./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe005_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.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_f63e5911-8229-4bc5-91e2-4fee53308871/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63e5911-8229-4bc5-91e2-4fee53308871/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_f63e5911-8229-4bc5-91e2-4fee53308871/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63e5911-8229-4bc5-91e2-4fee53308871/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe005_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63e5911-8229-4bc5-91e2-4fee53308871/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_f63e5911-8229-4bc5-91e2-4fee53308871/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 40c6d23f476fb49e658cd83073483dddc1740bbd5f458e601d84fe47899d7237
--- 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 21:00:05,932 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-02 21:00:05,934 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 21:00:05,973 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 21:00:05,974 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 21:00:05,978 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 21:00:05,980 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 21:00:05,984 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 21:00:05,986 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 21:00:05,991 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 21:00:05,992 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 21:00:05,995 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 21:00:05,995 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 21:00:05,998 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 21:00:05,999 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 21:00:06,001 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 21:00:06,003 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 21:00:06,003 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 21:00:06,005 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 21:00:06,014 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 21:00:06,015 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 21:00:06,016 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 21:00:06,019 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 21:00:06,020 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 21:00:06,028 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 21:00:06,029 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 21:00:06,029 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 21:00:06,031 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 21:00:06,031 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 21:00:06,033 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 21:00:06,034 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 21:00:06,035 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 21:00:06,037 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 21:00:06,038 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 21:00:06,039 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 21:00:06,039 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 21:00:06,040 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 21:00:06,040 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 21:00:06,040 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 21:00:06,041 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 21:00:06,042 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 21:00:06,042 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63e5911-8229-4bc5-91e2-4fee53308871/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2022-11-02 21:00:06,077 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-02 21:00:06,080 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 21:00:06,081 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 21:00:06,081 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 21:00:06,082 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 21:00:06,082 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 21:00:06,083 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 21:00:06,083 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-02 21:00:06,083 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-02 21:00:06,084 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 21:00:06,085 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-02 21:00:06,085 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 21:00:06,085 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-02 21:00:06,085 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-02 21:00:06,085 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-02 21:00:06,086 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 21:00:06,086 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 21:00:06,086 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 21:00:06,086 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2022-11-02 21:00:06,086 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-02 21:00:06,087 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-02 21:00:06,087 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-02 21:00:06,087 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-02 21:00:06,087 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 21:00:06,088 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-02 21:00:06,088 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-02 21:00:06,089 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 21:00:06,090 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 21:00:06,090 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 21:00:06,090 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 21:00:06,090 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-02 21:00:06,090 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 21:00:06,091 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 21:00:06,091 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_f63e5911-8229-4bc5-91e2-4fee53308871/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_f63e5911-8229-4bc5-91e2-4fee53308871/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 -> 40c6d23f476fb49e658cd83073483dddc1740bbd5f458e601d84fe47899d7237
[2022-11-02 21:00:06,418 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 21:00:06,447 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 21:00:06,450 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 21:00:06,451 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-02 21:00:06,452 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-02 21:00:06,453 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63e5911-8229-4bc5-91e2-4fee53308871/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-wmm/safe005_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i
[2022-11-02 21:00:06,518 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63e5911-8229-4bc5-91e2-4fee53308871/bin/uautomizer-Dbtcem3rbc/data/e2905c374/a248c13603f44271afc55e6ef706b530/FLAGe266b9b37
[2022-11-02 21:00:07,006 INFO  L306              CDTParser]: Found 1 translation units.
[2022-11-02 21:00:07,009 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63e5911-8229-4bc5-91e2-4fee53308871/sv-benchmarks/c/pthread-wmm/safe005_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i
[2022-11-02 21:00:07,026 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63e5911-8229-4bc5-91e2-4fee53308871/bin/uautomizer-Dbtcem3rbc/data/e2905c374/a248c13603f44271afc55e6ef706b530/FLAGe266b9b37
[2022-11-02 21:00:07,321 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63e5911-8229-4bc5-91e2-4fee53308871/bin/uautomizer-Dbtcem3rbc/data/e2905c374/a248c13603f44271afc55e6ef706b530
[2022-11-02 21:00:07,325 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 21:00:07,327 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 21:00:07,333 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 21:00:07,333 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 21:00:07,336 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 21:00:07,337 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:00:07" (1/1) ...
[2022-11-02 21:00:07,339 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44baa11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:07, skipping insertion in model container
[2022-11-02 21:00:07,339 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:00:07" (1/1) ...
[2022-11-02 21:00:07,346 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-02 21:00:07,409 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-02 21:00:07,643 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_f63e5911-8229-4bc5-91e2-4fee53308871/sv-benchmarks/c/pthread-wmm/safe005_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1039,1052]
[2022-11-02 21:00:07,812 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 21:00:07,820 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-02 21:00:07,832 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_f63e5911-8229-4bc5-91e2-4fee53308871/sv-benchmarks/c/pthread-wmm/safe005_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1039,1052]
[2022-11-02 21:00:07,874 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 21:00:07,920 INFO  L208         MainTranslator]: Completed translation
[2022-11-02 21:00:07,921 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:07 WrapperNode
[2022-11-02 21:00:07,921 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 21:00:07,922 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 21:00:07,922 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 21:00:07,923 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 21:00:07,930 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:07" (1/1) ...
[2022-11-02 21:00:07,967 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:07" (1/1) ...
[2022-11-02 21:00:08,006 INFO  L138                Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 178
[2022-11-02 21:00:08,007 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 21:00:08,008 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 21:00:08,008 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 21:00:08,008 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 21:00:08,017 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:07" (1/1) ...
[2022-11-02 21:00:08,017 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:07" (1/1) ...
[2022-11-02 21:00:08,034 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:07" (1/1) ...
[2022-11-02 21:00:08,043 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:07" (1/1) ...
[2022-11-02 21:00:08,052 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:07" (1/1) ...
[2022-11-02 21:00:08,068 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:07" (1/1) ...
[2022-11-02 21:00:08,070 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:07" (1/1) ...
[2022-11-02 21:00:08,072 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:07" (1/1) ...
[2022-11-02 21:00:08,076 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 21:00:08,077 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 21:00:08,077 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 21:00:08,077 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-02 21:00:08,078 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:07" (1/1) ...
[2022-11-02 21:00:08,098 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 21:00:08,115 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63e5911-8229-4bc5-91e2-4fee53308871/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:00:08,131 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63e5911-8229-4bc5-91e2-4fee53308871/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 21:00:08,160 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63e5911-8229-4bc5-91e2-4fee53308871/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 21:00:08,177 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 21:00:08,177 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-11-02 21:00:08,177 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 21:00:08,177 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 21:00:08,177 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 21:00:08,178 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2022-11-02 21:00:08,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2022-11-02 21:00:08,178 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2022-11-02 21:00:08,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2022-11-02 21:00:08,179 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2022-11-02 21:00:08,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2022-11-02 21:00:08,179 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 21:00:08,179 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-11-02 21:00:08,179 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 21:00:08,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 21:00:08,181 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 21:00:08,396 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-02 21:00:08,398 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 21:00:09,012 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-02 21:00:09,451 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 21:00:09,451 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-02 21:00:09,454 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:00:09 BoogieIcfgContainer
[2022-11-02 21:00:09,454 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 21:00:09,457 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 21:00:09,457 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 21:00:09,461 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-02 21:00:09,461 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:00:07" (1/3) ...
[2022-11-02 21:00:09,462 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ff1fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:00:09, skipping insertion in model container
[2022-11-02 21:00:09,462 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:07" (2/3) ...
[2022-11-02 21:00:09,462 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ff1fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:00:09, skipping insertion in model container
[2022-11-02 21:00:09,463 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:00:09" (3/3) ...
[2022-11-02 21:00:09,467 INFO  L112   eAbstractionObserver]: Analyzing ICFG safe005_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i
[2022-11-02 21:00:09,477 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-02 21:00:09,487 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 21:00:09,487 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2022-11-02 21:00:09,487 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-02 21:00:09,573 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-11-02 21:00:09,627 INFO  L115   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2022-11-02 21:00:09,646 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 118 transitions, 251 flow
[2022-11-02 21:00:09,652 INFO  L112        LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 118 transitions, 251 flow
[2022-11-02 21:00:09,654 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 126 places, 118 transitions, 251 flow
[2022-11-02 21:00:09,733 INFO  L130       PetriNetUnfolder]: 2/115 cut-off events.
[2022-11-02 21:00:09,733 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-02 21:00:09,737 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 125 conditions, 115 events. 2/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. 
[2022-11-02 21:00:09,741 INFO  L118        LiptonReduction]: Number of co-enabled transitions 2464
[2022-11-02 21:00:21,979 INFO  L133        LiptonReduction]: Checked pairs total: 7879
[2022-11-02 21:00:21,980 INFO  L135        LiptonReduction]: Total number of compositions: 104
[2022-11-02 21:00:22,000 INFO  L113   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 30 transitions, 75 flow
[2022-11-02 21:00:22,110 INFO  L135   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 1270 states, 1244 states have (on average 3.5418006430868165) internal successors, (4406), 1269 states have internal predecessors, (4406), 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 21:00:22,128 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 21:00:22,134 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;@2a5a6f1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 21:00:22,134 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2022-11-02 21:00:22,140 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 1270 states, 1244 states have (on average 3.5418006430868165) internal successors, (4406), 1269 states have internal predecessors, (4406), 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 21:00:22,145 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2022-11-02 21:00:22,145 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:22,146 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2022-11-02 21:00:22,146 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2022-11-02 21:00:22,151 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:22,151 INFO  L85        PathProgramCache]: Analyzing trace with hash 32558525, now seen corresponding path program 1 times
[2022-11-02 21:00:22,162 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:22,163 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917024887]
[2022-11-02 21:00:22,164 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:22,165 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:22,292 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:22,515 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 21:00:22,516 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:22,517 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917024887]
[2022-11-02 21:00:22,518 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917024887] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:22,519 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:22,519 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-02 21:00:22,521 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190310946]
[2022-11-02 21:00:22,523 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:22,527 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 21:00:22,529 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:22,554 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 21:00:22,554 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 21:00:22,561 INFO  L87              Difference]: Start difference. First operand  has 1270 states, 1244 states have (on average 3.5418006430868165) internal successors, (4406), 1269 states have internal predecessors, (4406), 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 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 21:00:22,724 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:22,724 INFO  L93              Difference]: Finished difference Result 702 states and 2017 transitions.
[2022-11-02 21:00:22,725 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 21:00:22,726 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4
[2022-11-02 21:00:22,727 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:22,752 INFO  L225             Difference]: With dead ends: 702
[2022-11-02 21:00:22,753 INFO  L226             Difference]: Without dead ends: 702
[2022-11-02 21:00:22,754 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 21:00:22,758 INFO  L413           NwaCegarLoop]: 5 mSDtfsCounter, 14 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:22,759 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 7 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 21:00:22,781 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 702 states.
[2022-11-02 21:00:22,859 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702.
[2022-11-02 21:00:22,862 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 702 states, 684 states have (on average 2.948830409356725) internal successors, (2017), 701 states have internal predecessors, (2017), 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 21:00:22,867 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 2017 transitions.
[2022-11-02 21:00:22,868 INFO  L78                 Accepts]: Start accepts. Automaton has 702 states and 2017 transitions. Word has length 4
[2022-11-02 21:00:22,868 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:22,868 INFO  L495      AbstractCegarLoop]: Abstraction has 702 states and 2017 transitions.
[2022-11-02 21:00:22,869 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 21:00:22,869 INFO  L276                IsEmpty]: Start isEmpty. Operand 702 states and 2017 transitions.
[2022-11-02 21:00:22,870 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2022-11-02 21:00:22,870 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:22,871 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:22,871 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 21:00:22,871 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2022-11-02 21:00:22,872 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:22,872 INFO  L85        PathProgramCache]: Analyzing trace with hash -1477371849, now seen corresponding path program 1 times
[2022-11-02 21:00:22,872 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:22,872 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125542403]
[2022-11-02 21:00:22,873 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:22,873 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:22,906 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:23,052 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 21:00:23,052 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:23,053 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125542403]
[2022-11-02 21:00:23,053 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125542403] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:23,053 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:23,053 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 21:00:23,053 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216225872]
[2022-11-02 21:00:23,054 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:23,055 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 21:00:23,055 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:23,056 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 21:00:23,056 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 21:00:23,056 INFO  L87              Difference]: Start difference. First operand 702 states and 2017 transitions. Second operand  has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 21:00:23,188 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:23,188 INFO  L93              Difference]: Finished difference Result 562 states and 1647 transitions.
[2022-11-02 21:00:23,192 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-11-02 21:00:23,193 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10
[2022-11-02 21:00:23,193 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:23,197 INFO  L225             Difference]: With dead ends: 562
[2022-11-02 21:00:23,197 INFO  L226             Difference]: Without dead ends: 562
[2022-11-02 21:00:23,198 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 21:00:23,199 INFO  L413           NwaCegarLoop]: 4 mSDtfsCounter, 27 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:23,200 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 8 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 21:00:23,202 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 562 states.
[2022-11-02 21:00:23,222 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 562.
[2022-11-02 21:00:23,224 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 562 states, 556 states have (on average 2.962230215827338) internal successors, (1647), 561 states have internal predecessors, (1647), 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 21:00:23,227 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 1647 transitions.
[2022-11-02 21:00:23,228 INFO  L78                 Accepts]: Start accepts. Automaton has 562 states and 1647 transitions. Word has length 10
[2022-11-02 21:00:23,228 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:23,228 INFO  L495      AbstractCegarLoop]: Abstraction has 562 states and 1647 transitions.
[2022-11-02 21:00:23,228 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 21:00:23,228 INFO  L276                IsEmpty]: Start isEmpty. Operand 562 states and 1647 transitions.
[2022-11-02 21:00:23,230 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-11-02 21:00:23,230 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:23,230 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:23,231 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 21:00:23,231 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2022-11-02 21:00:23,231 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:23,232 INFO  L85        PathProgramCache]: Analyzing trace with hash 1446111915, now seen corresponding path program 1 times
[2022-11-02 21:00:23,232 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:23,232 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918639184]
[2022-11-02 21:00:23,232 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:23,232 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:23,310 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:23,454 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 21:00:23,454 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:23,454 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918639184]
[2022-11-02 21:00:23,455 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918639184] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:23,455 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:23,455 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 21:00:23,455 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348487077]
[2022-11-02 21:00:23,455 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:23,456 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 21:00:23,456 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:23,456 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 21:00:23,457 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 21:00:23,457 INFO  L87              Difference]: Start difference. First operand 562 states and 1647 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 21:00:23,577 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:23,577 INFO  L93              Difference]: Finished difference Result 458 states and 1364 transitions.
[2022-11-02 21:00:23,578 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-11-02 21:00:23,578 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 21:00:23,578 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:23,582 INFO  L225             Difference]: With dead ends: 458
[2022-11-02 21:00:23,582 INFO  L226             Difference]: Without dead ends: 458
[2022-11-02 21:00:23,582 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 21:00:23,584 INFO  L413           NwaCegarLoop]: 5 mSDtfsCounter, 37 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:23,584 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 9 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 21:00:23,587 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 458 states.
[2022-11-02 21:00:23,601 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458.
[2022-11-02 21:00:23,603 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 458 states, 455 states have (on average 2.997802197802198) internal successors, (1364), 457 states have internal predecessors, (1364), 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 21:00:23,606 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 1364 transitions.
[2022-11-02 21:00:23,607 INFO  L78                 Accepts]: Start accepts. Automaton has 458 states and 1364 transitions. Word has length 11
[2022-11-02 21:00:23,607 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:23,607 INFO  L495      AbstractCegarLoop]: Abstraction has 458 states and 1364 transitions.
[2022-11-02 21:00:23,607 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 21:00:23,608 INFO  L276                IsEmpty]: Start isEmpty. Operand 458 states and 1364 transitions.
[2022-11-02 21:00:23,611 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2022-11-02 21:00:23,611 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:23,612 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:23,612 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 21:00:23,612 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2022-11-02 21:00:23,613 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:23,613 INFO  L85        PathProgramCache]: Analyzing trace with hash -1456603784, now seen corresponding path program 1 times
[2022-11-02 21:00:23,613 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:23,614 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000034414]
[2022-11-02 21:00:23,614 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:23,614 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:23,652 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:23,801 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 21:00:23,802 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:23,805 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000034414]
[2022-11-02 21:00:23,805 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000034414] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:23,806 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:23,806 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 21:00:23,807 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654141026]
[2022-11-02 21:00:23,809 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:23,809 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 21:00:23,809 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:23,810 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 21:00:23,812 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2022-11-02 21:00:23,812 INFO  L87              Difference]: Start difference. First operand 458 states and 1364 transitions. Second operand  has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 21:00:23,916 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:23,917 INFO  L93              Difference]: Finished difference Result 446 states and 1343 transitions.
[2022-11-02 21:00:23,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-11-02 21:00:23,917 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 17
[2022-11-02 21:00:23,917 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:23,918 INFO  L225             Difference]: With dead ends: 446
[2022-11-02 21:00:23,918 INFO  L226             Difference]: Without dead ends: 0
[2022-11-02 21:00:23,919 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 21:00:23,921 INFO  L413           NwaCegarLoop]: 2 mSDtfsCounter, 47 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:23,921 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 6 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 21:00:23,922 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 21:00:23,922 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 21:00:23,922 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 21:00:23,923 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 21:00:23,923 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17
[2022-11-02 21:00:23,923 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:23,923 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 21:00:23,923 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 21:00:23,923 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 21:00:23,924 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 21:00:23,926 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2022-11-02 21:00:23,927 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2022-11-02 21:00:23,927 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2022-11-02 21:00:23,927 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2022-11-02 21:00:23,927 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2022-11-02 21:00:23,928 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2022-11-02 21:00:23,928 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2022-11-02 21:00:23,928 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2022-11-02 21:00:23,928 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining)
[2022-11-02 21:00:23,928 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2022-11-02 21:00:23,929 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2022-11-02 21:00:23,929 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2022-11-02 21:00:23,929 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2022-11-02 21:00:23,929 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2022-11-02 21:00:23,929 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2022-11-02 21:00:23,930 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 21:00:23,932 INFO  L444         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2022-11-02 21:00:23,937 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-11-02 21:00:23,937 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 21:00:23,940 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:00:23 BasicIcfg
[2022-11-02 21:00:23,940 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 21:00:23,941 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 21:00:23,941 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-02 21:00:23,942 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-02 21:00:23,948 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:00:09" (3/4) ...
[2022-11-02 21:00:23,951 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-11-02 21:00:23,956 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2022-11-02 21:00:23,956 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2022-11-02 21:00:23,956 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2022-11-02 21:00:23,963 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges
[2022-11-02 21:00:23,963 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2022-11-02 21:00:23,964 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2022-11-02 21:00:23,964 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 21:00:24,015 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63e5911-8229-4bc5-91e2-4fee53308871/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 21:00:24,015 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 21:00:24,016 INFO  L158              Benchmark]: Toolchain (without parser) took 16688.49ms. Allocated memory was 121.6MB in the beginning and 220.2MB in the end (delta: 98.6MB). Free memory was 82.2MB in the beginning and 111.2MB in the end (delta: -29.0MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB.
[2022-11-02 21:00:24,016 INFO  L158              Benchmark]: CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 21:00:24,016 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 589.08ms. Allocated memory is still 121.6MB. Free memory was 81.9MB in the beginning and 83.6MB in the end (delta: -1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 21:00:24,017 INFO  L158              Benchmark]: Boogie Procedure Inliner took 84.80ms. Allocated memory is still 121.6MB. Free memory was 83.6MB in the beginning and 81.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 21:00:24,017 INFO  L158              Benchmark]: Boogie Preprocessor took 68.14ms. Allocated memory is still 121.6MB. Free memory was 81.1MB in the beginning and 78.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 21:00:24,017 INFO  L158              Benchmark]: RCFGBuilder took 1377.27ms. Allocated memory is still 121.6MB. Free memory was 78.7MB in the beginning and 79.1MB in the end (delta: -351.1kB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB.
[2022-11-02 21:00:24,018 INFO  L158              Benchmark]: TraceAbstraction took 14483.59ms. Allocated memory was 121.6MB in the beginning and 220.2MB in the end (delta: 98.6MB). Free memory was 78.3MB in the beginning and 114.3MB in the end (delta: -36.1MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB.
[2022-11-02 21:00:24,018 INFO  L158              Benchmark]: Witness Printer took 74.05ms. Allocated memory is still 220.2MB. Free memory was 114.3MB in the beginning and 111.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 21:00:24,020 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 589.08ms. Allocated memory is still 121.6MB. Free memory was 81.9MB in the beginning and 83.6MB in the end (delta: -1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 84.80ms. Allocated memory is still 121.6MB. Free memory was 83.6MB in the beginning and 81.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 68.14ms. Allocated memory is still 121.6MB. Free memory was 81.1MB in the beginning and 78.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1377.27ms. Allocated memory is still 121.6MB. Free memory was 78.7MB in the beginning and 79.1MB in the end (delta: -351.1kB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB.
 * TraceAbstraction took 14483.59ms. Allocated memory was 121.6MB in the beginning and 220.2MB in the end (delta: 98.6MB). Free memory was 78.3MB in the beginning and 114.3MB in the end (delta: -36.1MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB.
 * Witness Printer took 74.05ms. Allocated memory is still 220.2MB. Free memory was 114.3MB in the beginning and 111.2MB in the end (delta: 3.1MB). 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: 12.3s, 126 PlacesBefore, 39 PlacesAfterwards, 118 TransitionsBefore, 30 TransitionsAfterwards, 2464 CoEnabledTransitionPairs, 7 FixpointIterations, 41 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 104 TotalNumberOfCompositions, 7879 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2901, positive: 2661, positive conditional: 0, positive unconditional: 2661, negative: 240, negative conditional: 0, negative unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1591, positive: 1538, positive conditional: 0, positive unconditional: 1538, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1591, positive: 1497, positive conditional: 0, positive unconditional: 1497, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 94, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 866, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 757, negative conditional: 0, negative unconditional: 757, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 2901, positive: 1123, positive conditional: 0, positive unconditional: 1123, negative: 187, negative conditional: 0, negative unconditional: 187, unknown: 1591, unknown conditional: 0, unknown unconditional: 1591] , Statistics on independence cache: Total cache size (in pairs): 164, Positive cache size: 131, Positive conditional cache size: 0, Positive unconditional cache size: 131, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33
  - 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: 767]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 767]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 796]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 796]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 816]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 816]: 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 7 procedures, 149 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 14.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 125 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 95 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 216 IncrementalHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 16 mSDtfsCounter, 216 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1270occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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
    6 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-11-02 21:00:24,083 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63e5911-8229-4bc5-91e2-4fee53308871/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