./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_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_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/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_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/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_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/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 ad7a565ad4ebe037ce541fa36cdf85746d072cc2b5132ab8ae2e3025ff70fea5
--- 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 20:29:46,936 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:29:46,938 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:29:46,999 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:29:47,000 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:29:47,005 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:29:47,007 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:29:47,009 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:29:47,010 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:29:47,011 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:29:47,013 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:29:47,014 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:29:47,015 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:29:47,016 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:29:47,017 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:29:47,019 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:29:47,020 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:29:47,021 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:29:47,023 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:29:47,025 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:29:47,027 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:29:47,034 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:29:47,042 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:29:47,043 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:29:47,048 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:29:47,053 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:29:47,053 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:29:47,054 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:29:47,055 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:29:47,058 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:29:47,058 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:29:47,059 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:29:47,061 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:29:47,062 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:29:47,064 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:29:47,065 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:29:47,066 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:29:47,067 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:29:47,068 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:29:47,069 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:29:47,069 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:29:47,072 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2022-11-02 20:29:47,098 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-02 20:29:47,098 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:29:47,099 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:29:47,099 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:29:47,100 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:29:47,100 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:29:47,101 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:29:47,101 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-02 20:29:47,101 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-02 20:29:47,102 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:29:47,102 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-02 20:29:47,102 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 20:29:47,103 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-02 20:29:47,103 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-02 20:29:47,103 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-02 20:29:47,103 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:29:47,104 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:29:47,104 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:29:47,104 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2022-11-02 20:29:47,105 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-02 20:29:47,105 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-02 20:29:47,105 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-02 20:29:47,105 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:29:47,106 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:29:47,106 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-02 20:29:47,106 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-02 20:29:47,106 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:29:47,107 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:29:47,107 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:29:47,107 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:29:47,108 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-02 20:29:47,108 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:29:47,108 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:29:47,109 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_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/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_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/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 -> ad7a565ad4ebe037ce541fa36cdf85746d072cc2b5132ab8ae2e3025ff70fea5
[2022-11-02 20:29:47,426 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:29:47,467 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:29:47,470 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:29:47,472 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-02 20:29:47,474 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-02 20:29:47,475 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i
[2022-11-02 20:29:47,574 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/bin/uautomizer-Dbtcem3rbc/data/1a89233ab/1dd8ed006a404118addb16baf7d9e8c2/FLAG667563159
[2022-11-02 20:29:48,254 INFO  L306              CDTParser]: Found 1 translation units.
[2022-11-02 20:29:48,255 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i
[2022-11-02 20:29:48,272 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/bin/uautomizer-Dbtcem3rbc/data/1a89233ab/1dd8ed006a404118addb16baf7d9e8c2/FLAG667563159
[2022-11-02 20:29:48,489 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/bin/uautomizer-Dbtcem3rbc/data/1a89233ab/1dd8ed006a404118addb16baf7d9e8c2
[2022-11-02 20:29:48,493 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:29:48,498 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:29:48,500 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:29:48,500 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:29:48,504 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:29:48,506 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:29:48" (1/1) ...
[2022-11-02 20:29:48,509 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@579b7099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:48, skipping insertion in model container
[2022-11-02 20:29:48,509 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:29:48" (1/1) ...
[2022-11-02 20:29:48,520 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-02 20:29:48,587 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:29:48,871 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_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i[967,980]
[2022-11-02 20:29:49,236 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:29:49,248 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-02 20:29:49,266 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_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i[967,980]
[2022-11-02 20:29:49,357 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:29:49,415 INFO  L208         MainTranslator]: Completed translation
[2022-11-02 20:29:49,416 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:49 WrapperNode
[2022-11-02 20:29:49,416 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:29:49,418 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:29:49,418 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:29:49,418 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:29:49,427 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:49" (1/1) ...
[2022-11-02 20:29:49,464 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:49" (1/1) ...
[2022-11-02 20:29:49,517 INFO  L138                Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 276
[2022-11-02 20:29:49,518 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:29:49,519 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:29:49,519 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:29:49,519 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:29:49,531 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:49" (1/1) ...
[2022-11-02 20:29:49,531 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:49" (1/1) ...
[2022-11-02 20:29:49,535 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:49" (1/1) ...
[2022-11-02 20:29:49,536 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:49" (1/1) ...
[2022-11-02 20:29:49,545 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:49" (1/1) ...
[2022-11-02 20:29:49,549 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:49" (1/1) ...
[2022-11-02 20:29:49,552 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:49" (1/1) ...
[2022-11-02 20:29:49,554 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:49" (1/1) ...
[2022-11-02 20:29:49,558 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:29:49,559 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:29:49,560 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:29:49,560 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:29:49,561 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:49" (1/1) ...
[2022-11-02 20:29:49,569 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:29:49,592 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:29:49,612 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:29:49,625 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:29:49,669 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 20:29:49,669 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-11-02 20:29:49,669 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:29:49,670 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 20:29:49,670 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 20:29:49,670 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2022-11-02 20:29:49,670 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2022-11-02 20:29:49,671 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2022-11-02 20:29:49,671 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2022-11-02 20:29:49,671 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2022-11-02 20:29:49,671 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2022-11-02 20:29:49,672 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:29:49,672 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-11-02 20:29:49,672 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:29:49,672 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:29:49,674 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 20:29:49,878 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-02 20:29:49,880 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:29:50,657 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-02 20:29:51,191 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:29:51,191 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-02 20:29:51,194 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:29:51 BoogieIcfgContainer
[2022-11-02 20:29:51,194 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:29:51,197 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:29:51,197 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:29:51,201 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:29:51,201 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:29:48" (1/3) ...
[2022-11-02 20:29:51,202 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ef6848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:29:51, skipping insertion in model container
[2022-11-02 20:29:51,202 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:49" (2/3) ...
[2022-11-02 20:29:51,203 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ef6848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:29:51, skipping insertion in model container
[2022-11-02 20:29:51,203 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:29:51" (3/3) ...
[2022-11-02 20:29:51,204 INFO  L112   eAbstractionObserver]: Analyzing ICFG safe004_power.opt_pso.opt_rmo.opt.i
[2022-11-02 20:29:51,214 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-02 20:29:51,225 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:29:51,225 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2022-11-02 20:29:51,226 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-02 20:29:51,330 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-11-02 20:29:51,386 INFO  L115   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2022-11-02 20:29:51,402 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 118 transitions, 251 flow
[2022-11-02 20:29:51,405 INFO  L112        LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 118 transitions, 251 flow
[2022-11-02 20:29:51,406 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 126 places, 118 transitions, 251 flow
[2022-11-02 20:29:51,461 INFO  L130       PetriNetUnfolder]: 2/115 cut-off events.
[2022-11-02 20:29:51,462 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-02 20:29:51,466 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 69 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. 
[2022-11-02 20:29:51,468 INFO  L118        LiptonReduction]: Number of co-enabled transitions 2592
[2022-11-02 20:30:15,718 INFO  L133        LiptonReduction]: Checked pairs total: 8498
[2022-11-02 20:30:15,718 INFO  L135        LiptonReduction]: Total number of compositions: 102
[2022-11-02 20:30:15,730 INFO  L113   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 31 transitions, 77 flow
[2022-11-02 20:30:15,903 INFO  L135   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 1482 states, 1456 states have (on average 3.556318681318681) internal successors, (5178), 1481 states have internal predecessors, (5178), 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 20:30:15,925 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:30:15,932 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;@46e41f19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:30:15,932 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2022-11-02 20:30:15,940 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 1482 states, 1456 states have (on average 3.556318681318681) internal successors, (5178), 1481 states have internal predecessors, (5178), 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 20:30:15,946 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-11-02 20:30:15,946 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:30:15,947 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-11-02 20:30:15,948 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 20:30:15,955 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:30:15,956 INFO  L85        PathProgramCache]: Analyzing trace with hash 1096159920, now seen corresponding path program 1 times
[2022-11-02 20:30:15,968 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:30:15,969 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984421562]
[2022-11-02 20:30:15,969 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:30:15,970 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:30:16,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:30:16,416 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 20:30:16,417 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:30:16,417 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984421562]
[2022-11-02 20:30:16,418 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984421562] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:30:16,419 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:30:16,419 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-02 20:30:16,421 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092926621]
[2022-11-02 20:30:16,422 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:30:16,428 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:30:16,430 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:30:16,464 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:30:16,464 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:30:16,473 INFO  L87              Difference]: Start difference. First operand  has 1482 states, 1456 states have (on average 3.556318681318681) internal successors, (5178), 1481 states have internal predecessors, (5178), 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 20:30:16,698 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:30:16,699 INFO  L93              Difference]: Finished difference Result 830 states and 2428 transitions.
[2022-11-02 20:30:16,700 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:30:16,701 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 20:30:16,702 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:30:16,733 INFO  L225             Difference]: With dead ends: 830
[2022-11-02 20:30:16,733 INFO  L226             Difference]: Without dead ends: 830
[2022-11-02 20:30:16,734 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 20:30:16,738 INFO  L413           NwaCegarLoop]: 6 mSDtfsCounter, 14 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 20:30:16,739 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 9 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 20:30:16,760 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 830 states.
[2022-11-02 20:30:16,821 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 830.
[2022-11-02 20:30:16,825 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 830 states, 812 states have (on average 2.9901477832512313) internal successors, (2428), 829 states have internal predecessors, (2428), 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 20:30:16,834 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 2428 transitions.
[2022-11-02 20:30:16,836 INFO  L78                 Accepts]: Start accepts. Automaton has 830 states and 2428 transitions. Word has length 5
[2022-11-02 20:30:16,836 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:30:16,837 INFO  L495      AbstractCegarLoop]: Abstraction has 830 states and 2428 transitions.
[2022-11-02 20:30:16,837 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 20:30:16,837 INFO  L276                IsEmpty]: Start isEmpty. Operand 830 states and 2428 transitions.
[2022-11-02 20:30:16,839 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-11-02 20:30:16,839 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:30:16,839 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:30:16,840 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:30:16,840 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 20:30:16,841 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:30:16,841 INFO  L85        PathProgramCache]: Analyzing trace with hash -496541529, now seen corresponding path program 1 times
[2022-11-02 20:30:16,841 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:30:16,842 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194715587]
[2022-11-02 20:30:16,842 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:30:16,842 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:30:16,879 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:30:17,100 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 20:30:17,121 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:30:17,121 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194715587]
[2022-11-02 20:30:17,122 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194715587] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:30:17,122 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:30:17,122 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:30:17,122 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003041108]
[2022-11-02 20:30:17,123 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:30:17,124 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:30:17,124 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:30:17,125 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:30:17,125 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:30:17,126 INFO  L87              Difference]: Start difference. First operand 830 states and 2428 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 20:30:17,279 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:30:17,279 INFO  L93              Difference]: Finished difference Result 682 states and 2036 transitions.
[2022-11-02 20:30:17,280 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-11-02 20:30:17,280 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 20:30:17,281 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:30:17,286 INFO  L225             Difference]: With dead ends: 682
[2022-11-02 20:30:17,287 INFO  L226             Difference]: Without dead ends: 682
[2022-11-02 20:30:17,287 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 20:30:17,289 INFO  L413           NwaCegarLoop]: 6 mSDtfsCounter, 28 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 12 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 20:30:17,290 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 12 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:30:17,293 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 682 states.
[2022-11-02 20:30:17,320 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682.
[2022-11-02 20:30:17,322 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 682 states, 676 states have (on average 3.0118343195266273) internal successors, (2036), 681 states have internal predecessors, (2036), 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 20:30:17,328 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 2036 transitions.
[2022-11-02 20:30:17,329 INFO  L78                 Accepts]: Start accepts. Automaton has 682 states and 2036 transitions. Word has length 11
[2022-11-02 20:30:17,329 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:30:17,329 INFO  L495      AbstractCegarLoop]: Abstraction has 682 states and 2036 transitions.
[2022-11-02 20:30:17,329 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 20:30:17,330 INFO  L276                IsEmpty]: Start isEmpty. Operand 682 states and 2036 transitions.
[2022-11-02 20:30:17,332 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2022-11-02 20:30:17,332 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:30:17,332 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:30:17,333 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:30:17,333 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 20:30:17,334 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:30:17,334 INFO  L85        PathProgramCache]: Analyzing trace with hash 1787080453, now seen corresponding path program 1 times
[2022-11-02 20:30:17,334 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:30:17,334 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584911869]
[2022-11-02 20:30:17,335 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:30:17,335 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:30:17,366 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:30:17,468 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 20:30:17,468 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:30:17,469 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584911869]
[2022-11-02 20:30:17,469 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584911869] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:30:17,469 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:30:17,469 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:30:17,470 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710075039]
[2022-11-02 20:30:17,470 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:30:17,470 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:30:17,470 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:30:17,471 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:30:17,471 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:30:17,471 INFO  L87              Difference]: Start difference. First operand 682 states and 2036 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 20:30:17,671 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:30:17,672 INFO  L93              Difference]: Finished difference Result 570 states and 1731 transitions.
[2022-11-02 20:30:17,672 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-11-02 20:30:17,672 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 20:30:17,673 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:30:17,677 INFO  L225             Difference]: With dead ends: 570
[2022-11-02 20:30:17,677 INFO  L226             Difference]: Without dead ends: 570
[2022-11-02 20:30:17,678 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 20:30:17,682 INFO  L413           NwaCegarLoop]: 6 mSDtfsCounter, 39 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 12 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 20:30:17,683 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 12 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:30:17,686 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 570 states.
[2022-11-02 20:30:17,708 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570.
[2022-11-02 20:30:17,710 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 570 states, 567 states have (on average 3.052910052910053) internal successors, (1731), 569 states have internal predecessors, (1731), 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 20:30:17,714 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 1731 transitions.
[2022-11-02 20:30:17,714 INFO  L78                 Accepts]: Start accepts. Automaton has 570 states and 1731 transitions. Word has length 12
[2022-11-02 20:30:17,715 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:30:17,715 INFO  L495      AbstractCegarLoop]: Abstraction has 570 states and 1731 transitions.
[2022-11-02 20:30:17,716 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 20:30:17,716 INFO  L276                IsEmpty]: Start isEmpty. Operand 570 states and 1731 transitions.
[2022-11-02 20:30:17,725 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2022-11-02 20:30:17,726 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:30:17,726 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 20:30:17,727 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 20:30:17,727 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2022-11-02 20:30:17,729 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:30:17,730 INFO  L85        PathProgramCache]: Analyzing trace with hash 1734668508, now seen corresponding path program 1 times
[2022-11-02 20:30:17,730 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:30:17,730 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714769211]
[2022-11-02 20:30:17,730 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:30:17,731 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:30:17,798 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:30:17,953 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 20:30:17,954 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:30:17,954 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714769211]
[2022-11-02 20:30:17,955 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714769211] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:30:17,955 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:30:17,955 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:30:17,955 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962099438]
[2022-11-02 20:30:17,956 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:30:17,956 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:30:17,956 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:30:17,957 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:30:17,957 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:30:17,958 INFO  L87              Difference]: Start difference. First operand 570 states and 1731 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 20:30:18,111 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:30:18,111 INFO  L93              Difference]: Finished difference Result 558 states and 1710 transitions.
[2022-11-02 20:30:18,112 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-11-02 20:30:18,113 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 20:30:18,113 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:30:18,113 INFO  L225             Difference]: With dead ends: 558
[2022-11-02 20:30:18,113 INFO  L226             Difference]: Without dead ends: 0
[2022-11-02 20:30:18,114 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 20:30:18,115 INFO  L413           NwaCegarLoop]: 3 mSDtfsCounter, 45 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 9 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 20:30:18,115 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 9 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:30:18,116 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 20:30:18,116 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 20:30:18,116 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 20:30:18,117 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 20:30:18,119 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18
[2022-11-02 20:30:18,120 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:30:18,121 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:30:18,121 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 20:30:18,122 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 20:30:18,122 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 20:30:18,125 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2022-11-02 20:30:18,127 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2022-11-02 20:30:18,128 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2022-11-02 20:30:18,128 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2022-11-02 20:30:18,128 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2022-11-02 20:30:18,130 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2022-11-02 20:30:18,131 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2022-11-02 20:30:18,131 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2022-11-02 20:30:18,132 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining)
[2022-11-02 20:30:18,133 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2022-11-02 20:30:18,133 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2022-11-02 20:30:18,134 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2022-11-02 20:30:18,134 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2022-11-02 20:30:18,135 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2022-11-02 20:30:18,135 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2022-11-02 20:30:18,139 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 20:30:18,143 INFO  L444         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2022-11-02 20:30:18,150 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-11-02 20:30:18,150 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:30:18,156 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:30:18 BasicIcfg
[2022-11-02 20:30:18,157 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:30:18,158 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:30:18,158 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:30:18,158 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-02 20:30:18,166 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:29:51" (3/4) ...
[2022-11-02 20:30:18,171 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:30:18,178 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2022-11-02 20:30:18,178 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2022-11-02 20:30:18,179 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2022-11-02 20:30:18,188 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 118 nodes and edges
[2022-11-02 20:30:18,189 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges
[2022-11-02 20:30:18,190 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2022-11-02 20:30:18,190 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:30:18,265 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:30:18,265 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:30:18,266 INFO  L158              Benchmark]: Toolchain (without parser) took 29768.29ms. Allocated memory was 111.1MB in the beginning and 180.4MB in the end (delta: 69.2MB). Free memory was 74.4MB in the beginning and 83.9MB in the end (delta: -9.5MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB.
[2022-11-02 20:30:18,266 INFO  L158              Benchmark]: CDTParser took 18.55ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 62.0MB in the beginning and 92.8MB in the end (delta: -30.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:30:18,267 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 917.54ms. Allocated memory is still 111.1MB. Free memory was 74.2MB in the beginning and 73.8MB in the end (delta: 371.2kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:30:18,267 INFO  L158              Benchmark]: Boogie Procedure Inliner took 100.49ms. Allocated memory is still 111.1MB. Free memory was 73.4MB in the beginning and 70.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:30:18,268 INFO  L158              Benchmark]: Boogie Preprocessor took 39.61ms. Allocated memory is still 111.1MB. Free memory was 70.7MB in the beginning and 68.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:30:18,268 INFO  L158              Benchmark]: RCFGBuilder took 1635.19ms. Allocated memory is still 111.1MB. Free memory was 68.2MB in the beginning and 45.7MB in the end (delta: 22.5MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB.
[2022-11-02 20:30:18,269 INFO  L158              Benchmark]: TraceAbstraction took 26960.29ms. Allocated memory was 111.1MB in the beginning and 180.4MB in the end (delta: 69.2MB). Free memory was 45.1MB in the beginning and 89.1MB in the end (delta: -44.1MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB.
[2022-11-02 20:30:18,269 INFO  L158              Benchmark]: Witness Printer took 107.27ms. Allocated memory is still 180.4MB. Free memory was 89.1MB in the beginning and 83.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2022-11-02 20:30:18,271 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 18.55ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 62.0MB in the beginning and 92.8MB in the end (delta: -30.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 917.54ms. Allocated memory is still 111.1MB. Free memory was 74.2MB in the beginning and 73.8MB in the end (delta: 371.2kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 100.49ms. Allocated memory is still 111.1MB. Free memory was 73.4MB in the beginning and 70.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 39.61ms. Allocated memory is still 111.1MB. Free memory was 70.7MB in the beginning and 68.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1635.19ms. Allocated memory is still 111.1MB. Free memory was 68.2MB in the beginning and 45.7MB in the end (delta: 22.5MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB.
 * TraceAbstraction took 26960.29ms. Allocated memory was 111.1MB in the beginning and 180.4MB in the end (delta: 69.2MB). Free memory was 45.1MB in the beginning and 89.1MB in the end (delta: -44.1MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB.
 * Witness Printer took 107.27ms. Allocated memory is still 180.4MB. Free memory was 89.1MB in the beginning and 83.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 24.3s, 126 PlacesBefore, 40 PlacesAfterwards, 118 TransitionsBefore, 31 TransitionsAfterwards, 2592 CoEnabledTransitionPairs, 7 FixpointIterations, 40 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 102 TotalNumberOfCompositions, 8498 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3457, positive: 3202, positive conditional: 0, positive unconditional: 3202, negative: 255, negative conditional: 0, negative unconditional: 255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1822, positive: 1763, positive conditional: 0, positive unconditional: 1763, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1822, positive: 1722, positive conditional: 0, positive unconditional: 1722, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1018, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 942, negative conditional: 0, negative unconditional: 942, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 3457, positive: 1439, positive conditional: 0, positive unconditional: 1439, negative: 196, negative conditional: 0, negative unconditional: 196, unknown: 1822, unknown conditional: 0, unknown unconditional: 1822] , Statistics on independence cache: Total cache size (in pairs): 128, Positive cache size: 102, Positive conditional cache size: 0, Positive unconditional cache size: 102, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26
  - 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: 754]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 754]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 783]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 783]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 803]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 803]: 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, 150 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 26.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 24.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 126 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 126 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 216 IncrementalHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 21 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=1482occurred 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: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 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 20:30:18,332 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643bfd6c-ba73-40ce-8a60-2ba70e4beccc/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