./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.4.ufo.BOUNDED-8.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_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.4.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme --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 bed48b88780a9161d07013a5b96d251b4e7830e1504dd411292edd1687355823
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-26 11:51:44,971 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-26 11:51:45,098 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf
[2023-11-26 11:51:45,109 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-26 11:51:45,110 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-26 11:51:45,158 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-26 11:51:45,159 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-26 11:51:45,160 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-26 11:51:45,161 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-26 11:51:45,169 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-11-26 11:51:45,170 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-26 11:51:45,171 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-26 11:51:45,171 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-26 11:51:45,174 INFO  L151        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2023-11-26 11:51:45,175 INFO  L153        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2023-11-26 11:51:45,175 INFO  L153        SettingsManager]:  * Use old map elimination=false
[2023-11-26 11:51:45,176 INFO  L153        SettingsManager]:  * Use external solver (rank synthesis)=false
[2023-11-26 11:51:45,176 INFO  L153        SettingsManager]:  * Use only trivial implications for array writes=true
[2023-11-26 11:51:45,177 INFO  L153        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2023-11-26 11:51:45,177 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-26 11:51:45,178 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2023-11-26 11:51:45,178 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-26 11:51:45,179 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-26 11:51:45,179 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-26 11:51:45,180 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-26 11:51:45,180 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2023-11-26 11:51:45,181 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2023-11-26 11:51:45,181 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2023-11-26 11:51:45,182 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-26 11:51:45,182 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-26 11:51:45,184 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-26 11:51:45,184 INFO  L153        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2023-11-26 11:51:45,184 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-26 11:51:45,185 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-26 11:51:45,185 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-26 11:51:45,185 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-26 11:51:45,186 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-26 11:51:45,186 INFO  L151        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2023-11-26 11:51:45,187 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_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/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_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme
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 -> bed48b88780a9161d07013a5b96d251b4e7830e1504dd411292edd1687355823
[2023-11-26 11:51:45,501 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-26 11:51:45,537 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-26 11:51:45,540 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-26 11:51:45,541 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-26 11:51:45,542 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-26 11:51:45,544 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.4.ufo.BOUNDED-8.pals.c
[2023-11-26 11:51:48,736 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-26 11:51:49,042 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-26 11:51:49,042 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.4.ufo.BOUNDED-8.pals.c
[2023-11-26 11:51:49,066 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/data/24a46882e/8b77a3a399f34037916148217b2e429a/FLAG1ce1a3da1
[2023-11-26 11:51:49,086 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/data/24a46882e/8b77a3a399f34037916148217b2e429a
[2023-11-26 11:51:49,089 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-26 11:51:49,090 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-26 11:51:49,092 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-26 11:51:49,092 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-26 11:51:49,098 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-26 11:51:49,099 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:49" (1/1) ...
[2023-11-26 11:51:49,100 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48634e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:49, skipping insertion in model container
[2023-11-26 11:51:49,100 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:49" (1/1) ...
[2023-11-26 11:51:49,159 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-26 11:51:49,526 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-26 11:51:49,544 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-26 11:51:49,650 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-26 11:51:49,670 INFO  L206         MainTranslator]: Completed translation
[2023-11-26 11:51:49,671 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:49 WrapperNode
[2023-11-26 11:51:49,671 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-26 11:51:49,672 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-26 11:51:49,673 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-26 11:51:49,673 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-26 11:51:49,681 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:49" (1/1) ...
[2023-11-26 11:51:49,708 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:49" (1/1) ...
[2023-11-26 11:51:49,772 INFO  L138                Inliner]: procedures = 23, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 917
[2023-11-26 11:51:49,772 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-26 11:51:49,773 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-26 11:51:49,774 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-26 11:51:49,774 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-26 11:51:49,785 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:49" (1/1) ...
[2023-11-26 11:51:49,786 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:49" (1/1) ...
[2023-11-26 11:51:49,793 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:49" (1/1) ...
[2023-11-26 11:51:49,839 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].
[2023-11-26 11:51:49,839 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:49" (1/1) ...
[2023-11-26 11:51:49,840 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:49" (1/1) ...
[2023-11-26 11:51:49,869 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:49" (1/1) ...
[2023-11-26 11:51:49,898 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:49" (1/1) ...
[2023-11-26 11:51:49,920 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:49" (1/1) ...
[2023-11-26 11:51:49,925 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:49" (1/1) ...
[2023-11-26 11:51:49,949 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-26 11:51:49,950 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-26 11:51:49,951 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-26 11:51:49,951 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-26 11:51:49,952 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:49" (1/1) ...
