./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/triangular-1.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version b86fb0b7
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread/triangular-1.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b585114ab4aff9777d36c84f93f7abe0931f77338421f004296c8a8d328d3dfd --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml
--- Real Ultimate output ---
This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m
[2024-10-18 07:09:24,150 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-18 07:09:24,238 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-10-18 07:09:24,243 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-18 07:09:24,243 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-18 07:09:24,271 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-18 07:09:24,273 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-18 07:09:24,273 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-18 07:09:24,274 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-18 07:09:24,275 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-18 07:09:24,276 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-18 07:09:24,276 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-18 07:09:24,277 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-18 07:09:24,277 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-18 07:09:24,279 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-18 07:09:24,279 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-10-18 07:09:24,279 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-10-18 07:09:24,280 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-10-18 07:09:24,280 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-18 07:09:24,280 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-18 07:09:24,280 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-18 07:09:24,284 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-18 07:09:24,284 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-18 07:09:24,285 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-10-18 07:09:24,285 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-18 07:09:24,285 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-18 07:09:24,285 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-18 07:09:24,286 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-18 07:09:24,286 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-18 07:09:24,286 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-18 07:09:24,286 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-18 07:09:24,287 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-18 07:09:24,287 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-18 07:09:24,287 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2024-10-18 07:09:24,287 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-18 07:09:24,288 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-18 07:09:24,288 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-10-18 07:09:24,288 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-18 07:09:24,288 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-10-18 07:09:24,289 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-10-18 07:09:24,298 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-10-18 07:09:24,298 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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 -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux
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 -> GemCutter
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 -> b585114ab4aff9777d36c84f93f7abe0931f77338421f004296c8a8d328d3dfd
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT
[2024-10-18 07:09:24,534 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-18 07:09:24,564 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-18 07:09:24,566 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-18 07:09:24,568 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-18 07:09:24,568 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-18 07:09:24,569 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/triangular-1.i
[2024-10-18 07:09:26,059 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-18 07:09:26,304 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-18 07:09:26,306 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-1.i
[2024-10-18 07:09:26,321 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e40740b46/7c9d311f048d4e4fa8343ae8d232c7b4/FLAG673a34db7
[2024-10-18 07:09:26,648 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e40740b46/7c9d311f048d4e4fa8343ae8d232c7b4
[2024-10-18 07:09:26,651 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-18 07:09:26,652 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-18 07:09:26,653 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-18 07:09:26,655 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-18 07:09:26,661 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-18 07:09:26,662 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 07:09:26" (1/1) ...
[2024-10-18 07:09:26,662 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c40f925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:09:26, skipping insertion in model container
[2024-10-18 07:09:26,663 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 07:09:26" (1/1) ...
[2024-10-18 07:09:26,717 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-18 07:09:27,037 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-1.i[30950,30963]
[2024-10-18 07:09:27,042 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-18 07:09:27,051 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-18 07:09:27,115 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-1.i[30950,30963]
[2024-10-18 07:09:27,116 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-18 07:09:27,166 INFO  L204         MainTranslator]: Completed translation
[2024-10-18 07:09:27,166 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:09:27 WrapperNode
[2024-10-18 07:09:27,167 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-18 07:09:27,168 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-18 07:09:27,168 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-18 07:09:27,169 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-18 07:09:27,176 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:09:27" (1/1) ...
[2024-10-18 07:09:27,194 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:09:27" (1/1) ...
[2024-10-18 07:09:27,216 INFO  L138                Inliner]: procedures = 168, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37
[2024-10-18 07:09:27,217 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-18 07:09:27,218 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-18 07:09:27,218 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-18 07:09:27,218 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-18 07:09:27,226 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:09:27" (1/1) ...
[2024-10-18 07:09:27,226 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:09:27" (1/1) ...
[2024-10-18 07:09:27,230 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:09:27" (1/1) ...
[2024-10-18 07:09:27,231 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:09:27" (1/1) ...
[2024-10-18 07:09:27,235 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:09:27" (1/1) ...
[2024-10-18 07:09:27,242 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:09:27" (1/1) ...
[2024-10-18 07:09:27,247 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:09:27" (1/1) ...
[2024-10-18 07:09:27,249 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:09:27" (1/1) ...
[2024-10-18 07:09:27,251 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-18 07:09:27,253 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-18 07:09:27,253 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-18 07:09:27,253 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-18 07:09:27,254 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:09:27" (1/1) ...
[2024-10-18 07:09:27,260 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-18 07:09:27,272 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-18 07:09:27,289 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-10-18 07:09:27,292 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-10-18 07:09:27,343 INFO  L130     BoogieDeclarations]: Found specification of procedure t1
[2024-10-18 07:09:27,343 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1
[2024-10-18 07:09:27,343 INFO  L130     BoogieDeclarations]: Found specification of procedure t2
[2024-10-18 07:09:27,343 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2
[2024-10-18 07:09:27,343 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-10-18 07:09:27,344 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-18 07:09:27,344 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-10-18 07:09:27,344 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-10-18 07:09:27,344 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-18 07:09:27,344 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-18 07:09:27,347 WARN  L207             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-10-18 07:09:27,476 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-18 07:09:27,478 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-18 07:09:27,600 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-10-18 07:09:27,601 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-18 07:09:27,717 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-18 07:09:27,718 INFO  L314             CfgBuilder]: Removed 2 assume(true) statements.
[2024-10-18 07:09:27,718 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 07:09:27 BoogieIcfgContainer
[2024-10-18 07:09:27,719 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-18 07:09:27,722 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-18 07:09:27,722 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-18 07:09:27,725 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-18 07:09:27,725 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 07:09:26" (1/3) ...
[2024-10-18 07:09:27,726 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fbe9120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 07:09:27, skipping insertion in model container
[2024-10-18 07:09:27,726 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:09:27" (2/3) ...
[2024-10-18 07:09:27,727 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fbe9120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 07:09:27, skipping insertion in model container
[2024-10-18 07:09:27,727 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 07:09:27" (3/3) ...
[2024-10-18 07:09:27,728 INFO  L112   eAbstractionObserver]: Analyzing ICFG triangular-1.i
[2024-10-18 07:09:27,745 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-18 07:09:27,745 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-10-18 07:09:27,746 INFO  L484   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-10-18 07:09:27,786 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-10-18 07:09:27,824 INFO  L106   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-18 07:09:27,824 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-10-18 07:09:27,825 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-18 07:09:27,826 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-10-18 07:09:27,827 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-10-18 07:09:27,909 INFO  L194   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-10-18 07:09:27,927 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 07:09:27,930 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-10-18 07:09:27,938 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=PARTIAL_ORDER_FA, 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;@41ac48ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false
[2024-10-18 07:09:27,939 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-10-18 07:09:28,345 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-10-18 07:09:28,347 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 07:09:28,348 INFO  L85        PathProgramCache]: Analyzing trace with hash 651553703, now seen corresponding path program 1 times
[2024-10-18 07:09:28,358 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 07:09:28,359 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902995062]
[2024-10-18 07:09:28,359 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 07:09:28,359 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 07:09:28,493 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 07:09:28,862 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:28,865 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 07:09:28,865 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902995062]
[2024-10-18 07:09:28,866 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902995062] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-18 07:09:28,866 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-18 07:09:28,866 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-18 07:09:28,868 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509613405]
[2024-10-18 07:09:28,869 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-18 07:09:28,873 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-18 07:09:28,874 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 07:09:28,914 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-18 07:09:28,916 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-10-18 07:09:28,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 07:09:28,919 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 07:09:28,920 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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)
[2024-10-18 07:09:28,921 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 07:09:29,193 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-18 07:09:29,193 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-18 07:09:29,194 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-10-18 07:09:29,194 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 07:09:29,195 INFO  L85        PathProgramCache]: Analyzing trace with hash 77251458, now seen corresponding path program 1 times
[2024-10-18 07:09:29,195 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 07:09:29,195 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014335759]
[2024-10-18 07:09:29,195 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 07:09:29,195 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 07:09:29,211 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 07:09:29,368 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:29,369 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 07:09:29,369 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014335759]
[2024-10-18 07:09:29,369 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014335759] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-18 07:09:29,369 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-18 07:09:29,369 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-10-18 07:09:29,370 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682824428]
[2024-10-18 07:09:29,370 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-18 07:09:29,371 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-10-18 07:09:29,372 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 07:09:29,423 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-10-18 07:09:29,423 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-10-18 07:09:29,423 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 07:09:29,424 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 07:09:29,425 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 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)
[2024-10-18 07:09:29,425 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-10-18 07:09:29,425 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 07:09:29,643 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-18 07:09:29,644 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:29,644 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-10-18 07:09:29,645 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-10-18 07:09:29,645 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 07:09:29,646 INFO  L85        PathProgramCache]: Analyzing trace with hash 471272221, now seen corresponding path program 2 times
