./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.1.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.1.ufo.BOUNDED-6.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b0406e617bfcdc7e6543e19b38e9be8eeb37f2896cb91bcfe6035d747328da7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:19:21,979 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:19:22,043 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 02:19:22,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:19:22,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:19:22,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:19:22,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:19:22,075 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:19:22,076 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:19:22,076 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:19:22,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:19:22,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:19:22,078 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:19:22,078 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 02:19:22,079 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 02:19:22,079 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 02:19:22,080 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 02:19:22,080 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 02:19:22,081 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 02:19:22,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:19:22,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 02:19:22,083 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:19:22,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:19:22,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:19:22,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:19:22,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 02:19:22,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 02:19:22,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 02:19:22,085 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:19:22,086 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:19:22,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:19:22,087 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 02:19:22,087 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:19:22,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:19:22,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:19:22,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:19:22,088 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:19:22,089 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 02:19:22,089 INFO L153 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_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b0406e617bfcdc7e6543e19b38e9be8eeb37f2896cb91bcfe6035d747328da7 [2023-11-29 02:19:22,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:19:22,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:19:22,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:19:22,320 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:19:22,320 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:19:22,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.1.ufo.BOUNDED-6.pals.c [2023-11-29 02:19:25,019 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:19:25,268 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:19:25,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.1.ufo.BOUNDED-6.pals.c [2023-11-29 02:19:25,281 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/data/0e20ab565/bc018cef9fbb45afb461211517b4d151/FLAG2ce37d0ba [2023-11-29 02:19:25,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/data/0e20ab565/bc018cef9fbb45afb461211517b4d151 [2023-11-29 02:19:25,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:19:25,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:19:25,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:19:25,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:19:25,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:19:25,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:19:25" (1/1) ... [2023-11-29 02:19:25,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15a7a1c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:19:25, skipping insertion in model container [2023-11-29 02:19:25,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:19:25" (1/1) ... [2023-11-29 02:19:25,348 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:19:25,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:19:25,565 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:19:25,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:19:25,631 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:19:25,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:19:25 WrapperNode [2023-11-29 02:19:25,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:19:25,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:19:25,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:19:25,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:19:25,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:19:25" (1/1) ... [2023-11-29 02:19:25,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:19:25" (1/1) ... [2023-11-29 02:19:25,678 INFO L138 Inliner]: procedures = 21, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 412 [2023-11-29 02:19:25,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:19:25,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:19:25,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:19:25,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:19:25,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:19:25" (1/1) ... [2023-11-29 02:19:25,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:19:25" (1/1) ... [2023-11-29 02:19:25,694 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:19:25" (1/1) ... [2023-11-29 02:19:25,711 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 02:19:25,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:19:25" (1/1) ... [2023-11-29 02:19:25,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:19:25" (1/1) ... [2023-11-29 02:19:25,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:19:25" (1/1) ... [2023-11-29 02:19:25,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:19:25" (1/1) ... [2023-11-29 02:19:25,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:19:25" (1/1) ... [2023-11-29 02:19:25,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:19:25" (1/1) ... [2023-11-29 02:19:25,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:19:25,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:19:25,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:19:25,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:19:25,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:19:25" (1/1) ... [2023-11-29 02:19:25,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:25,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:25,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:25,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 02:19:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:19:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:19:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:19:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:19:25,899 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:19:25,900 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:19:26,292 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:19:26,305 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:19:26,305 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:19:26,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:19:26 BoogieIcfgContainer [2023-11-29 02:19:26,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:19:26,308 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 02:19:26,308 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 02:19:26,312 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 02:19:26,313 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 02:19:26,313 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 02:19:25" (1/3) ... [2023-11-29 02:19:26,314 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@257f33d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 02:19:26, skipping insertion in model container [2023-11-29 02:19:26,314 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 02:19:26,314 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:19:25" (2/3) ... [2023-11-29 02:19:26,314 