./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6552113-41d3-4374-8911-5c2cc3057bd1/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6552113-41d3-4374-8911-5c2cc3057bd1/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_f6552113-41d3-4374-8911-5c2cc3057bd1/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6552113-41d3-4374-8911-5c2cc3057bd1/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6552113-41d3-4374-8911-5c2cc3057bd1/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_f6552113-41d3-4374-8911-5c2cc3057bd1/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 4c09a669e55905e4420a018d9d131490861f4e5b62b0d12706f3ee95b5f0c90f
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:24:48,009 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:24:48,112 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6552113-41d3-4374-8911-5c2cc3057bd1/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 18:24:48,121 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:24:48,123 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:24:48,161 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:24:48,161 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:24:48,162 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:24:48,163 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:24:48,164 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 18:24:48,164 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:24:48,165 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:24:48,165 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:24:48,166 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 18:24:48,168 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 18:24:48,168 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:24:48,169 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-08 18:24:48,169 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-08 18:24:48,169 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 18:24:48,170 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-08 18:24:48,170 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 18:24:48,174 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 18:24:48,175 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:24:48,175 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 18:24:48,175 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 18:24:48,175 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-08 18:24:48,176 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-08 18:24:48,176 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 18:24:48,176 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:24:48,176 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 18:24:48,177 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:24:48,177 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 18:24:48,177 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:24:48,178 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:24:48,178 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:24:48,179 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 18:24:48,179 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-08 18:24:48,180 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:24:48,180 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:24:48,181 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:24:48,181 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:24:48,184 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:24:48,185 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_f6552113-41d3-4374-8911-5c2cc3057bd1/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_f6552113-41d3-4374-8911-5c2cc3057bd1/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 -> 4c09a669e55905e4420a018d9d131490861f4e5b62b0d12706f3ee95b5f0c90f
[2024-11-08 18:24:48,476 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:24:48,502 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:24:48,504 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:24:48,506 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 18:24:48,506 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 18:24:48,507 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6552113-41d3-4374-8911-5c2cc3057bd1/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i
Unable to find full path for "g++"
[2024-11-08 18:24:50,466 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:24:50,850 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 18:24:50,850 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6552113-41d3-4374-8911-5c2cc3057bd1/sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i
[2024-11-08 18:24:50,877 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6552113-41d3-4374-8911-5c2cc3057bd1/bin/uautomizer-verify-jihMAELWvX/data/6ee10058f/6e803583c08f4f539dea6967f27800ed/FLAGa5409487b
[2024-11-08 18:24:50,900 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6552113-41d3-4374-8911-5c2cc3057bd1/bin/uautomizer-verify-jihMAELWvX/data/6ee10058f/6e803583c08f4f539dea6967f27800ed
[2024-11-08 18:24:50,903 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:24:50,904 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:24:50,908 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:24:50,909 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:24:50,916 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:24:50,917 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:24:50" (1/1) ...
[2024-11-08 18:24:50,918 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@418fb692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:24:50, skipping insertion in model container
[2024-11-08 18:24:50,918 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:24:50" (1/1) ...
[2024-11-08 18:24:50,988 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:24:51,381 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_f6552113-41d3-4374-8911-5c2cc3057bd1/sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996]
[2024-11-08 18:24:51,666 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:24:51,695 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 18:24:51,716 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_f6552113-41d3-4374-8911-5c2cc3057bd1/sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996]
[2024-11-08 18:24:51,817 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:24:51,906 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 18:24:51,907 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:24:51 WrapperNode
[2024-11-08 18:24:51,908 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:24:51,910 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:24:51,910 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:24:51,911 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:24:51,925 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:24:51" (1/1) ...
[2024-11-08 18:24:51,970 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:24:51" (1/1) ...
[2024-11-08 18:24:52,058 INFO  L138                Inliner]: procedures = 174, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 130
[2024-11-08 18:24:52,062 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:24:52,063 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:24:52,064 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:24:52,064 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:24:52,090 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:24:51" (1/1) ...
[2024-11-08 18:24:52,091 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:24:51" (1/1) ...
[2024-11-08 18:24:52,097 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:24:51" (1/1) ...
[2024-11-08 18:24:52,132 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 18:24:52,133 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:24:51" (1/1) ...
[2024-11-08 18:24:52,133 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:24:51" (1/1) ...
[2024-11-08 18:24:52,141 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:24:51" (1/1) ...
[2024-11-08 18:24:52,144 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:24:51" (1/1) ...
[2024-11-08 18:24:52,146 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:24:51" (1/1) ...
[2024-11-08 18:24:52,148 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:24:51" (1/1) ...
[2024-11-08 18:24:52,152 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:24:52,153 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:24:52,154 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:24:52,154 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:24:52,156 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:24:51" (1/1) ...
[2024-11-08 18:24:52,171 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:24:52,192 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6552113-41d3-4374-8911-5c2cc3057bd1/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:24:52,215 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6552113-41d3-4374-8911-5c2cc3057bd1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:24:52,220 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6552113-41d3-4374-8911-5c2cc3057bd1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:24:52,266 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 18:24:52,266 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:24:52,267 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2024-11-08 18:24:52,267 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2024-11-08 18:24:52,268 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2024-11-08 18:24:52,269 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2024-11-08 18:24:52,269 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 18:24:52,269 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 18:24:52,269 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:24:52,270 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:24:52,274 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 18:24:52,486 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 18:24:52,492 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:24:52,944 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 18:24:52,944 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 18:24:53,362 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:24:53,363 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 18:24:53,363 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:24:53 BoogieIcfgContainer
[2024-11-08 18:24:53,364 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:24:53,367 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:24:53,368 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:24:53,372 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:24:53,373 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:24:50" (1/3) ...
[2024-11-08 18:24:53,374 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51caad92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:24:53, skipping insertion in model container
[2024-11-08 18:24:53,374 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:24:51" (2/3) ...
[2024-11-08 18:24:53,376 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51caad92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:24:53, skipping insertion in model container
[2024-11-08 18:24:53,376 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:24:53" (3/3) ...
[2024-11-08 18:24:53,379 INFO  L112   eAbstractionObserver]: Analyzing ICFG rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i
[2024-11-08 18:24:53,402 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:24:53,403 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-08 18:24:53,403 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 18:24:53,471 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-08 18:24:53,521 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 38 places, 32 transitions, 72 flow
[2024-11-08 18:24:53,553 INFO  L124   PetriNetUnfolderBase]: 1/30 cut-off events.
[2024-11-08 18:24:53,554 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:24:53,557 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 37 conditions, 30 events. 1/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. 
[2024-11-08 18:24:53,557 INFO  L82        GeneralOperation]: Start removeDead. Operand has 38 places, 32 transitions, 72 flow
[2024-11-08 18:24:53,561 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 36 places, 30 transitions, 66 flow
[2024-11-08 18:24:53,572 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:24:53,579 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;@789219bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:24:53,580 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-11-08 18:24:53,587 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 18:24:53,588 INFO  L124   PetriNetUnfolderBase]: 0/10 cut-off events.
[2024-11-08 18:24:53,588 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:24:53,588 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:24:53,589 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-08 18:24:53,590 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-11-08 18:24:53,596 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:24:53,596 INFO  L85        PathProgramCache]: Analyzing trace with hash 834187690, now seen corresponding path program 1 times
[2024-11-08 18:24:53,607 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:24:53,608 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817151162]
[2024-11-08 18:24:53,608 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:24:53,608 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:24:53,771 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:24:54,273 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 18:24:54,274 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:24:54,274 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817151162]
[2024-11-08 18:24:54,275 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817151162] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:24:54,276 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:24:54,276 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 18:24:54,278 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367882289]
[2024-11-08 18:24:54,278 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:24:54,288 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 18:24:54,311 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:24:54,355 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 18:24:54,355 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:24:54,357 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 15 out of 32
[2024-11-08 18:24:54,361 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 30 transitions, 66 flow. Second operand  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 18:24:54,361 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:24:54,362 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 32
[2024-11-08 18:24:54,363 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:24:54,658 INFO  L124   PetriNetUnfolderBase]: 112/306 cut-off events.
[2024-11-08 18:24:54,658 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:24:54,661 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 521 conditions, 306 events. 112/306 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1667 event pairs, 16 based on Foata normal form. 12/312 useless extension candidates. Maximal degree in co-relation 511. Up to 160 conditions per place. 
[2024-11-08 18:24:54,665 INFO  L140   encePairwiseOnDemand]: 28/32 looper letters, 19 selfloop transitions, 2 changer transitions 2/36 dead transitions.
[2024-11-08 18:24:54,665 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 36 transitions, 124 flow
[2024-11-08 18:24:54,667 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 18:24:54,669 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 18:24:54,677 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 71 transitions.
[2024-11-08 18:24:54,680 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.7395833333333334
[2024-11-08 18:24:54,682 INFO  L175             Difference]: Start difference. First operand has 36 places, 30 transitions, 66 flow. Second operand 3 states and 71 transitions.
[2024-11-08 18:24:54,683 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 36 transitions, 124 flow
[2024-11-08 18:24:54,686 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 36 transitions, 122 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 18:24:54,689 INFO  L231             Difference]: Finished difference. Result has 35 places, 27 transitions, 62 flow
[2024-11-08 18:24:54,691 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=62, PETRI_PLACES=35, PETRI_TRANSITIONS=27}
[2024-11-08 18:24:54,695 INFO  L277   CegarLoopForPetriNet]: 36 programPoint places, -1 predicate places.
[2024-11-08 18:24:54,697 INFO  L471      AbstractCegarLoop]: Abstraction has has 35 places, 27 transitions, 62 flow
[2024-11-08 18:24:54,697 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 18:24:54,697 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:24:54,698 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:24:54,698 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:24:54,699 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-11-08 18:24:54,699 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:24:54,701 INFO  L85        PathProgramCache]: Analyzing trace with hash -808504978, now seen corresponding path program 1 times
[2024-11-08 18:24:54,701 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:24:54,702 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074543817]
[2024-11-08 18:24:54,702 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:24:54,702 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:24:54,798 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:24:55,178 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 18:24:55,181 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:24:55,182 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074543817]
[2024-11-08 18:24:55,182 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074543817] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:24:55,182 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:24:55,182 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:24:55,182 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822141474]
[2024-11-08 18:24:55,183 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:24:55,184 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:24:55,185 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:24:55,186 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:24:55,186 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:24:55,210 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 12 out of 32
[2024-11-08 18:24:55,211 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 27 transitions, 62 flow. Second operand  has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 18:24:55,211 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:24:55,211 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 32
[2024-11-08 18:24:55,212 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:24:55,487 INFO  L124   PetriNetUnfolderBase]: 161/353 cut-off events.
[2024-11-08 18:24:55,488 INFO  L125   PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES.
[2024-11-08 18:24:55,489 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 689 conditions, 353 events. 161/353 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1717 event pairs, 24 based on Foata normal form. 20/349 useless extension candidates. Maximal degree in co-relation 679. Up to 166 conditions per place. 
[2024-11-08 18:24:55,492 INFO  L140   encePairwiseOnDemand]: 27/32 looper letters, 28 selfloop transitions, 4 changer transitions 1/43 dead transitions.
[2024-11-08 18:24:55,492 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 43 transitions, 166 flow
[2024-11-08 18:24:55,493 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 18:24:55,493 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 18:24:55,494 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 83 transitions.
[2024-11-08 18:24:55,494 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.6484375
[2024-11-08 18:24:55,495 INFO  L175             Difference]: Start difference. First operand has 35 places, 27 transitions, 62 flow. Second operand 4 states and 83 transitions.
[2024-11-08 18:24:55,495 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 43 transitions, 166 flow
[2024-11-08 18:24:55,496 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 43 transitions, 158 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 18:24:55,498 INFO  L231             Difference]: Finished difference. Result has 37 places, 29 transitions, 84 flow
[2024-11-08 18:24:55,498 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=84, PETRI_PLACES=37, PETRI_TRANSITIONS=29}
[2024-11-08 18:24:55,499 INFO  L277   CegarLoopForPetriNet]: 36 programPoint places, 1 predicate places.
[2024-11-08 18:24:55,499 INFO  L471      AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 84 flow
[2024-11-08 18:24:55,500 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 18:24:55,500 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:24:55,500 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:24:55,501 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 18:24:55,501 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-11-08 18:24:55,502 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:24:55,502 INFO  L85        PathProgramCache]: Analyzing trace with hash 1203523660, now seen corresponding path program 1 times
[2024-11-08 18:24:55,503 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:24:55,503 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178950330]
[2024-11-08 18:24:55,504 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:24:55,504 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:24:55,584 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:24:55,930 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 18:24:55,931 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:24:55,931 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178950330]
[2024-11-08 18:24:55,931 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178950330] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:24:55,931 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:24:55,932 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:24:55,932 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566775074]
[2024-11-08 18:24:55,932 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:24:55,933 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 18:24:55,933 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:24:55,933 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 18:24:55,934 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:24:55,943 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 12 out of 32
[2024-11-08 18:24:55,944 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 29 transitions, 84 flow. Second operand  has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 18:24:55,944 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:24:55,944 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 32
[2024-11-08 18:24:55,944 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:24:56,139 INFO  L124   PetriNetUnfolderBase]: 84/190 cut-off events.
[2024-11-08 18:24:56,139 INFO  L125   PetriNetUnfolderBase]: For 61/61 co-relation queries the response was YES.
[2024-11-08 18:24:56,142 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 445 conditions, 190 events. 84/190 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 641 event pairs, 16 based on Foata normal form. 14/192 useless extension candidates. Maximal degree in co-relation 433. Up to 71 conditions per place. 
[2024-11-08 18:24:56,143 INFO  L140   encePairwiseOnDemand]: 27/32 looper letters, 24 selfloop transitions, 6 changer transitions 1/41 dead transitions.
[2024-11-08 18:24:56,143 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 41 transitions, 175 flow
[2024-11-08 18:24:56,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-08 18:24:56,145 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-08 18:24:56,146 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 93 transitions.
[2024-11-08 18:24:56,147 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.58125
[2024-11-08 18:24:56,147 INFO  L175             Difference]: Start difference. First operand has 37 places, 29 transitions, 84 flow. Second operand 5 states and 93 transitions.
[2024-11-08 18:24:56,147 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 41 transitions, 175 flow
[2024-11-08 18:24:56,148 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 41 transitions, 166 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-11-08 18:24:56,153 INFO  L231             Difference]: Finished difference. Result has 41 places, 29 transitions, 100 flow
[2024-11-08 18:24:56,153 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=100, PETRI_PLACES=41, PETRI_TRANSITIONS=29}
[2024-11-08 18:24:56,154 INFO  L277   CegarLoopForPetriNet]: 36 programPoint places, 5 predicate places.
[2024-11-08 18:24:56,155 INFO  L471      AbstractCegarLoop]: Abstraction has has 41 places, 29 transitions, 100 flow
[2024-11-08 18:24:56,155 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 18:24:56,155 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:24:56,155 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 18:24:56,156 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 18:24:56,156 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-11-08 18:24:56,156 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:24:56,156 INFO  L85        PathProgramCache]: Analyzing trace with hash 123161291, now seen corresponding path program 1 times
[2024-11-08 18:24:56,157 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:24:56,157 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503280214]
[2024-11-08 18:24:56,157 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:24:56,157 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:24:56,297 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:24:56,651 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 18:24:56,652 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:24:56,652 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503280214]
[2024-11-08 18:24:56,652 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503280214] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:24:56,652 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:24:56,652 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-08 18:24:56,653 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680304723]
[2024-11-08 18:24:56,653 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:24:56,653 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:24:56,654 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:24:56,654 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:24:56,657 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:24:56,675 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 12 out of 32
[2024-11-08 18:24:56,676 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 29 transitions, 100 flow. Second operand  has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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 18:24:56,676 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:24:56,676 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 32
[2024-11-08 18:24:56,676 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:24:56,924 INFO  L124   PetriNetUnfolderBase]: 108/268 cut-off events.
[2024-11-08 18:24:56,924 INFO  L125   PetriNetUnfolderBase]: For 106/106 co-relation queries the response was YES.
[2024-11-08 18:24:56,925 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 609 conditions, 268 events. 108/268 cut-off events. For 106/106 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1043 event pairs, 30 based on Foata normal form. 4/265 useless extension candidates. Maximal degree in co-relation 595. Up to 118 conditions per place. 
[2024-11-08 18:24:56,926 INFO  L140   encePairwiseOnDemand]: 27/32 looper letters, 19 selfloop transitions, 1 changer transitions 17/49 dead transitions.
[2024-11-08 18:24:56,926 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 49 transitions, 222 flow
[2024-11-08 18:24:56,927 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-08 18:24:56,927 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 18:24:56,928 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 110 transitions.
[2024-11-08 18:24:56,928 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5729166666666666
[2024-11-08 18:24:56,928 INFO  L175             Difference]: Start difference. First operand has 41 places, 29 transitions, 100 flow. Second operand 6 states and 110 transitions.
[2024-11-08 18:24:56,929 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 49 transitions, 222 flow
[2024-11-08 18:24:56,932 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 49 transitions, 188 flow, removed 8 selfloop flow, removed 6 redundant places.
[2024-11-08 18:24:56,933 INFO  L231             Difference]: Finished difference. Result has 44 places, 29 transitions, 83 flow
[2024-11-08 18:24:56,933 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=83, PETRI_PLACES=44, PETRI_TRANSITIONS=29}
[2024-11-08 18:24:56,934 INFO  L277   CegarLoopForPetriNet]: 36 programPoint places, 8 predicate places.
[2024-11-08 18:24:56,934 INFO  L471      AbstractCegarLoop]: Abstraction has has 44 places, 29 transitions, 83 flow
[2024-11-08 18:24:56,935 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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 18:24:56,935 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:24:56,935 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 18:24:56,935 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 18:24:56,935 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-11-08 18:24:56,936 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:24:56,936 INFO  L85        PathProgramCache]: Analyzing trace with hash 661104163, now seen corresponding path program 2 times
[2024-11-08 18:24:56,936 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:24:56,936 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057751578]
[2024-11-08 18:24:56,937 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:24:56,937 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:24:57,043 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:24:59,945 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 18:24:59,945 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:24:59,945 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057751578]
[2024-11-08 18:24:59,946 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057751578] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:24:59,946 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:24:59,946 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-08 18:24:59,946 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431108152]
[2024-11-08 18:24:59,947 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:24:59,948 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-08 18:24:59,948 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:24:59,949 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-08 18:24:59,950 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2024-11-08 18:24:59,985 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 11 out of 32
[2024-11-08 18:24:59,985 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 29 transitions, 83 flow. Second operand  has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 9 states have internal predecessors, (115), 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 18:24:59,986 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:24:59,986 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 32
[2024-11-08 18:24:59,986 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:25:00,479 INFO  L124   PetriNetUnfolderBase]: 117/294 cut-off events.
[2024-11-08 18:25:00,480 INFO  L125   PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2024-11-08 18:25:00,481 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 603 conditions, 294 events. 117/294 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1207 event pairs, 39 based on Foata normal form. 4/287 useless extension candidates. Maximal degree in co-relation 589. Up to 106 conditions per place. 
[2024-11-08 18:25:00,482 INFO  L140   encePairwiseOnDemand]: 23/32 looper letters, 18 selfloop transitions, 5 changer transitions 22/56 dead transitions.
[2024-11-08 18:25:00,482 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 56 transitions, 233 flow
[2024-11-08 18:25:00,483 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-08 18:25:00,483 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-11-08 18:25:00,484 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 145 transitions.
[2024-11-08 18:25:00,486 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5034722222222222
[2024-11-08 18:25:00,486 INFO  L175             Difference]: Start difference. First operand has 44 places, 29 transitions, 83 flow. Second operand 9 states and 145 transitions.
[2024-11-08 18:25:00,487 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 56 transitions, 233 flow
[2024-11-08 18:25:00,488 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 56 transitions, 222 flow, removed 5 selfloop flow, removed 4 redundant places.
[2024-11-08 18:25:00,489 INFO  L231             Difference]: Finished difference. Result has 49 places, 29 transitions, 98 flow
[2024-11-08 18:25:00,490 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=98, PETRI_PLACES=49, PETRI_TRANSITIONS=29}
[2024-11-08 18:25:00,492 INFO  L277   CegarLoopForPetriNet]: 36 programPoint places, 13 predicate places.
[2024-11-08 18:25:00,494 INFO  L471      AbstractCegarLoop]: Abstraction has has 49 places, 29 transitions, 98 flow
[2024-11-08 18:25:00,494 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 9 states have internal predecessors, (115), 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 18:25:00,494 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:25:00,495 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 18:25:00,495 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 18:25:00,495 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-11-08 18:25:00,496 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:25:00,496 INFO  L85        PathProgramCache]: Analyzing trace with hash 1945866811, now seen corresponding path program 3 times
[2024-11-08 18:25:00,497 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:25:00,497 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395243155]
[2024-11-08 18:25:00,497 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:25:00,497 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:25:00,593 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:25:00,594 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 18:25:00,704 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:25:00,747 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 18:25:00,747 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-08 18:25:00,749 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining)
[2024-11-08 18:25:00,754 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining)
[2024-11-08 18:25:00,754 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining)
[2024-11-08 18:25:00,754 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining)
[2024-11-08 18:25:00,755 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining)
[2024-11-08 18:25:00,755 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-08 18:25:00,755 INFO  L407         BasicCegarLoop]: Path program histogram: [3, 1, 1, 1]
[2024-11-08 18:25:00,850 INFO  L239   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 18:25:00,850 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 18:25:00,857 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:25:00 BasicIcfg
[2024-11-08 18:25:00,857 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 18:25:00,858 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 18:25:00,858 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-08 18:25:00,858 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-08 18:25:00,859 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:24:53" (3/4) ...
[2024-11-08 18:25:00,860 INFO  L136         WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-08 18:25:00,970 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6552113-41d3-4374-8911-5c2cc3057bd1/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 18:25:00,970 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 18:25:00,971 INFO  L158              Benchmark]: Toolchain (without parser) took 10066.68ms. Allocated memory was 192.9MB in the beginning and 310.4MB in the end (delta: 117.4MB). Free memory was 158.9MB in the beginning and 107.6MB in the end (delta: 51.2MB). Peak memory consumption was 167.9MB. Max. memory is 16.1GB.
[2024-11-08 18:25:00,971 INFO  L158              Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory was 89.9MB in the beginning and 89.8MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:25:00,972 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1000.58ms. Allocated memory is still 192.9MB. Free memory was 158.9MB in the beginning and 145.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 18:25:00,972 INFO  L158              Benchmark]: Boogie Procedure Inliner took 153.22ms. Allocated memory is still 192.9MB. Free memory was 145.8MB in the beginning and 142.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:25:00,973 INFO  L158              Benchmark]: Boogie Preprocessor took 88.82ms. Allocated memory is still 192.9MB. Free memory was 142.8MB in the beginning and 139.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 18:25:00,973 INFO  L158              Benchmark]: RCFGBuilder took 1210.58ms. Allocated memory is still 192.9MB. Free memory was 139.6MB in the beginning and 92.4MB in the end (delta: 47.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB.
[2024-11-08 18:25:00,974 INFO  L158              Benchmark]: TraceAbstraction took 7489.88ms. Allocated memory was 192.9MB in the beginning and 310.4MB in the end (delta: 117.4MB). Free memory was 91.4MB in the beginning and 117.1MB in the end (delta: -25.7MB). Peak memory consumption was 93.8MB. Max. memory is 16.1GB.
[2024-11-08 18:25:00,974 INFO  L158              Benchmark]: Witness Printer took 112.26ms. Allocated memory is still 310.4MB. Free memory was 116.0MB in the beginning and 107.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-08 18:25:00,976 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory was 89.9MB in the beginning and 89.8MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1000.58ms. Allocated memory is still 192.9MB. Free memory was 158.9MB in the beginning and 145.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 153.22ms. Allocated memory is still 192.9MB. Free memory was 145.8MB in the beginning and 142.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 88.82ms. Allocated memory is still 192.9MB. Free memory was 142.8MB in the beginning and 139.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1210.58ms. Allocated memory is still 192.9MB. Free memory was 139.6MB in the beginning and 92.4MB in the end (delta: 47.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB.
 * TraceAbstraction took 7489.88ms. Allocated memory was 192.9MB in the beginning and 310.4MB in the end (delta: 117.4MB). Free memory was 91.4MB in the beginning and 117.1MB in the end (delta: -25.7MB). Peak memory consumption was 93.8MB. Max. memory is 16.1GB.
 * Witness Printer took 112.26ms. Allocated memory is still 310.4MB. Free memory was 116.0MB in the beginning and 107.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 18]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L708]               0  int __unbuffered_cnt = 0;
[L710]               0  int __unbuffered_p1_EAX = 0;
[L712]               0  int __unbuffered_p1_EBX = 0;
[L713]               0  _Bool main$tmp_guard0;
[L714]               0  _Bool main$tmp_guard1;
[L716]               0  int x = 0;
[L718]               0  int y = 0;
[L719]               0  _Bool y$flush_delayed;
[L720]               0  int y$mem_tmp;
[L721]               0  _Bool y$r_buff0_thd0;
[L722]               0  _Bool y$r_buff0_thd1;
[L723]               0  _Bool y$r_buff0_thd2;
[L724]               0  _Bool y$r_buff1_thd0;
[L725]               0  _Bool y$r_buff1_thd1;
[L726]               0  _Bool y$r_buff1_thd2;
[L727]               0  _Bool y$read_delayed;
[L728]               0  int *y$read_delayed_var;
[L729]               0  int y$w_buff0;
[L730]               0  _Bool y$w_buff0_used;
[L731]               0  int y$w_buff1;
[L732]               0  _Bool y$w_buff1_used;
[L734]               0  int z = 0;
[L735]               0  _Bool weak$$choice0;
[L736]               0  _Bool weak$$choice2;
[L802]               0  pthread_t t1603;
[L803]  FCALL, FORK  0  pthread_create(&t1603, ((void *)0), P0, ((void *)0))
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1603=-1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0]
[L804]               0  pthread_t t1604;
[L805]  FCALL, FORK  0  pthread_create(&t1604, ((void *)0), P1, ((void *)0))
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1603=-1, t1604=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0]
[L760]               2  y$w_buff1 = y$w_buff0
[L761]               2  y$w_buff0 = 2
[L762]               2  y$w_buff1_used = y$w_buff0_used
[L763]               2  y$w_buff0_used = (_Bool)1
[L764]  CALL         2  __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used))
[L18]   COND FALSE   2  !(!expression)
[L764]  RET          2  __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used))
[L765]               2  y$r_buff1_thd0 = y$r_buff0_thd0
[L766]               2  y$r_buff1_thd1 = y$r_buff0_thd1
[L767]               2  y$r_buff1_thd2 = y$r_buff0_thd2
[L768]               2  y$r_buff0_thd2 = (_Bool)1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0]
[L771]               2  z = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1]
[L774]               2  __unbuffered_p1_EAX = z
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1]
[L777]               2  __unbuffered_p1_EBX = x
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1]
[L740]               1  x = 1
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1]
[L743]               1  y = 1
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1]
[L746]               1  y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y)
[L747]               1  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used
[L748]               1  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used
[L749]               1  y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1
[L750]               1  y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1]
[L753]               1  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1]
[L780]               2  y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)
[L781]               2  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used
[L782]               2  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used
[L783]               2  y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2
[L784]               2  y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1]
[L787]               2  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1]
[L807]               0  main$tmp_guard0 = __unbuffered_cnt == 2
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1603=-1, t1604=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1]
[L809]  CALL         0  assume_abort_if_not(main$tmp_guard0)
[L3]    COND FALSE   0  !(!cond)
[L809]  RET          0  assume_abort_if_not(main$tmp_guard0)
[L811]               0  y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y)
[L812]               0  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used
[L813]               0  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used
[L814]               0  y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0
[L815]               0  y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1603=-1, t1604=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1]
[L818]               0  weak$$choice0 = __VERIFIER_nondet_bool()
[L819]               0  weak$$choice2 = __VERIFIER_nondet_bool()
[L820]               0  y$flush_delayed = weak$$choice2
[L821]               0  y$mem_tmp = y
[L822]               0  y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1)
[L823]               0  y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0))
[L824]               0  y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1))
[L825]               0  y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used))
[L826]               0  y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L827]               0  y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0))
[L828]               0  y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L829]               0  main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0)
[L830]               0  y = y$flush_delayed ? y$mem_tmp : y
[L831]               0  y$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1603=-1, t1604=0, weak$$choice0=1, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1]
[L833]  CALL         0  __VERIFIER_assert(main$tmp_guard1)
[L18]   COND TRUE    0  !expression
        VAL             [\old(arg)={0:0}, \old(expression)=0, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1]
[L18]                0  reach_error()
        VAL             [\old(arg)={0:0}, \old(expression)=0, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1]

  - UnprovableResult [Line: 18]: Unable to prove that a call to reach_error is unreachable
    Unable to prove that a call to reach_error is unreachable
 Reason: Not analyzed. 
  - UnprovableResult [Line: 803]: 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: 805]: 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 5 procedures, 51 locations, 5 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: 7.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 127 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 419 IncrementalHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 8 mSDtfsCounter, 419 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=3, InterpolantAutomatonStates: 27, 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, 0.5s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 567 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 18:25:01,018 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6552113-41d3-4374-8911-5c2cc3057bd1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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