./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix025_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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/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_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix025_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/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_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/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 3bbcbfea07b4de27a61735028fd08097276598be4815bd7ea5f14ba44ebf2380
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:31:14,020 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:31:14,111 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 18:31:14,119 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:31:14,119 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:31:14,169 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:31:14,169 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:31:14,172 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:31:14,173 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:31:14,173 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 18:31:14,174 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:31:14,174 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:31:14,176 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:31:14,179 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 18:31:14,179 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 18:31:14,180 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:31:14,180 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-08 18:31:14,180 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-08 18:31:14,181 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 18:31:14,181 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-08 18:31:14,181 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 18:31:14,186 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 18:31:14,186 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:31:14,187 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 18:31:14,187 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 18:31:14,188 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-08 18:31:14,188 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-08 18:31:14,188 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 18:31:14,189 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:31:14,189 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 18:31:14,189 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:31:14,193 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 18:31:14,194 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:31:14,194 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:31:14,195 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:31:14,195 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 18:31:14,195 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-08 18:31:14,196 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:31:14,196 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:31:14,196 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:31:14,196 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:31:14,198 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:31:14,199 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_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/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_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/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 -> 3bbcbfea07b4de27a61735028fd08097276598be4815bd7ea5f14ba44ebf2380
[2024-11-08 18:31:14,551 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:31:14,586 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:31:14,589 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:31:14,591 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 18:31:14,592 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 18:31:14,593 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-wmm/mix025_pso.opt_rmo.opt.i
Unable to find full path for "g++"
[2024-11-08 18:31:17,063 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:31:17,429 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 18:31:17,430 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/sv-benchmarks/c/pthread-wmm/mix025_pso.opt_rmo.opt.i
[2024-11-08 18:31:17,451 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/bin/uautomizer-verify-jihMAELWvX/data/122d7b779/455c611a44ac430ea2c1d29ccd24f242/FLAG968e7b168
[2024-11-08 18:31:17,470 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/bin/uautomizer-verify-jihMAELWvX/data/122d7b779/455c611a44ac430ea2c1d29ccd24f242
[2024-11-08 18:31:17,473 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:31:17,475 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:31:17,477 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:31:17,477 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:31:17,488 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:31:17,489 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:31:17" (1/1) ...
[2024-11-08 18:31:17,491 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5060aa91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:17, skipping insertion in model container
[2024-11-08 18:31:17,491 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:31:17" (1/1) ...
[2024-11-08 18:31:17,559 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:31:17,855 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_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/sv-benchmarks/c/pthread-wmm/mix025_pso.opt_rmo.opt.i[999,1012]
[2024-11-08 18:31:18,263 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:31:18,287 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 18:31:18,307 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_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/sv-benchmarks/c/pthread-wmm/mix025_pso.opt_rmo.opt.i[999,1012]
[2024-11-08 18:31:18,411 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:31:18,471 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 18:31:18,472 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:18 WrapperNode
[2024-11-08 18:31:18,472 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:31:18,474 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:31:18,474 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:31:18,474 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:31:18,487 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:18" (1/1) ...
[2024-11-08 18:31:18,519 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:18" (1/1) ...
[2024-11-08 18:31:18,573 INFO  L138                Inliner]: procedures = 175, calls = 44, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 116
[2024-11-08 18:31:18,574 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:31:18,575 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:31:18,575 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:31:18,575 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:31:18,599 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:18" (1/1) ...
[2024-11-08 18:31:18,600 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:18" (1/1) ...
[2024-11-08 18:31:18,603 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:18" (1/1) ...
[2024-11-08 18:31:18,639 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 18:31:18,643 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:18" (1/1) ...
[2024-11-08 18:31:18,644 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:18" (1/1) ...
[2024-11-08 18:31:18,651 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:18" (1/1) ...
[2024-11-08 18:31:18,657 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:18" (1/1) ...
[2024-11-08 18:31:18,663 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:18" (1/1) ...
[2024-11-08 18:31:18,666 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:18" (1/1) ...
[2024-11-08 18:31:18,673 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:31:18,677 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:31:18,678 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:31:18,678 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:31:18,682 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:18" (1/1) ...
[2024-11-08 18:31:18,691 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:31:18,706 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:31:18,731 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:31:18,736 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:31:18,773 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 18:31:18,773 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:31:18,773 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2024-11-08 18:31:18,774 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2024-11-08 18:31:18,774 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2024-11-08 18:31:18,774 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2024-11-08 18:31:18,774 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2024-11-08 18:31:18,775 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2024-11-08 18:31:18,775 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 18:31:18,775 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 18:31:18,775 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:31:18,775 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:31:18,777 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 18:31:18,958 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 18:31:18,961 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:31:19,388 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 18:31:19,389 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 18:31:19,785 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:31:19,786 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 18:31:19,786 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:31:19 BoogieIcfgContainer
[2024-11-08 18:31:19,790 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:31:19,792 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:31:19,793 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:31:19,799 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:31:19,799 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:31:17" (1/3) ...
