./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix038.opt.i --full-output --architecture 32bit


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


Checking for overflows
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f61c91-c0e1-42bc-9ab8-37339e211099/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f61c91-c0e1-42bc-9ab8-37339e211099/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_c5f61c91-c0e1-42bc-9ab8-37339e211099/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f61c91-c0e1-42bc-9ab8-37339e211099/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix038.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f61c91-c0e1-42bc-9ab8-37339e211099/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_c5f61c91-c0e1-42bc-9ab8-37339e211099/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 8aba011b4454b6464ed30c6424ccbb7bc43e89a3e2bf826373810de7cb8fe97a
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 21:08:57,454 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-02 21:08:57,457 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 21:08:57,490 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 21:08:57,491 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 21:08:57,492 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 21:08:57,493 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 21:08:57,495 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 21:08:57,496 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 21:08:57,497 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 21:08:57,498 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 21:08:57,499 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 21:08:57,500 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 21:08:57,501 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 21:08:57,502 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 21:08:57,503 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 21:08:57,504 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 21:08:57,504 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 21:08:57,506 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 21:08:57,508 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 21:08:57,509 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 21:08:57,511 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 21:08:57,512 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 21:08:57,513 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 21:08:57,517 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 21:08:57,517 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 21:08:57,517 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 21:08:57,518 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 21:08:57,519 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 21:08:57,520 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 21:08:57,520 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 21:08:57,521 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 21:08:57,522 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 21:08:57,523 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 21:08:57,524 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 21:08:57,524 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 21:08:57,525 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 21:08:57,525 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 21:08:57,525 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 21:08:57,526 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 21:08:57,527 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 21:08:57,528 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f61c91-c0e1-42bc-9ab8-37339e211099/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2022-11-02 21:08:57,549 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-02 21:08:57,549 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 21:08:57,550 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 21:08:57,550 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 21:08:57,551 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 21:08:57,551 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 21:08:57,551 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 21:08:57,551 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-02 21:08:57,551 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-02 21:08:57,552 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 21:08:57,552 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-02 21:08:57,552 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 21:08:57,552 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-02 21:08:57,552 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-02 21:08:57,553 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-02 21:08:57,553 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 21:08:57,553 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 21:08:57,553 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 21:08:57,553 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2022-11-02 21:08:57,553 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-02 21:08:57,554 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-02 21:08:57,554 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-02 21:08:57,554 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-02 21:08:57,554 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 21:08:57,554 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-02 21:08:57,554 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-02 21:08:57,555 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 21:08:57,555 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 21:08:57,555 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 21:08:57,555 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 21:08:57,555 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-02 21:08:57,556 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 21:08:57,556 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 21:08:57,556 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_c5f61c91-c0e1-42bc-9ab8-37339e211099/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_c5f61c91-c0e1-42bc-9ab8-37339e211099/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 -> 8aba011b4454b6464ed30c6424ccbb7bc43e89a3e2bf826373810de7cb8fe97a
[2022-11-02 21:08:57,903 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 21:08:57,937 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 21:08:57,939 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 21:08:57,941 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-02 21:08:57,942 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-02 21:08:57,943 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f61c91-c0e1-42bc-9ab8-37339e211099/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-wmm/mix038.opt.i
[2022-11-02 21:08:58,012 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f61c91-c0e1-42bc-9ab8-37339e211099/bin/uautomizer-Dbtcem3rbc/data/edb0c7ca4/cf09b5095d114c7b84cc5a142f31754d/FLAG9550db887
[2022-11-02 21:08:58,562 INFO  L306              CDTParser]: Found 1 translation units.
[2022-11-02 21:08:58,562 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f61c91-c0e1-42bc-9ab8-37339e211099/sv-benchmarks/c/pthread-wmm/mix038.opt.i
[2022-11-02 21:08:58,586 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f61c91-c0e1-42bc-9ab8-37339e211099/bin/uautomizer-Dbtcem3rbc/data/edb0c7ca4/cf09b5095d114c7b84cc5a142f31754d/FLAG9550db887
[2022-11-02 21:08:58,838 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f61c91-c0e1-42bc-9ab8-37339e211099/bin/uautomizer-Dbtcem3rbc/data/edb0c7ca4/cf09b5095d114c7b84cc5a142f31754d
[2022-11-02 21:08:58,846 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 21:08:58,849 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 21:08:58,855 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 21:08:58,855 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 21:08:58,859 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 21:08:58,860 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:58" (1/1) ...
[2022-11-02 21:08:58,861 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e618d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:58, skipping insertion in model container
[2022-11-02 21:08:58,861 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:58" (1/1) ...
[2022-11-02 21:08:58,869 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-02 21:08:58,921 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-02 21:08:59,121 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_c5f61c91-c0e1-42bc-9ab8-37339e211099/sv-benchmarks/c/pthread-wmm/mix038.opt.i[944,957]
[2022-11-02 21:08:59,395 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 21:08:59,406 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-02 21:08:59,421 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_c5f61c91-c0e1-42bc-9ab8-37339e211099/sv-benchmarks/c/pthread-wmm/mix038.opt.i[944,957]
[2022-11-02 21:08:59,492 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 21:08:59,538 INFO  L208         MainTranslator]: Completed translation
[2022-11-02 21:08:59,539 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:59 WrapperNode
[2022-11-02 21:08:59,539 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 21:08:59,540 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 21:08:59,540 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 21:08:59,541 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 21:08:59,549 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:59" (1/1) ...
[2022-11-02 21:08:59,575 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:59" (1/1) ...
[2022-11-02 21:08:59,621 INFO  L138                Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 186
[2022-11-02 21:08:59,623 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 21:08:59,624 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 21:08:59,624 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 21:08:59,624 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 21:08:59,634 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:59" (1/1) ...
[2022-11-02 21:08:59,634 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:59" (1/1) ...
[2022-11-02 21:08:59,647 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:59" (1/1) ...
[2022-11-02 21:08:59,658 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:59" (1/1) ...
[2022-11-02 21:08:59,665 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:59" (1/1) ...
[2022-11-02 21:08:59,681 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:59" (1/1) ...
[2022-11-02 21:08:59,683 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:59" (1/1) ...
[2022-11-02 21:08:59,685 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:59" (1/1) ...
[2022-11-02 21:08:59,688 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 21:08:59,689 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 21:08:59,689 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 21:08:59,689 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-02 21:08:59,701 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:59" (1/1) ...
[2022-11-02 21:08:59,709 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 21:08:59,722 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f61c91-c0e1-42bc-9ab8-37339e211099/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:08:59,734 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f61c91-c0e1-42bc-9ab8-37339e211099/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 21:08:59,762 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f61c91-c0e1-42bc-9ab8-37339e211099/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 21:08:59,780 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 21:08:59,781 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-11-02 21:08:59,781 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 21:08:59,781 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 21:08:59,781 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 21:08:59,781 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2022-11-02 21:08:59,782 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2022-11-02 21:08:59,782 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2022-11-02 21:08:59,783 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2022-11-02 21:08:59,783 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2022-11-02 21:08:59,783 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2022-11-02 21:08:59,783 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 21:08:59,783 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-11-02 21:08:59,784 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 21:08:59,784 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 21:08:59,785 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-02 21:08:59,990 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-02 21:08:59,992 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 21:09:00,694 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-02 21:09:01,147 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 21:09:01,148 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-02 21:09:01,150 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:09:01 BoogieIcfgContainer
[2022-11-02 21:09:01,151 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 21:09:01,155 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 21:09:01,155 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 21:09:01,159 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-02 21:09:01,159 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:08:58" (1/3) ...
[2022-11-02 21:09:01,160 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6adf221c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:09:01, skipping insertion in model container
[2022-11-02 21:09:01,160 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:59" (2/3) ...
[2022-11-02 21:09:01,161 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6adf221c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:09:01, skipping insertion in model container
[2022-11-02 21:09:01,161 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:09:01" (3/3) ...
[2022-11-02 21:09:01,166 INFO  L112   eAbstractionObserver]: Analyzing ICFG mix038.opt.i
[2022-11-02 21:09:01,176 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-02 21:09:01,186 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 21:09:01,187 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2022-11-02 21:09:01,187 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-02 21:09:01,303 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-11-02 21:09:01,369 INFO  L115   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2022-11-02 21:09:01,389 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 129 places, 121 transitions, 257 flow
[2022-11-02 21:09:01,395 INFO  L112        LiptonReduction]: Starting Lipton reduction on Petri net that has 129 places, 121 transitions, 257 flow
[2022-11-02 21:09:01,398 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 129 places, 121 transitions, 257 flow
[2022-11-02 21:09:01,482 INFO  L130       PetriNetUnfolder]: 2/118 cut-off events.
[2022-11-02 21:09:01,482 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-02 21:09:01,487 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 128 conditions, 118 events. 2/118 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. 
[2022-11-02 21:09:01,489 INFO  L118        LiptonReduction]: Number of co-enabled transitions 2544
[2022-11-02 21:09:13,460 INFO  L133        LiptonReduction]: Checked pairs total: 7238
[2022-11-02 21:09:13,461 INFO  L135        LiptonReduction]: Total number of compositions: 106
[2022-11-02 21:09:13,469 INFO  L113   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 29 transitions, 73 flow
[2022-11-02 21:09:13,558 INFO  L135   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 1090 states, 1064 states have (on average 3.526315789473684) internal successors, (3752), 1089 states have internal predecessors, (3752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:09:13,584 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 21:09:13,594 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;@2d650cd0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 21:09:13,595 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2022-11-02 21:09:13,599 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 1090 states, 1064 states have (on average 3.526315789473684) internal successors, (3752), 1089 states have internal predecessors, (3752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:09:13,604 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2022-11-02 21:09:13,605 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:09:13,605 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2022-11-02 21:09:13,606 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2022-11-02 21:09:13,611 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:09:13,611 INFO  L85        PathProgramCache]: Analyzing trace with hash 30033537, now seen corresponding path program 1 times
[2022-11-02 21:09:13,621 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:09:13,621 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099563341]
[2022-11-02 21:09:13,622 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:09:13,622 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:09:13,754 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:09:13,916 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:09:13,917 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:09:13,917 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099563341]
[2022-11-02 21:09:13,918 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099563341] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:09:13,918 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:09:13,918 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-02 21:09:13,920 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106102245]
[2022-11-02 21:09:13,920 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:09:13,925 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 21:09:13,926 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:09:13,955 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 21:09:13,956 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 21:09:13,962 INFO  L87              Difference]: Start difference. First operand  has 1090 states, 1064 states have (on average 3.526315789473684) internal successors, (3752), 1089 states have internal predecessors, (3752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:09:14,096 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:09:14,097 INFO  L93              Difference]: Finished difference Result 598 states and 1687 transitions.
[2022-11-02 21:09:14,098 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 21:09:14,099 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4
[2022-11-02 21:09:14,100 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:09:14,116 INFO  L225             Difference]: With dead ends: 598
[2022-11-02 21:09:14,116 INFO  L226             Difference]: Without dead ends: 598
[2022-11-02 21:09:14,117 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 21:09:14,120 INFO  L413           NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 21:09:14,122 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 5 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 21:09:14,142 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 598 states.
[2022-11-02 21:09:14,187 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598.
[2022-11-02 21:09:14,190 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 598 states, 580 states have (on average 2.9086206896551725) internal successors, (1687), 597 states have internal predecessors, (1687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:09:14,195 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 1687 transitions.
[2022-11-02 21:09:14,196 INFO  L78                 Accepts]: Start accepts. Automaton has 598 states and 1687 transitions. Word has length 4
[2022-11-02 21:09:14,196 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:09:14,197 INFO  L495      AbstractCegarLoop]: Abstraction has 598 states and 1687 transitions.
[2022-11-02 21:09:14,197 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:09:14,197 INFO  L276                IsEmpty]: Start isEmpty. Operand 598 states and 1687 transitions.
[2022-11-02 21:09:14,198 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2022-11-02 21:09:14,198 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:09:14,198 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:09:14,199 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 21:09:14,199 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2022-11-02 21:09:14,199 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:09:14,200 INFO  L85        PathProgramCache]: Analyzing trace with hash 1281750460, now seen corresponding path program 1 times
[2022-11-02 21:09:14,200 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:09:14,200 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352608037]
[2022-11-02 21:09:14,200 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:09:14,201 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:09:14,239 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:09:14,385 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:09:14,386 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:09:14,386 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352608037]
[2022-11-02 21:09:14,387 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352608037] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:09:14,387 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:09:14,387 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 21:09:14,387 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103643807]
[2022-11-02 21:09:14,388 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:09:14,389 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 21:09:14,389 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:09:14,390 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 21:09:14,390 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 21:09:14,390 INFO  L87              Difference]: Start difference. First operand 598 states and 1687 transitions. Second operand  has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:09:14,535 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:09:14,535 INFO  L93              Difference]: Finished difference Result 466 states and 1339 transitions.
[2022-11-02 21:09:14,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-11-02 21:09:14,536 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 9
[2022-11-02 21:09:14,543 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:09:14,549 INFO  L225             Difference]: With dead ends: 466
[2022-11-02 21:09:14,550 INFO  L226             Difference]: Without dead ends: 466
[2022-11-02 21:09:14,550 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 21:09:14,553 INFO  L413           NwaCegarLoop]: 2 mSDtfsCounter, 26 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 21:09:14,554 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 4 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 21:09:14,559 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 466 states.
[2022-11-02 21:09:14,594 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466.
[2022-11-02 21:09:14,600 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 466 states, 460 states have (on average 2.9108695652173915) internal successors, (1339), 465 states have internal predecessors, (1339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:09:14,608 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 1339 transitions.
[2022-11-02 21:09:14,614 INFO  L78                 Accepts]: Start accepts. Automaton has 466 states and 1339 transitions. Word has length 9
[2022-11-02 21:09:14,615 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:09:14,615 INFO  L495      AbstractCegarLoop]: Abstraction has 466 states and 1339 transitions.
[2022-11-02 21:09:14,615 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:09:14,615 INFO  L276                IsEmpty]: Start isEmpty. Operand 466 states and 1339 transitions.
[2022-11-02 21:09:14,616 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2022-11-02 21:09:14,617 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:09:14,617 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:09:14,617 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 21:09:14,617 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2022-11-02 21:09:14,620 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:09:14,620 INFO  L85        PathProgramCache]: Analyzing trace with hash 1079556961, now seen corresponding path program 1 times
[2022-11-02 21:09:14,621 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:09:14,621 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989334669]
[2022-11-02 21:09:14,621 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:09:14,621 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:09:14,646 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:09:14,753 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:09:14,753 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:09:14,753 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989334669]
[2022-11-02 21:09:14,754 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989334669] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:09:14,754 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:09:14,754 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 21:09:14,754 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19507472]
[2022-11-02 21:09:14,755 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:09:14,755 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 21:09:14,755 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:09:14,756 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 21:09:14,756 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 21:09:14,756 INFO  L87              Difference]: Start difference. First operand 466 states and 1339 transitions. Second operand  has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:09:14,885 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:09:14,885 INFO  L93              Difference]: Finished difference Result 370 states and 1078 transitions.
[2022-11-02 21:09:14,886 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-11-02 21:09:14,886 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2022-11-02 21:09:14,887 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:09:14,889 INFO  L225             Difference]: With dead ends: 370
[2022-11-02 21:09:14,890 INFO  L226             Difference]: Without dead ends: 370
[2022-11-02 21:09:14,890 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 21:09:14,891 INFO  L413           NwaCegarLoop]: 4 mSDtfsCounter, 36 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 21:09:14,892 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 6 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 21:09:14,894 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 370 states.
[2022-11-02 21:09:14,905 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370.
[2022-11-02 21:09:14,906 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 370 states, 367 states have (on average 2.9373297002724796) internal successors, (1078), 369 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:09:14,909 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 1078 transitions.
[2022-11-02 21:09:14,909 INFO  L78                 Accepts]: Start accepts. Automaton has 370 states and 1078 transitions. Word has length 10
[2022-11-02 21:09:14,910 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:09:14,910 INFO  L495      AbstractCegarLoop]: Abstraction has 370 states and 1078 transitions.
[2022-11-02 21:09:14,910 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:09:14,910 INFO  L276                IsEmpty]: Start isEmpty. Operand 370 states and 1078 transitions.
[2022-11-02 21:09:14,913 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2022-11-02 21:09:14,913 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:09:14,914 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:09:14,914 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 21:09:14,914 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 21:09:14,915 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:09:14,915 INFO  L85        PathProgramCache]: Analyzing trace with hash 556421380, now seen corresponding path program 1 times
[2022-11-02 21:09:14,915 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:09:14,915 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544237085]
[2022-11-02 21:09:14,916 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:09:14,916 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:09:14,951 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:09:15,067 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:09:15,068 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:09:15,072 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544237085]
[2022-11-02 21:09:15,072 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544237085] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:09:15,072 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:09:15,072 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 21:09:15,073 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957230818]
[2022-11-02 21:09:15,075 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:09:15,075 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 21:09:15,077 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:09:15,078 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 21:09:15,078 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2022-11-02 21:09:15,079 INFO  L87              Difference]: Start difference. First operand 370 states and 1078 transitions. Second operand  has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:09:15,187 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:09:15,187 INFO  L93              Difference]: Finished difference Result 358 states and 1057 transitions.
[2022-11-02 21:09:15,187 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-11-02 21:09:15,188 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 16
[2022-11-02 21:09:15,188 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:09:15,188 INFO  L225             Difference]: With dead ends: 358
[2022-11-02 21:09:15,188 INFO  L226             Difference]: Without dead ends: 0
[2022-11-02 21:09:15,189 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2022-11-02 21:09:15,190 INFO  L413           NwaCegarLoop]: 1 mSDtfsCounter, 40 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 21:09:15,190 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 3 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 21:09:15,191 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 21:09:15,192 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 21:09:15,192 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:09:15,192 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 21:09:15,192 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16
[2022-11-02 21:09:15,192 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:09:15,193 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 21:09:15,193 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:09:15,193 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 21:09:15,193 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 21:09:15,196 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2022-11-02 21:09:15,197 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2022-11-02 21:09:15,197 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2022-11-02 21:09:15,197 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2022-11-02 21:09:15,198 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2022-11-02 21:09:15,198 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2022-11-02 21:09:15,198 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2022-11-02 21:09:15,198 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2022-11-02 21:09:15,199 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining)
[2022-11-02 21:09:15,199 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2022-11-02 21:09:15,199 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2022-11-02 21:09:15,199 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2022-11-02 21:09:15,200 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2022-11-02 21:09:15,200 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2022-11-02 21:09:15,200 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2022-11-02 21:09:15,200 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 21:09:15,203 INFO  L444         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2022-11-02 21:09:15,208 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-11-02 21:09:15,208 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 21:09:15,211 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:09:15 BasicIcfg
[2022-11-02 21:09:15,211 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 21:09:15,212 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 21:09:15,212 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-02 21:09:15,212 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-02 21:09:15,213 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:09:01" (3/4) ...
[2022-11-02 21:09:15,215 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-11-02 21:09:15,221 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2022-11-02 21:09:15,221 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2022-11-02 21:09:15,221 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2022-11-02 21:09:15,226 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges
[2022-11-02 21:09:15,227 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2022-11-02 21:09:15,227 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2022-11-02 21:09:15,227 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 21:09:15,263 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f61c91-c0e1-42bc-9ab8-37339e211099/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 21:09:15,264 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 21:09:15,264 INFO  L158              Benchmark]: Toolchain (without parser) took 16415.65ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 100.8MB in the beginning and 113.3MB in the end (delta: -12.5MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB.
[2022-11-02 21:09:15,265 INFO  L158              Benchmark]: CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 21:09:15,265 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 684.71ms. Allocated memory is still 138.4MB. Free memory was 100.6MB in the beginning and 101.5MB in the end (delta: -866.6kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 21:09:15,265 INFO  L158              Benchmark]: Boogie Procedure Inliner took 82.90ms. Allocated memory is still 138.4MB. Free memory was 101.5MB in the beginning and 98.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 21:09:15,266 INFO  L158              Benchmark]: Boogie Preprocessor took 64.35ms. Allocated memory is still 138.4MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 21:09:15,266 INFO  L158              Benchmark]: RCFGBuilder took 1461.97ms. Allocated memory is still 138.4MB. Free memory was 96.7MB in the beginning and 64.2MB in the end (delta: 32.5MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB.
[2022-11-02 21:09:15,266 INFO  L158              Benchmark]: TraceAbstraction took 14056.50ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 63.7MB in the beginning and 117.4MB in the end (delta: -53.7MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB.
[2022-11-02 21:09:15,267 INFO  L158              Benchmark]: Witness Printer took 51.92ms. Allocated memory is still 197.1MB. Free memory was 117.4MB in the beginning and 113.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 21:09:15,268 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 684.71ms. Allocated memory is still 138.4MB. Free memory was 100.6MB in the beginning and 101.5MB in the end (delta: -866.6kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 82.90ms. Allocated memory is still 138.4MB. Free memory was 101.5MB in the beginning and 98.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 64.35ms. Allocated memory is still 138.4MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1461.97ms. Allocated memory is still 138.4MB. Free memory was 96.7MB in the beginning and 64.2MB in the end (delta: 32.5MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB.
 * TraceAbstraction took 14056.50ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 63.7MB in the beginning and 117.4MB in the end (delta: -53.7MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB.
 * Witness Printer took 51.92ms. Allocated memory is still 197.1MB. Free memory was 117.4MB in the beginning and 113.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 12.1s, 129 PlacesBefore, 38 PlacesAfterwards, 121 TransitionsBefore, 29 TransitionsAfterwards, 2544 CoEnabledTransitionPairs, 7 FixpointIterations, 43 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 1 ChoiceCompositions, 106 TotalNumberOfCompositions, 7238 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3314, positive: 3089, positive conditional: 0, positive unconditional: 3089, negative: 225, negative conditional: 0, negative unconditional: 225, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1834, positive: 1774, positive conditional: 0, positive unconditional: 1774, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1834, positive: 1723, positive conditional: 0, positive unconditional: 1723, negative: 111, negative conditional: 0, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 111, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 622, positive: 118, positive conditional: 0, positive unconditional: 118, negative: 504, negative conditional: 0, negative unconditional: 504, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 3314, positive: 1315, positive conditional: 0, positive unconditional: 1315, negative: 165, negative conditional: 0, negative unconditional: 165, unknown: 1834, unknown conditional: 0, unknown unconditional: 1834] , Statistics on independence cache: Total cache size (in pairs): 185, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25
  - 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: 755]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 755]: 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: 818]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 818]: 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, 153 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 13.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 216 IncrementalHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 11 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=1090occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    6 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-11-02 21:09:15,323 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f61c91-c0e1-42bc-9ab8-37339e211099/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