./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -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-sre-symm.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 a063462cb7b21c5f8dae2503e70fbd4d55b33be159df87fb06824a6d79ada34a --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -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
[2024-10-17 22:38:11,538 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-10-17 22:38:11,589 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-10-17 22:38:11,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-10-17 22:38:11,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-17 22:38:11,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-17 22:38:11,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-17 22:38:11,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-17 22:38:11,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-17 22:38:11,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-17 22:38:11,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-17 22:38:11,657 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-10-17 22:38:11,658 INFO L153 SettingsManager]: * Use SBE=true
[2024-10-17 22:38:11,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-17 22:38:11,662 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-10-17 22:38:11,662 INFO L153 SettingsManager]: * sizeof long=4
[2024-10-17 22:38:11,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-10-17 22:38:11,663 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-10-17 22:38:11,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-10-17 22:38:11,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-10-17 22:38:11,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-17 22:38:11,664 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-10-17 22:38:11,664 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-10-17 22:38:11,664 INFO L153 SettingsManager]: * sizeof long double=12
[2024-10-17 22:38:11,664 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-10-17 22:38:11,664 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-10-17 22:38:11,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-17 22:38:11,665 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-10-17 22:38:11,665 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-10-17 22:38:11,665 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-10-17 22:38:11,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-17 22:38:11,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-17 22:38:11,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-10-17 22:38:11,665 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-10-17 22:38:11,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-17 22:38:11,666 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-17 22:38:11,666 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-10-17 22:38:11,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-17 22:38:11,666 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-10-17 22:38:11,666 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-10-17 22:38:11,666 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-10-17 22:38:11,667 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 -> a063462cb7b21c5f8dae2503e70fbd4d55b33be159df87fb06824a6d79ada34a
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 -> COUNTEREXAMPLE
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Probability for random criterion as percentage -> 20
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Seed for random criterion -> 213
[2024-10-17 22:38:11,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-17 22:38:11,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-17 22:38:11,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-17 22:38:11,853 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-10-17 22:38:11,853 INFO L274 PluginConnector]: CDTParser initialized
[2024-10-17 22:38:11,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c
[2024-10-17 22:38:13,141 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-10-17 22:38:13,299 INFO L384 CDTParser]: Found 1 translation units.
[2024-10-17 22:38:13,300 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c
[2024-10-17 22:38:13,306 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/595f66e13/2e27f8581da24ed5bcfa0830232c604b/FLAG64a399bf7
[2024-10-17 22:38:13,316 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/595f66e13/2e27f8581da24ed5bcfa0830232c604b
[2024-10-17 22:38:13,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-17 22:38:13,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-17 22:38:13,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-17 22:38:13,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-17 22:38:13,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-17 22:38:13,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:38:13" (1/1) ...
[2024-10-17 22:38:13,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd74193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:13, skipping insertion in model container
[2024-10-17 22:38:13,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:38:13" (1/1) ...
[2024-10-17 22:38:13,350 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-10-17 22:38:13,550 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-sre-symm.wvr.c[2159,2172]
[2024-10-17 22:38:13,557 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-10-17 22:38:13,570 INFO L200 MainTranslator]: Completed pre-run
[2024-10-17 22:38:13,583 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-sre-symm.wvr.c[2159,2172]
[2024-10-17 22:38:13,585 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-10-17 22:38:13,599 INFO L204 MainTranslator]: Completed translation
[2024-10-17 22:38:13,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:13 WrapperNode
[2024-10-17 22:38:13,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-17 22:38:13,600 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-17 22:38:13,600 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-17 22:38:13,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-17 22:38:13,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:13" (1/1) ...
[2024-10-17 22:38:13,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:13" (1/1) ...
[2024-10-17 22:38:13,622 INFO L138 Inliner]: procedures = 20, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 51
[2024-10-17 22:38:13,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-17 22:38:13,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-17 22:38:13,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-17 22:38:13,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-10-17 22:38:13,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:13" (1/1) ...
[2024-10-17 22:38:13,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:13" (1/1) ...
[2024-10-17 22:38:13,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:13" (1/1) ...
[2024-10-17 22:38:13,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:13" (1/1) ...
[2024-10-17 22:38:13,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:13" (1/1) ...
[2024-10-17 22:38:13,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:13" (1/1) ...
[2024-10-17 22:38:13,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:13" (1/1) ...
[2024-10-17 22:38:13,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:13" (1/1) ...
[2024-10-17 22:38:13,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-17 22:38:13,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-17 22:38:13,638 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-10-17 22:38:13,638 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-10-17 22:38:13,638 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:13" (1/1) ...
[2024-10-17 22:38:13,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-17 22:38:13,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-17 22:38:13,673 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)
[2024-10-17 22:38:13,675 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
[2024-10-17 22:38:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-17 22:38:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-10-17 22:38:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-10-17 22:38:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-10-17 22:38:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-10-17 22:38:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-10-17 22:38:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-17 22:38:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-17 22:38:13,708 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-10-17 22:38:13,781 INFO L238 CfgBuilder]: Building ICFG
[2024-10-17 22:38:13,783 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-17 22:38:13,884 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-10-17 22:38:13,884 INFO L287 CfgBuilder]: Performing block encoding
[2024-10-17 22:38:13,984 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-17 22:38:13,984 INFO L314 CfgBuilder]: Removed 0 assume(true) statements.
[2024-10-17 22:38:13,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:38:13 BoogieIcfgContainer
[2024-10-17 22:38:13,985 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-17 22:38:13,988 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-17 22:38:13,988 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-10-17 22:38:13,991 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-10-17 22:38:13,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:38:13" (1/3) ...
[2024-10-17 22:38:13,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a56087c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:38:13, skipping insertion in model container
[2024-10-17 22:38:13,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:13" (2/3) ...
[2024-10-17 22:38:13,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a56087c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:38:13, skipping insertion in model container
[2024-10-17 22:38:13,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:38:13" (3/3) ...
[2024-10-17 22:38:13,993 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-symm.wvr.c
[2024-10-17 22:38:14,005 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-17 22:38:14,006 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-10-17 22:38:14,006 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-10-17 22:38:14,040 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-10-17 22:38:14,075 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-17 22:38:14,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-10-17 22:38:14,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-17 22:38:14,078 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)
[2024-10-17 22:38:14,079 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
[2024-10-17 22:38:14,168 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-10-17 22:38:14,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-17 22:38:14,194 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-10-17 22:38:14,200 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;@67968a9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=RANDOM, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false
[2024-10-17 22:38:14,200 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-10-17 22:38:14,724 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-10-17 22:38:14,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-17 22:38:14,728 INFO L85 PathProgramCache]: Analyzing trace with hash 620700868, now seen corresponding path program 1 times
[2024-10-17 22:38:14,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-17 22:38:14,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484214706]
[2024-10-17 22:38:14,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-17 22:38:14,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-17 22:38:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-17 22:38:15,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-17 22:38:15,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-17 22:38:15,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484214706]
[2024-10-17 22:38:15,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484214706] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-17 22:38:15,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-17 22:38:15,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-17 22:38:15,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689468946]
[2024-10-17 22:38:15,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-17 22:38:15,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-17 22:38:15,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-17 22:38:15,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-17 22:38:15,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-17 22:38:15,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-17 22:38:15,837 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-17 22:38:15,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) 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)
[2024-10-17 22:38:15,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-17 22:38:16,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-17 22:38:16,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2024-10-17 22:38:16,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2024-10-17 22:38:16,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2024-10-17 22:38:16,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-17 22:38:16,046 INFO L414 BasicCegarLoop]: Path program histogram: [1]
[2024-10-17 22:38:16,049 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-10-17 22:38:16,049 INFO L165 ceAbstractionStarter]: Computing trace abstraction results
[2024-10-17 22:38:16,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 10:38:16 BasicIcfg
[2024-10-17 22:38:16,051 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-10-17 22:38:16,052 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-10-17 22:38:16,052 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-10-17 22:38:16,052 INFO L274 PluginConnector]: Witness Printer initialized
[2024-10-17 22:38:16,052 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:38:13" (3/4) ...
[2024-10-17 22:38:16,053 INFO L139 WitnessPrinter]: Generating witness for correct program
[2024-10-17 22:38:16,056 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2024-10-17 22:38:16,056 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2024-10-17 22:38:16,059 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges
[2024-10-17 22:38:16,059 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2024-10-17 22:38:16,059 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2024-10-17 22:38:16,059 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-10-17 22:38:16,115 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml
[2024-10-17 22:38:16,115 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml
[2024-10-17 22:38:16,115 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-10-17 22:38:16,116 INFO L158 Benchmark]: Toolchain (without parser) took 2795.39ms. Allocated memory was 138.4MB in the beginning and 220.2MB in the end (delta: 81.8MB). Free memory was 68.6MB in the beginning and 67.5MB in the end (delta: 1.1MB). Peak memory consumption was 84.7MB. Max. memory is 16.1GB.
[2024-10-17 22:38:16,116 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory was 102.1MB in the beginning and 101.9MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-10-17 22:38:16,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.05ms. Allocated memory was 138.4MB in the beginning and 220.2MB in the end (delta: 81.8MB). Free memory was 68.3MB in the beginning and 186.7MB in the end (delta: -118.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB.
[2024-10-17 22:38:16,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.13ms. Allocated memory is still 220.2MB. Free memory was 186.7MB in the beginning and 184.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-17 22:38:16,117 INFO L158 Benchmark]: Boogie Preprocessor took 14.26ms. Allocated memory is still 220.2MB. Free memory was 184.7MB in the beginning and 183.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-17 22:38:16,117 INFO L158 Benchmark]: RCFGBuilder took 347.41ms. Allocated memory is still 220.2MB. Free memory was 183.6MB in the beginning and 161.7MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2024-10-17 22:38:16,117 INFO L158 Benchmark]: TraceAbstraction took 2063.26ms. Allocated memory is still 220.2MB. Free memory was 160.5MB in the beginning and 72.7MB in the end (delta: 87.8MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB.
[2024-10-17 22:38:16,118 INFO L158 Benchmark]: Witness Printer took 63.88ms. Allocated memory is still 220.2MB. Free memory was 72.7MB in the beginning and 67.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-10-17 22:38:16,119 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory was 102.1MB in the beginning and 101.9MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 278.05ms. Allocated memory was 138.4MB in the beginning and 220.2MB in the end (delta: 81.8MB). Free memory was 68.3MB in the beginning and 186.7MB in the end (delta: -118.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 22.13ms. Allocated memory is still 220.2MB. Free memory was 186.7MB in the beginning and 184.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 14.26ms. Allocated memory is still 220.2MB. Free memory was 184.7MB in the beginning and 183.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 347.41ms. Allocated memory is still 220.2MB. Free memory was 183.6MB in the beginning and 161.7MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 2063.26ms. Allocated memory is still 220.2MB. Free memory was 160.5MB in the beginning and 72.7MB in the end (delta: 87.8MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB.
* Witness Printer took 63.88ms. Allocated memory is still 220.2MB. Free memory was 72.7MB in the beginning and 67.5MB in the end (delta: 5.2MB). 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: 46, independent: 44, independent conditional: 8, independent unconditional: 36, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 46, independent: 44, independent conditional: 8, independent unconditional: 36, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46, independent: 44, independent conditional: 8, independent unconditional: 36, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 46, independent: 44, independent conditional: 8, independent unconditional: 36, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, independent: 44, independent conditional: 8, independent unconditional: 36, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 48, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 48, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 38, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 38, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 615, independent: 402, independent conditional: 0, independent unconditional: 402, dependent: 213, dependent conditional: 0, dependent unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 48, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 38, unknown conditional: 0, unknown unconditional: 38] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 36, Positive conditional cache size: 0, Positive unconditional cache size: 36, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, independent: 44, independent conditional: 8, independent unconditional: 36, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 48, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 48, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 38, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 38, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 615, independent: 402, independent conditional: 0, independent unconditional: 402, dependent: 213, dependent conditional: 0, dependent unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 48, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 38, unknown conditional: 0, unknown unconditional: 38] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 36, Positive conditional cache size: 0, Positive unconditional cache size: 36, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.6s, Number of persistent set computation: 13, Number of trivial persistent sets: 11, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 46, independent: 44, independent conditional: 8, independent unconditional: 36, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 46, independent: 44, independent conditional: 8, independent unconditional: 36, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46, independent: 44, independent conditional: 8, independent unconditional: 36, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 46, independent: 44, independent conditional: 8, independent unconditional: 36, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, independent: 44, independent conditional: 8, independent unconditional: 36, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 48, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 48, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 38, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 38, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 615, independent: 402, independent conditional: 0, independent unconditional: 402, dependent: 213, dependent conditional: 0, dependent unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 48, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 38, unknown conditional: 0, unknown unconditional: 38] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 36, Positive conditional cache size: 0, Positive unconditional cache size: 36, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, independent: 44, independent conditional: 8, independent unconditional: 36, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 48, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 48, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 38, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 38, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 615, independent: 402, independent conditional: 0, independent unconditional: 402, dependent: 213, dependent conditional: 0, dependent unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 48, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 38, unknown conditional: 0, unknown unconditional: 38] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 36, Positive conditional cache size: 0, Positive unconditional cache size: 36, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8 ], Independence queries for same thread: 0
- PositiveResult [Line: 69]: 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, 21 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, 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: 5, 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, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 311 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, 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!
[2024-10-17 22:38:16,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-10-17 22:38:16,359 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