./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-min-le-max.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-more-min-le-max.wvr.yml/witness.yml --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 4a4c57e3
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/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-min-le-max.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-more-min-le-max.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false
--- Real Ultimate output ---
This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m
[2024-09-08 09:13:10,199 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-08 09:13:10,269 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-09-08 09:13:10,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-08 09:13:10,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-08 09:13:10,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-08 09:13:10,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-08 09:13:10,313 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-08 09:13:10,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-08 09:13:10,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-08 09:13:10,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-08 09:13:10,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-08 09:13:10,315 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-08 09:13:10,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-08 09:13:10,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-08 09:13:10,317 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-08 09:13:10,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-09-08 09:13:10,318 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-08 09:13:10,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-08 09:13:10,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-08 09:13:10,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-08 09:13:10,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-08 09:13:10,322 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-08 09:13:10,322 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-08 09:13:10,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-08 09:13:10,323 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-08 09:13:10,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-08 09:13:10,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-08 09:13:10,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-08 09:13:10,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-08 09:13:10,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-09-08 09:13:10,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-08 09:13:10,324 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-08 09:13:10,324 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-08 09:13:10,325 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-09-08 09:13:10,325 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-09-08 09:13:10,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-08 09:13:10,325 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-08 09:13:10,325 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-09-08 09:13:10,325 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-09-08 09:13:10,325 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-09-08 09:13:10,327 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false
[2024-09-08 09:13:10,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-08 09:13:10,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-08 09:13:10,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-08 09:13:10,552 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-08 09:13:10,553 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-08 09:13:10,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-more-min-le-max.wvr.yml/witness.yml
[2024-09-08 09:13:10,640 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-08 09:13:10,640 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-08 09:13:10,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-min-le-max.wvr.c
[2024-09-08 09:13:11,905 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-08 09:13:12,089 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-08 09:13:12,090 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-le-max.wvr.c
[2024-09-08 09:13:12,096 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/76c1d02f5/a6ff301d8745416faf4c01d9bc46a030/FLAGef02ef645
[2024-09-08 09:13:12,500 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/76c1d02f5/a6ff301d8745416faf4c01d9bc46a030
[2024-09-08 09:13:12,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-08 09:13:12,501 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2024-09-08 09:13:12,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-08 09:13:12,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-08 09:13:12,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-08 09:13:12,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 09:13:10" (1/2) ...
[2024-09-08 09:13:12,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cee82a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:13:12, skipping insertion in model container
[2024-09-08 09:13:12,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 09:13:10" (1/2) ...
[2024-09-08 09:13:12,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e5bb24e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:13:12, skipping insertion in model container
[2024-09-08 09:13:12,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 09:13:12" (2/2) ...
[2024-09-08 09:13:12,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cee82a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:13:12, skipping insertion in model container
[2024-09-08 09:13:12,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 09:13:12" (2/2) ...
[2024-09-08 09:13:12,520 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-08 09:13:12,520 INFO L1541 ArrayList]: Location invariant before [L92-L92] (! multithreaded || (1 <= N && N <= 1073741823)) && (! multithreaded || (1 <= N && N <= 1073741823))
[2024-09-08 09:13:12,520 INFO L1541 ArrayList]: Location invariant before [L91-L91] (! multithreaded || (1 <= N && N <= 1073741823)) && (! multithreaded || (1 <= N && N <= 1073741823))
[2024-09-08 09:13:12,520 INFO L1541 ArrayList]: Location invariant before [L93-L93] (! multithreaded || (1 <= N && N <= 1073741823)) && (! multithreaded || (1 <= N && N <= 1073741823))
[2024-09-08 09:13:12,521 INFO L1541 ArrayList]: ghost_variable multithreaded = 0
[2024-09-08 09:13:12,521 INFO L1541 ArrayList]: ghost_update [L90-L90] multithreaded = 1;
[2024-09-08 09:13:12,535 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-08 09:13:12,696 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/popl20-more-min-le-max.wvr.c[2525,2538]
[2024-09-08 09:13:12,707 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-08 09:13:12,714 INFO L200 MainTranslator]: Completed pre-run
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
[2024-09-08 09:13:12,767 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/popl20-more-min-le-max.wvr.c[2525,2538]
[2024-09-08 09:13:12,769 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-08 09:13:12,786 INFO L204 MainTranslator]: Completed translation
[2024-09-08 09:13:12,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:13:12 WrapperNode
[2024-09-08 09:13:12,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-08 09:13:12,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-09-08 09:13:12,788 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-09-08 09:13:12,788 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-09-08 09:13:12,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:13:12" (1/1) ...
[2024-09-08 09:13:12,806 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:13:12" (1/1) ...
[2024-09-08 09:13:12,836 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 97
[2024-09-08 09:13:12,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-09-08 09:13:12,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-08 09:13:12,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-08 09:13:12,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-08 09:13:12,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:13:12" (1/1) ...
[2024-09-08 09:13:12,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:13:12" (1/1) ...
[2024-09-08 09:13:12,853 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:13:12" (1/1) ...
[2024-09-08 09:13:12,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:13:12" (1/1) ...
[2024-09-08 09:13:12,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:13:12" (1/1) ...
[2024-09-08 09:13:12,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:13:12" (1/1) ...
[2024-09-08 09:13:12,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:13:12" (1/1) ...
[2024-09-08 09:13:12,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:13:12" (1/1) ...
[2024-09-08 09:13:12,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-08 09:13:12,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-08 09:13:12,885 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-08 09:13:12,885 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-08 09:13:12,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:13:12" (1/1) ...
[2024-09-08 09:13:12,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-09-08 09:13:12,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-09-08 09:13:12,918 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)
[2024-09-08 09:13:12,931 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
[2024-09-08 09:13:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-08 09:13:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-09-08 09:13:12,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-09-08 09:13:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-09-08 09:13:12,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-09-08 09:13:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2024-09-08 09:13:12,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2024-09-08 09:13:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-09-08 09:13:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-09-08 09:13:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-09-08 09:13:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-09-08 09:13:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-09-08 09:13:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-08 09:13:12,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-08 09:13:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-09-08 09:13:12,974 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-09-08 09:13:13,068 INFO L242 CfgBuilder]: Building ICFG
[2024-09-08 09:13:13,072 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-08 09:13:13,311 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-09-08 09:13:13,313 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-08 09:13:13,457 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-08 09:13:13,458 INFO L318 CfgBuilder]: Removed 3 assume(true) statements.
[2024-09-08 09:13:13,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 09:13:13 BoogieIcfgContainer
[2024-09-08 09:13:13,460 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-08 09:13:13,462 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-09-08 09:13:13,462 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-09-08 09:13:13,465 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-09-08 09:13:13,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 09:13:10" (1/4) ...
[2024-09-08 09:13:13,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aec11d0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 09:13:13, skipping insertion in model container
[2024-09-08 09:13:13,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 09:13:12" (2/4) ...
[2024-09-08 09:13:13,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aec11d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 09:13:13, skipping insertion in model container
[2024-09-08 09:13:13,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:13:12" (3/4) ...
[2024-09-08 09:13:13,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aec11d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 09:13:13, skipping insertion in model container
[2024-09-08 09:13:13,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 09:13:13" (4/4) ...
