ... [2021-11-13 18:06:27,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:27,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:27,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:27,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 18:06:27,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:06:27,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:06:27,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:06:27,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:06:29,229 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:06:29,232 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 18:06:29,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:06:29 BoogieIcfgContainer [2021-11-13 18:06:29,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:06:29,239 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 18:06:29,240 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 18:06:29,244 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 18:06:29,246 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:06:29,247 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:06:26" (1/3) ... [2021-11-13 18:06:29,249 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3245df6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:06:29, skipping insertion in model container [2021-11-13 18:06:29,249 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:06:29,250 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:06:27" (2/3) ... [2021-11-13 18:06:29,250 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3245df6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:06:29, skipping insertion in model container [2021-11-13 18:06:29,250 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:06:29,251 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:06:29" (3/3) ... [2021-11-13 18:06:29,252 INFO L388 chiAutomizerObserver]: Analyzing ICFG pals_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c [2021-11-13 18:06:29,320 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 18:06:29,320 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 18:06:29,320 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 18:06:29,320 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 18:06:29,321 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 18:06:29,321 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 18:06:29,321 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 18:06:29,321 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 18:06:29,369 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 323 states, 322 states have (on average 1.8043478260869565) internal successors, (581), 322 states have internal predecessors, (581), 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) [2021-11-13 18:06:29,423 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 123 [2021-11-13 18:06:29,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:06:29,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:06:29,438 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:06:29,438 INFO L843 BuchiCegarLoop]: 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] [2021-11-13 18:06:29,439 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-13 18:06:29,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 323 states, 322 states have (on average 1.8043478260869565) internal successors, (581), 322 states have internal predecessors, (581), 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) [2021-11-13 18:06:29,458 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 123 [2021-11-13 18:06:29,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:06:29,458 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:06:29,463 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:06:29,463 INFO L843 BuchiCegarLoop]: 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] [2021-11-13 18:06:29,474 INFO L791 eck$LassoCheckResult]: Stem: 305#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(43);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 0; 218#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~ret63#1, main_#t~ret64#1, main_#t~post65#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~nondet19#1;havoc main_#t~nondet19#1;~ep13~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~ep14~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~ep21~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~ep23~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~ep24~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~ep31~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~ep32~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~ep34~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~ep41~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~ep42~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~ep43~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id1~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~r1~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~st1~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~nl1~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~m1~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~max1~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~mode1~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~newmax1~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~id2~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~r2~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~st2~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~nl2~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~m2~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~max2~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~mode2~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~newmax2~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~id3~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~r3~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~st3~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~nl3~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~m3~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~max3~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~mode3~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~newmax3~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~id4~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;~r4~0 := main_#t~nondet56#1;havoc main_#t~nondet56#1;~st4~0 := main_#t~nondet57#1;havoc main_#t~nondet57#1;~nl4~0 := main_#t~nondet58#1;havoc main_#t~nondet58#1;~m4~0 := main_#t~nondet59#1;havoc main_#t~nondet59#1;~max4~0 := main_#t~nondet60#1;havoc main_#t~nondet60#1;~mode4~0 := main_#t~nondet61#1;havoc main_#t~nondet61#1;~newmax4~0 := main_#t~nondet62#1;havoc main_#t~nondet62#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 34#L441true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 253#L452true init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 104#L462true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 153#L473true init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 285#L483true assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 256#L494true init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 257#L504true assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 60#L515true init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 3#L525true assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 248#L536true init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 54#L546true assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 321#L557true init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 69#L567true assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 225#L578true init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 115#L588true assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 242#L599true init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 101#L609true assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 77#L620true init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 107#L630true assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 220#L641true init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 303#L651true assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 227#L662true init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 141#L672true assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 260#L683true init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 309#L693true assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 239#L704true init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 180#L714true assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 14#L725true init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 315#L735true assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 114#L746true init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 97#L756true assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 290#L767true init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 36#L777true assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 163#L788true init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 224#L798true assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 311#L809true init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 228#L819true assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 286#L830true init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 135#L840true assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 262#L851true init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 205#L861true assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 264#L872true init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 217#L882true assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 102#L893true init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 282#L903true assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 99#L914true init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 268#L924true assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 90#L935true init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 130#L945true assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 230#L945-1true init_#res#1 := init_~tmp___23~0#1; 13#L1130true main_#t~ret63#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret63#1;havoc main_#t~ret63#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 125#L21true assume !(0 == assume_abort_if_not_~cond#1); 195#L20true assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 161#L1271-2true [2021-11-13 18:06:29,476 INFO L793 eck$LassoCheckResult]: Loop: 161#L1271-2true assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_#t~ite7#1, node1_#t~ite8#1, node1_#t~ite9#1, node1_~newmax~0#1;havoc node1_~newmax~0#1;node1_~newmax~0#1 := 0; 74#L114true assume !(0 != ~mode1~0 % 256); 277#L150true assume !(~r1~0 < 3); 181#L150-1true ~mode1~0 := 1; 61#L114-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite10#1, node2_#t~ite11#1, node2_#t~ite12#1, node2_~newmax~1#1;havoc node2_~newmax~1#1;node2_~newmax~1#1 := 0; 41#L178true assume !(0 != ~mode2~0 % 256); 314#L214true assume !(~r2~0 < 3); 105#L214-1true ~mode2~0 := 1; 183#L178-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite13#1, node3_#t~ite14#1, node3_#t~ite15#1, node3_~newmax~2#1;havoc node3_~newmax~2#1;node3_~newmax~2#1 := 0; 322#L242true assume !(0 != ~mode3~0 % 256); 169#L278true assume !(~r3~0 < 3); 129#L278-1true ~mode3~0 := 1; 236#L242-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite16#1, node4_#t~ite17#1, node4_#t~ite18#1, node4_~newmax~3#1;havoc node4_~newmax~3#1;node4_~newmax~3#1 := 0; 156#L306true assume !(0 != ~mode4~0 % 256); 53#L342true assume !(~r4~0 < 3); 18#L342-1true ~mode4~0 := 1; 64#L306-2true assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 171#L1138true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1#1 := 0; 199#L1138-1true check_#res#1 := check_~tmp~1#1; 139#L1190true main_#t~ret64#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret64#1;havoc main_#t~ret64#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; 201#L1314true assume !(0 == assert_~arg#1 % 256); 289#L1309true assume { :end_inline_assert } true;main_#t~post65#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post65#1;havoc main_#t~post65#1; 161#L1271-2true [2021-11-13 18:06:29,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:29,492 INFO L85 PathProgramCache]: Analyzing trace with hash 2064134942, now seen corresponding path program 1 times [2021-11-13 18:06:29,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:29,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143821379] [2021-11-13 18:06:29,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:29,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:30,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:30,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:30,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143821379] [2021-11-13 18:06:30,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143821379] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:30,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:30,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:06:30,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897307396] [2021-11-13 18:06:30,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:30,022 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 18:06:30,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:30,027 INFO L85 PathProgramCache]: Analyzing trace with hash -340497803, now seen corresponding path program 1 times [2021-11-13 18:06:30,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:30,027 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681758065] [2021-11-13 18:06:30,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:30,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:30,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:30,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:30,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681758065] [2021-11-13 18:06:30,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681758065] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:30,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:30,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:06:30,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185230237] [2021-11-13 18:06:30,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:30,214 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-13 18:06:30,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:30,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:06:30,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:06:30,258 INFO L87 Difference]: Start difference. First operand has 323 states, 322 states have (on average 1.8043478260869565) internal successors, (581), 322 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:30,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:06:30,413 INFO L93 Difference]: Finished difference Result 327 states and 581 transitions. [2021-11-13 18:06:30,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:06:30,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 327 states and 581 transitions. [2021-11-13 18:06:30,446 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 122 [2021-11-13 18:06:30,457 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 327 states to 318 states and 564 transitions. [2021-11-13 18:06:30,458 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 318 [2021-11-13 18:06:30,460 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 318 [2021-11-13 18:06:30,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 318 states and 564 transitions. [2021-11-13 18:06:30,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:06:30,465 INFO L681 BuchiCegarLoop]: Abstraction has 318 states and 564 transitions. [2021-11-13 18:06:30,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states and 564 transitions. [2021-11-13 18:06:30,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2021-11-13 18:06:30,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 318 states have (on average 1.7735849056603774) internal successors, (564), 317 states have internal predecessors, (564), 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) [2021-11-13 18:06:30,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 564 transitions. [2021-11-13 18:06:30,520 INFO L704 BuchiCegarLoop]: Abstraction has 318 states and 564 transitions. [2021-11-13 18:06:30,520 INFO L587 BuchiCegarLoop]: Abstraction has 318 states and 564 transitions. [2021-11-13 18:06:30,520 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-13 18:06:30,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 318 states and 564 transitions. [2021-11-13 18:06:30,524 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 122 [2021-11-13 18:06:30,524 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:06:30,524 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:06:30,528 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:06:30,528 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:06:30,529 INFO L791 eck$LassoCheckResult]: Stem: 984#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(43);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 0; 965#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~ret63#1, main_#t~ret64#1, main_#t~post65#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~nondet19#1;havoc main_#t~nondet19#1;~ep13~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~ep14~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~ep21~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~ep23~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~ep24~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~ep31~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~ep32~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~ep34~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~ep41~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~ep42~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~ep43~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id1~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~r1~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~st1~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~nl1~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~m1~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~max1~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~mode1~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~newmax1~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~id2~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~r2~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~st2~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~nl2~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~m2~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~max2~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~mode2~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~newmax2~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~id3~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~r3~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~st3~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~nl3~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~m3~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~max3~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~mode3~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~newmax3~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~id4~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;~r4~0 := main_#t~nondet56#1;havoc main_#t~nondet56#1;~st4~0 := main_#t~nondet57#1;havoc main_#t~nondet57#1;~nl4~0 := main_#t~nondet58#1;havoc main_#t~nondet58#1;~m4~0 := main_#t~nondet59#1;havoc main_#t~nondet59#1;~max4~0 := main_#t~nondet60#1;havoc main_#t~nondet60#1;~mode4~0 := main_#t~nondet61#1;havoc main_#t~nondet61#1;~newmax4~0 := main_#t~nondet62#1;havoc main_#t~nondet62#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 743#L441 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 744#L452 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 858#L462 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 825#L473 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 911#L483 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 950#L494 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 978#L504 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 765#L515 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 671#L525 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 672#L536 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 780#L546 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 781#L557 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 805#L567 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 806#L578 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 870#L588 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 724#L599 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 856#L609 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 788#L620 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 823#L630 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 763#L641 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 967#L651 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 726#L662 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 900#L672 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 901#L683 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 979#L693 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 714#L704 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 939#L714 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 700#L725 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 701#L735 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 675#L746 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 849#L756 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 691#L767 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 746#L777 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 747#L788 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 921#L798 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 889#L809 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 970#L819 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 934#L830 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 893#L840 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 848#L851 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 958#L861 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 794#L872 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 964#L882 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 771#L893 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 857#L903 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 852#L914 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 853#L924 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 838#L935 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 839#L945 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 682#L945-1 init_#res#1 := init_~tmp___23~0#1; 693#L1130 main_#t~ret63#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret63#1;havoc main_#t~ret63#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 694#L21 assume !(0 == assume_abort_if_not_~cond#1); 882#L20 assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 920#L1271-2 [2021-11-13 18:06:30,529 INFO L793 eck$LassoCheckResult]: Loop: 920#L1271-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_#t~ite7#1, node1_#t~ite8#1, node1_#t~ite9#1, node1_~newmax~0#1;havoc node1_~newmax~0#1;node1_~newmax~0#1 := 0; 814#L114 assume !(0 != ~mode1~0 % 256); 815#L150 assume !(~r1~0 < 3); 810#L150-1 ~mode1~0 := 1; 792#L114-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite10#1, node2_#t~ite11#1, node2_#t~ite12#1, node2_~newmax~1#1;havoc node2_~newmax~1#1;node2_~newmax~1#1 := 0; 754#L178 assume !(0 != ~mode2~0 % 256); 755#L214 assume !(~r2~0 < 3); 711#L214-1 ~mode2~0 := 1; 860#L178-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite13#1, node3_#t~ite14#1, node3_#t~ite15#1, node3_~newmax~2#1;havoc node3_~newmax~2#1;node3_~newmax~2#1 := 0; 941#L242 assume !(0 != ~mode3~0 % 256); 927#L278 assume !(~r3~0 < 3); 829#L278-1 ~mode3~0 := 1; 881#L242-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite16#1, node4_#t~ite17#1, node4_#t~ite18#1, node4_~newmax~3#1;havoc node4_~newmax~3#1;node4_~newmax~3#1 := 0; 914#L306 assume !(0 != ~mode4~0 % 256); 776#L342 assume !(~r4~0 < 3); 704#L342-1 ~mode4~0 := 1; 705#L306-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 797#L1138 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 929#L1139 assume ~st1~0 + ~nl1~0 <= 1; 966#L1140 assume ~st2~0 + ~nl2~0 <= 1; 931#L1141 assume ~st3~0 + ~nl3~0 <= 1; 932#L1142 assume ~st4~0 + ~nl4~0 <= 1; 861#L1143 assume ~r1~0 >= 3; 732#L1147 assume ~r1~0 < 3; 733#L1152 assume ~r1~0 >= 3; 906#L1157 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 908#L1138-1 check_#res#1 := check_~tmp~1#1; 897#L1190 main_#t~ret64#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret64#1;havoc main_#t~ret64#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; 898#L1314 assume !(0 == assert_~arg#1 % 256); 953#L1309 assume { :end_inline_assert } true;main_#t~post65#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post65#1;havoc main_#t~post65#1; 920#L1271-2 [2021-11-13 18:06:30,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:30,530 INFO L85 PathProgramCache]: Analyzing trace with hash 2064134942, now seen corresponding path program 2 times [2021-11-13 18:06:30,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:30,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805277363] [2021-11-13 18:06:30,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:30,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:30,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:30,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:30,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805277363] [2021-11-13 18:06:30,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805277363] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:30,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:30,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:06:30,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946851941] [2021-11-13 18:06:30,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:30,675 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 18:06:30,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:30,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1528981060, now seen corresponding path program 1 times [2021-11-13 18:06:30,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:30,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365618701] [2021-11-13 18:06:30,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:30,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:30,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:30,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:30,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365618701] [2021-11-13 18:06:30,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365618701] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:30,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:30,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:06:30,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491470759] [2021-11-13 18:06:30,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:30,750 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-13 18:06:30,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:30,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:06:30,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:06:30,752 INFO L87 Difference]: Start difference. First operand 318 states and 564 transitions. cyclomatic complexity: 247 Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:30,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:06:30,822 INFO L93 Difference]: Finished difference Result 415 states and 719 transitions. [2021-11-13 18:06:30,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:06:30,824 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 415 states and 719 transitions. [2021-11-13 18:06:30,829 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 219 [2021-11-13 18:06:30,835 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 415 states to 415 states and 719 transitions. [2021-11-13 18:06:30,836 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 415 [2021-11-13 18:06:30,838 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 415 [2021-11-13 18:06:30,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 415 states and 719 transitions. [2021-11-13 18:06:30,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:06:30,846 INFO L681 BuchiCegarLoop]: Abstraction has 415 states and 719 transitions. [2021-11-13 18:06:30,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states and 719 transitions. [2021-11-13 18:06:30,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2021-11-13 18:06:30,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 415 states have (on average 1.7325301204819277) internal successors, (719), 414 states have internal predecessors, (719), 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) [2021-11-13 18:06:30,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 719 transitions. [2021-11-13 18:06:30,884 INFO L704 BuchiCegarLoop]: Abstraction has 415 states and 719 transitions. [2021-11-13 18:06:30,884 INFO L587 BuchiCegarLoop]: Abstraction has 415 states and 719 transitions. [2021-11-13 18:06:30,884 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-13 18:06:30,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 415 states and 719 transitions. [2021-11-13 18:06:30,888 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 219 [2021-11-13 18:06:30,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:06:30,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:06:30,894 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:06:30,894 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:06:30,895 INFO L791 eck$LassoCheckResult]: Stem: 1747#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(43);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 0; 1717#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~ret63#1, main_#t~ret64#1, main_#t~post65#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~nondet19#1;havoc main_#t~nondet19#1;~ep13~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~ep14~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~ep21~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~ep23~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~ep24~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~ep31~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~ep32~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~ep34~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~ep41~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~ep42~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~ep43~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id1~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~r1~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~st1~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~nl1~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~m1~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~max1~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~mode1~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~newmax1~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~id2~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~r2~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~st2~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~nl2~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~m2~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~max2~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~mode2~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~newmax2~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~id3~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~r3~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~st3~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~nl3~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~m3~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~max3~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~mode3~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~newmax3~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~id4~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;~r4~0 := main_#t~nondet56#1;havoc main_#t~nondet56#1;~st4~0 := main_#t~nondet57#1;havoc main_#t~nondet57#1;~nl4~0 := main_#t~nondet58#1;havoc main_#t~nondet58#1;~m4~0 := main_#t~nondet59#1;havoc main_#t~nondet59#1;~max4~0 := main_#t~nondet60#1;havoc main_#t~nondet60#1;~mode4~0 := main_#t~nondet61#1;havoc main_#t~nondet61#1;~newmax4~0 := main_#t~nondet62#1;havoc main_#t~nondet62#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 1484#L441 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 1485#L452 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 1601#L462 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 1568#L473 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 1656#L483 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 1700#L494 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 1731#L504 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 1508#L515 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 1416#L525 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 1417#L536 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 1522#L546 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 1523#L557 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 1547#L567 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 1548#L578 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 1613#L588 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 1464#L599 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 1597#L609 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 1527#L620 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 1566#L630 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 1499#L641 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 1718#L651 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 1466#L662 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 1646#L672 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 1647#L683 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 1732#L693 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 1456#L704 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 1688#L714 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 1437#L725 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 1438#L735 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 1411#L746 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 1592#L756 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 1430#L767 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 1487#L777 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 1488#L788 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 1669#L798 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 1634#L809 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 1722#L819 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 1683#L830 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 1638#L840 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 1591#L851 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 1711#L861 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 1536#L872 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 1716#L882 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 1512#L893 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 1598#L903 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 1595#L914 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 1596#L924 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 1581#L935 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 1582#L945 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 1423#L945-1 init_#res#1 := init_~tmp___23~0#1; 1435#L1130 main_#t~ret63#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret63#1;havoc main_#t~ret63#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 1436#L21 assume !(0 == assume_abort_if_not_~cond#1); 1624#L20 assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 1701#L1271-2 [2021-11-13 18:06:30,896 INFO L793 eck$LassoCheckResult]: Loop: 1701#L1271-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_#t~ite7#1, node1_#t~ite8#1, node1_#t~ite9#1, node1_~newmax~0#1;havoc node1_~newmax~0#1;node1_~newmax~0#1 := 0; 1557#L114 assume !(0 != ~mode1~0 % 256); 1558#L150 assume ~r1~0 < 3; 1606#L151 assume !(0 != ~ep12~0 % 256); 1506#L151-1 assume !(0 != ~ep13~0 % 256); 1433#L156 assume !(0 != ~ep14~0 % 256); 1552#L150-1 ~mode1~0 := 1; 1792#L114-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite10#1, node2_#t~ite11#1, node2_#t~ite12#1, node2_~newmax~1#1;havoc node2_~newmax~1#1;node2_~newmax~1#1 := 0; 1790#L178 assume !(0 != ~mode2~0 % 256); 1788#L214 assume !(~r2~0 < 3); 1783#L214-1 ~mode2~0 := 1; 1781#L178-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite13#1, node3_#t~ite14#1, node3_#t~ite15#1, node3_~newmax~2#1;havoc node3_~newmax~2#1;node3_~newmax~2#1 := 0; 1780#L242 assume !(0 != ~mode3~0 % 256); 1675#L278 assume !(~r3~0 < 3); 1572#L278-1 ~mode3~0 := 1; 1769#L242-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite16#1, node4_#t~ite17#1, node4_#t~ite18#1, node4_~newmax~3#1;havoc node4_~newmax~3#1;node4_~newmax~3#1 := 0; 1767#L306 assume !(0 != ~mode4~0 % 256); 1764#L342 assume !(~r4~0 < 3); 1759#L342-1 ~mode4~0 := 1; 1757#L306-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 1756#L1138 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1754#L1139 assume ~st1~0 + ~nl1~0 <= 1; 1753#L1140 assume ~st2~0 + ~nl2~0 <= 1; 1752#L1141 assume ~st3~0 + ~nl3~0 <= 1; 1736#L1142 assume ~st4~0 + ~nl4~0 <= 1; 1737#L1143 assume !(~r1~0 >= 3); 1665#L1146 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1666#L1147 assume ~r1~0 < 3; 1751#L1152 assume !(~r1~0 >= 3); 1742#L1156 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1743#L1157 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 1755#L1138-1 check_#res#1 := check_~tmp~1#1; 1824#L1190 main_#t~ret64#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret64#1;havoc main_#t~ret64#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; 1823#L1314 assume !(0 == assert_~arg#1 % 256); 1822#L1309 assume { :end_inline_assert } true;main_#t~post65#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post65#1;havoc main_#t~post65#1; 1701#L1271-2 [2021-11-13 18:06:30,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:30,897 INFO L85 PathProgramCache]: Analyzing trace with hash 2064134942, now seen corresponding path program 3 times [2021-11-13 18:06:30,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:30,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404941185] [2021-11-13 18:06:30,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:30,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:31,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:31,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:31,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404941185] [2021-11-13 18:06:31,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404941185] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:31,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:31,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:06:31,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114618576] [2021-11-13 18:06:31,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:31,085 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 18:06:31,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:31,086 INFO L85 PathProgramCache]: Analyzing trace with hash -110224707, now seen corresponding path program 1 times [2021-11-13 18:06:31,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:31,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483433214] [2021-11-13 18:06:31,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:31,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:06:31,127 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:06:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:06:31,193 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:06:32,654 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:06:32,655 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:06:32,655 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:06:32,656 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:06:32,656 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-13 18:06:32,656 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:32,656 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:06:32,656 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:06:32,656 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2021-11-13 18:06:32,657 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:06:32,657 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:06:32,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:32,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:33,571 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:06:33,572 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-13 18:06:33,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:33,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:33,576 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:33,585 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:06:33,585 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:06:33,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-13 18:06:33,617 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:06:33,618 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_node1_#t~ite7#1=0} Honda state: {ULTIMATE.start_node1_#t~ite7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 18:06:33,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-11-13 18:06:33,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:33,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:33,656 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:33,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-13 18:06:33,658 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:06:33,660 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:06:33,682 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:06:33,682 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_node3_#t~ite14#1=0} Honda state: {ULTIMATE.start_node3_#t~ite14#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 18:06:33,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:33,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:33,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:33,704 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:33,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-13 18:06:33,707 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:06:33,707 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:06:33,731 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:06:33,732 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_node1_#t~ite8#1=0} Honda state: {ULTIMATE.start_node1_#t~ite8#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 18:06:33,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:33,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:33,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:33,775 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:33,782 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:06:33,782 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:06:33,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-13 18:06:33,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:33,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:33,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:33,841 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:33,848 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-13 18:06:33,848 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:06:33,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-13 18:06:34,009 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-13 18:06:34,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:34,012 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:06:34,012 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:06:34,012 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:06:34,012 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:06:34,013 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 18:06:34,013 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:34,013 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:06:34,013 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:06:34,013 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2021-11-13 18:06:34,013 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:06:34,013 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:06:34,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:06:34,867 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:06:34,872 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 18:06:34,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:34,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:34,875 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:34,880 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 [2021-11-13 18:06:34,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:34,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:34,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:34,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:34,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:34,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:34,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:34,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-13 18:06:34,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:34,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-11-13 18:06:34,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:34,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:34,957 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:34,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-13 18:06:34,980 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 [2021-11-13 18:06:34,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:34,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:34,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:34,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:34,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:34,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:34,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:35,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:35,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:35,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:35,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:35,057 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:35,063 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 [2021-11-13 18:06:35,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:35,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:35,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:35,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:35,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:35,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:35,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:35,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-13 18:06:35,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:35,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:35,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:35,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:35,131 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:35,140 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 [2021-11-13 18:06:35,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:35,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:35,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:35,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:35,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:35,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:35,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:35,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-13 18:06:35,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:35,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:35,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:35,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:35,220 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:35,227 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 [2021-11-13 18:06:35,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:35,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:35,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:35,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:35,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:35,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-13 18:06:35,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:35,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:35,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:35,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:35,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:35,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:35,301 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:35,312 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 [2021-11-13 18:06:35,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:35,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:35,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:35,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:35,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:35,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:35,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:35,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-13 18:06:35,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:35,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:35,378 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:35,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:35,380 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:35,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:06:35,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:35,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:35,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:35,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:35,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:35,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:35,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:35,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-13 18:06:35,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:35,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:35,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:35,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:35,460 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:35,467 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 [2021-11-13 18:06:35,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:35,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:35,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:35,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:35,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:35,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:35,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:35,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-13 18:06:35,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:35,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:35,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:35,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:35,533 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:35,540 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 [2021-11-13 18:06:35,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:35,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:35,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:35,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:35,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:35,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:35,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:35,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-13 18:06:35,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:35,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:35,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:35,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:35,613 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:35,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-13 18:06:35,619 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 [2021-11-13 18:06:35,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:35,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:35,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:35,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:35,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:35,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:35,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:35,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:35,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:35,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:35,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:35,691 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:35,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-13 18:06:35,695 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 [2021-11-13 18:06:35,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:35,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:35,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:35,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:35,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:35,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:35,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:35,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:35,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:35,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:35,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:35,744 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:35,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-13 18:06:35,751 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 [2021-11-13 18:06:35,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:35,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:35,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:35,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:35,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:35,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:35,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:35,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:35,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-11-13 18:06:35,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:35,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:35,799 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:35,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-13 18:06:35,801 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 [2021-11-13 18:06:35,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:35,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:35,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:35,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:35,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:35,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:35,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:35,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:35,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:35,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:35,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:35,891 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:35,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-13 18:06:35,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:06:35,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:35,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:35,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:35,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:35,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:35,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:35,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:35,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:35,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:35,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:35,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:35,956 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:35,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-13 18:06:35,958 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 [2021-11-13 18:06:35,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:35,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:35,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:35,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:35,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:35,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:35,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:35,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:35,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:35,992 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:35,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:35,994 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:35,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-13 18:06:35,998 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 [2021-11-13 18:06:36,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:36,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:36,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:36,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:36,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:36,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:36,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:36,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:36,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:36,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:36,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:36,071 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:36,083 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 [2021-11-13 18:06:36,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:36,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:36,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:36,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:36,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:36,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:36,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:36,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-13 18:06:36,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:36,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-11-13 18:06:36,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:36,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:36,130 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:36,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-13 18:06:36,131 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 [2021-11-13 18:06:36,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:36,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:36,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:36,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:36,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:36,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:36,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:36,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:36,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-13 18:06:36,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:36,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:36,163 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:36,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-13 18:06:36,165 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 [2021-11-13 18:06:36,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:36,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:36,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:36,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:36,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:36,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:36,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:36,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:36,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:36,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:36,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:36,197 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:36,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-13 18:06:36,198 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 [2021-11-13 18:06:36,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:36,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:36,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:36,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:36,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:36,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:36,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:36,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:06:36,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-11-13 18:06:36,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:36,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:36,250 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:36,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-13 18:06:36,253 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 [2021-11-13 18:06:36,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:06:36,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:06:36,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:06:36,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:06:36,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:06:36,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:06:36,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:06:36,263 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 18:06:36,291 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-13 18:06:36,291 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-13 18:06:36,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:06:36,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:06:36,303 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:06:36,305 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 18:06:36,305 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-13 18:06:36,306 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 18:06:36,306 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 15 Supporting invariants [] [2021-11-13 18:06:36,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-13 18:06:36,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:36,348 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-13 18:06:36,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:36,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 18:06:36,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:06:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:36,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:06:36,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:06:36,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:36,961 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-13 18:06:36,962 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 415 states and 719 transitions. cyclomatic complexity: 305 Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:37,138 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 415 states and 719 transitions. cyclomatic complexity: 305. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 633 states and 1076 transitions. Complement of second has 4 states. [2021-11-13 18:06:37,139 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 [2021-11-13 18:06:37,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:37,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-13 18:06:37,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 564 transitions. [2021-11-13 18:06:37,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 564 transitions. Stem has 55 letters. Loop has 35 letters. [2021-11-13 18:06:37,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:06:37,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 564 transitions. Stem has 90 letters. Loop has 35 letters. [2021-11-13 18:06:37,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:06:37,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 564 transitions. Stem has 55 letters. Loop has 70 letters. [2021-11-13 18:06:37,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:06:37,149 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 633 states and 1076 transitions. [2021-11-13 18:06:37,157 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-13 18:06:37,158 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 633 states to 0 states and 0 transitions. [2021-11-13 18:06:37,158 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-13 18:06:37,158 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-13 18:06:37,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-13 18:06:37,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:06:37,159 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:06:37,159 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:06:37,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:37,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:06:37,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:06:37,160 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:37,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:06:37,160 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-11-13 18:06:37,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:06:37,162 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-11-13 18:06:37,162 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-13 18:06:37,162 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 18:06:37,162 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-13 18:06:37,162 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-13 18:06:37,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-13 18:06:37,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:06:37,163 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:06:37,163 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:06:37,163 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:06:37,163 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-13 18:06:37,163 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-13 18:06:37,164 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-13 18:06:37,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-13 18:06:37,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:06:37 BoogieIcfgContainer [2021-11-13 18:06:37,177 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-13 18:06:37,177 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:06:37,177 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:06:37,178 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:06:37,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:06:29" (3/4) ... [2021-11-13 18:06:37,182 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 18:06:37,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:06:37,186 INFO L158 Benchmark]: Toolchain (without parser) took 10349.05ms. Allocated memory was 113.2MB in the beginning and 190.8MB in the end (delta: 77.6MB). Free memory was 73.6MB in the beginning and 144.9MB in the end (delta: -71.3MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-13 18:06:37,187 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:06:37,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 649.95ms. Allocated memory is still 113.2MB. Free memory was 73.5MB in the beginning and 73.8MB in the end (delta: -366.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 18:06:37,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.87ms. Allocated memory is still 113.2MB. Free memory was 73.8MB in the beginning and 69.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 18:06:37,189 INFO L158 Benchmark]: Boogie Preprocessor took 127.03ms. Allocated memory is still 113.2MB. Free memory was 69.2MB in the beginning and 65.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 18:06:37,190 INFO L158 Benchmark]: RCFGBuilder took 1509.43ms. Allocated memory is still 113.2MB. Free memory was 65.0MB in the beginning and 65.9MB in the end (delta: -925.2kB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2021-11-13 18:06:37,190 INFO L158 Benchmark]: BuchiAutomizer took 7937.73ms. Allocated memory was 113.2MB in the beginning and 190.8MB in the end (delta: 77.6MB). Free memory was 65.9MB in the beginning and 145.9MB in the end (delta: -80.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:06:37,191 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 190.8MB. Free memory was 145.9MB in the beginning and 144.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:06:37,198 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 649.95ms. Allocated memory is still 113.2MB. Free memory was 73.5MB in the beginning and 73.8MB in the end (delta: -366.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.87ms. Allocated memory is still 113.2MB. Free memory was 73.8MB in the beginning and 69.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.03ms. Allocated memory is still 113.2MB. Free memory was 69.2MB in the beginning and 65.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1509.43ms. Allocated memory is still 113.2MB. Free memory was 65.0MB in the beginning and 65.9MB in the end (delta: -925.2kB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 7937.73ms. Allocated memory was 113.2MB in the beginning and 190.8MB in the end (delta: 77.6MB). Free memory was 65.9MB in the beginning and 145.9MB in the end (delta: -80.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 190.8MB. Free memory was 145.9MB in the beginning and 144.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 15 + -2 * i2 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 6.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 415 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 705 SdHoareTripleChecker+Valid, 122.26ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 704 mSDsluCounter, 4157 SdHoareTripleChecker+Invalid, 85.63ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2457 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 1700 mSDtfsCounter, 35 mSolverCounterSat, 28.25ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital202 mio100 ax100 hnf100 lsp36 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-13 18:06:37,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11b7f09b-8d82-462d-a0d4-e62ab949ecec/bin/uautomizer-YU5uOKAj3y/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