[2024-10-18 07:09:29,646 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 07:09:29,646 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764365785]
[2024-10-18 07:09:29,646 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 07:09:29,647 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 07:09:29,659 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 07:09:29,848 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:29,848 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 07:09:29,848 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764365785]
[2024-10-18 07:09:29,848 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764365785] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-18 07:09:29,849 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890091891]
[2024-10-18 07:09:29,849 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-10-18 07:09:29,849 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-18 07:09:29,849 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-18 07:09:29,868 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-18 07:09:29,881 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-10-18 07:09:29,997 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-10-18 07:09:29,997 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-10-18 07:09:30,001 INFO  L255         TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-10-18 07:09:30,006 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-18 07:09:30,160 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:30,160 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-10-18 07:09:30,371 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:30,372 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890091891] provided 0 perfect and 2 imperfect interpolant sequences
[2024-10-18 07:09:30,372 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-10-18 07:09:30,372 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15
[2024-10-18 07:09:30,372 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160562513]
[2024-10-18 07:09:30,372 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-10-18 07:09:30,373 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-10-18 07:09:30,373 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 07:09:30,382 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-10-18 07:09:30,383 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240
[2024-10-18 07:09:30,383 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 07:09:30,387 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 07:09:30,388 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 3.25) internal successors, (52), 15 states have internal predecessors, (52), 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)
[2024-10-18 07:09:30,388 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-10-18 07:09:30,388 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:30,388 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 07:09:30,841 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-18 07:09:30,842 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:30,843 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-10-18 07:09:30,862 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-10-18 07:09:31,044 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2024-10-18 07:09:31,044 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-10-18 07:09:31,045 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 07:09:31,045 INFO  L85        PathProgramCache]: Analyzing trace with hash 2110283886, now seen corresponding path program 3 times
[2024-10-18 07:09:31,045 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 07:09:31,045 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969902794]
[2024-10-18 07:09:31,045 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 07:09:31,045 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 07:09:31,071 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 07:09:31,344 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:31,344 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 07:09:31,344 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969902794]
[2024-10-18 07:09:31,345 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969902794] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-18 07:09:31,345 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244605098]
[2024-10-18 07:09:31,345 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-10-18 07:09:31,345 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-18 07:09:31,345 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-18 07:09:31,347 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-18 07:09:31,349 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-10-18 07:09:31,416 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s)
[2024-10-18 07:09:31,417 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-10-18 07:09:31,419 INFO  L255         TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-10-18 07:09:31,420 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-18 07:09:31,571 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:31,572 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-10-18 07:09:31,756 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:31,757 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [244605098] provided 0 perfect and 2 imperfect interpolant sequences
[2024-10-18 07:09:31,757 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-10-18 07:09:31,757 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 15
[2024-10-18 07:09:31,757 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689364796]
[2024-10-18 07:09:31,757 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-10-18 07:09:31,758 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-10-18 07:09:31,758 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 07:09:31,778 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-10-18 07:09:31,778 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240
[2024-10-18 07:09:31,778 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 07:09:31,778 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 07:09:31,778 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 3.0625) internal successors, (49), 15 states have internal predecessors, (49), 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)
[2024-10-18 07:09:31,779 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-10-18 07:09:31,779 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:31,779 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2024-10-18 07:09:31,779 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 07:09:32,205 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-18 07:09:32,205 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:32,205 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-10-18 07:09:32,206 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2024-10-18 07:09:32,224 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-10-18 07:09:32,406 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-18 07:09:32,407 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-10-18 07:09:32,407 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 07:09:32,407 INFO  L85        PathProgramCache]: Analyzing trace with hash 1339967241, now seen corresponding path program 4 times
[2024-10-18 07:09:32,408 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 07:09:32,408 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916436866]
[2024-10-18 07:09:32,408 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 07:09:32,408 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 07:09:32,421 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 07:09:32,511 INFO  L134       CoverageAnalysis]: Checked inductivity of 90 backedges. 77 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:32,512 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 07:09:32,512 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916436866]
[2024-10-18 07:09:32,512 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916436866] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-18 07:09:32,512 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115791060]