[2024-09-08 09:13:13,468 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-le-max.wvr.c
[2024-09-08 09:13:13,482 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-09-08 09:13:13,483 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2024-09-08 09:13:13,483 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-09-08 09:13:13,527 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-09-08 09:13:13,562 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-09-08 09:13:13,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-09-08 09:13:13,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-09-08 09:13:13,565 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)
[2024-09-08 09:13:13,566 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
[2024-09-08 09:13:13,590 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-09-08 09:13:13,600 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-09-08 09:13:13,606 INFO L336 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=None, 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;@5d4a7ec1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-09-08 09:13:13,607 INFO L337 AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2024-09-08 09:13:13,676 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] ===
[2024-09-08 09:13:13,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-09-08 09:13:13,681 INFO L85 PathProgramCache]: Analyzing trace with hash 62159116, now seen corresponding path program 1 times
[2024-09-08 09:13:13,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-08 09:13:13,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97696324]
[2024-09-08 09:13:13,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-08 09:13:13,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-08 09:13:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-08 09:13:14,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-08 09:13:14,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-08 09:13:14,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97696324]
[2024-09-08 09:13:14,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97696324] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-08 09:13:14,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-08 09:13:14,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-09-08 09:13:14,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379549733]
[2024-09-08 09:13:14,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-08 09:13:14,055 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-09-08 09:13:14,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-08 09:13:14,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-09-08 09:13:14,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-08 09:13:14,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-09-08 09:13:14,074 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-09-08 09:13:14,074 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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)
[2024-09-08 09:13:14,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-09-08 09:13:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-09-08 09:13:14,093 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-09-08 09:13:14,094 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] ===
[2024-09-08 09:13:14,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-09-08 09:13:14,094 INFO L85 PathProgramCache]: Analyzing trace with hash 822044678, now seen corresponding path program 1 times
[2024-09-08 09:13:14,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-08 09:13:14,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441560587]
[2024-09-08 09:13:14,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-08 09:13:14,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-08 09:13:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-08 09:13:14,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-08 09:13:14,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-08 09:13:14,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441560587]
[2024-09-08 09:13:14,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441560587] provided 0 perfect and 1 imperfect interpolant sequences
[2024-09-08 09:13:14,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840617666]
[2024-09-08 09:13:14,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-08 09:13:14,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-09-08 09:13:14,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-09-08 09:13:14,259 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-09-08 09:13:14,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-09-08 09:13:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-08 09:13:14,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-09-08 09:13:14,334 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-09-08 09:13:14,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-08 09:13:14,403 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-09-08 09:13:14,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-08 09:13:14,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840617666] provided 0 perfect and 2 imperfect interpolant sequences
[2024-09-08 09:13:14,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-09-08 09:13:14,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 8
[2024-09-08 09:13:14,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064884065]
[2024-09-08 09:13:14,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-09-08 09:13:14,471 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-09-08 09:13:14,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-08 09:13:14,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-09-08 09:13:14,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90
[2024-09-08 09:13:14,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-09-08 09:13:14,473 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-09-08 09:13:14,473 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 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)
[2024-09-08 09:13:14,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-09-08 09:13:14,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-09-08 09:13:14,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-09-08 09:13:14,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-09-08 09:13:14,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-09-08 09:13:14,732 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2024-09-08 09:13:14,733 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] ===
[2024-09-08 09:13:14,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-09-08 09:13:14,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1987405708, now seen corresponding path program 2 times
[2024-09-08 09:13:14,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-08 09:13:14,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890419405]
[2024-09-08 09:13:14,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-08 09:13:14,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-08 09:13:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-08 09:13:14,895 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-08 09:13:14,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-08 09:13:14,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890419405]
[2024-09-08 09:13:14,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890419405] provided 0 perfect and 1 imperfect interpolant sequences
[2024-09-08 09:13:14,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712518812]
[2024-09-08 09:13:14,896 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-09-08 09:13:14,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-09-08 09:13:14,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-09-08 09:13:14,898 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-09-08 09:13:14,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-09-08 09:13:14,952 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-09-08 09:13:14,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-09-08 09:13:14,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-09-08 09:13:14,954 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-09-08 09:13:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-09-08 09:13:15,026 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-09-08 09:13:15,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712518812] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-08 09:13:15,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-09-08 09:13:15,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 8
[2024-09-08 09:13:15,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080955970]
[2024-09-08 09:13:15,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-08 09:13:15,031 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-09-08 09:13:15,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-08 09:13:15,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-09-08 09:13:15,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-09-08 09:13:15,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-09-08 09:13:15,032 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-09-08 09:13:15,032 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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)
[2024-09-08 09:13:15,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-09-08 09:13:15,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2024-09-08 09:13:15,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-09-08 09:13:15,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-09-08 09:13:15,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-09-08 09:13:15,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-09-08 09:13:15,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-09-08 09:13:15,527 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-09-08 09:13:15,528 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] ===
[2024-09-08 09:13:15,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-09-08 09:13:15,528 INFO L85 PathProgramCache]: Analyzing trace with hash 499751764, now seen corresponding path program 1 times
[2024-09-08 09:13:15,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-08 09:13:15,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642283847]
[2024-09-08 09:13:15,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-08 09:13:15,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-08 09:13:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-08 09:13:15,627 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-09-08 09:13:15,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-08 09:13:15,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642283847]
[2024-09-08 09:13:15,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642283847] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-08 09:13:15,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-08 09:13:15,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-09-08 09:13:15,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311448097]
[2024-09-08 09:13:15,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-08 09:13:15,628 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-09-08 09:13:15,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-08 09:13:15,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-09-08 09:13:15,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-09-08 09:13:15,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-09-08 09:13:15,629 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-09-08 09:13:15,630 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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)
[2024-09-08 09:13:15,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-09-08 09:13:15,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2024-09-08 09:13:15,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-09-08 09:13:15,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-09-08 09:13:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-09-08 09:13:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-09-08 09:13:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-09-08 09:13:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-09-08 09:13:15,689 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-09-08 09:13:15,689 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] ===
[2024-09-08 09:13:15,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-09-08 09:13:15,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1769113561, now seen corresponding path program 1 times
[2024-09-08 09:13:15,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-08 09:13:15,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330542201]
[2024-09-08 09:13:15,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-08 09:13:15,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-08 09:13:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-08 09:13:15,837 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-09-08 09:13:15,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-08 09:13:15,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330542201]
[2024-09-08 09:13:15,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330542201] provided 0 perfect and 1 imperfect interpolant sequences
[2024-09-08 09:13:15,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498672476]
[2024-09-08 09:13:15,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-08 09:13:15,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-09-08 09:13:15,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-09-08 09:13:15,846 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-09-08 09:13:15,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-09-08 09:13:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-08 09:13:15,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-09-08 09:13:15,921 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-09-08 09:13:16,078 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-08 09:13:16,078 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-09-08 09:13:16,203 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-08 09:13:16,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498672476] provided 0 perfect and 2 imperfect interpolant sequences
[2024-09-08 09:13:16,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-09-08 09:13:16,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 18
[2024-09-08 09:13:16,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751639353]
[2024-09-08 09:13:16,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-09-08 09:13:16,206 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2024-09-08 09:13:16,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-08 09:13:16,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2024-09-08 09:13:16,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342
[2024-09-08 09:13:16,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-09-08 09:13:16,210 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-09-08 09:13:16,210 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.842105263157895) internal successors, (92), 18 states have internal predecessors, (92), 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)
[2024-09-08 09:13:16,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-09-08 09:13:16,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2024-09-08 09:13:16,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-09-08 09:13:16,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-09-08 09:13:16,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-09-08 09:13:16,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-09-08 09:13:16,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-09-08 09:13:16,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-09-08 09:13:16,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-09-08 09:13:16,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-09-08 09:13:16,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-09-08 09:13:16,698 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-09-08 09:13:16,699 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] ===
[2024-09-08 09:13:16,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-09-08 09:13:16,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1918582504, now seen corresponding path program 2 times
[2024-09-08 09:13:16,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-08 09:13:16,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331838067]
[2024-09-08 09:13:16,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-08 09:13:16,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-08 09:13:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-08 09:13:17,003 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 47 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-08 09:13:17,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-08 09:13:17,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331838067]
[2024-09-08 09:13:17,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331838067] provided 0 perfect and 1 imperfect interpolant sequences
[2024-09-08 09:13:17,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760036584]
[2024-09-08 09:13:17,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-09-08 09:13:17,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-09-08 09:13:17,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-09-08 09:13:17,007 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-09-08 09:13:17,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-09-08 09:13:17,090 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-09-08 09:13:17,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-09-08 09:13:17,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-09-08 09:13:17,093 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-09-08 09:13:17,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7
[2024-09-08 09:13:17,188 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked.
[2024-09-08 09:13:17,190 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-09-08 09:13:17,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760036584] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-08 09:13:17,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-09-08 09:13:17,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 15
[2024-09-08 09:13:17,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756443035]
[2024-09-08 09:13:17,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-08 09:13:17,191 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-09-08 09:13:17,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-08 09:13:17,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-09-08 09:13:17,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210
[2024-09-08 09:13:17,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-09-08 09:13:17,192 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-09-08 09:13:17,192 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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)
[2024-09-08 09:13:17,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-09-08 09:13:17,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2024-09-08 09:13:17,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-09-08 09:13:17,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-09-08 09:13:17,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states.
[2024-09-08 09:13:17,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-09-08 09:13:17,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-09-08 09:13:17,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-09-08 09:13:17,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-09-08 09:13:17,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-09-08 09:13:17,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-09-08 09:13:17,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-09-08 09:13:17,847 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 7 remaining)
[2024-09-08 09:13:17,847 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 7 remaining)
[2024-09-08 09:13:17,848 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 7 remaining)
[2024-09-08 09:13:17,848 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining)
[2024-09-08 09:13:17,848 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining)
[2024-09-08 09:13:17,848 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining)
[2024-09-08 09:13:17,848 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining)
[2024-09-08 09:13:17,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-09-08 09:13:18,052 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-09-08 09:13:18,058 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1]
[2024-09-08 09:13:18,065 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-09-08 09:13:18,066 INFO L165 ceAbstractionStarter]: Computing trace abstraction results
[2024-09-08 09:13:18,068 INFO L469 ceAbstractionStarter]: Automizer considered 3 witness invariants
[2024-09-08 09:13:18,068 INFO L470 ceAbstractionStarter]: WitnessConsidered=3
[2024-09-08 09:13:18,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 09:13:18 BasicIcfg
[2024-09-08 09:13:18,069 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-09-08 09:13:18,069 INFO L158 Benchmark]: Toolchain (without parser) took 5568.00ms. Allocated memory was 142.6MB in the beginning and 270.5MB in the end (delta: 127.9MB). Free memory was 67.0MB in the beginning and 155.6MB in the end (delta: -88.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2024-09-08 09:13:18,070 INFO L158 Benchmark]: Witness Parser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-08 09:13:18,070 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-08 09:13:18,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.85ms. Allocated memory is still 142.6MB. Free memory was 66.7MB in the beginning and 52.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-09-08 09:13:18,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.24ms. Allocated memory is still 142.6MB. Free memory was 52.0MB in the beginning and 49.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-08 09:13:18,073 INFO L158 Benchmark]: Boogie Preprocessor took 44.31ms. Allocated memory is still 142.6MB. Free memory was 49.9MB in the beginning and 48.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-08 09:13:18,073 INFO L158 Benchmark]: RCFGBuilder took 575.55ms. Allocated memory was 142.6MB in the beginning and 224.4MB in the end (delta: 81.8MB). Free memory was 48.5MB in the beginning and 160.1MB in the end (delta: -111.6MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB.
[2024-09-08 09:13:18,074 INFO L158 Benchmark]: TraceAbstraction took 4607.05ms. Allocated memory was 224.4MB in the beginning and 270.5MB in the end (delta: 46.1MB). Free memory was 160.1MB in the beginning and 155.6MB in the end (delta: 4.6MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB.
[2024-09-08 09:13:18,075 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* Witness Parser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 284.85ms. Allocated memory is still 142.6MB. Free memory was 66.7MB in the beginning and 52.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 51.24ms. Allocated memory is still 142.6MB. Free memory was 52.0MB in the beginning and 49.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 44.31ms. Allocated memory is still 142.6MB. Free memory was 49.9MB in the beginning and 48.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 575.55ms. Allocated memory was 142.6MB in the beginning and 224.4MB in the end (delta: 81.8MB). Free memory was 48.5MB in the beginning and 160.1MB in the end (delta: -111.6MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 4607.05ms. Allocated memory was 224.4MB in the beginning and 270.5MB in the end (delta: 46.1MB). Free memory was 160.1MB in the beginning and 155.6MB in the end (delta: 4.6MB). Peak memory consumption was 49.7MB. 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: 18952, independent: 17387, independent conditional: 16632, independent unconditional: 755, dependent: 1565, dependent conditional: 1557, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17395, independent: 17387, independent conditional: 16632, independent unconditional: 755, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17395, independent: 17387, independent conditional: 16632, independent unconditional: 755, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17652, independent: 17387, independent conditional: 16632, independent unconditional: 755, dependent: 265, dependent conditional: 257, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17652, independent: 17387, independent conditional: 257, independent unconditional: 17130, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17652, independent: 17387, independent conditional: 257, independent unconditional: 17130, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 669, independent: 661, independent conditional: 2, independent unconditional: 659, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 669, independent: 657, independent conditional: 0, independent unconditional: 657, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 12, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, independent: 35, independent conditional: 4, independent unconditional: 30, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 17652, independent: 16726, independent conditional: 255, independent unconditional: 16471, dependent: 257, dependent conditional: 0, dependent unconditional: 257, unknown: 669, unknown conditional: 2, unknown unconditional: 667] , Statistics on independence cache: Total cache size (in pairs): 669, Positive cache size: 661, Positive conditional cache size: 2, Positive unconditional cache size: 659, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16632, Maximal queried relation: 1, Independence queries for same thread: 1557, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 584, Number of trivial persistent sets: 558, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 763, independent: 755, independent conditional: 0, independent unconditional: 755, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18952, independent: 17387, independent conditional: 16632, independent unconditional: 755, dependent: 1565, dependent conditional: 1557, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17395, independent: 17387, independent conditional: 16632, independent unconditional: 755, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17395, independent: 17387, independent conditional: 16632, independent unconditional: 755, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17652, independent: 17387, independent conditional: 16632, independent unconditional: 755, dependent: 265, dependent conditional: 257, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17652, independent: 17387, independent conditional: 257, independent unconditional: 17130, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17652, independent: 17387, independent conditional: 257, independent unconditional: 17130, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 669, independent: 661, independent conditional: 2, independent unconditional: 659, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 669, independent: 657, independent conditional: 0, independent unconditional: 657, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 12, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, independent: 35, independent conditional: 4, independent unconditional: 30, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 17652, independent: 16726, independent conditional: 255, independent unconditional: 16471, dependent: 257, dependent conditional: 0, dependent unconditional: 257, unknown: 669, unknown conditional: 2, unknown unconditional: 667] , Statistics on independence cache: Total cache size (in pairs): 669, Positive cache size: 661, Positive conditional cache size: 2, Positive unconditional cache size: 659, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16632, Maximal queried relation: 1, Independence queries for same thread: 1557
- PositiveResult [Line: 91]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 92]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 93]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 98]: 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, 55 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.4s, 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: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 270 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 305 ConstructedInterpolants, 0 QuantifiedInterpolants, 1363 SizeOfPredicates, 10 NumberOfNonLiveVariables, 578 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 160/216 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
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-09-08 09:13:18,104 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
[2024-09-08 09:13:18,308 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