./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.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_c3a511a6-1ca5-4456-81e8-cde044242a54/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a511a6-1ca5-4456-81e8-cde044242a54/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_c3a511a6-1ca5-4456-81e8-cde044242a54/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a511a6-1ca5-4456-81e8-cde044242a54/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a511a6-1ca5-4456-81e8-cde044242a54/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_c3a511a6-1ca5-4456-81e8-cde044242a54/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 e02ca79ae11b312cb156178ccd52c5da7b51884a938996d16b5a625457869bce
--- 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 20:34:44,579 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:34:44,581 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:34:44,610 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:34:44,610 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:34:44,611 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:34:44,613 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:34:44,614 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:34:44,621 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:34:44,622 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:34:44,623 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:34:44,625 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:34:44,625 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:34:44,626 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:34:44,627 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:34:44,628 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:34:44,629 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:34:44,630 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:34:44,632 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:34:44,641 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:34:44,642 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:34:44,648 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:34:44,649 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:34:44,650 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:34:44,654 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:34:44,654 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:34:44,654 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:34:44,655 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:34:44,656 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:34:44,657 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:34:44,657 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:34:44,658 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:34:44,667 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:34:44,668 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:34:44,671 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:34:44,671 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:34:44,672 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:34:44,672 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:34:44,672 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:34:44,674 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:34:44,674 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:34:44,675 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a511a6-1ca5-4456-81e8-cde044242a54/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2022-11-02 20:34:44,720 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-02 20:34:44,721 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:34:44,722 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:34:44,722 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:34:44,723 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:34:44,723 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:34:44,724 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:34:44,724 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-02 20:34:44,724 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-02 20:34:44,724 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:34:44,725 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-02 20:34:44,726 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 20:34:44,726 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-02 20:34:44,726 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-02 20:34:44,726 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-02 20:34:44,726 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:34:44,727 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:34:44,727 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:34:44,727 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2022-11-02 20:34:44,727 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-02 20:34:44,728 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-02 20:34:44,728 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-02 20:34:44,728 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:34:44,728 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:34:44,728 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-02 20:34:44,729 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-02 20:34:44,729 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:34:44,729 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:34:44,729 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:34:44,730 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:34:44,730 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-02 20:34:44,730 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:34:44,730 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:34:44,731 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_c3a511a6-1ca5-4456-81e8-cde044242a54/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_c3a511a6-1ca5-4456-81e8-cde044242a54/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 -> e02ca79ae11b312cb156178ccd52c5da7b51884a938996d16b5a625457869bce
[2022-11-02 20:34:45,068 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:34:45,103 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:34:45,106 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:34:45,108 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-02 20:34:45,108 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-02 20:34:45,110 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a511a6-1ca5-4456-81e8-cde044242a54/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2022-11-02 20:34:45,194 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a511a6-1ca5-4456-81e8-cde044242a54/bin/uautomizer-Dbtcem3rbc/data/255c6ee18/f66087fdc5924d42a4129bf69bbda3d6/FLAG151854b1a
[2022-11-02 20:34:45,905 INFO  L306              CDTParser]: Found 1 translation units.
[2022-11-02 20:34:45,914 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a511a6-1ca5-4456-81e8-cde044242a54/sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2022-11-02 20:34:45,941 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a511a6-1ca5-4456-81e8-cde044242a54/bin/uautomizer-Dbtcem3rbc/data/255c6ee18/f66087fdc5924d42a4129bf69bbda3d6/FLAG151854b1a
[2022-11-02 20:34:46,199 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a511a6-1ca5-4456-81e8-cde044242a54/bin/uautomizer-Dbtcem3rbc/data/255c6ee18/f66087fdc5924d42a4129bf69bbda3d6
[2022-11-02 20:34:46,202 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:34:46,203 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:34:46,205 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:34:46,205 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:34:46,213 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:34:46,214 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:34:46" (1/1) ...
[2022-11-02 20:34:46,224 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32474af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:46, skipping insertion in model container
[2022-11-02 20:34:46,224 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:34:46" (1/1) ...
[2022-11-02 20:34:46,243 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-02 20:34:46,291 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:34:46,516 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_c3a511a6-1ca5-4456-81e8-cde044242a54/sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988]
[2022-11-02 20:34:46,758 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:34:46,769 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-02 20:34:46,785 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_c3a511a6-1ca5-4456-81e8-cde044242a54/sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988]
[2022-11-02 20:34:46,835 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:34:46,871 INFO  L208         MainTranslator]: Completed translation
[2022-11-02 20:34:46,871 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:46 WrapperNode
[2022-11-02 20:34:46,872 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:34:46,873 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:34:46,873 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:34:46,873 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:34:46,882 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:46" (1/1) ...
[2022-11-02 20:34:46,908 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:46" (1/1) ...
[2022-11-02 20:34:46,943 INFO  L138                Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70
[2022-11-02 20:34:46,944 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:34:46,946 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:34:46,946 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:34:46,946 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:34:46,956 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:46" (1/1) ...
[2022-11-02 20:34:46,957 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:46" (1/1) ...
[2022-11-02 20:34:46,975 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:46" (1/1) ...
[2022-11-02 20:34:46,976 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:46" (1/1) ...
[2022-11-02 20:34:46,980 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:46" (1/1) ...
[2022-11-02 20:34:46,982 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:46" (1/1) ...
[2022-11-02 20:34:46,984 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:46" (1/1) ...
[2022-11-02 20:34:46,985 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:46" (1/1) ...
[2022-11-02 20:34:46,987 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:34:46,988 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:34:46,988 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:34:46,988 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:34:47,002 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:46" (1/1) ...
[2022-11-02 20:34:47,022 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:34:47,036 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a511a6-1ca5-4456-81e8-cde044242a54/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:34:47,055 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a511a6-1ca5-4456-81e8-cde044242a54/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:34:47,090 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a511a6-1ca5-4456-81e8-cde044242a54/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:34:47,118 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 20:34:47,118 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-11-02 20:34:47,118 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:34:47,118 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 20:34:47,119 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 20:34:47,119 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2022-11-02 20:34:47,119 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2022-11-02 20:34:47,119 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2022-11-02 20:34:47,121 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2022-11-02 20:34:47,121 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2022-11-02 20:34:47,121 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2022-11-02 20:34:47,121 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:34:47,122 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-11-02 20:34:47,122 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:34:47,122 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:34:47,124 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 20:34:47,324 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-02 20:34:47,327 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:34:47,582 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-02 20:34:47,634 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:34:47,634 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-02 20:34:47,637 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:34:47 BoogieIcfgContainer
[2022-11-02 20:34:47,638 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:34:47,640 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:34:47,640 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:34:47,644 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:34:47,645 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:34:46" (1/3) ...
[2022-11-02 20:34:47,646 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c163d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:34:47, skipping insertion in model container
[2022-11-02 20:34:47,646 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:46" (2/3) ...
[2022-11-02 20:34:47,646 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c163d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:34:47, skipping insertion in model container
[2022-11-02 20:34:47,647 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:34:47" (3/3) ...
[2022-11-02 20:34:47,648 INFO  L112   eAbstractionObserver]: Analyzing ICFG safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2022-11-02 20:34:47,659 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-02 20:34:47,671 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:34:47,671 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2022-11-02 20:34:47,672 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-02 20:34:47,754 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-11-02 20:34:47,798 INFO  L115   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2022-11-02 20:34:47,820 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 95 transitions, 205 flow
[2022-11-02 20:34:47,833 INFO  L112        LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 95 transitions, 205 flow
[2022-11-02 20:34:47,835 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 103 places, 95 transitions, 205 flow
[2022-11-02 20:34:47,935 INFO  L130       PetriNetUnfolder]: 2/92 cut-off events.
[2022-11-02 20:34:47,936 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-02 20:34:47,943 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 102 conditions, 92 events. 2/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. 
[2022-11-02 20:34:47,947 INFO  L118        LiptonReduction]: Number of co-enabled transitions 2114
[2022-11-02 20:34:51,410 INFO  L133        LiptonReduction]: Checked pairs total: 5133
[2022-11-02 20:34:51,410 INFO  L135        LiptonReduction]: Total number of compositions: 83
[2022-11-02 20:34:51,425 INFO  L113   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 25 transitions, 65 flow
[2022-11-02 20:34:51,529 INFO  L135   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 623 states, 597 states have (on average 3.1775544388609713) internal successors, (1897), 622 states have internal predecessors, (1897), 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 20:34:51,552 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:34:51,561 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;@1d26dd43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:34:51,562 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2022-11-02 20:34:51,565 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 623 states, 597 states have (on average 3.1775544388609713) internal successors, (1897), 622 states have internal predecessors, (1897), 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 20:34:51,573 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2022-11-02 20:34:51,573 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:34:51,578 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2022-11-02 20:34:51,579 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 20:34:51,589 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:34:51,589 INFO  L85        PathProgramCache]: Analyzing trace with hash 10573103, now seen corresponding path program 1 times
[2022-11-02 20:34:51,602 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:34:51,602 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66473666]
[2022-11-02 20:34:51,603 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:34:51,604 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:34:51,738 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:34:51,907 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 20:34:51,907 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:34:51,908 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66473666]
[2022-11-02 20:34:51,908 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66473666] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:34:51,909 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:34:51,909 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-02 20:34:51,910 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257473329]
[2022-11-02 20:34:51,911 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:34:51,915 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:34:51,915 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:34:51,937 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:34:51,937 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:34:51,941 INFO  L87              Difference]: Start difference. First operand  has 623 states, 597 states have (on average 3.1775544388609713) internal successors, (1897), 622 states have internal predecessors, (1897), 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 20:34:52,008 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:34:52,009 INFO  L93              Difference]: Finished difference Result 359 states and 1044 transitions.
[2022-11-02 20:34:52,015 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:34:52,017 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 20:34:52,017 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:34:52,034 INFO  L225             Difference]: With dead ends: 359
[2022-11-02 20:34:52,034 INFO  L226             Difference]: Without dead ends: 359
[2022-11-02 20:34:52,035 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 20:34:52,039 INFO  L413           NwaCegarLoop]: 2 mSDtfsCounter, 13 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:34:52,041 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:34:52,059 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 359 states.
[2022-11-02 20:34:52,120 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359.
[2022-11-02 20:34:52,123 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 359 states, 352 states have (on average 2.965909090909091) internal successors, (1044), 358 states have internal predecessors, (1044), 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 20:34:52,131 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 1044 transitions.
[2022-11-02 20:34:52,134 INFO  L78                 Accepts]: Start accepts. Automaton has 359 states and 1044 transitions. Word has length 4
[2022-11-02 20:34:52,134 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:34:52,134 INFO  L495      AbstractCegarLoop]: Abstraction has 359 states and 1044 transitions.
[2022-11-02 20:34:52,134 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 20:34:52,135 INFO  L276                IsEmpty]: Start isEmpty. Operand 359 states and 1044 transitions.
[2022-11-02 20:34:52,136 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-11-02 20:34:52,136 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:34:52,136 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-11-02 20:34:52,137 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:34:52,137 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2022-11-02 20:34:52,138 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:34:52,138 INFO  L85        PathProgramCache]: Analyzing trace with hash 327765477, now seen corresponding path program 1 times
[2022-11-02 20:34:52,138 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:34:52,141 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641447091]
[2022-11-02 20:34:52,142 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:34:52,143 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:34:52,164 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:34:52,214 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 20:34:52,214 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:34:52,214 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641447091]
[2022-11-02 20:34:52,214 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641447091] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:34:52,215 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:34:52,215 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-02 20:34:52,215 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323559899]
[2022-11-02 20:34:52,215 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:34:52,216 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:34:52,217 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:34:52,217 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:34:52,217 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:34:52,217 INFO  L87              Difference]: Start difference. First operand 359 states and 1044 transitions. 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 20:34:52,274 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:34:52,277 INFO  L93              Difference]: Finished difference Result 253 states and 668 transitions.
[2022-11-02 20:34:52,278 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:34:52,278 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 20:34:52,279 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:34:52,280 INFO  L225             Difference]: With dead ends: 253
[2022-11-02 20:34:52,283 INFO  L226             Difference]: Without dead ends: 253
[2022-11-02 20:34:52,283 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 20:34:52,285 INFO  L413           NwaCegarLoop]: 5 mSDtfsCounter, 9 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:34:52,286 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 7 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:34:52,287 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 253 states.
[2022-11-02 20:34:52,295 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253.
[2022-11-02 20:34:52,301 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 253 states, 247 states have (on average 2.7044534412955468) internal successors, (668), 252 states have internal predecessors, (668), 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 20:34:52,306 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 668 transitions.
[2022-11-02 20:34:52,306 INFO  L78                 Accepts]: Start accepts. Automaton has 253 states and 668 transitions. Word has length 5
[2022-11-02 20:34:52,306 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:34:52,306 INFO  L495      AbstractCegarLoop]: Abstraction has 253 states and 668 transitions.
[2022-11-02 20:34:52,306 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 20:34:52,307 INFO  L276                IsEmpty]: Start isEmpty. Operand 253 states and 668 transitions.
[2022-11-02 20:34:52,309 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2022-11-02 20:34:52,309 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:34:52,309 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:34:52,309 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:34:52,310 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2022-11-02 20:34:52,310 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:34:52,310 INFO  L85        PathProgramCache]: Analyzing trace with hash 1151011473, now seen corresponding path program 1 times
[2022-11-02 20:34:52,311 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:34:52,314 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9797374]
[2022-11-02 20:34:52,315 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:34:52,315 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:34:52,350 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:34:52,455 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 20:34:52,455 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:34:52,455 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9797374]
[2022-11-02 20:34:52,456 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9797374] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:34:52,456 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:34:52,456 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:34:52,456 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740190259]
[2022-11-02 20:34:52,456 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:34:52,457 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:34:52,457 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:34:52,457 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:34:52,458 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:34:52,458 INFO  L87              Difference]: Start difference. First operand 253 states and 668 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 20:34:52,530 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:34:52,530 INFO  L93              Difference]: Finished difference Result 192 states and 508 transitions.
[2022-11-02 20:34:52,531 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-11-02 20:34:52,531 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 20:34:52,531 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:34:52,533 INFO  L225             Difference]: With dead ends: 192
[2022-11-02 20:34:52,533 INFO  L226             Difference]: Without dead ends: 192
[2022-11-02 20:34:52,534 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 20:34:52,537 INFO  L413           NwaCegarLoop]: 5 mSDtfsCounter, 24 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:34:52,538 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 9 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:34:52,540 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 192 states.
[2022-11-02 20:34:52,551 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192.
[2022-11-02 20:34:52,552 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 192 states, 189 states have (on average 2.687830687830688) internal successors, (508), 191 states have internal predecessors, (508), 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 20:34:52,553 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 508 transitions.
[2022-11-02 20:34:52,553 INFO  L78                 Accepts]: Start accepts. Automaton has 192 states and 508 transitions. Word has length 10
[2022-11-02 20:34:52,553 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:34:52,553 INFO  L495      AbstractCegarLoop]: Abstraction has 192 states and 508 transitions.
[2022-11-02 20:34:52,553 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 20:34:52,554 INFO  L276                IsEmpty]: Start isEmpty. Operand 192 states and 508 transitions.
[2022-11-02 20:34:52,561 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-11-02 20:34:52,562 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:34:52,562 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:34:52,562 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 20:34:52,562 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2022-11-02 20:34:52,564 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:34:52,564 INFO  L85        PathProgramCache]: Analyzing trace with hash 152176219, now seen corresponding path program 1 times
[2022-11-02 20:34:52,565 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:34:52,565 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313860105]
[2022-11-02 20:34:52,565 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:34:52,565 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:34:52,601 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:34:52,724 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 20:34:52,724 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:34:52,724 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313860105]
[2022-11-02 20:34:52,724 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313860105] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:34:52,724 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:34:52,725 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:34:52,725 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625364172]
[2022-11-02 20:34:52,725 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:34:52,725 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:34:52,725 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:34:52,726 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:34:52,726 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:34:52,726 INFO  L87              Difference]: Start difference. First operand 192 states and 508 transitions. Second operand  has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 20:34:52,789 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:34:52,789 INFO  L93              Difference]: Finished difference Result 183 states and 493 transitions.
[2022-11-02 20:34:52,789 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-11-02 20:34:52,790 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 14
[2022-11-02 20:34:52,790 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:34:52,790 INFO  L225             Difference]: With dead ends: 183
[2022-11-02 20:34:52,790 INFO  L226             Difference]: Without dead ends: 0
[2022-11-02 20:34:52,790 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 20:34:52,793 INFO  L413           NwaCegarLoop]: 2 mSDtfsCounter, 34 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:34:52,794 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 6 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:34:52,795 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 20:34:52,795 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 20:34:52,795 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 20:34:52,795 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 20:34:52,795 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14
[2022-11-02 20:34:52,796 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:34:52,796 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:34:52,796 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 20:34:52,796 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 20:34:52,796 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 20:34:52,800 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2022-11-02 20:34:52,801 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2022-11-02 20:34:52,801 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2022-11-02 20:34:52,801 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2022-11-02 20:34:52,801 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2022-11-02 20:34:52,802 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2022-11-02 20:34:52,802 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2022-11-02 20:34:52,802 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2022-11-02 20:34:52,802 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining)
[2022-11-02 20:34:52,802 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2022-11-02 20:34:52,802 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2022-11-02 20:34:52,803 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2022-11-02 20:34:52,803 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2022-11-02 20:34:52,804 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2022-11-02 20:34:52,804 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2022-11-02 20:34:52,807 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 20:34:52,809 INFO  L444         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2022-11-02 20:34:52,816 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-11-02 20:34:52,817 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:34:52,819 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:34:52 BasicIcfg
[2022-11-02 20:34:52,820 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:34:52,821 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:34:52,821 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:34:52,821 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-02 20:34:52,826 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:34:47" (3/4) ...
[2022-11-02 20:34:52,829 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:34:52,835 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2022-11-02 20:34:52,835 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2022-11-02 20:34:52,835 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2022-11-02 20:34:52,841 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges
[2022-11-02 20:34:52,841 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2022-11-02 20:34:52,842 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 20:34:52,842 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:34:52,876 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a511a6-1ca5-4456-81e8-cde044242a54/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:34:52,876 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:34:52,876 INFO  L158              Benchmark]: Toolchain (without parser) took 6673.22ms. Allocated memory was 115.3MB in the beginning and 155.2MB in the end (delta: 39.8MB). Free memory was 77.4MB in the beginning and 113.9MB in the end (delta: -36.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB.
[2022-11-02 20:34:52,877 INFO  L158              Benchmark]: CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:34:52,877 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 666.98ms. Allocated memory is still 115.3MB. Free memory was 77.1MB in the beginning and 81.5MB in the end (delta: -4.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:34:52,877 INFO  L158              Benchmark]: Boogie Procedure Inliner took 71.42ms. Allocated memory is still 115.3MB. Free memory was 81.5MB in the beginning and 79.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:34:52,878 INFO  L158              Benchmark]: Boogie Preprocessor took 41.64ms. Allocated memory is still 115.3MB. Free memory was 79.8MB in the beginning and 78.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:34:52,878 INFO  L158              Benchmark]: RCFGBuilder took 649.75ms. Allocated memory is still 115.3MB. Free memory was 77.8MB in the beginning and 63.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2022-11-02 20:34:52,878 INFO  L158              Benchmark]: TraceAbstraction took 5180.16ms. Allocated memory was 115.3MB in the beginning and 155.2MB in the end (delta: 39.8MB). Free memory was 62.1MB in the beginning and 117.0MB in the end (delta: -54.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:34:52,879 INFO  L158              Benchmark]: Witness Printer took 55.20ms. Allocated memory is still 155.2MB. Free memory was 117.0MB in the beginning and 113.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:34:52,881 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 666.98ms. Allocated memory is still 115.3MB. Free memory was 77.1MB in the beginning and 81.5MB in the end (delta: -4.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 71.42ms. Allocated memory is still 115.3MB. Free memory was 81.5MB in the beginning and 79.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 41.64ms. Allocated memory is still 115.3MB. Free memory was 79.8MB in the beginning and 78.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 649.75ms. Allocated memory is still 115.3MB. Free memory was 77.8MB in the beginning and 63.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
 * TraceAbstraction took 5180.16ms. Allocated memory was 115.3MB in the beginning and 155.2MB in the end (delta: 39.8MB). Free memory was 62.1MB in the beginning and 117.0MB in the end (delta: -54.9MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 55.20ms. Allocated memory is still 155.2MB. Free memory was 117.0MB in the beginning and 113.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 3.6s, 103 PlacesBefore, 35 PlacesAfterwards, 95 TransitionsBefore, 25 TransitionsAfterwards, 2114 CoEnabledTransitionPairs, 6 FixpointIterations, 22 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 83 TotalNumberOfCompositions, 5133 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2320, positive: 2172, positive conditional: 0, positive unconditional: 2172, negative: 148, negative conditional: 0, negative unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1415, positive: 1369, positive conditional: 0, positive unconditional: 1369, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1415, positive: 1349, positive conditional: 0, positive unconditional: 1349, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 235, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 166, negative conditional: 0, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 2320, positive: 803, positive conditional: 0, positive unconditional: 803, negative: 102, negative conditional: 0, negative unconditional: 102, unknown: 1415, unknown conditional: 0, unknown unconditional: 1415] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 69, Positive conditional cache size: 0, Positive unconditional cache size: 69, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16
  - 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: 731]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 731]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 746]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 746]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 758]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 758]: 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, 123 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 121 IncrementalHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 14 mSDtfsCounter, 121 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=623occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 0.4s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 87 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 20:34:52,929 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a511a6-1ca5-4456-81e8-cde044242a54/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