[2024-10-18 07:09:32,512 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-10-18 07:09:32,513 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-18 07:09:32,513 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-18 07:09:32,515 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-18 07:09:32,517 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-10-18 07:09:32,575 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-10-18 07:09:32,575 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-10-18 07:09:32,576 INFO  L255         TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-10-18 07:09:32,578 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-18 07:09:32,639 INFO  L134       CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:32,639 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-10-18 07:09:32,640 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115791060] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-18 07:09:32,641 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-10-18 07:09:32,641 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 9
[2024-10-18 07:09:32,642 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513855540]
[2024-10-18 07:09:32,642 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-18 07:09:32,642 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-10-18 07:09:32,646 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 07:09:32,658 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-10-18 07:09:32,661 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72
[2024-10-18 07:09:32,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 07:09:32,661 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 07:09:32,662 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 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)
[2024-10-18 07:09:32,662 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-10-18 07:09:32,662 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:32,662 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2024-10-18 07:09:32,662 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2024-10-18 07:09:32,662 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 07:09:33,473 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-18 07:09:33,474 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:33,474 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-10-18 07:09:33,474 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-10-18 07:09:33,474 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:33,493 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-10-18 07:09:33,679 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-18 07:09:33,680 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-10-18 07:09:33,680 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 07:09:33,681 INFO  L85        PathProgramCache]: Analyzing trace with hash -338756434, now seen corresponding path program 5 times
[2024-10-18 07:09:33,681 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 07:09:33,681 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766344301]
[2024-10-18 07:09:33,681 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 07:09:33,681 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 07:09:33,690 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 07:09:33,791 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:33,791 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 07:09:33,791 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766344301]
[2024-10-18 07:09:33,791 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766344301] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-18 07:09:33,792 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690009192]
[2024-10-18 07:09:33,792 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-10-18 07:09:33,792 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-18 07:09:33,792 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-18 07:09:33,794 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-18 07:09:33,796 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-10-18 07:09:33,851 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-10-18 07:09:33,851 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-10-18 07:09:33,852 INFO  L255         TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-10-18 07:09:33,854 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-18 07:09:33,911 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:33,911 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-10-18 07:09:33,989 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:33,989 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [690009192] provided 0 perfect and 2 imperfect interpolant sequences
[2024-10-18 07:09:33,990 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-10-18 07:09:33,990 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12
[2024-10-18 07:09:33,990 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353351710]
[2024-10-18 07:09:33,990 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-10-18 07:09:33,990 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-10-18 07:09:33,990 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 07:09:34,111 INFO  L85        PathProgramCache]: Analyzing trace with hash -1794795309, now seen corresponding path program 1 times
[2024-10-18 07:09:34,113 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 07:09:34,113 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 07:09:34,124 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 07:09:34,178 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:34,178 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 07:09:34,178 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 07:09:34,186 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 07:09:34,218 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:34,220 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-10-18 07:09:34,221 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182
[2024-10-18 07:09:34,221 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 07:09:34,221 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 07:09:34,222 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 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)
[2024-10-18 07:09:34,222 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-10-18 07:09:34,222 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:34,222 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2024-10-18 07:09:34,222 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2024-10-18 07:09:34,222 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:34,222 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 07:09:34,846 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-18 07:09:34,846 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:34,846 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-10-18 07:09:34,847 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-10-18 07:09:34,847 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:34,847 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-10-18 07:09:34,864 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-10-18 07:09:35,047 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5
[2024-10-18 07:09:35,048 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-10-18 07:09:35,048 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 07:09:35,048 INFO  L85        PathProgramCache]: Analyzing trace with hash -1672866627, now seen corresponding path program 6 times
[2024-10-18 07:09:35,048 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 07:09:35,049 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704449661]
[2024-10-18 07:09:35,049 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 07:09:35,049 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 07:09:35,060 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 07:09:35,279 INFO  L134       CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:35,280 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 07:09:35,280 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704449661]
[2024-10-18 07:09:35,280 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704449661] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-18 07:09:35,280 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393762489]
[2024-10-18 07:09:35,281 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-10-18 07:09:35,281 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-18 07:09:35,281 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-18 07:09:35,283 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-18 07:09:35,284 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-10-18 07:09:35,346 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s)