[2023-11-26 11:51:49,966 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-26 11:51:49,985 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:51:50,007 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-26 11:51:50,022 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2023-11-26 11:51:50,052 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-26 11:51:50,054 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-26 11:51:50,054 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-26 11:51:50,054 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-26 11:51:50,239 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-26 11:51:50,241 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-26 11:51:51,164 INFO  L282             CfgBuilder]: Performing block encoding
[2023-11-26 11:51:51,180 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-26 11:51:51,180 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-26 11:51:51,182 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:51 BoogieIcfgContainer
[2023-11-26 11:51:51,182 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-26 11:51:51,183 INFO  L112        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2023-11-26 11:51:51,183 INFO  L270        PluginConnector]: Initializing BuchiAutomizer...
[2023-11-26 11:51:51,187 INFO  L274        PluginConnector]: BuchiAutomizer initialized
[2023-11-26 11:51:51,188 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-26 11:51:51,188 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:51:49" (1/3) ...
[2023-11-26 11:51:51,189 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11b34a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:51:51, skipping insertion in model container
[2023-11-26 11:51:51,189 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-26 11:51:51,189 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:49" (2/3) ...
[2023-11-26 11:51:51,190 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11b34a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:51:51, skipping insertion in model container
[2023-11-26 11:51:51,190 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-26 11:51:51,190 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:51" (3/3) ...
[2023-11-26 11:51:51,191 INFO  L332   chiAutomizerObserver]: Analyzing ICFG pals_floodmax.4.4.ufo.BOUNDED-8.pals.c
[2023-11-26 11:51:51,247 INFO  L303   stractBuchiCegarLoop]: Interprodecural is true
[2023-11-26 11:51:51,248 INFO  L304   stractBuchiCegarLoop]: Hoare is false
[2023-11-26 11:51:51,248 INFO  L305   stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2023-11-26 11:51:51,248 INFO  L306   stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2023-11-26 11:51:51,248 INFO  L307   stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2023-11-26 11:51:51,248 INFO  L308   stractBuchiCegarLoop]: Difference is false
[2023-11-26 11:51:51,248 INFO  L309   stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2023-11-26 11:51:51,249 INFO  L313   stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2023-11-26 11:51:51,255 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 280 states, 279 states have (on average 1.8279569892473118) internal successors, (510), 279 states have internal predecessors, (510), 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)
[2023-11-26 11:51:51,294 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 84
[2023-11-26 11:51:51,294 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-26 11:51:51,294 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2023-11-26 11:51:51,305 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:51:51,305 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]
[2023-11-26 11:51:51,306 INFO  L335   stractBuchiCegarLoop]: ======== Iteration 1 ============
[2023-11-26 11:51:51,307 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 280 states, 279 states have (on average 1.8279569892473118) internal successors, (510), 279 states have internal predecessors, (510), 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)
[2023-11-26 11:51:51,321 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 84
[2023-11-26 11:51:51,321 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-26 11:51:51,321 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2023-11-26 11:51:51,325 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:51:51,325 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]
[2023-11-26 11:51:51,336 INFO  L748   eck$LassoCheckResult]: Stem: 182#$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;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~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;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 194#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~ret44#1, main_#t~ret45#1, main_#t~post46#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;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~mode2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;havoc main_#t~nondet31#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;havoc main_#t~nondet32#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;havoc main_#t~nondet33#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;havoc main_#t~nondet34#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;havoc main_#t~nondet35#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;havoc main_#t~nondet36#1;~mode3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;havoc main_#t~nondet37#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;havoc main_#t~nondet38#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;havoc main_#t~nondet39#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;havoc main_#t~nondet40#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;havoc main_#t~nondet41#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;havoc main_#t~nondet42#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;havoc main_#t~nondet43#1;~mode4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 161#L393true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 122#L404true init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 275#L414true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 260#L425true init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 245#L435true assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 258#L446true init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 112#L456true assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 137#L467true init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 180#L477true assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 63#L488true init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 81#L498true assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 43#L509true init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 233#L519true assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 38#L530true init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 174#L540true assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 183#L551true init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 65#L561true assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 108#L572true init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 279#L582true assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 69#L593true init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 272#L603true assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 192#L614true init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 197#L624true assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 21#L635true init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 145#L645true assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 96#L656true init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 156#L666true assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 7#L677true init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 51#L687true assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 246#L698true init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 11#L708true assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 221#L719true init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 190#L729true assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 201#L740true init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 256#L750true assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 91#L761true init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 249#L771true assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 128#L782true init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 155#L792true assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 19#L803true init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 40#L813true assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 250#L824true init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 121#L834true assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 124#L845true init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 13#L855true assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 152#L866true init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 90#L876true assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 131#L887true init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 150#L897true assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 113#L897-1true init_#res#1 := init_~tmp___23~0#1; 87#init_returnLabel#1true main_#t~ret44#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret44#1;havoc main_#t~ret44#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 100#L21true assume !(0 == assume_abort_if_not_~cond#1); 158#L20true havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 94#L1203-2true 
[2023-11-26 11:51:51,343 INFO  L750   eck$LassoCheckResult]: Loop: 94#L1203-2true assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true; 115#L109true assume !(0 != ~mode1~0 % 256); 42#L141true assume !(~r1~0 < 2); 265#L141-1true ~mode1~0 := 1; 134#L109-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 186#L162true assume !(0 != ~mode2~0 % 256); 247#L194true assume !(~r2~0 < 3); 4#L194-1true ~mode2~0 := 1; 54#L162-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 142#L215true assume !(0 != ~mode3~0 % 256); 110#L247true assume !(~r3~0 < 3); 266#L247-1true ~mode3~0 := 1; 273#L215-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 169#L268true assume !(0 != ~mode4~0 % 256); 218#L300true assume !(~r4~0 < 3); 44#L300-1true ~mode4~0 := 1; 253#L268-2true assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 189#L1074true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1#1 := 0; 185#L1074-1true check_#res#1 := check_~tmp~1#1; 162#check_returnLabel#1true main_#t~ret45#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret45#1;havoc main_#t~ret45#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; 37#L1246true assume !(0 == assert_~arg#1 % 256); 32#L1241true havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post46#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post46#1;havoc main_#t~post46#1; 94#L1203-2true 
[2023-11-26 11:51:51,357 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:51,357 INFO  L85        PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 1 times
[2023-11-26 11:51:51,367 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:51:51,370 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362545145]
[2023-11-26 11:51:51,370 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:51,371 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:51:51,630 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:52,046 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:51:52,047 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:51:52,047 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362545145]
[2023-11-26 11:51:52,048 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362545145] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:52,048 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:51:52,048 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-26 11:51:52,050 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354751755]
[2023-11-26 11:51:52,051 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:52,058 INFO  L753   eck$LassoCheckResult]: stem already infeasible
[2023-11-26 11:51:52,059 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:52,059 INFO  L85        PathProgramCache]: Analyzing trace with hash -85183311, now seen corresponding path program 1 times
[2023-11-26 11:51:52,060 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:51:52,060 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171922707]
[2023-11-26 11:51:52,060 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:52,060 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:51:52,099 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:52,334 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:51:52,335 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:51:52,335 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171922707]
[2023-11-26 11:51:52,335 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171922707] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:52,336 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:51:52,336 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-26 11:51:52,336 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972080771]
[2023-11-26 11:51:52,336 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:52,338 INFO  L765   eck$LassoCheckResult]: loop already infeasible
[2023-11-26 11:51:52,339 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:51:52,390 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-26 11:51:52,390 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-26 11:51:52,393 INFO  L87              Difference]: Start difference. First operand  has 280 states, 279 states have (on average 1.8279569892473118) internal successors, (510), 279 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:51:52,515 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:51:52,515 INFO  L93              Difference]: Finished difference Result 283 states and 509 transitions.
[2023-11-26 11:51:52,517 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 283 states and 509 transitions.
[2023-11-26 11:51:52,531 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 82
[2023-11-26 11:51:52,546 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 283 states to 274 states and 492 transitions.
[2023-11-26 11:51:52,547 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 274
[2023-11-26 11:51:52,551 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 274
[2023-11-26 11:51:52,552 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 274 states and 492 transitions.
[2023-11-26 11:51:52,554 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-26 11:51:52,556 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 274 states and 492 transitions.
[2023-11-26 11:51:52,573 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 274 states and 492 transitions.
[2023-11-26 11:51:52,595 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274.
[2023-11-26 11:51:52,597 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 274 states, 274 states have (on average 1.7956204379562044) internal successors, (492), 273 states have internal predecessors, (492), 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)
[2023-11-26 11:51:52,599 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 492 transitions.
[2023-11-26 11:51:52,600 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 274 states and 492 transitions.
[2023-11-26 11:51:52,603 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-26 11:51:52,606 INFO  L428   stractBuchiCegarLoop]: Abstraction has 274 states and 492 transitions.
[2023-11-26 11:51:52,607 INFO  L335   stractBuchiCegarLoop]: ======== Iteration 2 ============
[2023-11-26 11:51:52,607 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 274 states and 492 transitions.
[2023-11-26 11:51:52,610 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 82
[2023-11-26 11:51:52,611 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-26 11:51:52,611 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2023-11-26 11:51:52,614 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:51:52,614 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:51:52,615 INFO  L748   eck$LassoCheckResult]: Stem: 821#$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;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~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;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 822#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~ret44#1, main_#t~ret45#1, main_#t~post46#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;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~mode2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;havoc main_#t~nondet31#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;havoc main_#t~nondet32#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;havoc main_#t~nondet33#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;havoc main_#t~nondet34#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;havoc main_#t~nondet35#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;havoc main_#t~nondet36#1;~mode3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;havoc main_#t~nondet37#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;havoc main_#t~nondet38#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;havoc main_#t~nondet39#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;havoc main_#t~nondet40#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;havoc main_#t~nondet41#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;havoc main_#t~nondet42#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;havoc main_#t~nondet43#1;~mode4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 813#L393 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 721#L404 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 782#L414 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 618#L425 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 853#L435 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 666#L446 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 769#L456 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 695#L467 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 797#L477 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 698#L488 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 704#L498 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 655#L509 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 672#L519 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 607#L530 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 658#L540 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 726#L551 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 706#L561 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 684#L572 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 765#L582 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 661#L593 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 713#L603 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 644#L614 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 828#L624 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 628#L635 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 629#L645 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 681#L656 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 749#L666 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 595#L677 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 596#L687 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 651#L698 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 603#L708 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 604#L719 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 826#L729 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 751#L740 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 833#L750 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 743#L761 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 744#L771 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 594#L782 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 788#L792 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 583#L803 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 624#L813 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 662#L824 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 781#L834 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 641#L845 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 609#L855 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 610#L866 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 742#L876 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 623#L887 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 791#L897 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 585#L897-1 init_#res#1 := init_~tmp___23~0#1; 739#init_returnLabel#1 main_#t~ret44#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret44#1;havoc main_#t~ret44#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 740#L21 assume !(0 == assume_abort_if_not_~cond#1); 757#L20 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 648#L1203-2 
[2023-11-26 11:51:52,616 INFO  L750   eck$LassoCheckResult]: Loop: 648#L1203-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true; 747#L109 assume !(0 != ~mode1~0 % 256); 667#L141 assume !(~r1~0 < 2); 669#L141-1 ~mode1~0 := 1; 793#L109-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 794#L162 assume !(0 != ~mode2~0 % 256); 824#L194 assume !(~r2~0 < 3); 587#L194-1 ~mode2~0 := 1; 588#L162-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 692#L215 assume !(0 != ~mode3~0 % 256); 767#L247 assume !(~r3~0 < 3); 635#L247-1 ~mode3~0 := 1; 819#L215-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 815#L268 assume !(0 != ~mode4~0 % 256); 816#L300 assume !(~r4~0 < 3); 670#L300-1 ~mode4~0 := 1; 671#L268-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 825#L1074 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 772#L1075 assume ~st1~0 + ~nl1~0 <= 1; 773#L1076 assume ~st2~0 + ~nl2~0 <= 1; 796#L1077 assume ~st3~0 + ~nl3~0 <= 1; 679#L1078 assume ~st4~0 + ~nl4~0 <= 1; 600#L1079 assume ~r1~0 >= 3; 601#$Ultimate##666 assume ~r1~0 < 3; 802#$Ultimate##670 assume ~r1~0 >= 3; 762#$Ultimate##674 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 763#L1074-1 check_#res#1 := check_~tmp~1#1; 812#check_returnLabel#1 main_#t~ret45#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret45#1;havoc main_#t~ret45#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; 657#L1246 assume !(0 == assert_~arg#1 % 256); 647#L1241 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post46#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post46#1;havoc main_#t~post46#1; 648#L1203-2 
[2023-11-26 11:51:52,616 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:52,617 INFO  L85        PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 2 times
[2023-11-26 11:51:52,617 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:51:52,617 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309724226]
[2023-11-26 11:51:52,617 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:52,618 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:51:52,652 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:52,813 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:51:52,813 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:51:52,814 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309724226]
[2023-11-26 11:51:52,814 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309724226] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:52,814 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:51:52,814 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-26 11:51:52,815 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249012569]
[2023-11-26 11:51:52,815 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:52,816 INFO  L753   eck$LassoCheckResult]: stem already infeasible
[2023-11-26 11:51:52,816 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:52,816 INFO  L85        PathProgramCache]: Analyzing trace with hash -31942528, now seen corresponding path program 1 times
[2023-11-26 11:51:52,817 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:51:52,817 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662703485]
[2023-11-26 11:51:52,817 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:52,818 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:51:52,830 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:52,849 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:51:52,849 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:51:52,850 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662703485]
[2023-11-26 11:51:52,850 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662703485] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:52,850 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:51:52,850 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-26 11:51:52,851 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100845249]
[2023-11-26 11:51:52,851 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:52,851 INFO  L765   eck$LassoCheckResult]: loop already infeasible
[2023-11-26 11:51:52,852 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:51:52,852 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-26 11:51:52,852 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-26 11:51:52,853 INFO  L87              Difference]: Start difference. First operand 274 states and 492 transitions. cyclomatic complexity: 219 Second operand  has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:51:52,912 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:51:52,912 INFO  L93              Difference]: Finished difference Result 341 states and 599 transitions.
[2023-11-26 11:51:52,912 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 341 states and 599 transitions.
[2023-11-26 11:51:52,917 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 149
[2023-11-26 11:51:52,921 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 341 states to 341 states and 599 transitions.
[2023-11-26 11:51:52,922 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 341
[2023-11-26 11:51:52,923 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 341
[2023-11-26 11:51:52,923 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 341 states and 599 transitions.
[2023-11-26 11:51:52,925 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-26 11:51:52,926 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 341 states and 599 transitions.
[2023-11-26 11:51:52,927 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 341 states and 599 transitions.
[2023-11-26 11:51:52,943 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341.
[2023-11-26 11:51:52,946 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 341 states, 341 states have (on average 1.7565982404692082) internal successors, (599), 340 states have internal predecessors, (599), 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)
[2023-11-26 11:51:52,948 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 599 transitions.
[2023-11-26 11:51:52,949 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 341 states and 599 transitions.
[2023-11-26 11:51:52,950 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-26 11:51:52,952 INFO  L428   stractBuchiCegarLoop]: Abstraction has 341 states and 599 transitions.
[2023-11-26 11:51:52,952 INFO  L335   stractBuchiCegarLoop]: ======== Iteration 3 ============
[2023-11-26 11:51:52,952 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 341 states and 599 transitions.
[2023-11-26 11:51:52,961 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 149
[2023-11-26 11:51:52,962 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-26 11:51:52,962 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2023-11-26 11:51:52,965 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:51:52,970 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:51:52,971 INFO  L748   eck$LassoCheckResult]: Stem: 1448#$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;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~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;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 1449#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~ret44#1, main_#t~ret45#1, main_#t~post46#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;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~mode2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;havoc main_#t~nondet31#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;havoc main_#t~nondet32#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;havoc main_#t~nondet33#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;havoc main_#t~nondet34#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;havoc main_#t~nondet35#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;havoc main_#t~nondet36#1;~mode3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;havoc main_#t~nondet37#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;havoc main_#t~nondet38#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;havoc main_#t~nondet39#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;havoc main_#t~nondet40#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;havoc main_#t~nondet41#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;havoc main_#t~nondet42#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;havoc main_#t~nondet43#1;~mode4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 1438#L393 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 1347#L404 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 1407#L414 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 1243#L425 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 1481#L435 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 1289#L446 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 1394#L456 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 1319#L467 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 1422#L477 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 1322#L488 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 1329#L498 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 1278#L509 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 1295#L519 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 1230#L530 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 1281#L540 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 1352#L551 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 1330#L561 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 1308#L572 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 1390#L582 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 1284#L593 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 1337#L603 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 1267#L614 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 1456#L624 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 1251#L635 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 1252#L645 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 1305#L656 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 1377#L666 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 1219#L677 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 1220#L687 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 1274#L698 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 1226#L708 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 1227#L719 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 1454#L729 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 1379#L740 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 1461#L750 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 1369#L761 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 1370#L771 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 1218#L782 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 1413#L792 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 1207#L803 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 1250#L813 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 1285#L824 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 1406#L834 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 1264#L845 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 1232#L855 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 1233#L866 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 1368#L876 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 1246#L887 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 1416#L897 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 1209#L897-1 init_#res#1 := init_~tmp___23~0#1; 1365#init_returnLabel#1 main_#t~ret44#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret44#1;havoc main_#t~ret44#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 1366#L21 assume !(0 == assume_abort_if_not_~cond#1); 1385#L20 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 1271#L1203-2 
[2023-11-26 11:51:52,972 INFO  L750   eck$LassoCheckResult]: Loop: 1271#L1203-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true; 1374#L109 assume !(0 != ~mode1~0 % 256); 1290#L141 assume !(~r1~0 < 2); 1292#L141-1 ~mode1~0 := 1; 1418#L109-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 1419#L162 assume !(0 != ~mode2~0 % 256); 1452#L194 assume !(~r2~0 < 3); 1211#L194-1 ~mode2~0 := 1; 1212#L162-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 1316#L215 assume !(0 != ~mode3~0 % 256); 1392#L247 assume !(~r3~0 < 3); 1261#L247-1 ~mode3~0 := 1; 1446#L215-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 1440#L268 assume !(0 != ~mode4~0 % 256); 1441#L300 assume !(~r4~0 < 3); 1293#L300-1 ~mode4~0 := 1; 1294#L268-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 1453#L1074 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1397#L1075 assume ~st1~0 + ~nl1~0 <= 1; 1398#L1076 assume ~st2~0 + ~nl2~0 <= 1; 1421#L1077 assume ~st3~0 + ~nl3~0 <= 1; 1302#L1078 assume ~st4~0 + ~nl4~0 <= 1; 1303#L1079 assume !(~r1~0 >= 3); 1340#L1082 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1341#$Ultimate##666 assume ~r1~0 < 3; 1545#$Ultimate##670 assume !(~r1~0 >= 3); 1443#L1092 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1444#$Ultimate##674 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 1451#L1074-1 check_#res#1 := check_~tmp~1#1; 1437#check_returnLabel#1 main_#t~ret45#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret45#1;havoc main_#t~ret45#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; 1280#L1246 assume !(0 == assert_~arg#1 % 256); 1270#L1241 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post46#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post46#1;havoc main_#t~post46#1; 1271#L1203-2 
[2023-11-26 11:51:52,972 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:52,973 INFO  L85        PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 3 times
[2023-11-26 11:51:52,974 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:51:52,974 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680200560]
[2023-11-26 11:51:52,974 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:52,975 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:51:53,028 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:53,196 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:51:53,197 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:51:53,197 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680200560]
[2023-11-26 11:51:53,197 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680200560] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:53,197 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:51:53,197 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-26 11:51:53,198 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195225901]
[2023-11-26 11:51:53,198 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:53,198 INFO  L753   eck$LassoCheckResult]: stem already infeasible
[2023-11-26 11:51:53,199 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:53,199 INFO  L85        PathProgramCache]: Analyzing trace with hash 394947936, now seen corresponding path program 1 times
[2023-11-26 11:51:53,199 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:51:53,199 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540490958]
[2023-11-26 11:51:53,200 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:53,200 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:51:53,211 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-26 11:51:53,211 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-26 11:51:53,219 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-26 11:51:53,246 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-26 11:51:54,623 INFO  L210          LassoAnalysis]: Preferences:
[2023-11-26 11:51:54,623 INFO  L126   ssoRankerPreferences]: Compute integeral hull: false
[2023-11-26 11:51:54,624 INFO  L127   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2023-11-26 11:51:54,624 INFO  L128   ssoRankerPreferences]: Term annotations enabled: false
[2023-11-26 11:51:54,624 INFO  L129   ssoRankerPreferences]: Use exernal solver: true
[2023-11-26 11:51:54,624 INFO  L130   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-26 11:51:54,624 INFO  L131   ssoRankerPreferences]: Dump SMT script to file: false
[2023-11-26 11:51:54,625 INFO  L132   ssoRankerPreferences]: Path of dumped script: 
[2023-11-26 11:51:54,625 INFO  L133   ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.4.ufo.BOUNDED-8.pals.c_Iteration3_Loop
[2023-11-26 11:51:54,625 INFO  L134   ssoRankerPreferences]: MapElimAlgo: Frank
[2023-11-26 11:51:54,625 INFO  L276          LassoAnalysis]: Starting lasso preprocessing...
[2023-11-26 11:51:54,649 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:54,662 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:54,665 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:54,671 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:54,674 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:54,678 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:54,684 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:54,687 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:54,690 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:54,696 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:54,699 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:54,704 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:54,707 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:54,775 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:54,779 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:54,797 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:54,804 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:54,808 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:55,529 INFO  L294          LassoAnalysis]: Preprocessing complete.
[2023-11-26 11:51:55,530 INFO  L404          LassoAnalysis]: Checking for nontermination...
[2023-11-26 11:51:55,532 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-26 11:51:55,532 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:51:55,534 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-26 11:51:55,544 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2023-11-26 11:51:55,547 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2023-11-26 11:51:55,547 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2023-11-26 11:51:55,597 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0
[2023-11-26 11:51:55,598 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-26 11:51:55,598 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:51:55,599 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-26 11:51:55,611 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2023-11-26 11:51:55,611 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2023-11-26 11:51:55,624 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2023-11-26 11:51:55,806 INFO  L444          LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2023-11-26 11:51:55,810 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0
[2023-11-26 11:51:55,813 INFO  L210          LassoAnalysis]: Preferences:
[2023-11-26 11:51:55,813 INFO  L126   ssoRankerPreferences]: Compute integeral hull: false
[2023-11-26 11:51:55,813 INFO  L127   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2023-11-26 11:51:55,813 INFO  L128   ssoRankerPreferences]: Term annotations enabled: false
[2023-11-26 11:51:55,814 INFO  L129   ssoRankerPreferences]: Use exernal solver: false
[2023-11-26 11:51:55,814 INFO  L130   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-26 11:51:55,814 INFO  L131   ssoRankerPreferences]: Dump SMT script to file: false
[2023-11-26 11:51:55,814 INFO  L132   ssoRankerPreferences]: Path of dumped script: 
[2023-11-26 11:51:55,814 INFO  L133   ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.4.ufo.BOUNDED-8.pals.c_Iteration3_Loop
[2023-11-26 11:51:55,814 INFO  L134   ssoRankerPreferences]: MapElimAlgo: Frank
[2023-11-26 11:51:55,814 INFO  L276          LassoAnalysis]: Starting lasso preprocessing...
[2023-11-26 11:51:55,818 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:55,830 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:55,839 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:55,905 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:55,912 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:55,915 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:55,918 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:55,925 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:55,928 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:55,932 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:55,935 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:55,938 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:55,945 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:55,948 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:55,952 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:55,955 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:55,971 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:55,978 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-26 11:51:56,653 INFO  L294          LassoAnalysis]: Preprocessing complete.
[2023-11-26 11:51:56,657 INFO  L490          LassoAnalysis]: Using template 'affine'.
[2023-11-26 11:51:56,659 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-26 11:51:56,659 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:51:56,662 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-26 11:51:56,670 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
[2023-11-26 11:51:56,683 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2023-11-26 11:51:56,684 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-26 11:51:56,684 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-26 11:51:56,684 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-26 11:51:56,684 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-26 11:51:56,687 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-26 11:51:56,687 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-26 11:51:56,689 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2023-11-26 11:51:56,696 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-26 11:51:56,709 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0
[2023-11-26 11:51:56,710 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-26 11:51:56,710 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:51:56,711 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-26 11:51:56,719 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2023-11-26 11:51:56,722 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
[2023-11-26 11:51:56,735 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2023-11-26 11:51:56,735 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-26 11:51:56,735 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-26 11:51:56,735 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-26 11:51:56,736 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-26 11:51:56,738 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-26 11:51:56,738 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-26 11:51:56,751 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-26 11:51:56,757 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0
[2023-11-26 11:51:56,758 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-26 11:51:56,758 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:51:56,760 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-26 11:51:56,774 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
[2023-11-26 11:51:56,781 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process
[2023-11-26 11:51:56,788 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2023-11-26 11:51:56,789 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-26 11:51:56,789 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-26 11:51:56,789 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-26 11:51:56,789 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-26 11:51:56,807 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-26 11:51:56,807 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-26 11:51:56,822 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2023-11-26 11:51:56,831 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0
[2023-11-26 11:51:56,831 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-26 11:51:56,832 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:51:56,833 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-26 11:51:56,842 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
[2023-11-26 11:51:56,854 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2023-11-26 11:51:56,854 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-26 11:51:56,854 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-26 11:51:56,855 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-26 11:51:56,855 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-26 11:51:56,855 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process
[2023-11-26 11:51:56,856 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-26 11:51:56,856 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-26 11:51:56,866 INFO  L420   nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2023-11-26 11:51:56,890 INFO  L443   ModelExtractionUtils]: Simplification made 3 calls to the SMT solver.
[2023-11-26 11:51:56,891 INFO  L444   ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero.
[2023-11-26 11:51:56,892 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-26 11:51:56,892 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:51:56,912 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-26 11:51:56,914 INFO  L435   nArgumentSynthesizer]: Simplifying supporting invariants...
[2023-11-26 11:51:56,914 INFO  L438   nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2023-11-26 11:51:56,915 INFO  L513          LassoAnalysis]: Proved termination.
[2023-11-26 11:51:56,915 INFO  L515          LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 15
Supporting invariants []
[2023-11-26 11:51:56,917 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process
[2023-11-26 11:51:56,919 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0
[2023-11-26 11:51:56,922 INFO  L156   tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2023-11-26 11:51:56,955 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:57,076 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:57,080 INFO  L262         TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-26 11:51:57,087 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:51:57,221 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:57,222 INFO  L262         TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-26 11:51:57,224 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:51:57,409 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:51:57,414 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 
[2023-11-26 11:51:57,415 INFO  L71    iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 341 states and 599 transitions. cyclomatic complexity: 259 Second operand  has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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)
[2023-11-26 11:51:57,542 INFO  L75    iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 341 states and 599 transitions. cyclomatic complexity: 259. Second operand  has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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 489 states and 844 transitions. Complement of second has 4 states.
[2023-11-26 11:51:57,543 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 
[2023-11-26 11:51:57,545 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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)
[2023-11-26 11:51:57,546 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 492 transitions.
[2023-11-26 11:51:57,548 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 3 states and 492 transitions. Stem has 55 letters. Loop has 32 letters.
[2023-11-26 11:51:57,550 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2023-11-26 11:51:57,550 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 3 states and 492 transitions. Stem has 87 letters. Loop has 32 letters.
[2023-11-26 11:51:57,554 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2023-11-26 11:51:57,554 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 3 states and 492 transitions. Stem has 55 letters. Loop has 64 letters.
[2023-11-26 11:51:57,556 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2023-11-26 11:51:57,556 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 489 states and 844 transitions.
[2023-11-26 11:51:57,561 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2023-11-26 11:51:57,562 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 489 states to 0 states and 0 transitions.
[2023-11-26 11:51:57,562 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2023-11-26 11:51:57,562 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2023-11-26 11:51:57,562 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2023-11-26 11:51:57,562 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-26 11:51:57,562 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-26 11:51:57,562 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-26 11:51:57,562 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:51:57,563 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-26 11:51:57,563 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-26 11:51:57,563 INFO  L87              Difference]: Start difference. First operand 0 states and 0 transitions. Second operand  has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:51:57,563 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:51:57,563 INFO  L93              Difference]: Finished difference Result 0 states and 0 transitions.
[2023-11-26 11:51:57,563 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions.
[2023-11-26 11:51:57,564 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2023-11-26 11:51:57,564 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-26 11:51:57,564 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2023-11-26 11:51:57,564 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2023-11-26 11:51:57,564 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2023-11-26 11:51:57,565 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-26 11:51:57,565 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-26 11:51:57,565 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-26 11:51:57,565 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-26 11:51:57,567 INFO  L428   stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-26 11:51:57,567 INFO  L335   stractBuchiCegarLoop]: ======== Iteration 4 ============
[2023-11-26 11:51:57,567 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2023-11-26 11:51:57,567 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2023-11-26 11:51:57,568 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2023-11-26 11:51:57,576 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:51:57 BoogieIcfgContainer
[2023-11-26 11:51:57,576 INFO  L131        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2023-11-26 11:51:57,577 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-26 11:51:57,577 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-26 11:51:57,577 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-26 11:51:57,577 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:51" (3/4) ...
[2023-11-26 11:51:57,579 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2023-11-26 11:51:57,580 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-26 11:51:57,581 INFO  L158              Benchmark]: Toolchain (without parser) took 8490.43ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 118.3MB in the beginning and 74.6MB in the end (delta: 43.7MB). Peak memory consumption was 92.0MB. Max. memory is 16.1GB.
[2023-11-26 11:51:57,582 INFO  L158              Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory was 62.3MB in the beginning and 62.1MB in the end (delta: 199.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-26 11:51:57,586 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 579.86ms. Allocated memory is still 148.9MB. Free memory was 117.6MB in the beginning and 93.9MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2023-11-26 11:51:57,587 INFO  L158              Benchmark]: Boogie Procedure Inliner took 100.21ms. Allocated memory is still 148.9MB. Free memory was 93.9MB in the beginning and 89.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-26 11:51:57,588 INFO  L158              Benchmark]: Boogie Preprocessor took 176.38ms. Allocated memory is still 148.9MB. Free memory was 89.0MB in the beginning and 83.4MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-26 11:51:57,588 INFO  L158              Benchmark]: RCFGBuilder took 1231.99ms. Allocated memory is still 148.9MB. Free memory was 83.4MB in the beginning and 84.8MB in the end (delta: -1.4MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB.
[2023-11-26 11:51:57,589 INFO  L158              Benchmark]: BuchiAutomizer took 6392.76ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 84.8MB in the beginning and 74.6MB in the end (delta: 10.2MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB.
[2023-11-26 11:51:57,589 INFO  L158              Benchmark]: Witness Printer took 3.62ms. Allocated memory is still 195.0MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-26 11:51:57,598 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory was 62.3MB in the beginning and 62.1MB in the end (delta: 199.5kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 579.86ms. Allocated memory is still 148.9MB. Free memory was 117.6MB in the beginning and 93.9MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 100.21ms. Allocated memory is still 148.9MB. Free memory was 93.9MB in the beginning and 89.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 176.38ms. Allocated memory is still 148.9MB. Free memory was 89.0MB in the beginning and 83.4MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1231.99ms. Allocated memory is still 148.9MB. Free memory was 83.4MB in the beginning and 84.8MB in the end (delta: -1.4MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB.
 * BuchiAutomizer took 6392.76ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 84.8MB in the beginning and 74.6MB in the end (delta: 10.2MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB.
 * Witness Printer took 3.62ms. Allocated memory is still 195.0MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Constructed decomposition of program
    Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (15 + (-2 * i2)) and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations.
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 6.3s and 4 iterations.  TraceHistogramMax:1. Analysis of lassos took 5.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -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, 603 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 602 mSDsluCounter, 3681 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2102 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 1579 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown	LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks:   Lassos: inital166 mio100 ax100 hnf100 lsp44 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0	LassoNonterminationAnalysisSatUnbounded: 0	LassoNonterminationAnalysisUnsat: 1	LassoNonterminationAnalysisUnknown: 0	LassoNonterminationAnalysisTime: 0.2s	InitialAbstractionConstructionTime: 0.0s
  - TerminationAnalysisResult: Termination proven
    Buchi Automizer proved that your program is terminating
RESULT: Ultimate proved your program to be correct!
[2023-11-26 11:51:57,627 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0
[2023-11-26 11:51:57,825 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da24c443-246f-4c9c-b409-f0eea4091a53/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE