./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-node-subst.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -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/weaver/chl-node-subst.wvr.c -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 3b43103ca9a91605874c4d895f03c4116805b9b245b91cffe9bd63255503e5a0 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -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 22:28:20,856 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-18 22:28:20,933 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-10-18 22:28:20,940 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-18 22:28:20,941 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-18 22:28:20,970 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-18 22:28:20,970 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-18 22:28:20,971 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-18 22:28:20,972 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-18 22:28:20,973 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-18 22:28:20,973 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-18 22:28:20,974 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-18 22:28:20,974 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-18 22:28:20,974 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-18 22:28:20,975 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-18 22:28:20,977 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-10-18 22:28:20,977 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-10-18 22:28:20,977 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-10-18 22:28:20,978 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-18 22:28:20,978 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-18 22:28:20,978 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-18 22:28:20,982 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-18 22:28:20,982 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-18 22:28:20,983 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-10-18 22:28:20,983 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-18 22:28:20,983 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-18 22:28:20,984 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-18 22:28:20,984 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-18 22:28:20,984 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-18 22:28:20,984 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-18 22:28:20,984 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-18 22:28:20,985 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-18 22:28:20,985 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-18 22:28:20,985 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2024-10-18 22:28:20,985 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-18 22:28:20,986 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-18 22:28:20,986 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-10-18 22:28:20,986 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-18 22:28:20,986 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-10-18 22:28:20,987 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-10-18 22:28:20,987 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-10-18 22:28:20,988 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 -> 3b43103ca9a91605874c4d895f03c4116805b9b245b91cffe9bd63255503e5a0
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 -> DFS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use limited checks (recommended for DFS) -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5
[2024-10-18 22:28:21,249 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-18 22:28:21,277 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-18 22:28:21,280 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-18 22:28:21,282 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-18 22:28:21,282 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-18 22:28:21,283 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-node-subst.wvr.c
[2024-10-18 22:28:22,699 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-18 22:28:22,897 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-18 22:28:22,898 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-node-subst.wvr.c
[2024-10-18 22:28:22,909 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f75a9c5ef/40376bcef72b407db0a926d94ac48441/FLAG6bb046ee7
[2024-10-18 22:28:22,922 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f75a9c5ef/40376bcef72b407db0a926d94ac48441
[2024-10-18 22:28:22,924 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-18 22:28:22,925 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-18 22:28:22,926 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-18 22:28:22,926 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-18 22:28:22,932 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-18 22:28:22,933 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 10:28:22" (1/1) ...
[2024-10-18 22:28:22,935 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e31b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:28:22, skipping insertion in model container
[2024-10-18 22:28:22,935 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 10:28:22" (1/1) ...
[2024-10-18 22:28:22,963 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-18 22:28:23,157 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-node-subst.wvr.c[4035,4048]
[2024-10-18 22:28:23,176 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-18 22:28:23,186 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-18 22:28:23,213 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-node-subst.wvr.c[4035,4048]
[2024-10-18 22:28:23,219 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-18 22:28:23,236 INFO  L204         MainTranslator]: Completed translation
[2024-10-18 22:28:23,237 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:28:23 WrapperNode
[2024-10-18 22:28:23,237 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-18 22:28:23,238 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-18 22:28:23,238 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-18 22:28:23,238 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-18 22:28:23,246 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:28:23" (1/1) ...
[2024-10-18 22:28:23,257 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:28:23" (1/1) ...
[2024-10-18 22:28:23,325 INFO  L138                Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 22, calls inlined = 34, statements flattened = 424
[2024-10-18 22:28:23,325 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-18 22:28:23,326 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-18 22:28:23,326 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-18 22:28:23,326 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-18 22:28:23,354 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:28:23" (1/1) ...
[2024-10-18 22:28:23,354 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:28:23" (1/1) ...
[2024-10-18 22:28:23,367 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:28:23" (1/1) ...
[2024-10-18 22:28:23,367 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:28:23" (1/1) ...
[2024-10-18 22:28:23,380 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:28:23" (1/1) ...
[2024-10-18 22:28:23,385 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:28:23" (1/1) ...
[2024-10-18 22:28:23,387 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:28:23" (1/1) ...
[2024-10-18 22:28:23,389 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:28:23" (1/1) ...
[2024-10-18 22:28:23,394 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-18 22:28:23,395 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-18 22:28:23,395 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-18 22:28:23,395 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-18 22:28:23,396 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:28:23" (1/1) ...
[2024-10-18 22:28:23,401 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-18 22:28:23,419 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-18 22:28:23,449 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 22:28:23,451 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 22:28:23,490 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-18 22:28:23,490 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-10-18 22:28:23,490 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-10-18 22:28:23,490 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-10-18 22:28:23,490 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-10-18 22:28:23,490 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-10-18 22:28:23,490 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-10-18 22:28:23,490 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2024-10-18 22:28:23,491 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2024-10-18 22:28:23,491 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-10-18 22:28:23,491 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-10-18 22:28:23,491 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-18 22:28:23,491 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-18 22:28:23,493 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 22:28:23,609 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-18 22:28:23,611 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-18 22:28:24,250 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-10-18 22:28:24,250 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-18 22:28:24,811 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-18 22:28:24,811 INFO  L314             CfgBuilder]: Removed 6 assume(true) statements.
[2024-10-18 22:28:24,812 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 10:28:24 BoogieIcfgContainer
[2024-10-18 22:28:24,813 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-18 22:28:24,815 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-18 22:28:24,816 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-18 22:28:24,819 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-18 22:28:24,820 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 10:28:22" (1/3) ...
[2024-10-18 22:28:24,821 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ac4787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 10:28:24, skipping insertion in model container
[2024-10-18 22:28:24,821 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:28:23" (2/3) ...
[2024-10-18 22:28:24,822 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ac4787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 10:28:24, skipping insertion in model container
[2024-10-18 22:28:24,823 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 10:28:24" (3/3) ...
[2024-10-18 22:28:24,825 INFO  L112   eAbstractionObserver]: Analyzing ICFG chl-node-subst.wvr.c
[2024-10-18 22:28:24,843 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-18 22:28:24,845 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-10-18 22:28:24,845 INFO  L484   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-10-18 22:28:24,917 INFO  L143    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-10-18 22:28:24,967 INFO  L106   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-18 22:28:24,968 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-10-18 22:28:24,969 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-18 22:28:24,971 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 22:28:24,974 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 22:28:25,095 INFO  L194   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-10-18 22:28:25,116 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 22:28:25,119 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-10-18 22:28:25,158 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;@3e376e45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false
[2024-10-18 22:28:25,159 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-10-18 22:28:27,386 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-18 22:28:27,389 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 22:28:27,389 INFO  L85        PathProgramCache]: Analyzing trace with hash 1471823292, now seen corresponding path program 1 times
[2024-10-18 22:28:27,398 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 22:28:27,399 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255294655]
[2024-10-18 22:28:27,399 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 22:28:27,399 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 22:28:27,676 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 22:28:28,027 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 22:28:28,028 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 22:28:28,029 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255294655]
[2024-10-18 22:28:28,030 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255294655] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-18 22:28:28,030 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-18 22:28:28,031 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-10-18 22:28:28,032 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285338760]
[2024-10-18 22:28:28,033 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-18 22:28:28,038 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-18 22:28:28,038 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 22:28:28,061 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-18 22:28:28,062 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-18 22:28:28,063 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 22:28:28,065 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 22:28:28,066 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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 22:28:28,066 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 22:28:28,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-18 22:28:28,156 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-18 22:28:28,156 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-18 22:28:28,157 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 22:28:28,157 INFO  L85        PathProgramCache]: Analyzing trace with hash 724948955, now seen corresponding path program 1 times
[2024-10-18 22:28:28,157 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 22:28:28,157 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912512951]
[2024-10-18 22:28:28,158 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 22:28:28,158 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 22:28:28,215 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 22:28:28,373 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-10-18 22:28:28,374 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 22:28:28,374 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912512951]
[2024-10-18 22:28:28,374 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912512951] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-18 22:28:28,374 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-18 22:28:28,375 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-18 22:28:28,376 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400887848]
[2024-10-18 22:28:28,376 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-18 22:28:28,377 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-18 22:28:28,377 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 22:28:28,378 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-18 22:28:28,379 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-18 22:28:28,379 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 22:28:28,380 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 22:28:28,380 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 22:28:28,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-10-18 22:28:28,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 22:28:28,482 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-18 22:28:28,484 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:28,484 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-10-18 22:28:28,484 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-18 22:28:28,485 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 22:28:28,485 INFO  L85        PathProgramCache]: Analyzing trace with hash 897954668, now seen corresponding path program 1 times
[2024-10-18 22:28:28,485 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 22:28:28,487 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405152713]
[2024-10-18 22:28:28,487 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 22:28:28,487 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 22:28:28,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 22:28:28,664 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-10-18 22:28:28,664 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 22:28:28,665 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405152713]
[2024-10-18 22:28:28,665 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405152713] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-18 22:28:28,665 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-18 22:28:28,665 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-18 22:28:28,665 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474360829]
[2024-10-18 22:28:28,666 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-18 22:28:28,666 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-18 22:28:28,666 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 22:28:28,667 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-18 22:28:28,667 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-18 22:28:28,667 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 22:28:28,667 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 22:28:28,667 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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 22:28:28,667 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-10-18 22:28:28,667 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:28,667 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 22:28:28,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-18 22:28:28,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:28,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:28,761 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-10-18 22:28:28,761 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-18 22:28:28,761 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 22:28:28,762 INFO  L85        PathProgramCache]: Analyzing trace with hash -1266507127, now seen corresponding path program 1 times
[2024-10-18 22:28:28,762 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 22:28:28,762 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345491968]
[2024-10-18 22:28:28,762 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 22:28:28,762 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 22:28:28,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 22:28:28,950 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-10-18 22:28:28,951 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 22:28:28,951 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345491968]
[2024-10-18 22:28:28,952 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345491968] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-18 22:28:28,952 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-18 22:28:28,952 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-18 22:28:28,952 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125579038]
[2024-10-18 22:28:28,953 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-18 22:28:28,953 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-18 22:28:28,954 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 22:28:28,955 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-18 22:28:28,955 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-18 22:28:28,955 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 22:28:28,956 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 22:28:28,956 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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 22:28:28,956 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-10-18 22:28:28,956 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:28,956 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:28,956 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 22:28:29,032 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-18 22:28:29,033 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:29,033 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:29,034 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:29,034 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-10-18 22:28:29,035 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-18 22:28:29,035 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 22:28:29,036 INFO  L85        PathProgramCache]: Analyzing trace with hash -873534492, now seen corresponding path program 1 times
[2024-10-18 22:28:29,036 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 22:28:29,036 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764958144]
[2024-10-18 22:28:29,036 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 22:28:29,036 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 22:28:29,076 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 22:28:29,194 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-10-18 22:28:29,195 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 22:28:29,195 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764958144]
[2024-10-18 22:28:29,196 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764958144] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-18 22:28:29,196 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-18 22:28:29,196 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-18 22:28:29,197 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310425187]
[2024-10-18 22:28:29,197 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-18 22:28:29,198 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-18 22:28:29,198 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 22:28:29,199 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-18 22:28:29,199 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-18 22:28:29,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 22:28:29,200 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 22:28:29,200 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 22:28:29,201 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-10-18 22:28:29,201 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:29,201 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:29,201 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:29,201 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 22:28:29,281 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-18 22:28:29,283 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:29,283 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:29,283 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:29,284 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:29,284 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-10-18 22:28:29,284 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-18 22:28:29,285 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 22:28:29,285 INFO  L85        PathProgramCache]: Analyzing trace with hash -1690123761, now seen corresponding path program 1 times
[2024-10-18 22:28:29,285 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 22:28:29,285 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58445090]
[2024-10-18 22:28:29,285 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 22:28:29,285 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 22:28:29,323 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 22:28:29,465 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-10-18 22:28:29,465 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 22:28:29,465 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58445090]
[2024-10-18 22:28:29,465 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58445090] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-18 22:28:29,466 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-18 22:28:29,466 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-18 22:28:29,466 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037121901]
[2024-10-18 22:28:29,466 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-18 22:28:29,466 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-18 22:28:29,467 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 22:28:29,468 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-18 22:28:29,468 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-18 22:28:29,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 22:28:29,468 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 22:28:29,469 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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 22:28:29,469 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-10-18 22:28:29,469 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:29,469 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:29,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:29,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:29,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 22:28:29,545 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-18 22:28:29,545 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:29,545 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:29,545 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:29,545 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:29,546 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-10-18 22:28:29,546 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-18 22:28:29,547 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 22:28:29,547 INFO  L85        PathProgramCache]: Analyzing trace with hash -391811804, now seen corresponding path program 1 times
[2024-10-18 22:28:29,547 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 22:28:29,547 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653351832]
[2024-10-18 22:28:29,547 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 22:28:29,547 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 22:28:30,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 22:28:33,839 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-10-18 22:28:33,840 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 22:28:33,840 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653351832]
[2024-10-18 22:28:33,840 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653351832] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-18 22:28:33,841 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-18 22:28:33,841 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-10-18 22:28:33,841 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061370952]
[2024-10-18 22:28:33,842 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-18 22:28:33,842 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-10-18 22:28:33,843 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 22:28:33,843 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-10-18 22:28:33,844 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-10-18 22:28:33,844 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 22:28:33,844 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 22:28:33,845 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 22:28:33,845 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-10-18 22:28:33,845 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:33,845 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:33,845 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:33,845 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:33,846 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:33,846 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-18 22:28:35,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-18 22:28:35,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:35,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:35,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:35,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:35,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-18 22:28:35,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-10-18 22:28:35,695 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining)
[2024-10-18 22:28:35,696 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining)
[2024-10-18 22:28:35,696 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2024-10-18 22:28:35,696 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining)
[2024-10-18 22:28:35,696 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-10-18 22:28:35,709 INFO  L414         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2024-10-18 22:28:35,711 INFO  L234   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-10-18 22:28:35,711 INFO  L165   ceAbstractionStarter]: Computing trace abstraction results
[2024-10-18 22:28:35,717 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 10:28:35 BasicIcfg
[2024-10-18 22:28:35,718 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-10-18 22:28:35,720 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-10-18 22:28:35,720 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-10-18 22:28:35,720 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-10-18 22:28:35,721 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 10:28:24" (3/4) ...
[2024-10-18 22:28:35,725 INFO  L139         WitnessPrinter]: Generating witness for correct program
[2024-10-18 22:28:35,729 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2024-10-18 22:28:35,730 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2024-10-18 22:28:35,730 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread3
[2024-10-18 22:28:35,746 INFO  L904   BoogieBacktranslator]: Reduced CFG by removing 330 nodes and edges
[2024-10-18 22:28:35,747 INFO  L904   BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges
[2024-10-18 22:28:35,749 INFO  L904   BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges
[2024-10-18 22:28:35,749 INFO  L904   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-10-18 22:28:35,872 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml
[2024-10-18 22:28:35,873 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml
[2024-10-18 22:28:35,873 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-10-18 22:28:35,873 INFO  L158              Benchmark]: Toolchain (without parser) took 12948.51ms. Allocated memory was 172.0MB in the beginning and 469.8MB in the end (delta: 297.8MB). Free memory was 103.0MB in the beginning and 290.3MB in the end (delta: -187.3MB). Peak memory consumption was 112.6MB. Max. memory is 16.1GB.
[2024-10-18 22:28:35,874 INFO  L158              Benchmark]: CDTParser took 0.24ms. Allocated memory is still 172.0MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-10-18 22:28:35,874 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 311.05ms. Allocated memory is still 172.0MB. Free memory was 102.8MB in the beginning and 88.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-10-18 22:28:35,874 INFO  L158              Benchmark]: Boogie Procedure Inliner took 87.66ms. Allocated memory is still 172.0MB. Free memory was 88.1MB in the beginning and 141.9MB in the end (delta: -53.8MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB.
[2024-10-18 22:28:35,874 INFO  L158              Benchmark]: Boogie Preprocessor took 68.34ms. Allocated memory is still 172.0MB. Free memory was 141.9MB in the beginning and 139.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-18 22:28:35,875 INFO  L158              Benchmark]: RCFGBuilder took 1417.68ms. Allocated memory is still 172.0MB. Free memory was 139.7MB in the beginning and 77.8MB in the end (delta: 62.0MB). Peak memory consumption was 99.3MB. Max. memory is 16.1GB.
[2024-10-18 22:28:35,875 INFO  L158              Benchmark]: TraceAbstraction took 10903.61ms. Allocated memory was 172.0MB in the beginning and 469.8MB in the end (delta: 297.8MB). Free memory was 76.7MB in the beginning and 299.8MB in the end (delta: -223.0MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB.
[2024-10-18 22:28:35,875 INFO  L158              Benchmark]: Witness Printer took 153.25ms. Allocated memory is still 469.8MB. Free memory was 299.8MB in the beginning and 290.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-10-18 22:28:35,877 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.24ms. Allocated memory is still 172.0MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 311.05ms. Allocated memory is still 172.0MB. Free memory was 102.8MB in the beginning and 88.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 87.66ms. Allocated memory is still 172.0MB. Free memory was 88.1MB in the beginning and 141.9MB in the end (delta: -53.8MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 68.34ms. Allocated memory is still 172.0MB. Free memory was 141.9MB in the beginning and 139.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1417.68ms. Allocated memory is still 172.0MB. Free memory was 139.7MB in the beginning and 77.8MB in the end (delta: 62.0MB). Peak memory consumption was 99.3MB. Max. memory is 16.1GB.
 * TraceAbstraction took 10903.61ms. Allocated memory was 172.0MB in the beginning and 469.8MB in the end (delta: 297.8MB). Free memory was 76.7MB in the beginning and 299.8MB in the end (delta: -223.0MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB.
 * Witness Printer took 153.25ms. Allocated memory is still 469.8MB. Free memory was 299.8MB in the beginning and 290.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. 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: 250, independent: 198, independent conditional: 82, independent unconditional: 116, dependent: 52, dependent conditional: 48, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 202, independent: 198, independent conditional: 82, independent unconditional: 116, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 202, independent: 198, independent conditional: 82, independent unconditional: 116, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 202, independent: 198, independent conditional: 82, independent unconditional: 116, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 206, independent: 198, independent conditional: 82, independent unconditional: 116, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 206, independent: 198, independent conditional: 37, independent unconditional: 161, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 206, independent: 198, independent conditional: 37, independent unconditional: 161, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 115, independent: 111, independent conditional: 1, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 115, independent: 109, independent conditional: 0, independent unconditional: 109, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3763, independent: 2024, independent conditional: 0, independent unconditional: 2024, dependent: 1739, dependent conditional: 0, dependent unconditional: 1739, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 206, independent: 87, independent conditional: 36, independent unconditional: 51, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 115, unknown conditional: 1, unknown unconditional: 114] , Statistics on independence cache: Total cache size (in pairs): 115, Positive cache size: 111, Positive conditional cache size: 1, Positive unconditional cache size: 110, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 45, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 206, independent: 198, independent conditional: 82, independent unconditional: 116, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 206, independent: 198, independent conditional: 37, independent unconditional: 161, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 206, independent: 198, independent conditional: 37, independent unconditional: 161, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 115, independent: 111, independent conditional: 1, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 115, independent: 109, independent conditional: 0, independent unconditional: 109, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3763, independent: 2024, independent conditional: 0, independent unconditional: 2024, dependent: 1739, dependent conditional: 0, dependent unconditional: 1739, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 206, independent: 87, independent conditional: 36, independent unconditional: 51, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 115, unknown conditional: 1, unknown unconditional: 114] , Statistics on independence cache: Total cache size (in pairs): 115, Positive cache size: 111, Positive conditional cache size: 1, Positive unconditional cache size: 110, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 45 ], Independence queries for same thread: 48, Persistent sets #1 benchmarks: Persistent set computation time: 3.8s, Number of persistent set computation: 30, Number of trivial persistent sets: 26, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 114, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 250, independent: 198, independent conditional: 82, independent unconditional: 116, dependent: 52, dependent conditional: 48, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 202, independent: 198, independent conditional: 82, independent unconditional: 116, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 202, independent: 198, independent conditional: 82, independent unconditional: 116, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 202, independent: 198, independent conditional: 82, independent unconditional: 116, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 206, independent: 198, independent conditional: 82, independent unconditional: 116, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 206, independent: 198, independent conditional: 37, independent unconditional: 161, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 206, independent: 198, independent conditional: 37, independent unconditional: 161, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 115, independent: 111, independent conditional: 1, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 115, independent: 109, independent conditional: 0, independent unconditional: 109, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3763, independent: 2024, independent conditional: 0, independent unconditional: 2024, dependent: 1739, dependent conditional: 0, dependent unconditional: 1739, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 206, independent: 87, independent conditional: 36, independent unconditional: 51, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 115, unknown conditional: 1, unknown unconditional: 114] , Statistics on independence cache: Total cache size (in pairs): 115, Positive cache size: 111, Positive conditional cache size: 1, Positive unconditional cache size: 110, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 45, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 206, independent: 198, independent conditional: 82, independent unconditional: 116, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 206, independent: 198, independent conditional: 37, independent unconditional: 161, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 206, independent: 198, independent conditional: 37, independent unconditional: 161, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 115, independent: 111, independent conditional: 1, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 115, independent: 109, independent conditional: 0, independent unconditional: 109, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3763, independent: 2024, independent conditional: 0, independent unconditional: 2024, dependent: 1739, dependent conditional: 0, dependent unconditional: 1739, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 206, independent: 87, independent conditional: 36, independent unconditional: 51, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 115, unknown conditional: 1, unknown unconditional: 114] , Statistics on independence cache: Total cache size (in pairs): 115, Positive cache size: 111, Positive conditional cache size: 1, Positive unconditional cache size: 110, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 45 ], Independence queries for same thread: 48
  - PositiveResult [Line: 109]: 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 7 procedures, 35 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 10.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 4.6s, 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: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 161 ConstructedInterpolants, 0 QuantifiedInterpolants, 778 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 21/21 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: 0.0s, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-10-18 22:28:35,908 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 22:28:36,102 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

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