[2024-10-18 07:09:35,346 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-10-18 07:09:35,347 INFO  L255         TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-10-18 07:09:35,349 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-18 07:09:35,428 INFO  L134       CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:35,428 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-10-18 07:09:35,614 INFO  L134       CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:35,615 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393762489] provided 0 perfect and 2 imperfect interpolant sequences
[2024-10-18 07:09:35,615 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-10-18 07:09:35,615 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25
[2024-10-18 07:09:35,615 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491917154]
[2024-10-18 07:09:35,616 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-10-18 07:09:35,616 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2024-10-18 07:09:35,616 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 07:09:35,736 INFO  L85        PathProgramCache]: Analyzing trace with hash -533393261, now seen corresponding path program 1 times
[2024-10-18 07:09:35,736 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 07:09:35,737 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 07:09:35,745 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 07:09:35,847 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:35,847 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 07:09:35,847 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 07:09:35,855 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 07:09:35,938 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:35,940 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2024-10-18 07:09:35,941 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=562, Unknown=0, NotChecked=0, Total=702
[2024-10-18 07:09:35,941 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 07:09:35,941 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 07:09:35,941 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 26 states, 26 states have (on average 2.8461538461538463) internal successors, (74), 25 states have internal predecessors, (74), 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)
[2024-10-18 07:09:35,941 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-10-18 07:09:35,941 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:35,942 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2024-10-18 07:09:35,942 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2024-10-18 07:09:35,942 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:35,942 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2024-10-18 07:09:35,942 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 07:09:37,368 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-18 07:09:37,369 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:37,369 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-10-18 07:09:37,369 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-10-18 07:09:37,369 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:37,369 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-10-18 07:09:37,370 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2024-10-18 07:09:37,387 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-10-18 07:09:37,570 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9
[2024-10-18 07:09:37,571 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-10-18 07:09:37,572 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 07:09:37,572 INFO  L85        PathProgramCache]: Analyzing trace with hash 1472311259, now seen corresponding path program 7 times
[2024-10-18 07:09:37,572 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 07:09:37,572 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9128107]
[2024-10-18 07:09:37,573 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 07:09:37,573 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 07:09:37,584 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 07:09:37,776 INFO  L134       CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:37,776 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 07:09:37,776 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9128107]
[2024-10-18 07:09:37,777 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9128107] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-18 07:09:37,777 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839718865]
[2024-10-18 07:09:37,777 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2024-10-18 07:09:37,777 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-18 07:09:37,777 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-18 07:09:37,779 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-18 07:09:37,780 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-10-18 07:09:37,839 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 07:09:37,840 INFO  L255         TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-10-18 07:09:37,842 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-18 07:09:37,933 INFO  L134       CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:37,933 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-10-18 07:09:38,161 INFO  L134       CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 07:09:38,162 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839718865] provided 0 perfect and 2 imperfect interpolant sequences
[2024-10-18 07:09:38,162 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-10-18 07:09:38,162 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 27
[2024-10-18 07:09:38,162 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861431708]
[2024-10-18 07:09:38,163 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-10-18 07:09:38,163 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2024-10-18 07:09:38,165 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 07:09:38,309 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2024-10-18 07:09:38,310 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=599, Unknown=0, NotChecked=0, Total=756
[2024-10-18 07:09:38,310 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 07:09:38,311 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 07:09:38,311 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 28 states, 28 states have (on average 2.7857142857142856) internal successors, (78), 27 states have internal predecessors, (78), 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)
[2024-10-18 07:09:38,311 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-10-18 07:09:38,311 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:38,311 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2024-10-18 07:09:38,311 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2024-10-18 07:09:38,312 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:38,312 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2024-10-18 07:09:38,312 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2024-10-18 07:09:38,312 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 07:09:39,880 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-18 07:09:39,881 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:39,894 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-10-18 07:09:39,894 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-10-18 07:09:39,894 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-10-18 07:09:39,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-10-18 07:09:39,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2024-10-18 07:09:39,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2024-10-18 07:09:39,897 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2024-10-18 07:09:39,897 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2024-10-18 07:09:39,898 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2024-10-18 07:09:39,911 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-10-18 07:09:40,098 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2024-10-18 07:09:40,106 INFO  L414         BasicCegarLoop]: Path program histogram: [7, 1, 1, 1]
[2024-10-18 07:09:40,109 INFO  L234   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-10-18 07:09:40,109 INFO  L165   ceAbstractionStarter]: Computing trace abstraction results
[2024-10-18 07:09:40,112 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 07:09:40 BasicIcfg
[2024-10-18 07:09:40,113 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-10-18 07:09:40,113 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-10-18 07:09:40,114 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-10-18 07:09:40,114 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-10-18 07:09:40,114 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 07:09:27" (3/4) ...
[2024-10-18 07:09:40,116 INFO  L139         WitnessPrinter]: Generating witness for correct program
[2024-10-18 07:09:40,119 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure t1
[2024-10-18 07:09:40,119 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure t2
[2024-10-18 07:09:40,122 INFO  L904   BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges
[2024-10-18 07:09:40,122 INFO  L904   BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2024-10-18 07:09:40,122 INFO  L904   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-10-18 07:09:40,122 INFO  L904   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-10-18 07:09:40,197 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml
[2024-10-18 07:09:40,198 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml
[2024-10-18 07:09:40,198 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-10-18 07:09:40,198 INFO  L158              Benchmark]: Toolchain (without parser) took 13546.35ms. Allocated memory was 182.5MB in the beginning and 243.3MB in the end (delta: 60.8MB). Free memory was 123.0MB in the beginning and 199.1MB in the end (delta: -76.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-10-18 07:09:40,198 INFO  L158              Benchmark]: CDTParser took 0.28ms. Allocated memory is still 182.5MB. Free memory is still 146.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-10-18 07:09:40,199 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 514.24ms. Allocated memory is still 182.5MB. Free memory was 122.5MB in the beginning and 101.1MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2024-10-18 07:09:40,199 INFO  L158              Benchmark]: Boogie Procedure Inliner took 49.39ms. Allocated memory is still 182.5MB. Free memory was 101.1MB in the beginning and 99.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-18 07:09:40,199 INFO  L158              Benchmark]: Boogie Preprocessor took 33.87ms. Allocated memory is still 182.5MB. Free memory was 99.4MB in the beginning and 97.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-18 07:09:40,200 INFO  L158              Benchmark]: RCFGBuilder took 465.89ms. Allocated memory is still 182.5MB. Free memory was 97.8MB in the beginning and 78.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2024-10-18 07:09:40,200 INFO  L158              Benchmark]: TraceAbstraction took 12390.85ms. Allocated memory was 182.5MB in the beginning and 243.3MB in the end (delta: 60.8MB). Free memory was 77.7MB in the beginning and 203.3MB in the end (delta: -125.6MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB.
[2024-10-18 07:09:40,200 INFO  L158              Benchmark]: Witness Printer took 84.41ms. Allocated memory is still 243.3MB. Free memory was 203.3MB in the beginning and 199.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-10-18 07:09:40,201 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.28ms. Allocated memory is still 182.5MB. Free memory is still 146.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 514.24ms. Allocated memory is still 182.5MB. Free memory was 122.5MB in the beginning and 101.1MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 49.39ms. Allocated memory is still 182.5MB. Free memory was 101.1MB in the beginning and 99.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 33.87ms. Allocated memory is still 182.5MB. Free memory was 99.4MB in the beginning and 97.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 465.89ms. Allocated memory is still 182.5MB. Free memory was 97.8MB in the beginning and 78.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * TraceAbstraction took 12390.85ms. Allocated memory was 182.5MB in the beginning and 243.3MB in the end (delta: 60.8MB). Free memory was 77.7MB in the beginning and 203.3MB in the end (delta: -125.6MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB.
 * Witness Printer took 84.41ms. Allocated memory is still 243.3MB. Free memory was 203.3MB in the beginning and 199.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Partial order reduction statistics
    Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 23069, independent: 19172, independent conditional: 18920, independent unconditional: 252, dependent: 3897, dependent conditional: 3890, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19608, independent: 19172, independent conditional: 18920, independent unconditional: 252, dependent: 436, dependent conditional: 429, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19608, independent: 19172, independent conditional: 18920, independent unconditional: 252, dependent: 436, dependent conditional: 429, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19608, independent: 19172, independent conditional: 18920, independent unconditional: 252, dependent: 436, dependent conditional: 429, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23626, independent: 19172, independent conditional: 18920, independent unconditional: 252, dependent: 4454, dependent conditional: 4440, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23626, independent: 19172, independent conditional: 1967, independent unconditional: 17205, dependent: 4454, dependent conditional: 1552, dependent unconditional: 2902, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23626, independent: 19172, independent conditional: 1967, independent unconditional: 17205, dependent: 4454, dependent conditional: 1552, dependent unconditional: 2902, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 469, independent: 296, independent conditional: 72, independent unconditional: 224, dependent: 173, dependent conditional: 166, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 469, independent: 223, independent conditional: 0, independent unconditional: 223, dependent: 246, dependent conditional: 0, dependent unconditional: 246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 246, independent: 73, independent conditional: 72, independent unconditional: 1, dependent: 173, dependent conditional: 166, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 246, independent: 73, independent conditional: 72, independent unconditional: 1, dependent: 173, dependent conditional: 166, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3525, independent: 1651, independent conditional: 1533, independent unconditional: 119, dependent: 1873, dependent conditional: 1549, dependent unconditional: 324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 23626, independent: 18876, independent conditional: 1895, independent unconditional: 16981, dependent: 4281, dependent conditional: 1386, dependent unconditional: 2895, unknown: 469, unknown conditional: 238, unknown unconditional: 231] , Statistics on independence cache: Total cache size (in pairs): 469, Positive cache size: 296, Positive conditional cache size: 72, Positive unconditional cache size: 224, Negative cache size: 173, Negative conditional cache size: 166, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19841, Maximal queried relation: 8, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23626, independent: 19172, independent conditional: 18920, independent unconditional: 252, dependent: 4454, dependent conditional: 4440, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23626, independent: 19172, independent conditional: 1967, independent unconditional: 17205, dependent: 4454, dependent conditional: 1552, dependent unconditional: 2902, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23626, independent: 19172, independent conditional: 1967, independent unconditional: 17205, dependent: 4454, dependent conditional: 1552, dependent unconditional: 2902, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 469, independent: 296, independent conditional: 72, independent unconditional: 224, dependent: 173, dependent conditional: 166, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 469, independent: 223, independent conditional: 0, independent unconditional: 223, dependent: 246, dependent conditional: 0, dependent unconditional: 246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 246, independent: 73, independent conditional: 72, independent unconditional: 1, dependent: 173, dependent conditional: 166, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 246, independent: 73, independent conditional: 72, independent unconditional: 1, dependent: 173, dependent conditional: 166, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3525, independent: 1651, independent conditional: 1533, independent unconditional: 119, dependent: 1873, dependent conditional: 1549, dependent unconditional: 324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 23626, independent: 18876, independent conditional: 1895, independent unconditional: 16981, dependent: 4281, dependent conditional: 1386, dependent unconditional: 2895, unknown: 469, unknown conditional: 238, unknown unconditional: 231] , Statistics on independence cache: Total cache size (in pairs): 469, Positive cache size: 296, Positive conditional cache size: 72, Positive unconditional cache size: 224, Negative cache size: 173, Negative conditional cache size: 166, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19841 ], Independence queries for same thread: 3461, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 79, Number of trivial persistent sets: 52, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 259, independent: 252, independent conditional: 0, independent unconditional: 252, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 23069, independent: 19172, independent conditional: 18920, independent unconditional: 252, dependent: 3897, dependent conditional: 3890, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19608, independent: 19172, independent conditional: 18920, independent unconditional: 252, dependent: 436, dependent conditional: 429, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19608, independent: 19172, independent conditional: 18920, independent unconditional: 252, dependent: 436, dependent conditional: 429, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19608, independent: 19172, independent conditional: 18920, independent unconditional: 252, dependent: 436, dependent conditional: 429, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23626, independent: 19172, independent conditional: 18920, independent unconditional: 252, dependent: 4454, dependent conditional: 4440, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23626, independent: 19172, independent conditional: 1967, independent unconditional: 17205, dependent: 4454, dependent conditional: 1552, dependent unconditional: 2902, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23626, independent: 19172, independent conditional: 1967, independent unconditional: 17205, dependent: 4454, dependent conditional: 1552, dependent unconditional: 2902, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 469, independent: 296, independent conditional: 72, independent unconditional: 224, dependent: 173, dependent conditional: 166, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 469, independent: 223, independent conditional: 0, independent unconditional: 223, dependent: 246, dependent conditional: 0, dependent unconditional: 246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 246, independent: 73, independent conditional: 72, independent unconditional: 1, dependent: 173, dependent conditional: 166, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 246, independent: 73, independent conditional: 72, independent unconditional: 1, dependent: 173, dependent conditional: 166, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3525, independent: 1651, independent conditional: 1533, independent unconditional: 119, dependent: 1873, dependent conditional: 1549, dependent unconditional: 324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 23626, independent: 18876, independent conditional: 1895, independent unconditional: 16981, dependent: 4281, dependent conditional: 1386, dependent unconditional: 2895, unknown: 469, unknown conditional: 238, unknown unconditional: 231] , Statistics on independence cache: Total cache size (in pairs): 469, Positive cache size: 296, Positive conditional cache size: 72, Positive unconditional cache size: 224, Negative cache size: 173, Negative conditional cache size: 166, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19841, Maximal queried relation: 8, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23626, independent: 19172, independent conditional: 18920, independent unconditional: 252, dependent: 4454, dependent conditional: 4440, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23626, independent: 19172, independent conditional: 1967, independent unconditional: 17205, dependent: 4454, dependent conditional: 1552, dependent unconditional: 2902, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23626, independent: 19172, independent conditional: 1967, independent unconditional: 17205, dependent: 4454, dependent conditional: 1552, dependent unconditional: 2902, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 469, independent: 296, independent conditional: 72, independent unconditional: 224, dependent: 173, dependent conditional: 166, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 469, independent: 223, independent conditional: 0, independent unconditional: 223, dependent: 246, dependent conditional: 0, dependent unconditional: 246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 246, independent: 73, independent conditional: 72, independent unconditional: 1, dependent: 173, dependent conditional: 166, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 246, independent: 73, independent conditional: 72, independent unconditional: 1, dependent: 173, dependent conditional: 166, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3525, independent: 1651, independent conditional: 1533, independent unconditional: 119, dependent: 1873, dependent conditional: 1549, dependent unconditional: 324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 23626, independent: 18876, independent conditional: 1895, independent unconditional: 16981, dependent: 4281, dependent conditional: 1386, dependent unconditional: 2895, unknown: 469, unknown conditional: 238, unknown unconditional: 231] , Statistics on independence cache: Total cache size (in pairs): 469, Positive cache size: 296, Positive conditional cache size: 72, Positive unconditional cache size: 224, Negative cache size: 173, Negative conditional cache size: 166, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19841 ], Independence queries for same thread: 3461
  - PositiveResult [Line: 722]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 5 procedures, 34 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 6.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 121, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 440 NumberOfCodeBlocks, 437 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 580 ConstructedInterpolants, 0 QuantifiedInterpolants, 2596 SizeOfPredicates, 43 NumberOfNonLiveVariables, 663 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 19 InterpolantComputations, 3 PerfectInterpolantSequences, 167/672 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, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.8s, ConditionalCommutativityCheckTime: 0.7s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 7, ConditionalCommutativityTraceChecks: 2, ConditionalCommutativityImperfectProofs: 2
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-10-18 07:09:40,229 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2024-10-18 07:09:40,427 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE