./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix039.oepc.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for overflows
Using default analysis
Version 5e519f3a
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_3f1cb37e-d571-4823-a097-6c2e0727ae71/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1cb37e-d571-4823-a097-6c2e0727ae71/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1cb37e-d571-4823-a097-6c2e0727ae71/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1cb37e-d571-4823-a097-6c2e0727ae71/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix039.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1cb37e-d571-4823-a097-6c2e0727ae71/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1cb37e-d571-4823-a097-6c2e0727ae71/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 42c5ff0d69642601057eb29fc7d78b67af5ab0b43644460199f4561abe049d3b
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 21:07:41,386 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-02 21:07:41,390 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 21:07:41,448 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 21:07:41,448 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 21:07:41,453 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 21:07:41,455 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 21:07:41,459 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 21:07:41,461 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 21:07:41,467 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 21:07:41,468 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 21:07:41,471 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 21:07:41,472 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 21:07:41,475 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 21:07:41,476 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 21:07:41,478 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 21:07:41,481 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 21:07:41,482 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 21:07:41,484 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 21:07:41,492 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 21:07:41,495 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 21:07:41,496 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 21:07:41,500 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 21:07:41,502 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 21:07:41,512 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 21:07:41,512 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 21:07:41,513 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 21:07:41,515 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 21:07:41,515 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 21:07:41,517 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 21:07:41,517 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 21:07:41,518 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 21:07:41,522 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 21:07:41,524 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 21:07:41,525 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 21:07:41,525 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 21:07:41,526 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 21:07:41,526 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 21:07:41,527 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 21:07:41,528 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 21:07:41,529 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 21:07:41,529 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1cb37e-d571-4823-a097-6c2e0727ae71/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2022-11-02 21:07:41,575 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-02 21:07:41,575 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 21:07:41,576 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 21:07:41,576 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 21:07:41,577 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 21:07:41,577 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 21:07:41,578 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 21:07:41,578 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-02 21:07:41,579 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-02 21:07:41,579 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 21:07:41,580 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-02 21:07:41,581 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 21:07:41,581 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-02 21:07:41,581 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-02 21:07:41,591 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-02 21:07:41,591 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 21:07:41,591 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 21:07:41,591 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 21:07:41,591 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2022-11-02 21:07:41,592 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-02 21:07:41,592 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-02 21:07:41,592 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-02 21:07:41,592 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-02 21:07:41,593 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 21:07:41,593 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-02 21:07:41,593 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-02 21:07:41,593 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 21:07:41,594 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 21:07:41,594 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 21:07:41,594 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 21:07:41,594 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-02 21:07:41,594 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 21:07:41,595 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 21:07:41,595 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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_3f1cb37e-d571-4823-a097-6c2e0727ae71/bin/uautomizer-Dbtcem3rbc/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_3f1cb37e-d571-4823-a097-6c2e0727ae71/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )


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 -> 42c5ff0d69642601057eb29fc7d78b67af5ab0b43644460199f4561abe049d3b
[2022-11-02 21:07:41,921 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 21:07:41,948 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 21:07:41,951 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 21:07:41,952 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-02 21:07:41,953 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-02 21:07:41,955 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1cb37e-d571-4823-a097-6c2e0727ae71/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-wmm/mix039.oepc.i
[2022-11-02 21:07:42,039 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1cb37e-d571-4823-a097-6c2e0727ae71/bin/uautomizer-Dbtcem3rbc/data/c310137bb/6b15688bca2147ce881f932d19f13ceb/FLAG794ce5fa4
[2022-11-02 21:07:42,740 INFO  L306              CDTParser]: Found 1 translation units.
[2022-11-02 21:07:42,741 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1cb37e-d571-4823-a097-6c2e0727ae71/sv-benchmarks/c/pthread-wmm/mix039.oepc.i
[2022-11-02 21:07:42,762 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1cb37e-d571-4823-a097-6c2e0727ae71/bin/uautomizer-Dbtcem3rbc/data/c310137bb/6b15688bca2147ce881f932d19f13ceb/FLAG794ce5fa4
[2022-11-02 21:07:42,971 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1cb37e-d571-4823-a097-6c2e0727ae71/bin/uautomizer-Dbtcem3rbc/data/c310137bb/6b15688bca2147ce881f932d19f13ceb
[2022-11-02 21:07:42,974 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 21:07:42,984 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 21:07:42,988 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 21:07:42,988 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 21:07:42,992 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 21:07:42,993 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:07:42" (1/1) ...
[2022-11-02 21:07:42,995 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e86af15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:42, skipping insertion in model container
[2022-11-02 21:07:42,995 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:07:42" (1/1) ...
[2022-11-02 21:07:43,003 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-02 21:07:43,064 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-02 21:07:43,280 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1cb37e-d571-4823-a097-6c2e0727ae71/sv-benchmarks/c/pthread-wmm/mix039.oepc.i[945,958]
[2022-11-02 21:07:43,519 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 21:07:43,534 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-02 21:07:43,555 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1cb37e-d571-4823-a097-6c2e0727ae71/sv-benchmarks/c/pthread-wmm/mix039.oepc.i[945,958]
[2022-11-02 21:07:43,654 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 21:07:43,713 INFO  L208         MainTranslator]: Completed translation
[2022-11-02 21:07:43,713 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:43 WrapperNode
[2022-11-02 21:07:43,714 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 21:07:43,715 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 21:07:43,715 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 21:07:43,716 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 21:07:43,724 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:43" (1/1) ...
[2022-11-02 21:07:43,752 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:43" (1/1) ...
[2022-11-02 21:07:43,787 INFO  L138                Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 196
[2022-11-02 21:07:43,787 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 21:07:43,788 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 21:07:43,788 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 21:07:43,788 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 21:07:43,804 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:43" (1/1) ...
[2022-11-02 21:07:43,805 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:43" (1/1) ...
[2022-11-02 21:07:43,820 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:43" (1/1) ...
[2022-11-02 21:07:43,821 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:43" (1/1) ...
[2022-11-02 21:07:43,851 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:43" (1/1) ...
[2022-11-02 21:07:43,855 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:43" (1/1) ...
[2022-11-02 21:07:43,864 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:43" (1/1) ...
[2022-11-02 21:07:43,874 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:43" (1/1) ...
[2022-11-02 21:07:43,879 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 21:07:43,880 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 21:07:43,885 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 21:07:43,886 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-02 21:07:43,887 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:43" (1/1) ...
[2022-11-02 21:07:43,893 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 21:07:43,907 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1cb37e-d571-4823-a097-6c2e0727ae71/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:07:43,919 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1cb37e-d571-4823-a097-6c2e0727ae71/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 21:07:43,922 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1cb37e-d571-4823-a097-6c2e0727ae71/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 21:07:43,972 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 21:07:43,972 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-11-02 21:07:43,972 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 21:07:43,972 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 21:07:43,972 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 21:07:43,972 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2022-11-02 21:07:43,973 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2022-11-02 21:07:43,973 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2022-11-02 21:07:43,974 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2022-11-02 21:07:43,974 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2022-11-02 21:07:43,974 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2022-11-02 21:07:43,975 INFO  L130     BoogieDeclarations]: Found specification of procedure P3
[2022-11-02 21:07:43,975 INFO  L138     BoogieDeclarations]: Found implementation of procedure P3
[2022-11-02 21:07:43,975 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 21:07:43,975 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-11-02 21:07:43,975 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 21:07:43,975 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 21:07:43,977 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-02 21:07:44,208 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-02 21:07:44,210 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 21:07:45,333 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-02 21:07:45,980 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 21:07:45,981 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-02 21:07:45,984 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:07:45 BoogieIcfgContainer
[2022-11-02 21:07:45,984 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 21:07:45,987 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 21:07:45,988 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 21:07:45,992 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-02 21:07:45,993 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:07:42" (1/3) ...
[2022-11-02 21:07:45,994 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a316456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:07:45, skipping insertion in model container
[2022-11-02 21:07:45,994 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:43" (2/3) ...
[2022-11-02 21:07:45,995 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a316456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:07:45, skipping insertion in model container
[2022-11-02 21:07:45,995 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:07:45" (3/3) ...
[2022-11-02 21:07:45,996 INFO  L112   eAbstractionObserver]: Analyzing ICFG mix039.oepc.i
[2022-11-02 21:07:46,008 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-02 21:07:46,020 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 21:07:46,021 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2022-11-02 21:07:46,021 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-02 21:07:46,153 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-11-02 21:07:46,218 INFO  L115   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2022-11-02 21:07:46,236 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 146 transitions, 312 flow
[2022-11-02 21:07:46,240 INFO  L112        LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 146 transitions, 312 flow
[2022-11-02 21:07:46,242 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 157 places, 146 transitions, 312 flow
[2022-11-02 21:07:46,320 INFO  L130       PetriNetUnfolder]: 2/142 cut-off events.
[2022-11-02 21:07:46,320 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-02 21:07:46,325 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 155 conditions, 142 events. 2/142 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 96 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. 
[2022-11-02 21:07:46,329 INFO  L118        LiptonReduction]: Number of co-enabled transitions 4420
[2022-11-02 21:08:00,961 INFO  L133        LiptonReduction]: Checked pairs total: 16973
[2022-11-02 21:08:00,961 INFO  L135        LiptonReduction]: Total number of compositions: 121
[2022-11-02 21:08:00,972 INFO  L113   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 41 transitions, 102 flow
[2022-11-02 21:08:01,698 INFO  L135   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 11772 states, 11692 states have (on average 4.40711597673623) internal successors, (51528), 11771 states have internal predecessors, (51528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:08:01,729 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 21:08:01,736 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@772de64d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 21:08:01,737 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 20 error locations.
[2022-11-02 21:08:01,780 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 11772 states, 11692 states have (on average 4.40711597673623) internal successors, (51528), 11771 states have internal predecessors, (51528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:08:01,787 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-11-02 21:08:01,787 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:08:01,788 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-11-02 21:08:01,789 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2022-11-02 21:08:01,796 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:08:01,796 INFO  L85        PathProgramCache]: Analyzing trace with hash 1271313808, now seen corresponding path program 1 times
[2022-11-02 21:08:01,808 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:08:01,809 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590818937]
[2022-11-02 21:08:01,809 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:08:01,810 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:08:01,964 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:08:02,138 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:08:02,145 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:08:02,145 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590818937]
[2022-11-02 21:08:02,146 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590818937] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:08:02,146 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:08:02,147 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-02 21:08:02,148 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96800574]
[2022-11-02 21:08:02,149 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:08:02,154 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 21:08:02,155 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:08:02,186 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 21:08:02,187 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 21:08:02,342 INFO  L87              Difference]: Start difference. First operand  has 11772 states, 11692 states have (on average 4.40711597673623) internal successors, (51528), 11771 states have internal predecessors, (51528), 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 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:08:02,722 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:08:02,722 INFO  L93              Difference]: Finished difference Result 6656 states and 24793 transitions.
[2022-11-02 21:08:02,724 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 21:08:02,725 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) Word has length 5
[2022-11-02 21:08:02,726 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:08:02,810 INFO  L225             Difference]: With dead ends: 6656
[2022-11-02 21:08:02,810 INFO  L226             Difference]: Without dead ends: 6656
[2022-11-02 21:08:02,815 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 21:08:02,819 INFO  L413           NwaCegarLoop]: 8 mSDtfsCounter, 20 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 21:08:02,820 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 12 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 21:08:02,869 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6656 states.
[2022-11-02 21:08:03,293 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6656 to 6656.
[2022-11-02 21:08:03,319 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6656 states, 6592 states have (on average 3.7610740291262137) internal successors, (24793), 6655 states have internal predecessors, (24793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:08:03,391 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6656 states to 6656 states and 24793 transitions.
[2022-11-02 21:08:03,392 INFO  L78                 Accepts]: Start accepts. Automaton has 6656 states and 24793 transitions. Word has length 5
[2022-11-02 21:08:03,393 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:08:03,393 INFO  L495      AbstractCegarLoop]: Abstraction has 6656 states and 24793 transitions.
[2022-11-02 21:08:03,394 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:08:03,394 INFO  L276                IsEmpty]: Start isEmpty. Operand 6656 states and 24793 transitions.
[2022-11-02 21:08:03,399 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-11-02 21:08:03,400 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:08:03,400 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:08:03,400 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 21:08:03,401 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2022-11-02 21:08:03,402 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:08:03,402 INFO  L85        PathProgramCache]: Analyzing trace with hash -2127288803, now seen corresponding path program 1 times
[2022-11-02 21:08:03,402 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:08:03,408 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101984182]
[2022-11-02 21:08:03,408 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:08:03,409 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:08:03,480 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:08:03,757 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:08:03,758 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:08:03,758 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101984182]
[2022-11-02 21:08:03,758 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101984182] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:08:03,759 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:08:03,759 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 21:08:03,759 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943833307]
[2022-11-02 21:08:03,760 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:08:03,761 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 21:08:03,761 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:08:03,762 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 21:08:03,762 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 21:08:03,762 INFO  L87              Difference]: Start difference. First operand 6656 states and 24793 transitions. Second operand  has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:08:04,045 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:08:04,046 INFO  L93              Difference]: Finished difference Result 4700 states and 17833 transitions.
[2022-11-02 21:08:04,053 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-11-02 21:08:04,054 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) Word has length 11
[2022-11-02 21:08:04,054 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:08:04,096 INFO  L225             Difference]: With dead ends: 4700
[2022-11-02 21:08:04,096 INFO  L226             Difference]: Without dead ends: 4700
[2022-11-02 21:08:04,097 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 21:08:04,100 INFO  L413           NwaCegarLoop]: 8 mSDtfsCounter, 41 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 21:08:04,101 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 16 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 21:08:04,121 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4700 states.
[2022-11-02 21:08:04,318 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4700 to 4700.
[2022-11-02 21:08:04,340 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4700 states, 4686 states have (on average 3.805591122492531) internal successors, (17833), 4699 states have internal predecessors, (17833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:08:04,375 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4700 states to 4700 states and 17833 transitions.
[2022-11-02 21:08:04,376 INFO  L78                 Accepts]: Start accepts. Automaton has 4700 states and 17833 transitions. Word has length 11
[2022-11-02 21:08:04,376 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:08:04,376 INFO  L495      AbstractCegarLoop]: Abstraction has 4700 states and 17833 transitions.
[2022-11-02 21:08:04,377 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:08:04,377 INFO  L276                IsEmpty]: Start isEmpty. Operand 4700 states and 17833 transitions.
[2022-11-02 21:08:04,386 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2022-11-02 21:08:04,387 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:08:04,387 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:08:04,387 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 21:08:04,387 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2022-11-02 21:08:04,389 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:08:04,389 INFO  L85        PathProgramCache]: Analyzing trace with hash -1521445097, now seen corresponding path program 1 times
[2022-11-02 21:08:04,389 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:08:04,393 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251692738]
[2022-11-02 21:08:04,393 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:08:04,394 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:08:04,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:08:04,516 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:08:04,516 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:08:04,516 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251692738]
[2022-11-02 21:08:04,516 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251692738] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:08:04,517 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:08:04,517 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 21:08:04,517 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565667710]
[2022-11-02 21:08:04,517 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:08:04,518 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 21:08:04,518 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:08:04,518 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 21:08:04,519 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 21:08:04,519 INFO  L87              Difference]: Start difference. First operand 4700 states and 17833 transitions. Second operand  has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:08:04,857 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:08:04,857 INFO  L93              Difference]: Finished difference Result 3558 states and 13598 transitions.
[2022-11-02 21:08:04,858 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-11-02 21:08:04,858 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) Word has length 12
[2022-11-02 21:08:04,859 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:08:04,903 INFO  L225             Difference]: With dead ends: 3558
[2022-11-02 21:08:04,904 INFO  L226             Difference]: Without dead ends: 3558
[2022-11-02 21:08:04,904 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 21:08:04,905 INFO  L413           NwaCegarLoop]: 8 mSDtfsCounter, 56 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-11-02 21:08:04,906 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 16 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-11-02 21:08:04,920 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3558 states.
[2022-11-02 21:08:05,103 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3558 to 3558.
[2022-11-02 21:08:05,112 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3558 states, 3548 states have (on average 3.8325817361894026) internal successors, (13598), 3557 states have internal predecessors, (13598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:08:05,176 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3558 states to 3558 states and 13598 transitions.
[2022-11-02 21:08:05,176 INFO  L78                 Accepts]: Start accepts. Automaton has 3558 states and 13598 transitions. Word has length 12
[2022-11-02 21:08:05,176 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:08:05,177 INFO  L495      AbstractCegarLoop]: Abstraction has 3558 states and 13598 transitions.
[2022-11-02 21:08:05,177 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:08:05,187 INFO  L276                IsEmpty]: Start isEmpty. Operand 3558 states and 13598 transitions.
[2022-11-02 21:08:05,213 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2022-11-02 21:08:05,213 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:08:05,214 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:08:05,215 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 21:08:05,216 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2022-11-02 21:08:05,217 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:08:05,217 INFO  L85        PathProgramCache]: Analyzing trace with hash -505921846, now seen corresponding path program 1 times
[2022-11-02 21:08:05,217 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:08:05,217 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560183112]
[2022-11-02 21:08:05,218 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:08:05,218 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:08:05,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:08:05,609 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:08:05,609 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:08:05,609 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560183112]
[2022-11-02 21:08:05,610 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560183112] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:08:05,613 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:08:05,613 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 21:08:05,613 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683629974]
[2022-11-02 21:08:05,616 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:08:05,616 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 21:08:05,617 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:08:05,618 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 21:08:05,620 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2022-11-02 21:08:05,620 INFO  L87              Difference]: Start difference. First operand 3558 states and 13598 transitions. Second operand  has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:08:05,978 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:08:05,978 INFO  L93              Difference]: Finished difference Result 3324 states and 12959 transitions.
[2022-11-02 21:08:05,979 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-11-02 21:08:05,979 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18
[2022-11-02 21:08:05,979 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:08:06,005 INFO  L225             Difference]: With dead ends: 3324
[2022-11-02 21:08:06,005 INFO  L226             Difference]: Without dead ends: 3324
[2022-11-02 21:08:06,006 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2022-11-02 21:08:06,009 INFO  L413           NwaCegarLoop]: 8 mSDtfsCounter, 74 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-11-02 21:08:06,011 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 20 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-11-02 21:08:06,028 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3324 states.
[2022-11-02 21:08:06,276 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 3324.
[2022-11-02 21:08:06,286 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3324 states, 3320 states have (on average 3.903313253012048) internal successors, (12959), 3323 states have internal predecessors, (12959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:08:06,307 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 3324 states and 12959 transitions.
[2022-11-02 21:08:06,307 INFO  L78                 Accepts]: Start accepts. Automaton has 3324 states and 12959 transitions. Word has length 18
[2022-11-02 21:08:06,308 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:08:06,309 INFO  L495      AbstractCegarLoop]: Abstraction has 3324 states and 12959 transitions.
[2022-11-02 21:08:06,309 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:08:06,309 INFO  L276                IsEmpty]: Start isEmpty. Operand 3324 states and 12959 transitions.
[2022-11-02 21:08:06,322 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2022-11-02 21:08:06,322 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:08:06,322 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:08:06,323 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 21:08:06,323 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2022-11-02 21:08:06,324 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:08:06,324 INFO  L85        PathProgramCache]: Analyzing trace with hash 1914362680, now seen corresponding path program 1 times
[2022-11-02 21:08:06,325 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:08:06,325 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306437884]
[2022-11-02 21:08:06,325 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:08:06,325 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:08:06,377 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:08:06,611 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:08:06,612 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:08:06,612 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306437884]
[2022-11-02 21:08:06,612 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306437884] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:08:06,612 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:08:06,612 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-02 21:08:06,613 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179361475]
[2022-11-02 21:08:06,613 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:08:06,613 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 21:08:06,613 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:08:06,614 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 21:08:06,614 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 21:08:06,614 INFO  L87              Difference]: Start difference. First operand 3324 states and 12959 transitions. Second operand  has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:08:06,926 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:08:06,926 INFO  L93              Difference]: Finished difference Result 3308 states and 12931 transitions.
[2022-11-02 21:08:06,927 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-11-02 21:08:06,927 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25
[2022-11-02 21:08:06,927 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:08:06,927 INFO  L225             Difference]: With dead ends: 3308
[2022-11-02 21:08:06,927 INFO  L226             Difference]: Without dead ends: 0
[2022-11-02 21:08:06,930 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 21:08:06,931 INFO  L413           NwaCegarLoop]: 4 mSDtfsCounter, 164 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-11-02 21:08:06,932 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 16 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-11-02 21:08:06,932 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 21:08:06,933 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 21:08:06,933 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:08:06,933 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 21:08:06,933 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25
[2022-11-02 21:08:06,933 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:08:06,933 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 21:08:06,934 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:08:06,934 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 21:08:06,934 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 21:08:06,937 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining)
[2022-11-02 21:08:06,938 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining)
[2022-11-02 21:08:06,938 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining)
[2022-11-02 21:08:06,938 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining)
[2022-11-02 21:08:06,938 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining)
[2022-11-02 21:08:06,939 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining)
[2022-11-02 21:08:06,939 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining)
[2022-11-02 21:08:06,940 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining)
[2022-11-02 21:08:06,940 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining)
[2022-11-02 21:08:06,940 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining)
[2022-11-02 21:08:06,940 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining)
[2022-11-02 21:08:06,940 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining)
[2022-11-02 21:08:06,941 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining)
[2022-11-02 21:08:06,941 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining)
[2022-11-02 21:08:06,941 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining)
[2022-11-02 21:08:06,941 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining)
[2022-11-02 21:08:06,942 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining)
[2022-11-02 21:08:06,942 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining)
[2022-11-02 21:08:06,942 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining)
[2022-11-02 21:08:06,942 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining)
[2022-11-02 21:08:06,943 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-02 21:08:06,946 INFO  L444         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2022-11-02 21:08:06,953 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-11-02 21:08:06,953 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 21:08:06,956 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:08:06 BasicIcfg
[2022-11-02 21:08:06,957 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 21:08:06,957 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 21:08:06,957 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-02 21:08:06,958 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-02 21:08:06,958 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:07:45" (3/4) ...
[2022-11-02 21:08:06,961 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-11-02 21:08:06,967 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2022-11-02 21:08:06,968 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2022-11-02 21:08:06,968 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2022-11-02 21:08:06,968 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P3
[2022-11-02 21:08:06,977 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges
[2022-11-02 21:08:06,977 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2022-11-02 21:08:06,978 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2022-11-02 21:08:06,979 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 21:08:07,039 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1cb37e-d571-4823-a097-6c2e0727ae71/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 21:08:07,040 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 21:08:07,040 INFO  L158              Benchmark]: Toolchain (without parser) took 24056.44ms. Allocated memory was 88.1MB in the beginning and 352.3MB in the end (delta: 264.2MB). Free memory was 63.3MB in the beginning and 187.0MB in the end (delta: -123.6MB). Peak memory consumption was 140.3MB. Max. memory is 16.1GB.
[2022-11-02 21:08:07,041 INFO  L158              Benchmark]: CDTParser took 0.35ms. Allocated memory is still 88.1MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 21:08:07,041 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 726.79ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 63.3MB in the beginning and 71.9MB in the end (delta: -8.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2022-11-02 21:08:07,041 INFO  L158              Benchmark]: Boogie Procedure Inliner took 72.03ms. Allocated memory is still 115.3MB. Free memory was 71.9MB in the beginning and 69.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 21:08:07,042 INFO  L158              Benchmark]: Boogie Preprocessor took 91.87ms. Allocated memory is still 115.3MB. Free memory was 69.3MB in the beginning and 66.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 21:08:07,042 INFO  L158              Benchmark]: RCFGBuilder took 2103.59ms. Allocated memory was 115.3MB in the beginning and 159.4MB in the end (delta: 44.0MB). Free memory was 66.4MB in the beginning and 127.1MB in the end (delta: -60.6MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB.
[2022-11-02 21:08:07,043 INFO  L158              Benchmark]: TraceAbstraction took 20969.26ms. Allocated memory was 159.4MB in the beginning and 352.3MB in the end (delta: 192.9MB). Free memory was 126.0MB in the beginning and 191.2MB in the end (delta: -65.1MB). Peak memory consumption was 128.8MB. Max. memory is 16.1GB.
[2022-11-02 21:08:07,043 INFO  L158              Benchmark]: Witness Printer took 82.45ms. Allocated memory is still 352.3MB. Free memory was 191.2MB in the beginning and 187.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 21:08:07,046 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.35ms. Allocated memory is still 88.1MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 726.79ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 63.3MB in the beginning and 71.9MB in the end (delta: -8.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 72.03ms. Allocated memory is still 115.3MB. Free memory was 71.9MB in the beginning and 69.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 91.87ms. Allocated memory is still 115.3MB. Free memory was 69.3MB in the beginning and 66.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 2103.59ms. Allocated memory was 115.3MB in the beginning and 159.4MB in the end (delta: 44.0MB). Free memory was 66.4MB in the beginning and 127.1MB in the end (delta: -60.6MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB.
 * TraceAbstraction took 20969.26ms. Allocated memory was 159.4MB in the beginning and 352.3MB in the end (delta: 192.9MB). Free memory was 126.0MB in the beginning and 191.2MB in the end (delta: -65.1MB). Peak memory consumption was 128.8MB. Max. memory is 16.1GB.
 * Witness Printer took 82.45ms. Allocated memory is still 352.3MB. Free memory was 191.2MB in the beginning and 187.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 14.7s, 157 PlacesBefore, 53 PlacesAfterwards, 146 TransitionsBefore, 41 TransitionsAfterwards, 4420 CoEnabledTransitionPairs, 8 FixpointIterations, 47 TrivialSequentialCompositions, 64 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 121 TotalNumberOfCompositions, 16973 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7167, positive: 6771, positive conditional: 0, positive unconditional: 6771, negative: 396, negative conditional: 0, negative unconditional: 396, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3021, positive: 2927, positive conditional: 0, positive unconditional: 2927, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3021, positive: 2862, positive conditional: 0, positive unconditional: 2862, negative: 159, negative conditional: 0, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 159, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1462, positive: 183, positive conditional: 0, positive unconditional: 183, negative: 1280, negative conditional: 0, negative unconditional: 1280, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 7167, positive: 3844, positive conditional: 0, positive unconditional: 3844, negative: 302, negative conditional: 0, negative unconditional: 302, unknown: 3021, unknown conditional: 0, unknown unconditional: 3021] , Statistics on independence cache: Total cache size (in pairs): 400, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 777]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 777]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 797]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 797]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 817]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 817]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 856]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 856]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 9 procedures, 191 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 20.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 15.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 355 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 355 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 218 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 404 IncrementalHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 36 mSDtfsCounter, 404 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11772occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 198 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    8 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-11-02 21:08:07,122 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1cb37e-d571-4823-a097-6c2e0727ae71/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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