[2024-11-08 18:31:19,801 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8a1189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:31:19, skipping insertion in model container
[2024-11-08 18:31:19,801 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:18" (2/3) ...
[2024-11-08 18:31:19,802 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8a1189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:31:19, skipping insertion in model container
[2024-11-08 18:31:19,802 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:31:19" (3/3) ...
[2024-11-08 18:31:19,806 INFO  L112   eAbstractionObserver]: Analyzing ICFG mix025_pso.opt_rmo.opt.i
[2024-11-08 18:31:19,829 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:31:19,829 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-08 18:31:19,829 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 18:31:19,906 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-08 18:31:19,957 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 49 places, 40 transitions, 92 flow
[2024-11-08 18:31:20,003 INFO  L124   PetriNetUnfolderBase]: 1/37 cut-off events.
[2024-11-08 18:31:20,004 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:31:20,014 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 47 conditions, 37 events. 1/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. 
[2024-11-08 18:31:20,014 INFO  L82        GeneralOperation]: Start removeDead. Operand has 49 places, 40 transitions, 92 flow
[2024-11-08 18:31:20,018 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 46 places, 37 transitions, 83 flow
[2024-11-08 18:31:20,037 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:31:20,052 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;@6a45b803, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:31:20,052 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2024-11-08 18:31:20,063 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 18:31:20,063 INFO  L124   PetriNetUnfolderBase]: 0/9 cut-off events.
[2024-11-08 18:31:20,063 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:31:20,064 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:31:20,064 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-08 18:31:20,065 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 18:31:20,075 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:31:20,076 INFO  L85        PathProgramCache]: Analyzing trace with hash 1786525363, now seen corresponding path program 1 times
[2024-11-08 18:31:20,088 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:31:20,089 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565062330]
[2024-11-08 18:31:20,090 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:31:20,090 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:31:20,289 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:31:20,775 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 18:31:20,776 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:31:20,776 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565062330]
[2024-11-08 18:31:20,777 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565062330] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:31:20,777 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:31:20,778 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 18:31:20,780 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842236831]
[2024-11-08 18:31:20,780 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:31:20,792 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 18:31:20,799 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:31:20,845 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 18:31:20,847 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:31:20,850 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 20 out of 40
[2024-11-08 18:31:20,854 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 37 transitions, 83 flow. Second operand  has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 18:31:20,854 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:31:20,855 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 40
[2024-11-08 18:31:20,856 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:31:21,511 INFO  L124   PetriNetUnfolderBase]: 453/887 cut-off events.
[2024-11-08 18:31:21,512 INFO  L125   PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES.
[2024-11-08 18:31:21,519 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1624 conditions, 887 events. 453/887 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 5508 event pairs, 72 based on Foata normal form. 36/893 useless extension candidates. Maximal degree in co-relation 1613. Up to 562 conditions per place. 
[2024-11-08 18:31:21,531 INFO  L140   encePairwiseOnDemand]: 36/40 looper letters, 25 selfloop transitions, 2 changer transitions 2/46 dead transitions.
[2024-11-08 18:31:21,531 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 46 transitions, 162 flow
[2024-11-08 18:31:21,534 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 18:31:21,537 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 18:31:21,547 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 92 transitions.
[2024-11-08 18:31:21,550 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.7666666666666667
[2024-11-08 18:31:21,553 INFO  L175             Difference]: Start difference. First operand has 46 places, 37 transitions, 83 flow. Second operand 3 states and 92 transitions.
[2024-11-08 18:31:21,554 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 46 transitions, 162 flow
[2024-11-08 18:31:21,558 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 46 transitions, 158 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-08 18:31:21,564 INFO  L231             Difference]: Finished difference. Result has 44 places, 34 transitions, 78 flow
[2024-11-08 18:31:21,566 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=44, PETRI_TRANSITIONS=34}
[2024-11-08 18:31:21,571 INFO  L277   CegarLoopForPetriNet]: 46 programPoint places, -2 predicate places.
[2024-11-08 18:31:21,572 INFO  L471      AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 78 flow
[2024-11-08 18:31:21,572 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 18:31:21,572 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:31:21,572 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:31:21,573 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:31:21,573 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 18:31:21,573 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:31:21,573 INFO  L85        PathProgramCache]: Analyzing trace with hash -1833756301, now seen corresponding path program 1 times
[2024-11-08 18:31:21,573 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:31:21,574 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472381793]
[2024-11-08 18:31:21,574 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:31:21,574 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:31:21,633 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:31:21,941 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 18:31:21,942 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:31:21,942 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472381793]
[2024-11-08 18:31:21,942 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472381793] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:31:21,943 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:31:21,943 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:31:21,943 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319566651]
[2024-11-08 18:31:21,944 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:31:21,945 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:31:21,946 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:31:21,946 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:31:21,947 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:31:21,956 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40
[2024-11-08 18:31:21,957 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 78 flow. Second operand  has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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 18:31:21,957 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:31:21,957 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40
[2024-11-08 18:31:21,957 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:31:22,544 INFO  L124   PetriNetUnfolderBase]: 1065/1929 cut-off events.
[2024-11-08 18:31:22,544 INFO  L125   PetriNetUnfolderBase]: For 104/104 co-relation queries the response was YES.
[2024-11-08 18:31:22,550 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 3713 conditions, 1929 events. 1065/1929 cut-off events. For 104/104 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 12316 event pairs, 147 based on Foata normal form. 80/1897 useless extension candidates. Maximal degree in co-relation 3703. Up to 865 conditions per place. 
[2024-11-08 18:31:22,561 INFO  L140   encePairwiseOnDemand]: 34/40 looper letters, 38 selfloop transitions, 5 changer transitions 1/57 dead transitions.
[2024-11-08 18:31:22,561 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 57 transitions, 220 flow
[2024-11-08 18:31:22,563 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 18:31:22,563 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 18:31:22,564 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 110 transitions.
[2024-11-08 18:31:22,564 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.6875
[2024-11-08 18:31:22,565 INFO  L175             Difference]: Start difference. First operand has 44 places, 34 transitions, 78 flow. Second operand 4 states and 110 transitions.
[2024-11-08 18:31:22,565 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 57 transitions, 220 flow
[2024-11-08 18:31:22,566 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 57 transitions, 212 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 18:31:22,569 INFO  L231             Difference]: Finished difference. Result has 46 places, 37 transitions, 108 flow
[2024-11-08 18:31:22,569 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=40, 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=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=108, PETRI_PLACES=46, PETRI_TRANSITIONS=37}
[2024-11-08 18:31:22,570 INFO  L277   CegarLoopForPetriNet]: 46 programPoint places, 0 predicate places.
[2024-11-08 18:31:22,570 INFO  L471      AbstractCegarLoop]: Abstraction has has 46 places, 37 transitions, 108 flow
[2024-11-08 18:31:22,571 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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 18:31:22,571 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:31:22,571 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 18:31:22,572 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 18:31:22,572 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 18:31:22,573 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:31:22,573 INFO  L85        PathProgramCache]: Analyzing trace with hash 1853101539, now seen corresponding path program 1 times
[2024-11-08 18:31:22,573 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:31:22,574 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102621580]
[2024-11-08 18:31:22,574 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:31:22,574 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:31:22,656 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:31:22,928 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 18:31:22,929 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:31:22,929 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102621580]
[2024-11-08 18:31:22,929 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102621580] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:31:22,930 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:31:22,930 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:31:22,930 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240237509]
[2024-11-08 18:31:22,930 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:31:22,931 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 18:31:22,931 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:31:22,932 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 18:31:22,932 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:31:22,939 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40
[2024-11-08 18:31:22,940 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 37 transitions, 108 flow. Second operand  has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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 18:31:22,940 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:31:22,940 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40
[2024-11-08 18:31:22,940 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:31:23,492 INFO  L124   PetriNetUnfolderBase]: 741/1337 cut-off events.
[2024-11-08 18:31:23,492 INFO  L125   PetriNetUnfolderBase]: For 372/372 co-relation queries the response was YES.
[2024-11-08 18:31:23,496 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 3027 conditions, 1337 events. 741/1337 cut-off events. For 372/372 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 7524 event pairs, 73 based on Foata normal form. 68/1333 useless extension candidates. Maximal degree in co-relation 3015. Up to 417 conditions per place. 
[2024-11-08 18:31:23,503 INFO  L140   encePairwiseOnDemand]: 34/40 looper letters, 48 selfloop transitions, 8 changer transitions 1/70 dead transitions.
[2024-11-08 18:31:23,504 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 70 transitions, 309 flow
[2024-11-08 18:31:23,504 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-08 18:31:23,505 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-08 18:31:23,508 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions.
[2024-11-08 18:31:23,510 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.695
[2024-11-08 18:31:23,511 INFO  L175             Difference]: Start difference. First operand has 46 places, 37 transitions, 108 flow. Second operand 5 states and 139 transitions.
[2024-11-08 18:31:23,512 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 70 transitions, 309 flow
[2024-11-08 18:31:23,514 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 70 transitions, 299 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-11-08 18:31:23,517 INFO  L231             Difference]: Finished difference. Result has 50 places, 40 transitions, 148 flow
[2024-11-08 18:31:23,518 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=148, PETRI_PLACES=50, PETRI_TRANSITIONS=40}
[2024-11-08 18:31:23,519 INFO  L277   CegarLoopForPetriNet]: 46 programPoint places, 4 predicate places.
[2024-11-08 18:31:23,520 INFO  L471      AbstractCegarLoop]: Abstraction has has 50 places, 40 transitions, 148 flow
[2024-11-08 18:31:23,521 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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 18:31:23,521 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:31:23,521 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 18:31:23,522 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 18:31:23,522 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 18:31:23,522 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:31:23,523 INFO  L85        PathProgramCache]: Analyzing trace with hash 733548011, now seen corresponding path program 1 times
[2024-11-08 18:31:23,524 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:31:23,525 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112512542]
[2024-11-08 18:31:23,525 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:31:23,525 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:31:23,667 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:31:24,078 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 18:31:24,078 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:31:24,079 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112512542]
[2024-11-08 18:31:24,079 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112512542] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:31:24,080 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:31:24,080 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 18:31:24,080 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291247652]
[2024-11-08 18:31:24,081 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:31:24,081 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:31:24,083 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:31:24,084 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:31:24,084 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:31:24,123 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40
[2024-11-08 18:31:24,124 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 40 transitions, 148 flow. Second operand  has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 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 18:31:24,124 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:31:24,124 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40
[2024-11-08 18:31:24,124 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:31:24,548 INFO  L124   PetriNetUnfolderBase]: 465/805 cut-off events.
[2024-11-08 18:31:24,548 INFO  L125   PetriNetUnfolderBase]: For 730/730 co-relation queries the response was YES.
[2024-11-08 18:31:24,550 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2097 conditions, 805 events. 465/805 cut-off events. For 730/730 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3707 event pairs, 59 based on Foata normal form. 36/802 useless extension candidates. Maximal degree in co-relation 2083. Up to 268 conditions per place. 
[2024-11-08 18:31:24,555 INFO  L140   encePairwiseOnDemand]: 34/40 looper letters, 42 selfloop transitions, 11 changer transitions 1/67 dead transitions.
[2024-11-08 18:31:24,555 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 67 transitions, 320 flow
[2024-11-08 18:31:24,555 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-08 18:31:24,556 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 18:31:24,556 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 152 transitions.
[2024-11-08 18:31:24,557 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.6333333333333333
[2024-11-08 18:31:24,557 INFO  L175             Difference]: Start difference. First operand has 50 places, 40 transitions, 148 flow. Second operand 6 states and 152 transitions.
[2024-11-08 18:31:24,557 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 67 transitions, 320 flow
[2024-11-08 18:31:24,562 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 67 transitions, 295 flow, removed 4 selfloop flow, removed 4 redundant places.
[2024-11-08 18:31:24,564 INFO  L231             Difference]: Finished difference. Result has 53 places, 40 transitions, 162 flow
[2024-11-08 18:31:24,564 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=162, PETRI_PLACES=53, PETRI_TRANSITIONS=40}
[2024-11-08 18:31:24,565 INFO  L277   CegarLoopForPetriNet]: 46 programPoint places, 7 predicate places.
[2024-11-08 18:31:24,565 INFO  L471      AbstractCegarLoop]: Abstraction has has 53 places, 40 transitions, 162 flow
[2024-11-08 18:31:24,565 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 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 18:31:24,566 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:31:24,566 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, 1]
[2024-11-08 18:31:24,566 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 18:31:24,566 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 18:31:24,567 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:31:24,567 INFO  L85        PathProgramCache]: Analyzing trace with hash 544097490, now seen corresponding path program 1 times
[2024-11-08 18:31:24,567 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:31:24,568 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168440321]
[2024-11-08 18:31:24,568 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:31:24,568 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:31:24,668 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:31:25,182 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 18:31:25,182 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:31:25,183 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168440321]
[2024-11-08 18:31:25,183 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168440321] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:31:25,184 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:31:25,184 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-08 18:31:25,184 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066144432]
[2024-11-08 18:31:25,185 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:31:25,186 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:31:25,187 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:31:25,188 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:31:25,189 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:31:25,220 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 13 out of 40
[2024-11-08 18:31:25,221 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 40 transitions, 162 flow. Second operand  has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 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 18:31:25,221 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:31:25,221 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 40
[2024-11-08 18:31:25,221 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:31:25,983 INFO  L124   PetriNetUnfolderBase]: 1083/1918 cut-off events.
[2024-11-08 18:31:25,984 INFO  L125   PetriNetUnfolderBase]: For 724/740 co-relation queries the response was YES.
[2024-11-08 18:31:25,989 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 4375 conditions, 1918 events. 1083/1918 cut-off events. For 724/740 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 10865 event pairs, 166 based on Foata normal form. 8/1879 useless extension candidates. Maximal degree in co-relation 4360. Up to 789 conditions per place. 
[2024-11-08 18:31:25,997 INFO  L140   encePairwiseOnDemand]: 30/40 looper letters, 46 selfloop transitions, 12 changer transitions 16/90 dead transitions.
[2024-11-08 18:31:25,998 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 90 transitions, 426 flow
[2024-11-08 18:31:25,999 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-08 18:31:25,999 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-11-08 18:31:26,000 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 166 transitions.
[2024-11-08 18:31:26,000 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5928571428571429
[2024-11-08 18:31:26,000 INFO  L175             Difference]: Start difference. First operand has 53 places, 40 transitions, 162 flow. Second operand 7 states and 166 transitions.
[2024-11-08 18:31:26,000 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 90 transitions, 426 flow
[2024-11-08 18:31:26,017 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 90 transitions, 362 flow, removed 14 selfloop flow, removed 8 redundant places.
[2024-11-08 18:31:26,020 INFO  L231             Difference]: Finished difference. Result has 57 places, 49 transitions, 192 flow
[2024-11-08 18:31:26,020 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=192, PETRI_PLACES=57, PETRI_TRANSITIONS=49}
[2024-11-08 18:31:26,022 INFO  L277   CegarLoopForPetriNet]: 46 programPoint places, 11 predicate places.
[2024-11-08 18:31:26,023 INFO  L471      AbstractCegarLoop]: Abstraction has has 57 places, 49 transitions, 192 flow
[2024-11-08 18:31:26,023 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 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 18:31:26,024 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:31:26,024 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, 1]
[2024-11-08 18:31:26,024 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 18:31:26,025 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 18:31:26,026 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:31:26,029 INFO  L85        PathProgramCache]: Analyzing trace with hash -235747944, now seen corresponding path program 2 times
[2024-11-08 18:31:26,030 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:31:26,030 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174228992]
[2024-11-08 18:31:26,030 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:31:26,031 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:31:26,188 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:31:26,853 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 18:31:26,855 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:31:26,855 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174228992]
[2024-11-08 18:31:26,856 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174228992] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:31:26,857 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:31:26,858 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-08 18:31:26,858 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864506585]
[2024-11-08 18:31:26,858 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:31:26,859 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-08 18:31:26,859 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:31:26,860 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-08 18:31:26,860 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-11-08 18:31:26,893 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 13 out of 40
[2024-11-08 18:31:26,894 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 49 transitions, 192 flow. Second operand  has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 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 18:31:26,895 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:31:26,895 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 40
[2024-11-08 18:31:26,895 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:31:27,802 INFO  L124   PetriNetUnfolderBase]: 1375/2511 cut-off events.
[2024-11-08 18:31:27,802 INFO  L125   PetriNetUnfolderBase]: For 760/760 co-relation queries the response was YES.
[2024-11-08 18:31:27,810 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 5984 conditions, 2511 events. 1375/2511 cut-off events. For 760/760 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 15596 event pairs, 234 based on Foata normal form. 8/2438 useless extension candidates. Maximal degree in co-relation 5967. Up to 755 conditions per place. 
[2024-11-08 18:31:27,817 INFO  L140   encePairwiseOnDemand]: 30/40 looper letters, 38 selfloop transitions, 9 changer transitions 38/101 dead transitions.
[2024-11-08 18:31:27,817 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 101 transitions, 502 flow
[2024-11-08 18:31:27,818 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-08 18:31:27,818 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-11-08 18:31:27,819 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 189 transitions.
[2024-11-08 18:31:27,820 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.590625
[2024-11-08 18:31:27,820 INFO  L175             Difference]: Start difference. First operand has 57 places, 49 transitions, 192 flow. Second operand 8 states and 189 transitions.
[2024-11-08 18:31:27,820 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 101 transitions, 502 flow
[2024-11-08 18:31:27,823 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 101 transitions, 496 flow, removed 3 selfloop flow, removed 2 redundant places.
[2024-11-08 18:31:27,826 INFO  L231             Difference]: Finished difference. Result has 64 places, 46 transitions, 199 flow
[2024-11-08 18:31:27,826 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=199, PETRI_PLACES=64, PETRI_TRANSITIONS=46}
[2024-11-08 18:31:27,827 INFO  L277   CegarLoopForPetriNet]: 46 programPoint places, 18 predicate places.
[2024-11-08 18:31:27,829 INFO  L471      AbstractCegarLoop]: Abstraction has has 64 places, 46 transitions, 199 flow
[2024-11-08 18:31:27,829 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 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 18:31:27,829 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:31:27,830 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, 1]
[2024-11-08 18:31:27,830 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-08 18:31:27,830 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 18:31:27,831 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:31:27,831 INFO  L85        PathProgramCache]: Analyzing trace with hash 2084836106, now seen corresponding path program 3 times
[2024-11-08 18:31:27,831 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:31:27,832 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698018095]
[2024-11-08 18:31:27,832 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:31:27,832 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:31:27,988 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:31:28,369 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 18:31:28,369 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:31:28,369 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698018095]
[2024-11-08 18:31:28,370 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698018095] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:31:28,370 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:31:28,370 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-08 18:31:28,370 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692845480]
[2024-11-08 18:31:28,371 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:31:28,371 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:31:28,371 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:31:28,374 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:31:28,374 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:31:28,392 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40
[2024-11-08 18:31:28,393 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 46 transitions, 199 flow. Second operand  has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 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 18:31:28,393 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:31:28,393 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40
[2024-11-08 18:31:28,393 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:31:28,947 INFO  L124   PetriNetUnfolderBase]: 913/1819 cut-off events.
[2024-11-08 18:31:28,947 INFO  L125   PetriNetUnfolderBase]: For 928/990 co-relation queries the response was YES.
[2024-11-08 18:31:28,955 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 4419 conditions, 1819 events. 913/1819 cut-off events. For 928/990 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 11497 event pairs, 279 based on Foata normal form. 46/1753 useless extension candidates. Maximal degree in co-relation 4398. Up to 776 conditions per place. 
[2024-11-08 18:31:28,960 INFO  L140   encePairwiseOnDemand]: 33/40 looper letters, 26 selfloop transitions, 3 changer transitions 28/75 dead transitions.
[2024-11-08 18:31:28,961 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 75 transitions, 408 flow
[2024-11-08 18:31:28,961 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-08 18:31:28,962 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 18:31:28,962 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 138 transitions.
[2024-11-08 18:31:28,963 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.575
[2024-11-08 18:31:28,963 INFO  L175             Difference]: Start difference. First operand has 64 places, 46 transitions, 199 flow. Second operand 6 states and 138 transitions.
[2024-11-08 18:31:28,963 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 75 transitions, 408 flow
[2024-11-08 18:31:28,969 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 75 transitions, 376 flow, removed 5 selfloop flow, removed 7 redundant places.
[2024-11-08 18:31:28,972 INFO  L231             Difference]: Finished difference. Result has 62 places, 41 transitions, 157 flow
[2024-11-08 18:31:28,975 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=157, PETRI_PLACES=62, PETRI_TRANSITIONS=41}
[2024-11-08 18:31:28,976 INFO  L277   CegarLoopForPetriNet]: 46 programPoint places, 16 predicate places.
[2024-11-08 18:31:28,976 INFO  L471      AbstractCegarLoop]: Abstraction has has 62 places, 41 transitions, 157 flow
[2024-11-08 18:31:28,976 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 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 18:31:28,977 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:31:28,977 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, 1]
[2024-11-08 18:31:28,977 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-08 18:31:28,977 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 18:31:28,978 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:31:28,978 INFO  L85        PathProgramCache]: Analyzing trace with hash -1625436420, now seen corresponding path program 4 times
[2024-11-08 18:31:28,978 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:31:28,979 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641605415]
[2024-11-08 18:31:28,979 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:31:28,979 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:31:29,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:31:31,684 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 18:31:31,684 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:31:31,685 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641605415]
[2024-11-08 18:31:31,685 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641605415] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:31:31,685 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:31:31,686 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-08 18:31:31,686 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800716537]
[2024-11-08 18:31:31,686 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:31:31,687 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-08 18:31:31,687 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:31:31,688 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-08 18:31:31,688 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2024-11-08 18:31:31,728 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40
[2024-11-08 18:31:31,728 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 41 transitions, 157 flow. Second operand  has 10 states, 10 states have (on average 16.0) internal successors, (160), 10 states have internal predecessors, (160), 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 18:31:31,729 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:31:31,729 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40
[2024-11-08 18:31:31,729 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:31:32,675 INFO  L124   PetriNetUnfolderBase]: 398/811 cut-off events.
[2024-11-08 18:31:32,677 INFO  L125   PetriNetUnfolderBase]: For 179/211 co-relation queries the response was YES.
[2024-11-08 18:31:32,680 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1807 conditions, 811 events. 398/811 cut-off events. For 179/211 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3983 event pairs, 126 based on Foata normal form. 28/785 useless extension candidates. Maximal degree in co-relation 1786. Up to 311 conditions per place. 
[2024-11-08 18:31:32,682 INFO  L140   encePairwiseOnDemand]: 31/40 looper letters, 27 selfloop transitions, 4 changer transitions 23/72 dead transitions.
[2024-11-08 18:31:32,683 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 72 transitions, 360 flow
[2024-11-08 18:31:32,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-08 18:31:32,684 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-11-08 18:31:32,684 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 181 transitions.
[2024-11-08 18:31:32,685 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5027777777777778
[2024-11-08 18:31:32,685 INFO  L175             Difference]: Start difference. First operand has 62 places, 41 transitions, 157 flow. Second operand 9 states and 181 transitions.
[2024-11-08 18:31:32,685 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 72 transitions, 360 flow
[2024-11-08 18:31:32,688 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 72 transitions, 311 flow, removed 16 selfloop flow, removed 8 redundant places.
[2024-11-08 18:31:32,692 INFO  L231             Difference]: Finished difference. Result has 64 places, 41 transitions, 145 flow
[2024-11-08 18:31:32,692 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=145, PETRI_PLACES=64, PETRI_TRANSITIONS=41}
[2024-11-08 18:31:32,693 INFO  L277   CegarLoopForPetriNet]: 46 programPoint places, 18 predicate places.
[2024-11-08 18:31:32,693 INFO  L471      AbstractCegarLoop]: Abstraction has has 64 places, 41 transitions, 145 flow
[2024-11-08 18:31:32,696 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 16.0) internal successors, (160), 10 states have internal predecessors, (160), 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 18:31:32,696 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:31:32,697 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, 1]
[2024-11-08 18:31:32,697 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-08 18:31:32,697 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 18:31:32,697 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:31:32,698 INFO  L85        PathProgramCache]: Analyzing trace with hash 888460580, now seen corresponding path program 5 times
[2024-11-08 18:31:32,698 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:31:32,698 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963907842]
[2024-11-08 18:31:32,698 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:31:32,698 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:31:32,804 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:31:32,805 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 18:31:32,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:31:32,944 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 18:31:32,945 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-08 18:31:32,946 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining)
[2024-11-08 18:31:32,949 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining)
[2024-11-08 18:31:32,949 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining)
[2024-11-08 18:31:32,950 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining)
[2024-11-08 18:31:32,950 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining)
[2024-11-08 18:31:32,950 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining)
[2024-11-08 18:31:32,951 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-08 18:31:32,952 INFO  L407         BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1]
[2024-11-08 18:31:33,051 INFO  L239   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 18:31:33,051 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 18:31:33,062 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:31:33 BasicIcfg
[2024-11-08 18:31:33,062 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 18:31:33,063 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 18:31:33,063 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-08 18:31:33,063 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-08 18:31:33,064 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:31:19" (3/4) ...
[2024-11-08 18:31:33,065 INFO  L136         WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-08 18:31:33,254 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 18:31:33,254 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 18:31:33,255 INFO  L158              Benchmark]: Toolchain (without parser) took 15779.85ms. Allocated memory was 161.5MB in the beginning and 364.9MB in the end (delta: 203.4MB). Free memory was 128.1MB in the beginning and 319.4MB in the end (delta: -191.3MB). Peak memory consumption was 222.4MB. Max. memory is 16.1GB.
[2024-11-08 18:31:33,259 INFO  L158              Benchmark]: CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:31:33,259 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 995.82ms. Allocated memory is still 161.5MB. Free memory was 127.6MB in the beginning and 101.4MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-08 18:31:33,260 INFO  L158              Benchmark]: Boogie Procedure Inliner took 100.49ms. Allocated memory is still 161.5MB. Free memory was 101.4MB in the beginning and 98.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 18:31:33,260 INFO  L158              Benchmark]: Boogie Preprocessor took 101.51ms. Allocated memory is still 161.5MB. Free memory was 98.8MB in the beginning and 95.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:31:33,260 INFO  L158              Benchmark]: RCFGBuilder took 1112.82ms. Allocated memory is still 161.5MB. Free memory was 95.6MB in the beginning and 109.5MB in the end (delta: -13.8MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB.
[2024-11-08 18:31:33,261 INFO  L158              Benchmark]: TraceAbstraction took 13270.13ms. Allocated memory was 161.5MB in the beginning and 364.9MB in the end (delta: 203.4MB). Free memory was 108.6MB in the beginning and 118.3MB in the end (delta: -9.7MB). Peak memory consumption was 194.5MB. Max. memory is 16.1GB.
[2024-11-08 18:31:33,261 INFO  L158              Benchmark]: Witness Printer took 191.25ms. Allocated memory is still 364.9MB. Free memory was 118.3MB in the beginning and 319.4MB in the end (delta: -201.1MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB.
[2024-11-08 18:31:33,265 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 995.82ms. Allocated memory is still 161.5MB. Free memory was 127.6MB in the beginning and 101.4MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 100.49ms. Allocated memory is still 161.5MB. Free memory was 101.4MB in the beginning and 98.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 101.51ms. Allocated memory is still 161.5MB. Free memory was 98.8MB in the beginning and 95.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1112.82ms. Allocated memory is still 161.5MB. Free memory was 95.6MB in the beginning and 109.5MB in the end (delta: -13.8MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB.
 * TraceAbstraction took 13270.13ms. Allocated memory was 161.5MB in the beginning and 364.9MB in the end (delta: 203.4MB). Free memory was 108.6MB in the beginning and 118.3MB in the end (delta: -9.7MB). Peak memory consumption was 194.5MB. Max. memory is 16.1GB.
 * Witness Printer took 191.25ms. Allocated memory is still 364.9MB. Free memory was 118.3MB in the beginning and 319.4MB in the end (delta: -201.1MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 19]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L710]               0  int __unbuffered_cnt = 0;
[L712]               0  int __unbuffered_p0_EAX = 0;
[L714]               0  int __unbuffered_p2_EAX = 0;
[L716]               0  int __unbuffered_p2_EBX = 0;
[L717]               0  _Bool main$tmp_guard0;
[L718]               0  _Bool main$tmp_guard1;
[L720]               0  int x = 0;
[L721]               0  _Bool x$flush_delayed;
[L722]               0  int x$mem_tmp;
[L723]               0  _Bool x$r_buff0_thd0;
[L724]               0  _Bool x$r_buff0_thd1;
[L725]               0  _Bool x$r_buff0_thd2;
[L726]               0  _Bool x$r_buff0_thd3;
[L727]               0  _Bool x$r_buff1_thd0;
[L728]               0  _Bool x$r_buff1_thd1;
[L729]               0  _Bool x$r_buff1_thd2;
[L730]               0  _Bool x$r_buff1_thd3;
[L731]               0  _Bool x$read_delayed;
[L732]               0  int *x$read_delayed_var;
[L733]               0  int x$w_buff0;
[L734]               0  _Bool x$w_buff0_used;
[L735]               0  int x$w_buff1;
[L736]               0  _Bool x$w_buff1_used;
[L738]               0  int y = 0;
[L740]               0  int z = 0;
[L741]               0  _Bool weak$$choice0;
[L742]               0  _Bool weak$$choice2;
[L834]               0  pthread_t t666;
[L835]  FCALL, FORK  0  pthread_create(&t666, ((void *)0), P0, ((void *)0))
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t666=-3, 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, z=0]
[L836]               0  pthread_t t667;
[L837]  FCALL, FORK  0  pthread_create(&t667, ((void *)0), P1, ((void *)0))
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t666=-3, t667=-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, z=0]
[L838]               0  pthread_t t668;
[L839]  FCALL, FORK  0  pthread_create(&t668, ((void *)0), P2, ((void *)0))
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t666=-3, t667=-2, t668=-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, z=0]
[L774]               2  x$w_buff1 = x$w_buff0
[L775]               2  x$w_buff0 = 1
[L776]               2  x$w_buff1_used = x$w_buff0_used
[L777]               2  x$w_buff0_used = (_Bool)1
[L778]  CALL         2  __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used))
[L19]   COND FALSE   2  !(!expression)
[L778]  RET          2  __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used))
[L779]               2  x$r_buff1_thd0 = x$r_buff0_thd0
[L780]               2  x$r_buff1_thd1 = x$r_buff0_thd1
[L781]               2  x$r_buff1_thd2 = x$r_buff0_thd2
[L782]               2  x$r_buff1_thd3 = x$r_buff0_thd3
[L783]               2  x$r_buff0_thd2 = (_Bool)1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$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$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0, z=0]
[L786]               2  y = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=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$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1, z=0]
[L803]               3  y = 2
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=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$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2, z=0]
[L806]               3  __unbuffered_p2_EAX = y
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __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$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2, z=0]
[L809]               3  __unbuffered_p2_EBX = z
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __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$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2, z=0]
[L746]               1  z = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __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$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2, z=1]
[L749]               1  weak$$choice0 = __VERIFIER_nondet_bool()
[L750]               1  weak$$choice2 = __VERIFIER_nondet_bool()
[L751]               1  x$flush_delayed = weak$$choice2
[L752]               1  x$mem_tmp = x
[L753]               1  x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1)
[L754]               1  x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0))
[L755]               1  x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1))
[L756]               1  x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used))
[L757]               1  x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L758]               1  x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1))
[L759]               1  x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L760]               1  __unbuffered_p0_EAX = x
[L761]               1  x = x$flush_delayed ? x$mem_tmp : x
[L762]               1  x$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2, z=1]
[L812]               3  x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x)
[L813]               3  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used
[L814]               3  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used
[L815]               3  x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3
[L816]               3  x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2, z=1]
[L789]               2  x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x)
[L790]               2  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used
[L791]               2  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used
[L792]               2  x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2
[L793]               2  x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1]
[L796]               2  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1]
[L819]               3  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1]
[L767]               1  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1]
[L841]               0  main$tmp_guard0 = __unbuffered_cnt == 3
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t666=-3, t667=-2, t668=-1, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1]
[L843]  CALL         0  assume_abort_if_not(main$tmp_guard0)
[L4]    COND FALSE   0  !(!cond)
[L843]  RET          0  assume_abort_if_not(main$tmp_guard0)
[L845]               0  x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x)
[L846]               0  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used
[L847]               0  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used
[L848]               0  x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0
[L849]               0  x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t666=-3, t667=-2, t668=-1, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1]
[L852]               0  main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t666=-3, t667=-2, t668=-1, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1]
[L854]  CALL         0  __VERIFIER_assert(main$tmp_guard1)
[L19]   COND TRUE    0  !expression
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1]
[L19]                0  reach_error()
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, 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$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1]

  - UnprovableResult [Line: 19]: 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: 835]: 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: 837]: 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: 839]: 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, 66 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: 13.0s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 431 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 405 mSDsluCounter, 240 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 212 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1007 IncrementalHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 28 mSDtfsCounter, 1007 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=199occurred in iteration=6, InterpolantAutomatonStates: 48, 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: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 213 NumberOfCodeBlocks, 213 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 1543 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 18:31:33,314 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2e9eb0-ae01-45c0-8f3d-e3a3d58a6f31/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