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@257f33d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 02:19:26, skipping insertion in model container [2023-11-29 02:19:26,315 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 02:19:26,315 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:19:26" (3/3) ... [2023-11-29 02:19:26,316 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_floodmax.3.1.ufo.BOUNDED-6.pals.c [2023-11-29 02:19:26,369 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 02:19:26,369 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 02:19:26,369 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 02:19:26,369 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 02:19:26,369 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 02:19:26,370 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 02:19:26,370 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 02:19:26,370 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 02:19:26,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.7589285714285714) internal successors, (197), 112 states have internal predecessors, (197), 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) [2023-11-29 02:19:26,398 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2023-11-29 02:19:26,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 02:19:26,398 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 02:19:26,405 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:19:26,405 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:19:26,405 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 02:19:26,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.7589285714285714) internal successors, (197), 112 states have internal predecessors, (197), 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) [2023-11-29 02:19:26,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2023-11-29 02:19:26,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 02:19:26,426 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 02:19:26,428 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:19:26,428 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:19:26,437 INFO L748 eck$LassoCheckResult]: Stem: 32#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~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;~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;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0; 37#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~ep21~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~ep23~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~ep31~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~ep32~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;~mode2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;~mode3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0; 82#L228true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 40#L231-1true init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 29#L241true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 26#L244-1true init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 49#L254true assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 53#L257-1true init_~r212~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 23#L267true assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 15#L270-1true init_~r232~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 91#L280true assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 71#L283-1true init_~r312~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 103#L293true assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 69#L296-1true init_~r322~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 111#L306true assume !(~id1~0 != ~id2~0);init_~tmp___5~0#1 := 0; 100#L306-1true init_#res#1 := init_~tmp___5~0#1; 88#init_returnLabel#1true main_#t~ret31#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 92#L485true assume !(0 == main_~i2~0#1); 6#L485-2true ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 45#L499-2true [2023-11-29 02:19:26,438 INFO L750 eck$LassoCheckResult]: Loop: 45#L499-2true assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true; 59#L75true assume !(0 != ~mode1~0 % 256); 55#L100true assume !(~r1~0 < 2); 73#L100-1true ~mode1~0 := 1; 101#L75-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 90#L118true assume !(0 != ~mode2~0 % 256); 94#L143true assume !(~r2~0 < 2); 83#L143-1true ~mode2~0 := 1; 56#L118-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 14#L161true assume !(0 != ~mode3~0 % 256); 63#L186true assume !(~r3~0 < 2); 24#L186-1true ~mode3~0 := 1; 5#L161-2true assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 67#L399true assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1#1 := 0; 108#L399-1true check_#res#1 := check_~tmp~1#1; 17#check_returnLabel#1true main_#t~ret32#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 87#L529true assume !(0 == assert_~arg#1 % 256); 25#L524true havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1; 45#L499-2true [2023-11-29 02:19:26,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:26,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1693212754, now seen corresponding path program 1 times [2023-11-29 02:19:26,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:19:26,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911412886] [2023-11-29 02:19:26,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:26,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:19:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:26,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:19:26,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:19:26,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911412886] [2023-11-29 02:19:26,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911412886] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:19:26,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:19:26,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:19:26,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46621951] [2023-11-29 02:19:26,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:19:26,763 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 02:19:26,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:26,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1015368977, now seen corresponding path program 1 times [2023-11-29 02:19:26,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:19:26,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060414088] [2023-11-29 02:19:26,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:26,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:19:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:26,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:19:26,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:19:26,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060414088] [2023-11-29 02:19:26,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060414088] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:19:26,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:19:26,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:19:26,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277634068] [2023-11-29 02:19:26,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:19:26,956 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 02:19:26,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:19:26,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:19:26,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:19:26,984 INFO L87 Difference]: Start difference. First operand has 113 states, 112 states have (on average 1.7589285714285714) internal successors, (197), 112 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:27,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:19:27,059 INFO L93 Difference]: Finished difference Result 116 states and 196 transitions. [2023-11-29 02:19:27,060 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 116 states and 196 transitions. [2023-11-29 02:19:27,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2023-11-29 02:19:27,070 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 116 states to 107 states and 180 transitions. [2023-11-29 02:19:27,071 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 107 [2023-11-29 02:19:27,072 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 107 [2023-11-29 02:19:27,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 107 states and 180 transitions. [2023-11-29 02:19:27,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:19:27,074 INFO L218 hiAutomatonCegarLoop]: Abstraction has 107 states and 180 transitions. [2023-11-29 02:19:27,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states and 180 transitions. [2023-11-29 02:19:27,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2023-11-29 02:19:27,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 107 states have (on average 1.6822429906542056) internal successors, (180), 106 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:27,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 180 transitions. [2023-11-29 02:19:27,103 INFO L240 hiAutomatonCegarLoop]: Abstraction has 107 states and 180 transitions. [2023-11-29 02:19:27,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:19:27,108 INFO L428 stractBuchiCegarLoop]: Abstraction has 107 states and 180 transitions. [2023-11-29 02:19:27,108 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 02:19:27,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 180 transitions. [2023-11-29 02:19:27,110 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2023-11-29 02:19:27,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 02:19:27,110 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 02:19:27,112 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:19:27,112 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:19:27,112 INFO L748 eck$LassoCheckResult]: Stem: 301#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~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;~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;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0; 302#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~ep21~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~ep23~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~ep31~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~ep32~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;~mode2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;~mode3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0; 308#L228 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 311#L231-1 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 296#L241 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 259#L244-1 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 294#L254 assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 304#L257-1 init_~r212~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 291#L267 assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 265#L270-1 init_~r232~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 276#L280 assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 330#L283-1 init_~r312~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 337#L293 assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 306#L296-1 init_~r322~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 335#L306 assume !(~id1~0 != ~id2~0);init_~tmp___5~0#1 := 0; 249#L306-1 init_#res#1 := init_~tmp___5~0#1; 345#init_returnLabel#1 main_#t~ret31#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 346#L485 assume !(0 == main_~i2~0#1); 254#L485-2 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 255#L499-2 [2023-11-29 02:19:27,113 INFO L750 eck$LassoCheckResult]: Loop: 255#L499-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true; 317#L75 assume !(0 != ~mode1~0 % 256); 324#L100 assume !(~r1~0 < 2); 325#L100-1 ~mode1~0 := 1; 288#L75-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 347#L118 assume !(0 != ~mode2~0 % 256); 348#L143 assume !(~r2~0 < 2); 336#L143-1 ~mode2~0 := 1; 327#L118-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 273#L161 assume !(0 != ~mode3~0 % 256); 275#L186 assume !(~r3~0 < 2); 292#L186-1 ~mode3~0 := 1; 252#L161-2 assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 253#L399 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 334#L400 assume ~st1~0 + ~nl1~0 <= 1; 261#L401 assume ~st2~0 + ~nl2~0 <= 1; 262#L402 assume ~st3~0 + ~nl3~0 <= 1; 320#L403 assume ~r1~0 >= 2; 268#$Ultimate##230 assume ~r1~0 < 2; 269#$Ultimate##234 assume ~r1~0 >= 2; 279#$Ultimate##238 assume ~r1~0 < 2;check_~tmp~1#1 := 1; 300#L399-1 check_#res#1 := check_~tmp~1#1; 280#check_returnLabel#1 main_#t~ret32#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 281#L529 assume !(0 == assert_~arg#1 % 256); 293#L524 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1; 255#L499-2 [2023-11-29 02:19:27,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:27,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1693212754, now seen corresponding path program 2 times [2023-11-29 02:19:27,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:19:27,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296021558] [2023-11-29 02:19:27,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:27,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:19:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:27,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:19:27,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:19:27,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296021558] [2023-11-29 02:19:27,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296021558] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:19:27,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:19:27,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:19:27,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663354528] [2023-11-29 02:19:27,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:19:27,193 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 02:19:27,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:27,193 INFO L85 PathProgramCache]: Analyzing trace with hash 2056696886, now seen corresponding path program 1 times [2023-11-29 02:19:27,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:19:27,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714919164] [2023-11-29 02:19:27,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:27,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:19:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:27,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:19:27,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:19:27,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714919164] [2023-11-29 02:19:27,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714919164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:19:27,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:19:27,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:19:27,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389653225] [2023-11-29 02:19:27,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:19:27,225 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 02:19:27,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:19:27,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:19:27,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:19:27,226 INFO L87 Difference]: Start difference. First operand 107 states and 180 transitions. cyclomatic complexity: 74 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:27,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:19:27,334 INFO L93 Difference]: Finished difference Result 166 states and 272 transitions. [2023-11-29 02:19:27,334 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 272 transitions. [2023-11-29 02:19:27,338 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2023-11-29 02:19:27,341 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 163 states and 249 transitions. [2023-11-29 02:19:27,341 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 163 [2023-11-29 02:19:27,342 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2023-11-29 02:19:27,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 163 states and 249 transitions. [2023-11-29 02:19:27,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:19:27,344 INFO L218 hiAutomatonCegarLoop]: Abstraction has 163 states and 249 transitions. [2023-11-29 02:19:27,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states and 249 transitions. [2023-11-29 02:19:27,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 107. [2023-11-29 02:19:27,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 107 states have (on average 1.485981308411215) internal successors, (159), 106 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:27,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 159 transitions. [2023-11-29 02:19:27,354 INFO L240 hiAutomatonCegarLoop]: Abstraction has 107 states and 159 transitions. [2023-11-29 02:19:27,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:19:27,355 INFO L428 stractBuchiCegarLoop]: Abstraction has 107 states and 159 transitions. [2023-11-29 02:19:27,355 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 02:19:27,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 159 transitions. [2023-11-29 02:19:27,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2023-11-29 02:19:27,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 02:19:27,357 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 02:19:27,359 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:19:27,360 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:19:27,360 INFO L748 eck$LassoCheckResult]: Stem: 587#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~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;~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;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0; 588#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~ep21~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~ep23~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~ep31~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~ep32~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;~mode2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;~mode3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0; 594#L228 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 597#L231-1 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 582#L241 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 546#L244-1 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 579#L254 assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 590#L257-1 init_~r212~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 576#L267 assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 550#L270-1 init_~r232~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 561#L280 assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 616#L283-1 init_~r312~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 623#L293 assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 592#L296-1 init_~r322~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 621#L306 assume ~id1~0 != ~id2~0; 625#L307 assume ~id1~0 != ~id3~0; 556#L308 assume ~id2~0 != ~id3~0; 557#L309 assume ~id1~0 >= 0; 624#L310 assume ~id2~0 >= 0; 601#L311 assume ~id3~0 >= 0; 602#L312 assume 0 == ~r1~0; 574#L313 assume 0 == ~r2~0; 575#L314 assume 0 == ~r3~0; 595#L315 assume ~max1~0 == ~id1~0; 596#L316 assume ~max2~0 == ~id2~0; 535#L317 assume ~max3~0 == ~id3~0; 536#L318 assume 0 == ~st1~0; 639#L319 assume 0 == ~st2~0; 628#L320 assume 0 == ~st3~0; 618#L321 assume 0 == ~nl1~0; 619#L322 assume 0 == ~nl2~0; 533#L323 assume 0 == ~nl3~0; 534#L324 assume 0 == (if ~mode1~0 % 256 % 4294967296 <= 2147483647 then ~mode1~0 % 256 % 4294967296 else ~mode1~0 % 256 % 4294967296 - 4294967296); 562#L325 assume 0 == (if ~mode2~0 % 256 % 4294967296 <= 2147483647 then ~mode2~0 % 256 % 4294967296 else ~mode2~0 % 256 % 4294967296 - 4294967296); 580#L326 assume 0 == (if ~mode3~0 % 256 % 4294967296 <= 2147483647 then ~mode3~0 % 256 % 4294967296 else ~mode3~0 % 256 % 4294967296 - 4294967296);init_~tmp___5~0#1 := 1; 581#L306-1 init_#res#1 := init_~tmp___5~0#1; 631#init_returnLabel#1 main_#t~ret31#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 632#L485 assume !(0 == main_~i2~0#1); 539#L485-2 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 540#L499-2 [2023-11-29 02:19:27,360 INFO L750 eck$LassoCheckResult]: Loop: 540#L499-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true; 603#L75 assume !(0 != ~mode1~0 % 256); 610#L100 assume !(~r1~0 < 2); 611#L100-1 ~mode1~0 := 1; 573#L75-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 633#L118 assume !(0 != ~mode2~0 % 256); 634#L143 assume !(~r2~0 < 2); 622#L143-1 ~mode2~0 := 1; 613#L118-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 558#L161 assume !(0 != ~mode3~0 % 256); 560#L186 assume !(~r3~0 < 2); 577#L186-1 ~mode3~0 := 1; 537#L161-2 assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 538#L399 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 620#L400 assume ~st1~0 + ~nl1~0 <= 1; 543#L401 assume ~st2~0 + ~nl2~0 <= 1; 544#L402 assume ~st3~0 + ~nl3~0 <= 1; 606#L403 assume ~r1~0 >= 2; 551#$Ultimate##230 assume ~r1~0 < 2; 552#$Ultimate##234 assume ~r1~0 >= 2; 564#$Ultimate##238 assume ~r1~0 < 2;check_~tmp~1#1 := 1; 586#L399-1 check_#res#1 := check_~tmp~1#1; 565#check_returnLabel#1 main_#t~ret32#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 566#L529 assume !(0 == assert_~arg#1 % 256); 578#L524 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1; 540#L499-2 [2023-11-29 02:19:27,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:27,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1849055478, now seen corresponding path program 1 times [2023-11-29 02:19:27,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:19:27,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573371440] [2023-11-29 02:19:27,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:27,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:19:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:19:27,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:19:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:19:27,446 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:19:27,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:27,447 INFO L85 PathProgramCache]: Analyzing trace with hash 2056696886, now seen corresponding path program 2 times [2023-11-29 02:19:27,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:19:27,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353326737] [2023-11-29 02:19:27,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:27,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:19:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:27,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:19:27,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:19:27,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353326737] [2023-11-29 02:19:27,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353326737] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:19:27,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:19:27,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:19:27,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154529164] [2023-11-29 02:19:27,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:19:27,475 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 02:19:27,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:19:27,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:19:27,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:19:27,476 INFO L87 Difference]: Start difference. First operand 107 states and 159 transitions. cyclomatic complexity: 53 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:27,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:19:27,517 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2023-11-29 02:19:27,517 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 151 states and 224 transitions. [2023-11-29 02:19:27,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 100 [2023-11-29 02:19:27,521 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 151 states to 151 states and 224 transitions. [2023-11-29 02:19:27,521 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 151 [2023-11-29 02:19:27,522 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 151 [2023-11-29 02:19:27,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 151 states and 224 transitions. [2023-11-29 02:19:27,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:19:27,523 INFO L218 hiAutomatonCegarLoop]: Abstraction has 151 states and 224 transitions. [2023-11-29 02:19:27,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states and 224 transitions. [2023-11-29 02:19:27,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2023-11-29 02:19:27,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 151 states have (on average 1.4834437086092715) internal successors, (224), 150 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:27,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 224 transitions. [2023-11-29 02:19:27,533 INFO L240 hiAutomatonCegarLoop]: Abstraction has 151 states and 224 transitions. [2023-11-29 02:19:27,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:19:27,534 INFO L428 stractBuchiCegarLoop]: Abstraction has 151 states and 224 transitions. [2023-11-29 02:19:27,535 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 02:19:27,535 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 151 states and 224 transitions. [2023-11-29 02:19:27,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 100 [2023-11-29 02:19:27,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 02:19:27,537 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 02:19:27,538 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:19:27,539 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:19:27,539 INFO L748 eck$LassoCheckResult]: Stem: 851#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~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;~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;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0; 852#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~ep21~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~ep23~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~ep31~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~ep32~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;~mode2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;~mode3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0; 859#L228 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 862#L231-1 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 846#L241 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 810#L244-1 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 843#L254 assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 854#L257-1 init_~r212~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 839#L267 assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 814#L270-1 init_~r232~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 824#L280 assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 882#L283-1 init_~r312~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 889#L293 assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 856#L296-1 init_~r322~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 887#L306 assume ~id1~0 != ~id2~0; 891#L307 assume ~id1~0 != ~id3~0; 819#L308 assume ~id2~0 != ~id3~0; 820#L309 assume ~id1~0 >= 0; 890#L310 assume ~id2~0 >= 0; 867#L311 assume ~id3~0 >= 0; 868#L312 assume 0 == ~r1~0; 837#L313 assume 0 == ~r2~0; 838#L314 assume 0 == ~r3~0; 860#L315 assume ~max1~0 == ~id1~0; 861#L316 assume ~max2~0 == ~id2~0; 799#L317 assume ~max3~0 == ~id3~0; 800#L318 assume 0 == ~st1~0; 908#L319 assume 0 == ~st2~0; 894#L320 assume 0 == ~st3~0; 884#L321 assume 0 == ~nl1~0; 885#L322 assume 0 == ~nl2~0; 797#L323 assume 0 == ~nl3~0; 798#L324 assume 0 == (if ~mode1~0 % 256 % 4294967296 <= 2147483647 then ~mode1~0 % 256 % 4294967296 else ~mode1~0 % 256 % 4294967296 - 4294967296); 825#L325 assume 0 == (if ~mode2~0 % 256 % 4294967296 <= 2147483647 then ~mode2~0 % 256 % 4294967296 else ~mode2~0 % 256 % 4294967296 - 4294967296); 844#L326 assume 0 == (if ~mode3~0 % 256 % 4294967296 <= 2147483647 then ~mode3~0 % 256 % 4294967296 else ~mode3~0 % 256 % 4294967296 - 4294967296);init_~tmp___5~0#1 := 1; 845#L306-1 init_#res#1 := init_~tmp___5~0#1; 898#init_returnLabel#1 main_#t~ret31#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 899#L485 assume !(0 == main_~i2~0#1); 803#L485-2 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 804#L499-2 [2023-11-29 02:19:27,539 INFO L750 eck$LassoCheckResult]: Loop: 804#L499-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true; 912#L75 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256); 880#L77 assume !(0 != ~ep21~0 % 256); 818#L77-1 assume !(0 != ~ep31~0 % 256); 876#L84 assume !(2 == ~r1~0); 906#L91 ~mode1~0 := 0; 940#L75-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 936#L118 assume !(0 != ~mode2~0 % 256); 932#L143 assume !(~r2~0 < 2); 930#L143-1 ~mode2~0 := 1; 928#L118-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 926#L161 assume !(0 != ~mode3~0 % 256); 924#L186 assume !(~r3~0 < 2); 921#L186-1 ~mode3~0 := 1; 918#L161-2 assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 916#L399 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 914#L400 assume ~st1~0 + ~nl1~0 <= 1; 913#L401 assume ~st2~0 + ~nl2~0 <= 1; 911#L402 assume ~st3~0 + ~nl3~0 <= 1; 909#L403 assume !(~r1~0 >= 2); 857#L406 assume 0 == ~st1~0 + ~st2~0 + ~st3~0; 858#$Ultimate##230 assume ~r1~0 < 2; 947#$Ultimate##234 assume !(~r1~0 >= 2); 826#L416 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0; 827#$Ultimate##238 assume ~r1~0 < 2;check_~tmp~1#1 := 1; 922#L399-1 check_#res#1 := check_~tmp~1#1; 919#check_returnLabel#1 main_#t~ret32#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 917#L529 assume !(0 == assert_~arg#1 % 256); 915#L524 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1; 804#L499-2 [2023-11-29 02:19:27,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:27,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1849055478, now seen corresponding path program 2 times [2023-11-29 02:19:27,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:19:27,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320236792] [2023-11-29 02:19:27,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:27,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:19:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:19:27,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:19:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:19:27,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:19:27,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:27,594 INFO L85 PathProgramCache]: Analyzing trace with hash -602590287, now seen corresponding path program 1 times [2023-11-29 02:19:27,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:19:27,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064422501] [2023-11-29 02:19:27,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:27,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:19:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:19:27,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:19:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:19:27,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:19:27,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:27,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1641945820, now seen corresponding path program 1 times [2023-11-29 02:19:27,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:19:27,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594641225] [2023-11-29 02:19:27,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:27,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:19:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:27,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:19:27,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:19:27,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594641225] [2023-11-29 02:19:27,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594641225] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:19:27,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:19:27,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:19:27,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813919386] [2023-11-29 02:19:27,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:19:28,507 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 02:19:28,508 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 02:19:28,508 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 02:19:28,508 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 02:19:28,508 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 02:19:28,508 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:28,508 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 02:19:28,508 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 02:19:28,508 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.3.1.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2023-11-29 02:19:28,508 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 02:19:28,509 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 02:19:28,531 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:28,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:28,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:28,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:28,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:28,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:28,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:28,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:28,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:28,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:28,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:28,601 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:28,603 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:28,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:28,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:28,619 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:28,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:28,646 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:29,161 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 02:19:29,161 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 02:19:29,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:29,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:29,164 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:29,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 02:19:29,166 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 02:19:29,166 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 02:19:29,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:19:29,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:29,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:29,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:29,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 02:19:29,188 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 02:19:29,188 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 02:19:29,284 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 02:19:29,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 02:19:29,288 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 02:19:29,288 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 02:19:29,288 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 02:19:29,288 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 02:19:29,288 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 02:19:29,288 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:29,288 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 02:19:29,288 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 02:19:29,288 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.3.1.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2023-11-29 02:19:29,288 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 02:19:29,288 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 02:19:29,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:29,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:29,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:29,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:29,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:29,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:29,312 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:29,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:29,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:29,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:29,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:29,363 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:29,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:29,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:29,379 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:29,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:29,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:29,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:19:29,872 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 02:19:29,877 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 02:19:29,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:29,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:29,879 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:29,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 02:19:29,885 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 [2023-11-29 02:19:29,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:19:29,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:19:29,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:19:29,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:19:29,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:19:29,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:19:29,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:19:29,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:19:29,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 02:19:29,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:29,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:29,904 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:29,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 02:19:29,907 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 [2023-11-29 02:19:29,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:19:29,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:19:29,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:19:29,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:19:29,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:19:29,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:19:29,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:19:29,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:19:29,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 02:19:29,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:29,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:29,925 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:29,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 02:19:29,928 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 [2023-11-29 02:19:29,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:19:29,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:19:29,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:19:29,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:19:29,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:19:29,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:19:29,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:19:29,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:19:29,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 02:19:29,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:29,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:29,956 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:29,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 02:19:29,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 02:19:29,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:19:29,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:19:29,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:19:29,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:19:29,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:19:29,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:19:29,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:19:29,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:19:29,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 02:19:29,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:29,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:29,985 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:29,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 02:19:29,987 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 [2023-11-29 02:19:29,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:19:29,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:19:29,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:19:29,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:19:29,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:19:29,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:19:29,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:19:30,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:19:30,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 02:19:30,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:30,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:30,006 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:30,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 02:19:30,010 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 [2023-11-29 02:19:30,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:19:30,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:19:30,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:19:30,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:19:30,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:19:30,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:19:30,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:19:30,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:19:30,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 02:19:30,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:30,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:30,036 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:30,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 02:19:30,039 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 [2023-11-29 02:19:30,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:19:30,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:19:30,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:19:30,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:19:30,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:19:30,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:19:30,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:19:30,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:19:30,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 02:19:30,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:30,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:30,059 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:30,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 02:19:30,063 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 [2023-11-29 02:19:30,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:19:30,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:19:30,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:19:30,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:19:30,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:19:30,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:19:30,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:19:30,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:19:30,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 02:19:30,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:30,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:30,081 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:30,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 02:19:30,084 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 [2023-11-29 02:19:30,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:19:30,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:19:30,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:19:30,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:19:30,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:19:30,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:19:30,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:19:30,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:19:30,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 02:19:30,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:30,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:30,116 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:30,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 02:19:30,120 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 [2023-11-29 02:19:30,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:19:30,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:19:30,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:19:30,133 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 02:19:30,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:19:30,145 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 02:19:30,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:19:30,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:19:30,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 02:19:30,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:30,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:30,158 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:30,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 02:19:30,161 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 [2023-11-29 02:19:30,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:19:30,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:19:30,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:19:30,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:19:30,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:19:30,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:19:30,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:19:30,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:19:30,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 02:19:30,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:30,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:30,182 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:30,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 02:19:30,185 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 [2023-11-29 02:19:30,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:19:30,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:19:30,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:19:30,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:19:30,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:19:30,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:19:30,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:19:30,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:19:30,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 02:19:30,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:30,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:30,206 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:30,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 02:19:30,209 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 [2023-11-29 02:19:30,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:19:30,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:19:30,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:19:30,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:19:30,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:19:30,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:19:30,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:19:30,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:19:30,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 02:19:30,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:30,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:30,230 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:30,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 02:19:30,233 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 [2023-11-29 02:19:30,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:19:30,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:19:30,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:19:30,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:19:30,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:19:30,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:19:30,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:19:30,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:19:30,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 02:19:30,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:30,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:30,254 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:30,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 02:19:30,257 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 [2023-11-29 02:19:30,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:19:30,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:19:30,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:19:30,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:19:30,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:19:30,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:19:30,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:19:30,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:19:30,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 02:19:30,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:30,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:30,278 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:30,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 02:19:30,281 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 [2023-11-29 02:19:30,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:19:30,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:19:30,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:19:30,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:19:30,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:19:30,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:19:30,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:19:30,298 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 02:19:30,303 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 02:19:30,303 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 02:19:30,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:19:30,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:19:30,341 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:19:30,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 02:19:30,343 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 02:19:30,343 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 02:19:30,344 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 02:19:30,344 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 11 Supporting invariants [] [2023-11-29 02:19:30,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-29 02:19:30,350 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 02:19:30,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:30,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 02:19:30,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:19:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:30,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 02:19:30,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:19:30,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:19:30,640 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 02:19:30,641 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 151 states and 224 transitions. cyclomatic complexity: 74 Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:30,694 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 151 states and 224 transitions. cyclomatic complexity: 74. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 250 states and 379 transitions. Complement of second has 4 states. [2023-11-29 02:19:30,695 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 [2023-11-29 02:19:30,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:30,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2023-11-29 02:19:30,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 159 transitions. Stem has 39 letters. Loop has 29 letters. [2023-11-29 02:19:30,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 02:19:30,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 159 transitions. Stem has 68 letters. Loop has 29 letters. [2023-11-29 02:19:30,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 02:19:30,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 159 transitions. Stem has 39 letters. Loop has 58 letters. [2023-11-29 02:19:30,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 02:19:30,702 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 250 states and 379 transitions. [2023-11-29 02:19:30,705 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 02:19:30,705 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 250 states to 0 states and 0 transitions. [2023-11-29 02:19:30,705 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 02:19:30,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 02:19:30,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 02:19:30,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:19:30,705 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:19:30,705 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:19:30,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:19:30,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:19:30,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:19:30,706 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:30,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:19:30,706 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2023-11-29 02:19:30,706 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2023-11-29 02:19:30,706 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 02:19:30,706 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 02:19:30,707 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 02:19:30,707 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 02:19:30,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 02:19:30,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:19:30,707 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:19:30,707 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:19:30,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:19:30,708 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:19:30,708 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-29 02:19:30,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 02:19:30,708 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 02:19:30,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 02:19:30,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 02:19:30 BoogieIcfgContainer [2023-11-29 02:19:30,715 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 02:19:30,716 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:19:30,716 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:19:30,716 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:19:30,717 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:19:26" (3/4) ... [2023-11-29 02:19:30,718 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:19:30,719 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:19:30,720 INFO L158 Benchmark]: Toolchain (without parser) took 5420.56ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 109.3MB in the beginning and 88.7MB in the end (delta: 20.5MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2023-11-29 02:19:30,720 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:19:30,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.84ms. Allocated memory is still 140.5MB. Free memory was 109.3MB in the beginning and 93.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 02:19:30,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.75ms. Allocated memory is still 140.5MB. Free memory was 93.2MB in the beginning and 90.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:19:30,722 INFO L158 Benchmark]: Boogie Preprocessor took 57.38ms. Allocated memory is still 140.5MB. Free memory was 90.4MB in the beginning and 86.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:19:30,722 INFO L158 Benchmark]: RCFGBuilder took 568.78ms. Allocated memory is still 140.5MB. Free memory was 86.9MB in the beginning and 59.1MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-29 02:19:30,723 INFO L158 Benchmark]: BuchiAutomizer took 4407.86ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 59.1MB in the beginning and 88.7MB in the end (delta: -29.6MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2023-11-29 02:19:30,723 INFO L158 Benchmark]: Witness Printer took 3.41ms. Allocated memory is still 172.0MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:19:30,725 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.84ms. Allocated memory is still 140.5MB. Free memory was 109.3MB in the beginning and 93.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.75ms. Allocated memory is still 140.5MB. Free memory was 93.2MB in the beginning and 90.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.38ms. Allocated memory is still 140.5MB. Free memory was 90.4MB in the beginning and 86.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 568.78ms. Allocated memory is still 140.5MB. Free memory was 86.9MB in the beginning and 59.1MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 4407.86ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 59.1MB in the beginning and 88.7MB in the end (delta: -29.6MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Witness Printer took 3.41ms. Allocated memory is still 172.0MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((-2 * i2) + 11) and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 56 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 304 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 303 mSDsluCounter, 1966 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1285 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 681 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital148 mio100 ax100 hnf100 lsp25 ukn100 mio100 lsp100 div168 bol100 ite100 ukn100 eq153 hnf97 smp77 dnf104 smp96 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 02:19:30,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 02:19:30,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4503baad-eb31-4281-9d1e-f4afb9c7e098/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE