./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version a0165632
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_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad7a565ad4ebe037ce541fa36cdf85746d072cc2b5132ab8ae2e3025ff70fea5
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:02:21,363 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:02:21,489 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 18:02:21,498 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:02:21,498 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:02:21,540 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:02:21,541 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:02:21,542 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:02:21,543 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:02:21,545 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 18:02:21,546 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:02:21,547 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:02:21,547 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:02:21,552 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 18:02:21,552 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 18:02:21,552 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:02:21,553 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-08 18:02:21,553 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-08 18:02:21,553 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 18:02:21,554 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-08 18:02:21,554 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 18:02:21,556 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 18:02:21,556 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:02:21,557 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 18:02:21,557 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 18:02:21,558 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-08 18:02:21,558 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-08 18:02:21,558 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 18:02:21,559 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:02:21,559 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 18:02:21,560 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:02:21,560 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 18:02:21,560 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:02:21,561 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:02:21,561 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:02:21,562 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 18:02:21,562 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-08 18:02:21,562 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:02:21,563 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:02:21,563 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:02:21,563 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:02:21,564 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:02:21,564 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
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_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/bin/uautomizer-verify-jihMAELWvX/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_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
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 ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad7a565ad4ebe037ce541fa36cdf85746d072cc2b5132ab8ae2e3025ff70fea5
[2024-11-08 18:02:21,961 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:02:21,992 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:02:21,995 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:02:21,997 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 18:02:21,997 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 18:02:21,999 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i
Unable to find full path for "g++"
[2024-11-08 18:02:24,210 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:02:24,609 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 18:02:24,612 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i
[2024-11-08 18:02:24,634 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/bin/uautomizer-verify-jihMAELWvX/data/f901fd875/ca2777884fa9477e87649c114a897a4f/FLAGacf618764
[2024-11-08 18:02:24,657 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/bin/uautomizer-verify-jihMAELWvX/data/f901fd875/ca2777884fa9477e87649c114a897a4f
[2024-11-08 18:02:24,663 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:02:24,665 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:02:24,669 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:02:24,669 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:02:24,676 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:02:24,677 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:02:24" (1/1) ...
[2024-11-08 18:02:24,679 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1ead9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:24, skipping insertion in model container
[2024-11-08 18:02:24,681 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:02:24" (1/1) ...
[2024-11-08 18:02:24,759 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:02:25,055 WARN  L250   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_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i[967,980]
[2024-11-08 18:02:25,352 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:02:25,367 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 18:02:25,385 WARN  L250   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_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i[967,980]
[2024-11-08 18:02:25,472 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:02:25,537 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 18:02:25,538 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:25 WrapperNode
[2024-11-08 18:02:25,538 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:02:25,539 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:02:25,540 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:02:25,541 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:02:25,551 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:25" (1/1) ...
[2024-11-08 18:02:25,580 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:25" (1/1) ...
[2024-11-08 18:02:25,632 INFO  L138                Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 133
[2024-11-08 18:02:25,636 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:02:25,637 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:02:25,641 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:02:25,641 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:02:25,659 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:25" (1/1) ...
[2024-11-08 18:02:25,660 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:25" (1/1) ...
[2024-11-08 18:02:25,669 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:25" (1/1) ...
[2024-11-08 18:02:25,702 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 18:02:25,702 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:25" (1/1) ...
[2024-11-08 18:02:25,703 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:25" (1/1) ...
[2024-11-08 18:02:25,713 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:25" (1/1) ...
[2024-11-08 18:02:25,715 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:25" (1/1) ...
[2024-11-08 18:02:25,717 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:25" (1/1) ...
[2024-11-08 18:02:25,718 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:25" (1/1) ...
[2024-11-08 18:02:25,721 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:02:25,723 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:02:25,723 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:02:25,723 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:02:25,724 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:25" (1/1) ...
[2024-11-08 18:02:25,734 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:02:25,757 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:02:25,774 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:02:25,777 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:02:25,813 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 18:02:25,813 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:02:25,814 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2024-11-08 18:02:25,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2024-11-08 18:02:25,814 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2024-11-08 18:02:25,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2024-11-08 18:02:25,815 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2024-11-08 18:02:25,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2024-11-08 18:02:25,815 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 18:02:25,816 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 18:02:25,816 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:02:25,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:02:25,818 WARN  L207             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-08 18:02:26,012 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 18:02:26,016 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:02:26,450 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 18:02:26,450 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 18:02:26,815 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:02:26,816 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 18:02:26,817 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:02:26 BoogieIcfgContainer
[2024-11-08 18:02:26,818 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:02:26,821 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:02:26,822 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:02:26,827 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:02:26,827 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:02:24" (1/3) ...
[2024-11-08 18:02:26,829 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650a5d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:02:26, skipping insertion in model container
[2024-11-08 18:02:26,829 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:02:25" (2/3) ...
[2024-11-08 18:02:26,830 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650a5d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:02:26, skipping insertion in model container
[2024-11-08 18:02:26,830 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:02:26" (3/3) ...
[2024-11-08 18:02:26,832 INFO  L112   eAbstractionObserver]: Analyzing ICFG safe004_power.opt_pso.opt_rmo.opt.i
[2024-11-08 18:02:26,856 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:02:26,856 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-08 18:02:26,857 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 18:02:26,924 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-08 18:02:26,977 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 48 places, 39 transitions, 90 flow
[2024-11-08 18:02:27,034 INFO  L124   PetriNetUnfolderBase]: 1/36 cut-off events.
[2024-11-08 18:02:27,034 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:02:27,042 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 46 conditions, 36 events. 1/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 69 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 38. Up to 2 conditions per place. 
[2024-11-08 18:02:27,043 INFO  L82        GeneralOperation]: Start removeDead. Operand has 48 places, 39 transitions, 90 flow
[2024-11-08 18:02:27,051 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 45 places, 36 transitions, 81 flow
[2024-11-08 18:02:27,071 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:02:27,082 INFO  L333      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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@3b43e5cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:02:27,082 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2024-11-08 18:02:27,090 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 18:02:27,091 INFO  L124   PetriNetUnfolderBase]: 0/10 cut-off events.
[2024-11-08 18:02:27,091 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:02:27,092 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:02:27,093 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-08 18:02:27,094 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2024-11-08 18:02:27,101 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:02:27,102 INFO  L85        PathProgramCache]: Analyzing trace with hash 1906582196, now seen corresponding path program 1 times
[2024-11-08 18:02:27,115 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:02:27,116 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421829500]
[2024-11-08 18:02:27,117 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:02:27,117 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:02:27,299 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:02:27,844 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:02:27,845 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:02:27,845 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421829500]
[2024-11-08 18:02:27,846 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421829500] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:02:27,846 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:02:27,846 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 18:02:27,848 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980534532]
[2024-11-08 18:02:27,849 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:02:27,861 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 18:02:27,869 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:02:27,906 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 18:02:27,907 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:02:27,909 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 18 out of 39
[2024-11-08 18:02:27,912 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 81 flow. Second operand  has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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)
[2024-11-08 18:02:27,913 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:02:27,913 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 39
[2024-11-08 18:02:27,914 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:02:28,421 INFO  L124   PetriNetUnfolderBase]: 528/983 cut-off events.
[2024-11-08 18:02:28,421 INFO  L125   PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES.
[2024-11-08 18:02:28,429 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1831 conditions, 983 events. 528/983 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 5745 event pairs, 168 based on Foata normal form. 36/998 useless extension candidates. Maximal degree in co-relation 1820. Up to 652 conditions per place. 
[2024-11-08 18:02:28,442 INFO  L140   encePairwiseOnDemand]: 35/39 looper letters, 27 selfloop transitions, 2 changer transitions 2/46 dead transitions.
[2024-11-08 18:02:28,443 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 46 transitions, 166 flow
[2024-11-08 18:02:28,445 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 18:02:28,448 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 18:02:28,457 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 88 transitions.
[2024-11-08 18:02:28,460 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.7521367521367521
[2024-11-08 18:02:28,463 INFO  L175             Difference]: Start difference. First operand has 45 places, 36 transitions, 81 flow. Second operand 3 states and 88 transitions.
[2024-11-08 18:02:28,464 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 46 transitions, 166 flow
[2024-11-08 18:02:28,468 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 46 transitions, 162 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-08 18:02:28,473 INFO  L231             Difference]: Finished difference. Result has 43 places, 33 transitions, 76 flow
[2024-11-08 18:02:28,475 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=43, PETRI_TRANSITIONS=33}
[2024-11-08 18:02:28,482 INFO  L277   CegarLoopForPetriNet]: 45 programPoint places, -2 predicate places.
[2024-11-08 18:02:28,482 INFO  L471      AbstractCegarLoop]: Abstraction has has 43 places, 33 transitions, 76 flow
[2024-11-08 18:02:28,483 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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)
[2024-11-08 18:02:28,483 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:02:28,483 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:02:28,483 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:02:28,484 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2024-11-08 18:02:28,485 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:02:28,485 INFO  L85        PathProgramCache]: Analyzing trace with hash -103316819, now seen corresponding path program 1 times
[2024-11-08 18:02:28,486 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:02:28,486 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595595693]
[2024-11-08 18:02:28,487 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:02:28,487 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:02:28,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:02:28,983 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:02:28,983 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:02:28,984 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595595693]
[2024-11-08 18:02:28,985 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595595693] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:02:28,985 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:02:28,986 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:02:28,986 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180702204]
[2024-11-08 18:02:28,986 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:02:28,987 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:02:28,988 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:02:28,990 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:02:28,990 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:02:29,004 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39
[2024-11-08 18:02:29,005 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 33 transitions, 76 flow. Second operand  has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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)
[2024-11-08 18:02:29,005 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:02:29,006 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39
[2024-11-08 18:02:29,006 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:02:29,627 INFO  L124   PetriNetUnfolderBase]: 1213/2071 cut-off events.
[2024-11-08 18:02:29,627 INFO  L125   PetriNetUnfolderBase]: For 116/116 co-relation queries the response was YES.
[2024-11-08 18:02:29,633 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 4083 conditions, 2071 events. 1213/2071 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 12674 event pairs, 147 based on Foata normal form. 80/2046 useless extension candidates. Maximal degree in co-relation 4073. Up to 1081 conditions per place. 
[2024-11-08 18:02:29,644 INFO  L140   encePairwiseOnDemand]: 33/39 looper letters, 39 selfloop transitions, 5 changer transitions 1/56 dead transitions.
[2024-11-08 18:02:29,645 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 56 transitions, 220 flow
[2024-11-08 18:02:29,646 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 18:02:29,646 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 18:02:29,647 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 103 transitions.
[2024-11-08 18:02:29,647 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.6602564102564102
[2024-11-08 18:02:29,647 INFO  L175             Difference]: Start difference. First operand has 43 places, 33 transitions, 76 flow. Second operand 4 states and 103 transitions.
[2024-11-08 18:02:29,647 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 56 transitions, 220 flow
[2024-11-08 18:02:29,649 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 56 transitions, 212 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 18:02:29,651 INFO  L231             Difference]: Finished difference. Result has 45 places, 36 transitions, 106 flow
[2024-11-08 18:02:29,652 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=106, PETRI_PLACES=45, PETRI_TRANSITIONS=36}
[2024-11-08 18:02:29,654 INFO  L277   CegarLoopForPetriNet]: 45 programPoint places, 0 predicate places.
[2024-11-08 18:02:29,654 INFO  L471      AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 106 flow
[2024-11-08 18:02:29,654 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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)
[2024-11-08 18:02:29,654 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:02:29,655 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:02:29,656 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 18:02:29,657 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2024-11-08 18:02:29,657 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:02:29,657 INFO  L85        PathProgramCache]: Analyzing trace with hash 563689561, now seen corresponding path program 1 times
[2024-11-08 18:02:29,658 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:02:29,658 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790133341]
[2024-11-08 18:02:29,658 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:02:29,658 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:02:29,744 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:02:30,040 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:02:30,040 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:02:30,041 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790133341]
[2024-11-08 18:02:30,041 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790133341] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:02:30,041 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:02:30,041 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:02:30,042 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637436868]
[2024-11-08 18:02:30,042 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:02:30,042 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 18:02:30,044 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:02:30,046 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 18:02:30,049 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:02:30,057 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39
[2024-11-08 18:02:30,057 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 106 flow. Second operand  has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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)
[2024-11-08 18:02:30,058 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:02:30,058 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39
[2024-11-08 18:02:30,058 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:02:30,533 INFO  L124   PetriNetUnfolderBase]: 809/1399 cut-off events.
[2024-11-08 18:02:30,534 INFO  L125   PetriNetUnfolderBase]: For 364/364 co-relation queries the response was YES.
[2024-11-08 18:02:30,538 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 3205 conditions, 1399 events. 809/1399 cut-off events. For 364/364 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 7568 event pairs, 73 based on Foata normal form. 68/1401 useless extension candidates. Maximal degree in co-relation 3193. Up to 521 conditions per place. 
[2024-11-08 18:02:30,545 INFO  L140   encePairwiseOnDemand]: 33/39 looper letters, 49 selfloop transitions, 8 changer transitions 1/69 dead transitions.
[2024-11-08 18:02:30,545 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 69 transitions, 309 flow
[2024-11-08 18:02:30,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-08 18:02:30,546 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-08 18:02:30,547 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 130 transitions.
[2024-11-08 18:02:30,549 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.6666666666666666
[2024-11-08 18:02:30,549 INFO  L175             Difference]: Start difference. First operand has 45 places, 36 transitions, 106 flow. Second operand 5 states and 130 transitions.
[2024-11-08 18:02:30,551 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 69 transitions, 309 flow
[2024-11-08 18:02:30,553 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 69 transitions, 299 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-11-08 18:02:30,556 INFO  L231             Difference]: Finished difference. Result has 49 places, 39 transitions, 146 flow
[2024-11-08 18:02:30,557 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=146, PETRI_PLACES=49, PETRI_TRANSITIONS=39}
[2024-11-08 18:02:30,558 INFO  L277   CegarLoopForPetriNet]: 45 programPoint places, 4 predicate places.
[2024-11-08 18:02:30,558 INFO  L471      AbstractCegarLoop]: Abstraction has has 49 places, 39 transitions, 146 flow
[2024-11-08 18:02:30,558 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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)
[2024-11-08 18:02:30,559 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:02:30,559 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:02:30,559 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 18:02:30,559 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2024-11-08 18:02:30,560 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:02:30,560 INFO  L85        PathProgramCache]: Analyzing trace with hash 1439963883, now seen corresponding path program 1 times
[2024-11-08 18:02:30,560 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:02:30,561 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744544164]
[2024-11-08 18:02:30,561 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:02:30,561 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:02:30,707 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:02:31,055 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:02:31,056 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:02:31,056 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744544164]
[2024-11-08 18:02:31,057 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744544164] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:02:31,058 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:02:31,058 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 18:02:31,058 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515487682]
[2024-11-08 18:02:31,058 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:02:31,059 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:02:31,059 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:02:31,060 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:02:31,061 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:02:31,070 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39
[2024-11-08 18:02:31,072 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 39 transitions, 146 flow. Second operand  has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 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)
[2024-11-08 18:02:31,072 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:02:31,072 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39
[2024-11-08 18:02:31,072 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:02:31,457 INFO  L124   PetriNetUnfolderBase]: 477/811 cut-off events.
[2024-11-08 18:02:31,457 INFO  L125   PetriNetUnfolderBase]: For 677/677 co-relation queries the response was YES.
[2024-11-08 18:02:31,459 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2123 conditions, 811 events. 477/811 cut-off events. For 677/677 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 3693 event pairs, 59 based on Foata normal form. 36/812 useless extension candidates. Maximal degree in co-relation 2109. Up to 268 conditions per place. 
[2024-11-08 18:02:31,463 INFO  L140   encePairwiseOnDemand]: 33/39 looper letters, 43 selfloop transitions, 11 changer transitions 1/66 dead transitions.
[2024-11-08 18:02:31,464 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 66 transitions, 320 flow
[2024-11-08 18:02:31,464 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-08 18:02:31,464 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 18:02:31,465 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 141 transitions.
[2024-11-08 18:02:31,466 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.6025641025641025
[2024-11-08 18:02:31,466 INFO  L175             Difference]: Start difference. First operand has 49 places, 39 transitions, 146 flow. Second operand 6 states and 141 transitions.
[2024-11-08 18:02:31,466 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 66 transitions, 320 flow
[2024-11-08 18:02:31,471 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 66 transitions, 295 flow, removed 4 selfloop flow, removed 4 redundant places.
[2024-11-08 18:02:31,472 INFO  L231             Difference]: Finished difference. Result has 52 places, 39 transitions, 160 flow
[2024-11-08 18:02:31,472 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=160, PETRI_PLACES=52, PETRI_TRANSITIONS=39}
[2024-11-08 18:02:31,473 INFO  L277   CegarLoopForPetriNet]: 45 programPoint places, 7 predicate places.
[2024-11-08 18:02:31,473 INFO  L471      AbstractCegarLoop]: Abstraction has has 52 places, 39 transitions, 160 flow
[2024-11-08 18:02:31,474 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 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)
[2024-11-08 18:02:31,474 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:02:31,474 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:02:31,474 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 18:02:31,474 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2024-11-08 18:02:31,475 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:02:31,475 INFO  L85        PathProgramCache]: Analyzing trace with hash 293523438, now seen corresponding path program 1 times
[2024-11-08 18:02:31,475 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:02:31,475 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359934574]
[2024-11-08 18:02:31,476 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:02:31,476 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:02:31,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:02:32,644 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:02:32,645 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:02:32,645 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359934574]
[2024-11-08 18:02:32,646 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359934574] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:02:32,646 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:02:32,646 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-08 18:02:32,646 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613227121]
[2024-11-08 18:02:32,647 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:02:32,648 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:02:32,649 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:02:32,649 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:02:32,649 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:02:32,690 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 13 out of 39
[2024-11-08 18:02:32,691 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 39 transitions, 160 flow. Second operand  has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 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)
[2024-11-08 18:02:32,691 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:02:32,691 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 39
[2024-11-08 18:02:32,691 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:02:33,304 INFO  L124   PetriNetUnfolderBase]: 979/1745 cut-off events.
[2024-11-08 18:02:33,305 INFO  L125   PetriNetUnfolderBase]: For 716/730 co-relation queries the response was YES.
[2024-11-08 18:02:33,312 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 4040 conditions, 1745 events. 979/1745 cut-off events. For 716/730 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 9814 event pairs, 200 based on Foata normal form. 8/1716 useless extension candidates. Maximal degree in co-relation 4025. Up to 734 conditions per place. 
[2024-11-08 18:02:33,318 INFO  L140   encePairwiseOnDemand]: 27/39 looper letters, 34 selfloop transitions, 10 changer transitions 16/76 dead transitions.
[2024-11-08 18:02:33,318 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 76 transitions, 368 flow
[2024-11-08 18:02:33,319 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-08 18:02:33,319 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 18:02:33,320 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 139 transitions.
[2024-11-08 18:02:33,321 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.594017094017094
[2024-11-08 18:02:33,321 INFO  L175             Difference]: Start difference. First operand has 52 places, 39 transitions, 160 flow. Second operand 6 states and 139 transitions.
[2024-11-08 18:02:33,322 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 76 transitions, 368 flow
[2024-11-08 18:02:33,337 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 76 transitions, 304 flow, removed 14 selfloop flow, removed 8 redundant places.
[2024-11-08 18:02:33,339 INFO  L231             Difference]: Finished difference. Result has 54 places, 46 transitions, 176 flow
[2024-11-08 18:02:33,339 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=176, PETRI_PLACES=54, PETRI_TRANSITIONS=46}
[2024-11-08 18:02:33,340 INFO  L277   CegarLoopForPetriNet]: 45 programPoint places, 9 predicate places.
[2024-11-08 18:02:33,342 INFO  L471      AbstractCegarLoop]: Abstraction has has 54 places, 46 transitions, 176 flow
[2024-11-08 18:02:33,343 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 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)
[2024-11-08 18:02:33,343 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:02:33,343 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:02:33,343 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 18:02:33,344 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2024-11-08 18:02:33,344 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:02:33,344 INFO  L85        PathProgramCache]: Analyzing trace with hash -408786718, now seen corresponding path program 2 times
[2024-11-08 18:02:33,345 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:02:33,345 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406264659]
[2024-11-08 18:02:33,347 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:02:33,348 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:02:33,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:02:34,338 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:02:34,339 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:02:34,339 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406264659]
[2024-11-08 18:02:34,340 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406264659] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:02:34,342 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:02:34,342 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-08 18:02:34,342 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224062196]
[2024-11-08 18:02:34,343 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:02:34,343 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-08 18:02:34,344 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:02:34,344 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-08 18:02:34,346 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-08 18:02:34,409 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 13 out of 39
[2024-11-08 18:02:34,410 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 46 transitions, 176 flow. Second operand  has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 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)
[2024-11-08 18:02:34,410 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:02:34,410 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 39
[2024-11-08 18:02:34,411 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:02:34,899 INFO  L124   PetriNetUnfolderBase]: 795/1434 cut-off events.
[2024-11-08 18:02:34,899 INFO  L125   PetriNetUnfolderBase]: For 488/514 co-relation queries the response was YES.
[2024-11-08 18:02:34,905 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 3640 conditions, 1434 events. 795/1434 cut-off events. For 488/514 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 7809 event pairs, 165 based on Foata normal form. 10/1381 useless extension candidates. Maximal degree in co-relation 3624. Up to 533 conditions per place. 
[2024-11-08 18:02:34,911 INFO  L140   encePairwiseOnDemand]: 28/39 looper letters, 32 selfloop transitions, 12 changer transitions 26/86 dead transitions.
[2024-11-08 18:02:34,911 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 86 transitions, 458 flow
[2024-11-08 18:02:34,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-08 18:02:34,912 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-11-08 18:02:34,913 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 149 transitions.
[2024-11-08 18:02:34,913 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5457875457875457
[2024-11-08 18:02:34,914 INFO  L175             Difference]: Start difference. First operand has 54 places, 46 transitions, 176 flow. Second operand 7 states and 149 transitions.
[2024-11-08 18:02:34,914 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 86 transitions, 458 flow
[2024-11-08 18:02:34,916 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 86 transitions, 443 flow, removed 5 selfloop flow, removed 3 redundant places.
[2024-11-08 18:02:34,918 INFO  L231             Difference]: Finished difference. Result has 60 places, 48 transitions, 235 flow
[2024-11-08 18:02:34,919 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=235, PETRI_PLACES=60, PETRI_TRANSITIONS=48}
[2024-11-08 18:02:34,920 INFO  L277   CegarLoopForPetriNet]: 45 programPoint places, 15 predicate places.
[2024-11-08 18:02:34,920 INFO  L471      AbstractCegarLoop]: Abstraction has has 60 places, 48 transitions, 235 flow
[2024-11-08 18:02:34,920 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 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)
[2024-11-08 18:02:34,921 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:02:34,921 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:02:34,921 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-08 18:02:34,922 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2024-11-08 18:02:34,922 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:02:34,922 INFO  L85        PathProgramCache]: Analyzing trace with hash 1338316966, now seen corresponding path program 3 times
[2024-11-08 18:02:34,922 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:02:34,923 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388590989]
[2024-11-08 18:02:34,923 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:02:34,923 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:02:35,036 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:02:35,775 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:02:35,775 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:02:35,775 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388590989]
[2024-11-08 18:02:35,776 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388590989] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:02:35,776 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:02:35,776 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-08 18:02:35,777 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798426116]
[2024-11-08 18:02:35,777 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:02:35,777 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-08 18:02:35,778 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:02:35,778 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-08 18:02:35,778 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-11-08 18:02:35,813 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 13 out of 39
[2024-11-08 18:02:35,814 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 48 transitions, 235 flow. Second operand  has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 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)
[2024-11-08 18:02:35,814 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:02:35,814 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 39
[2024-11-08 18:02:35,814 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:02:36,397 INFO  L124   PetriNetUnfolderBase]: 620/1159 cut-off events.
[2024-11-08 18:02:36,397 INFO  L125   PetriNetUnfolderBase]: For 814/814 co-relation queries the response was YES.
[2024-11-08 18:02:36,401 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 3186 conditions, 1159 events. 620/1159 cut-off events. For 814/814 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 5944 event pairs, 93 based on Foata normal form. 8/1133 useless extension candidates. Maximal degree in co-relation 3166. Up to 448 conditions per place. 
[2024-11-08 18:02:36,405 INFO  L140   encePairwiseOnDemand]: 27/39 looper letters, 28 selfloop transitions, 10 changer transitions 31/85 dead transitions.
[2024-11-08 18:02:36,405 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 85 transitions, 508 flow
[2024-11-08 18:02:36,406 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-08 18:02:36,406 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-11-08 18:02:36,407 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 169 transitions.
[2024-11-08 18:02:36,407 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5416666666666666
[2024-11-08 18:02:36,407 INFO  L175             Difference]: Start difference. First operand has 60 places, 48 transitions, 235 flow. Second operand 8 states and 169 transitions.
[2024-11-08 18:02:36,407 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 85 transitions, 508 flow
[2024-11-08 18:02:36,410 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 85 transitions, 492 flow, removed 5 selfloop flow, removed 4 redundant places.
[2024-11-08 18:02:36,412 INFO  L231             Difference]: Finished difference. Result has 67 places, 45 transitions, 238 flow
[2024-11-08 18:02:36,412 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=238, PETRI_PLACES=67, PETRI_TRANSITIONS=45}
[2024-11-08 18:02:36,413 INFO  L277   CegarLoopForPetriNet]: 45 programPoint places, 22 predicate places.
[2024-11-08 18:02:36,413 INFO  L471      AbstractCegarLoop]: Abstraction has has 67 places, 45 transitions, 238 flow
[2024-11-08 18:02:36,413 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 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)
[2024-11-08 18:02:36,413 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:02:36,414 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:02:36,414 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-08 18:02:36,414 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2024-11-08 18:02:36,414 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:02:36,415 INFO  L85        PathProgramCache]: Analyzing trace with hash -524278230, now seen corresponding path program 4 times
[2024-11-08 18:02:36,415 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:02:36,415 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476872145]
[2024-11-08 18:02:36,415 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:02:36,416 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:02:36,551 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:02:38,608 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:02:38,609 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:02:38,609 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476872145]
[2024-11-08 18:02:38,609 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476872145] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:02:38,610 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:02:38,610 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-08 18:02:38,610 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266407674]
[2024-11-08 18:02:38,610 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:02:38,611 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-08 18:02:38,611 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:02:38,612 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-08 18:02:38,612 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-08 18:02:38,636 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39
[2024-11-08 18:02:38,637 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 45 transitions, 238 flow. Second operand  has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 9 states have internal predecessors, (129), 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)
[2024-11-08 18:02:38,637 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:02:38,637 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39
[2024-11-08 18:02:38,637 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:02:39,299 INFO  L124   PetriNetUnfolderBase]: 543/1043 cut-off events.
[2024-11-08 18:02:39,300 INFO  L125   PetriNetUnfolderBase]: For 760/760 co-relation queries the response was YES.
[2024-11-08 18:02:39,305 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2785 conditions, 1043 events. 543/1043 cut-off events. For 760/760 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 5329 event pairs, 106 based on Foata normal form. 8/1025 useless extension candidates. Maximal degree in co-relation 2761. Up to 476 conditions per place. 
[2024-11-08 18:02:39,309 INFO  L140   encePairwiseOnDemand]: 28/39 looper letters, 33 selfloop transitions, 11 changer transitions 12/71 dead transitions.
[2024-11-08 18:02:39,309 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 71 transitions, 424 flow
[2024-11-08 18:02:39,310 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-08 18:02:39,310 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-11-08 18:02:39,311 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 152 transitions.
[2024-11-08 18:02:39,311 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.48717948717948717
[2024-11-08 18:02:39,311 INFO  L175             Difference]: Start difference. First operand has 67 places, 45 transitions, 238 flow. Second operand 8 states and 152 transitions.
[2024-11-08 18:02:39,311 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 71 transitions, 424 flow
[2024-11-08 18:02:39,315 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 71 transitions, 401 flow, removed 8 selfloop flow, removed 6 redundant places.
[2024-11-08 18:02:39,318 INFO  L231             Difference]: Finished difference. Result has 67 places, 47 transitions, 268 flow
[2024-11-08 18:02:39,318 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=219, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=268, PETRI_PLACES=67, PETRI_TRANSITIONS=47}
[2024-11-08 18:02:39,321 INFO  L277   CegarLoopForPetriNet]: 45 programPoint places, 22 predicate places.
[2024-11-08 18:02:39,322 INFO  L471      AbstractCegarLoop]: Abstraction has has 67 places, 47 transitions, 268 flow
[2024-11-08 18:02:39,324 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 9 states have internal predecessors, (129), 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)
[2024-11-08 18:02:39,324 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:02:39,325 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:02:39,325 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-08 18:02:39,325 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2024-11-08 18:02:39,325 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:02:39,326 INFO  L85        PathProgramCache]: Analyzing trace with hash -1387671400, now seen corresponding path program 5 times
[2024-11-08 18:02:39,326 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:02:39,326 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334680842]
[2024-11-08 18:02:39,326 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:02:39,326 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:02:39,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:02:42,952 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:02:42,952 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:02:42,953 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334680842]
[2024-11-08 18:02:42,953 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334680842] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:02:42,953 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:02:42,953 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-08 18:02:42,953 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035078286]
[2024-11-08 18:02:42,953 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:02:42,954 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-08 18:02:42,954 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:02:42,955 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-08 18:02:42,956 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110
[2024-11-08 18:02:43,020 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39
[2024-11-08 18:02:43,020 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 47 transitions, 268 flow. Second operand  has 11 states, 11 states have (on average 13.909090909090908) internal successors, (153), 11 states have internal predecessors, (153), 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)
[2024-11-08 18:02:43,020 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:02:43,020 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39
[2024-11-08 18:02:43,021 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:02:43,884 INFO  L124   PetriNetUnfolderBase]: 774/1506 cut-off events.
[2024-11-08 18:02:43,884 INFO  L125   PetriNetUnfolderBase]: For 1278/1278 co-relation queries the response was YES.
[2024-11-08 18:02:43,890 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 3936 conditions, 1506 events. 774/1506 cut-off events. For 1278/1278 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 8667 event pairs, 273 based on Foata normal form. 8/1469 useless extension candidates. Maximal degree in co-relation 3913. Up to 389 conditions per place. 
[2024-11-08 18:02:43,894 INFO  L140   encePairwiseOnDemand]: 28/39 looper letters, 44 selfloop transitions, 8 changer transitions 34/101 dead transitions.
[2024-11-08 18:02:43,894 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 101 transitions, 669 flow
[2024-11-08 18:02:43,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-11-08 18:02:43,895 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2024-11-08 18:02:43,896 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 212 transitions.
[2024-11-08 18:02:43,896 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.49417249417249415
[2024-11-08 18:02:43,896 INFO  L175             Difference]: Start difference. First operand has 67 places, 47 transitions, 268 flow. Second operand 11 states and 212 transitions.
[2024-11-08 18:02:43,896 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 101 transitions, 669 flow
[2024-11-08 18:02:43,900 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 101 transitions, 640 flow, removed 13 selfloop flow, removed 4 redundant places.
[2024-11-08 18:02:43,902 INFO  L231             Difference]: Finished difference. Result has 77 places, 46 transitions, 267 flow
[2024-11-08 18:02:43,903 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=253, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=267, PETRI_PLACES=77, PETRI_TRANSITIONS=46}
[2024-11-08 18:02:43,904 INFO  L277   CegarLoopForPetriNet]: 45 programPoint places, 32 predicate places.
[2024-11-08 18:02:43,904 INFO  L471      AbstractCegarLoop]: Abstraction has has 77 places, 46 transitions, 267 flow
[2024-11-08 18:02:43,904 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 13.909090909090908) internal successors, (153), 11 states have internal predecessors, (153), 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)
[2024-11-08 18:02:43,904 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:02:43,905 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:02:43,905 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-08 18:02:43,906 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2024-11-08 18:02:43,906 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:02:43,906 INFO  L85        PathProgramCache]: Analyzing trace with hash -414773744, now seen corresponding path program 6 times
[2024-11-08 18:02:43,906 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:02:43,907 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930496306]
[2024-11-08 18:02:43,907 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:02:43,907 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:02:44,014 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:02:44,015 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 18:02:44,135 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:02:44,172 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 18:02:44,173 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-08 18:02:44,176 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining)
[2024-11-08 18:02:44,178 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining)
[2024-11-08 18:02:44,178 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining)
[2024-11-08 18:02:44,178 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining)
[2024-11-08 18:02:44,178 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining)
[2024-11-08 18:02:44,179 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining)
[2024-11-08 18:02:44,179 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-08 18:02:44,179 INFO  L407         BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1]
[2024-11-08 18:02:44,276 INFO  L239   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 18:02:44,276 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 18:02:44,289 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:02:44 BasicIcfg
[2024-11-08 18:02:44,289 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 18:02:44,290 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 18:02:44,290 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-08 18:02:44,290 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-08 18:02:44,290 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:02:26" (3/4) ...
[2024-11-08 18:02:44,294 INFO  L136         WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-08 18:02:44,404 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 18:02:44,404 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 18:02:44,405 INFO  L158              Benchmark]: Toolchain (without parser) took 19740.46ms. Allocated memory was 188.7MB in the beginning and 415.2MB in the end (delta: 226.5MB). Free memory was 156.0MB in the beginning and 338.6MB in the end (delta: -182.6MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB.
[2024-11-08 18:02:44,407 INFO  L158              Benchmark]: CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:02:44,407 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 869.91ms. Allocated memory is still 188.7MB. Free memory was 156.0MB in the beginning and 138.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-08 18:02:44,408 INFO  L158              Benchmark]: Boogie Procedure Inliner took 96.93ms. Allocated memory is still 188.7MB. Free memory was 138.5MB in the beginning and 135.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 18:02:44,408 INFO  L158              Benchmark]: Boogie Preprocessor took 84.74ms. Allocated memory is still 188.7MB. Free memory was 135.4MB in the beginning and 132.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:02:44,408 INFO  L158              Benchmark]: RCFGBuilder took 1095.93ms. Allocated memory is still 188.7MB. Free memory was 132.2MB in the beginning and 78.8MB in the end (delta: 53.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB.
[2024-11-08 18:02:44,409 INFO  L158              Benchmark]: TraceAbstraction took 17467.84ms. Allocated memory was 188.7MB in the beginning and 415.2MB in the end (delta: 226.5MB). Free memory was 78.8MB in the beginning and 350.2MB in the end (delta: -271.4MB). Peak memory consumption was 175.2MB. Max. memory is 16.1GB.
[2024-11-08 18:02:44,409 INFO  L158              Benchmark]: Witness Printer took 114.71ms. Allocated memory is still 415.2MB. Free memory was 350.2MB in the beginning and 338.6MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 18:02:44,411 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 869.91ms. Allocated memory is still 188.7MB. Free memory was 156.0MB in the beginning and 138.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 96.93ms. Allocated memory is still 188.7MB. Free memory was 138.5MB in the beginning and 135.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 84.74ms. Allocated memory is still 188.7MB. Free memory was 135.4MB in the beginning and 132.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1095.93ms. Allocated memory is still 188.7MB. Free memory was 132.2MB in the beginning and 78.8MB in the end (delta: 53.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB.
 * TraceAbstraction took 17467.84ms. Allocated memory was 188.7MB in the beginning and 415.2MB in the end (delta: 226.5MB). Free memory was 78.8MB in the beginning and 350.2MB in the end (delta: -271.4MB). Peak memory consumption was 175.2MB. Max. memory is 16.1GB.
 * Witness Printer took 114.71ms. Allocated memory is still 415.2MB. Free memory was 350.2MB in the beginning and 338.6MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 18]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L709]               0  int __unbuffered_cnt = 0;
[L711]               0  int __unbuffered_p2_EAX = 0;
[L713]               0  int __unbuffered_p2_EBX = 0;
[L714]               0  _Bool main$tmp_guard0;
[L715]               0  _Bool main$tmp_guard1;
[L717]               0  int x = 0;
[L718]               0  _Bool x$flush_delayed;
[L719]               0  int x$mem_tmp;
[L720]               0  _Bool x$r_buff0_thd0;
[L721]               0  _Bool x$r_buff0_thd1;
[L722]               0  _Bool x$r_buff0_thd2;
[L723]               0  _Bool x$r_buff0_thd3;
[L724]               0  _Bool x$r_buff1_thd0;
[L725]               0  _Bool x$r_buff1_thd1;
[L726]               0  _Bool x$r_buff1_thd2;
[L727]               0  _Bool x$r_buff1_thd3;
[L728]               0  _Bool x$read_delayed;
[L729]               0  int *x$read_delayed_var;
[L730]               0  int x$w_buff0;
[L731]               0  _Bool x$w_buff0_used;
[L732]               0  int x$w_buff1;
[L733]               0  _Bool x$w_buff1_used;
[L735]               0  int y = 0;
[L736]               0  _Bool weak$$choice0;
[L737]               0  _Bool weak$$choice2;
[L818]               0  pthread_t t1876;
[L819]  FCALL, FORK  0  pthread_create(&t1876, ((void *)0), P0, ((void *)0))
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1876=-2, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0]
[L820]               0  pthread_t t1877;
[L821]  FCALL, FORK  0  pthread_create(&t1877, ((void *)0), P1, ((void *)0))
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1876=-2, t1877=-1, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0]
[L822]               0  pthread_t t1878;
[L823]  FCALL, FORK  0  pthread_create(&t1878, ((void *)0), P2, ((void *)0))
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1876=-2, t1877=-1, t1878=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0]
[L761]               2  x$w_buff1 = x$w_buff0
[L762]               2  x$w_buff0 = 2
[L763]               2  x$w_buff1_used = x$w_buff0_used
[L764]               2  x$w_buff0_used = (_Bool)1
[L765]  CALL         2  __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used))
[L18]   COND FALSE   2  !(!expression)
[L765]  RET          2  __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used))
[L766]               2  x$r_buff1_thd0 = x$r_buff0_thd0
[L767]               2  x$r_buff1_thd1 = x$r_buff0_thd1
[L768]               2  x$r_buff1_thd2 = x$r_buff0_thd2
[L769]               2  x$r_buff1_thd3 = x$r_buff0_thd3
[L770]               2  x$r_buff0_thd2 = (_Bool)1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0]
[L773]               2  y = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1]
[L790]               3  __unbuffered_p2_EAX = y
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1]
[L793]               3  __unbuffered_p2_EBX = y
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1]
[L741]               1  y = 2
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2]
[L744]               1  x = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2]
[L776]               2  x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x)
[L777]               2  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used
[L778]               2  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used
[L779]               2  x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2
[L780]               2  x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2]
[L796]               3  x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x)
[L797]               3  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used
[L798]               3  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used
[L799]               3  x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3
[L800]               3  x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2]
[L783]               2  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2]
[L747]               1  x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x)
[L748]               1  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used
[L749]               1  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used
[L750]               1  x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1
[L751]               1  x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2]
[L754]               1  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2]
[L803]               3  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2]
[L825]               0  main$tmp_guard0 = __unbuffered_cnt == 3
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1876=-2, t1877=-1, t1878=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2]
[L827]  CALL         0  assume_abort_if_not(main$tmp_guard0)
[L3]    COND FALSE   0  !(!cond)
[L827]  RET          0  assume_abort_if_not(main$tmp_guard0)
[L829]               0  x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x)
[L830]               0  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used
[L831]               0  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used
[L832]               0  x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0
[L833]               0  x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1876=-2, t1877=-1, t1878=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2]
[L836]               0  weak$$choice0 = __VERIFIER_nondet_bool()
[L837]               0  weak$$choice2 = __VERIFIER_nondet_bool()
[L838]               0  x$flush_delayed = weak$$choice2
[L839]               0  x$mem_tmp = x
[L840]               0  x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1)
[L841]               0  x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0))
[L842]               0  x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1))
[L843]               0  x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used))
[L844]               0  x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L845]               0  x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0))
[L846]               0  x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L847]               0  main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 1)
[L848]               0  x = x$flush_delayed ? x$mem_tmp : x
[L849]               0  x$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1876=-2, t1877=-1, t1878=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2]
[L851]  CALL         0  __VERIFIER_assert(main$tmp_guard1)
[L18]   COND TRUE    0  !expression
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2]
[L18]                0  reach_error()
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2]

  - UnprovableResult [Line: 18]: Unable to prove that a call to reach_error is unreachable
    Unable to prove that a call to reach_error is unreachable
 Reason: Not analyzed. 
  - UnprovableResult [Line: 821]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 823]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 819]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 7 procedures, 64 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 17.2s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 521 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 496 mSDsluCounter, 270 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 249 mSDsCounter, 96 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1147 IncrementalHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 96 mSolverCounterUnsat, 21 mSDtfsCounter, 1147 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred in iteration=8, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 199 ConstructedInterpolants, 0 QuantifiedInterpolants, 1608 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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
RESULT: Ultimate proved your program to be incorrect!
[2024-11-08 18:02:44,447 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f89b361-0270-44d3-adb9-90b7d7f6cb4c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE