./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/test-easy11.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/protection/test-easy11.wvr.yml/witness.yml --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 2cc22fce
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/test-easy11.wvr.c ./goblint.2024-06-19_11-23-25.files/protection/test-easy11.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false
--- Real Ultimate output ---
This is Ultimate 0.2.4-tmp.fs.goblint-validation-2cc22fc-m
[2024-07-22 14:41:11,511 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-07-22 14:41:11,591 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-07-22 14:41:11,596 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-07-22 14:41:11,596 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-07-22 14:41:11,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-07-22 14:41:11,619 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-07-22 14:41:11,620 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-07-22 14:41:11,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-07-22 14:41:11,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-07-22 14:41:11,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-07-22 14:41:11,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-07-22 14:41:11,625 INFO L153 SettingsManager]: * Use SBE=true
[2024-07-22 14:41:11,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-07-22 14:41:11,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-07-22 14:41:11,626 INFO L153 SettingsManager]: * sizeof long=4
[2024-07-22 14:41:11,627 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-07-22 14:41:11,627 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-07-22 14:41:11,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-07-22 14:41:11,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-07-22 14:41:11,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-07-22 14:41:11,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-07-22 14:41:11,628 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-07-22 14:41:11,628 INFO L153 SettingsManager]: * sizeof long double=12
[2024-07-22 14:41:11,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-07-22 14:41:11,629 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-07-22 14:41:11,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-07-22 14:41:11,629 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-07-22 14:41:11,630 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-07-22 14:41:11,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-07-22 14:41:11,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-07-22 14:41:11,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-07-22 14:41:11,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-07-22 14:41:11,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-07-22 14:41:11,639 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-07-22 14:41:11,639 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-07-22 14:41:11,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-07-22 14:41:11,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-07-22 14:41:11,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-07-22 14:41:11,640 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-07-22 14:41:11,640 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-07-22 14:41:11,641 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-07-22 14:41:11,641 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false
[2024-07-22 14:41:11,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-07-22 14:41:11,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-07-22 14:41:11,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-07-22 14:41:11,874 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-07-22 14:41:11,875 INFO L274 PluginConnector]: CDTParser initialized
[2024-07-22 14:41:11,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/test-easy11.wvr.c
[2024-07-22 14:41:12,976 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-07-22 14:41:13,115 INFO L384 CDTParser]: Found 1 translation units.
[2024-07-22 14:41:13,117 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy11.wvr.c
[2024-07-22 14:41:13,123 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bce6a1168/97b7d6a8bd8341dab6281f7123807f80/FLAG10c98464d
[2024-07-22 14:41:13,134 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bce6a1168/97b7d6a8bd8341dab6281f7123807f80
[2024-07-22 14:41:13,135 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-07-22 14:41:13,136 INFO L274 PluginConnector]: Witness Parser initialized
[2024-07-22 14:41:13,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/protection/test-easy11.wvr.yml/witness.yml
[2024-07-22 14:41:13,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-07-22 14:41:13,193 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2024-07-22 14:41:13,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-07-22 14:41:13,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-07-22 14:41:13,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-07-22 14:41:13,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:41:13" (1/2) ...
[2024-07-22 14:41:13,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11303a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:41:13, skipping insertion in model container
[2024-07-22 14:41:13,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:41:13" (1/2) ...
[2024-07-22 14:41:13,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@313a886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:41:13, skipping insertion in model container
[2024-07-22 14:41:13,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 02:41:13" (2/2) ...
[2024-07-22 14:41:13,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11303a5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:41:13, skipping insertion in model container
[2024-07-22 14:41:13,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 02:41:13" (2/2) ...
[2024-07-22 14:41:13,202 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness
[2024-07-22 14:41:13,211 INFO L95 edCorrectnessWitness]: Found the following entries in the witness:
[2024-07-22 14:41:13,211 INFO L97 edCorrectnessWitness]: Location invariant before [L74-L74] ! multithreaded || 0 <= Y
[2024-07-22 14:41:13,211 INFO L97 edCorrectnessWitness]: Location invariant before [L75-L75] ! multithreaded || 0 <= Y
[2024-07-22 14:41:13,212 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0
[2024-07-22 14:41:13,212 INFO L106 edCorrectnessWitness]: ghost_update [L73-L73] multithreaded = 1;
[2024-07-22 14:41:13,225 INFO L177 MainTranslator]: Built tables and reachable declarations
[2024-07-22 14:41:13,353 INFO L207 PostProcessor]: Analyzing one entry point: main
[2024-07-22 14:41:13,394 INFO L202 MainTranslator]: Completed pre-run
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
[2024-07-22 14:41:13,484 INFO L207 PostProcessor]: Analyzing one entry point: main
[2024-07-22 14:41:13,510 INFO L206 MainTranslator]: Completed translation
[2024-07-22 14:41:13,511 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:41:13 WrapperNode
[2024-07-22 14:41:13,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-07-22 14:41:13,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-07-22 14:41:13,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-07-22 14:41:13,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-07-22 14:41:13,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:41:13" (1/1) ...
[2024-07-22 14:41:13,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:41:13" (1/1) ...
[2024-07-22 14:41:13,574 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48
[2024-07-22 14:41:13,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-07-22 14:41:13,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-07-22 14:41:13,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-07-22 14:41:13,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-07-22 14:41:13,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:41:13" (1/1) ...
[2024-07-22 14:41:13,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:41:13" (1/1) ...
[2024-07-22 14:41:13,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:41:13" (1/1) ...
[2024-07-22 14:41:13,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:41:13" (1/1) ...
[2024-07-22 14:41:13,602 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:41:13" (1/1) ...
[2024-07-22 14:41:13,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:41:13" (1/1) ...
[2024-07-22 14:41:13,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:41:13" (1/1) ...
[2024-07-22 14:41:13,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:41:13" (1/1) ...
[2024-07-22 14:41:13,617 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-07-22 14:41:13,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-07-22 14:41:13,618 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-07-22 14:41:13,618 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-07-22 14:41:13,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:41:13" (1/1) ...
[2024-07-22 14:41:13,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-07-22 14:41:13,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-07-22 14:41:13,685 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)
[2024-07-22 14:41:13,702 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
[2024-07-22 14:41:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-07-22 14:41:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-07-22 14:41:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-07-22 14:41:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-07-22 14:41:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-07-22 14:41:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-07-22 14:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-07-22 14:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-07-22 14:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-07-22 14:41:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-07-22 14:41:13,725 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-07-22 14:41:13,810 INFO L244 CfgBuilder]: Building ICFG
[2024-07-22 14:41:13,812 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-07-22 14:41:13,983 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program.
[2024-07-22 14:41:13,984 INFO L293 CfgBuilder]: Performing block encoding
[2024-07-22 14:41:14,067 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-07-22 14:41:14,068 INFO L320 CfgBuilder]: Removed 2 assume(true) statements.
[2024-07-22 14:41:14,068 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:41:14 BoogieIcfgContainer
[2024-07-22 14:41:14,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-07-22 14:41:14,070 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-07-22 14:41:14,070 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-07-22 14:41:14,072 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-07-22 14:41:14,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 02:41:13" (1/4) ...
[2024-07-22 14:41:14,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2cec8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:41:14, skipping insertion in model container
[2024-07-22 14:41:14,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 02:41:13" (2/4) ...
[2024-07-22 14:41:14,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2cec8c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 02:41:14, skipping insertion in model container
[2024-07-22 14:41:14,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:41:13" (3/4) ...
[2024-07-22 14:41:14,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2cec8c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 02:41:14, skipping insertion in model container
[2024-07-22 14:41:14,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:41:14" (4/4) ...
[2024-07-22 14:41:14,075 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy11.wvr.c
[2024-07-22 14:41:14,089 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-07-22 14:41:14,089 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-07-22 14:41:14,090 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-07-22 14:41:14,123 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-07-22 14:41:14,160 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-07-22 14:41:14,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-07-22 14:41:14,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-07-22 14:41:14,176 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)
[2024-07-22 14:41:14,218 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
[2024-07-22 14:41:14,228 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-07-22 14:41:14,237 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-07-22 14:41:14,243 INFO L357 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, mHoare=false, 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;@1e675d7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-07-22 14:41:14,243 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-07-22 14:41:14,310 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-07-22 14:41:14,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-07-22 14:41:14,314 INFO L85 PathProgramCache]: Analyzing trace with hash -2111447836, now seen corresponding path program 1 times
[2024-07-22 14:41:14,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-07-22 14:41:14,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400677294]
[2024-07-22 14:41:14,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-07-22 14:41:14,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-07-22 14:41:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-07-22 14:41:14,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-07-22 14:41:14,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-07-22 14:41:14,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400677294]
[2024-07-22 14:41:14,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400677294] provided 1 perfect and 0 imperfect interpolant sequences
[2024-07-22 14:41:14,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-07-22 14:41:14,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-07-22 14:41:14,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598887971]
[2024-07-22 14:41:14,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-07-22 14:41:14,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-07-22 14:41:14,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-07-22 14:41:14,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-07-22 14:41:14,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-07-22 14:41:14,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-07-22 14:41:14,484 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-07-22 14:41:14,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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)
[2024-07-22 14:41:14,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-07-22 14:41:14,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-07-22 14:41:14,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-07-22 14:41:14,570 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-07-22 14:41:14,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-07-22 14:41:14,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1939043858, now seen corresponding path program 1 times
[2024-07-22 14:41:14,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-07-22 14:41:14,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669321691]
[2024-07-22 14:41:14,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-07-22 14:41:14,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-07-22 14:41:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-07-22 14:41:14,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-07-22 14:41:14,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-07-22 14:41:14,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669321691]
[2024-07-22 14:41:14,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669321691] provided 1 perfect and 0 imperfect interpolant sequences
[2024-07-22 14:41:14,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-07-22 14:41:14,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-07-22 14:41:14,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715608041]
[2024-07-22 14:41:14,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-07-22 14:41:14,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-07-22 14:41:14,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-07-22 14:41:14,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-07-22 14:41:14,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-07-22 14:41:14,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-07-22 14:41:14,706 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-07-22 14:41:14,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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)
[2024-07-22 14:41:14,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-07-22 14:41:14,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-07-22 14:41:14,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-07-22 14:41:14,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-07-22 14:41:14,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-07-22 14:41:14,763 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-07-22 14:41:14,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-07-22 14:41:14,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1253848492, now seen corresponding path program 1 times
[2024-07-22 14:41:14,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-07-22 14:41:14,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305032602]
[2024-07-22 14:41:14,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-07-22 14:41:14,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-07-22 14:41:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-07-22 14:41:14,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-07-22 14:41:14,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-07-22 14:41:14,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305032602]
[2024-07-22 14:41:14,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305032602] provided 0 perfect and 1 imperfect interpolant sequences
[2024-07-22 14:41:14,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928411874]
[2024-07-22 14:41:14,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-07-22 14:41:14,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-07-22 14:41:14,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-07-22 14:41:15,305 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)
[2024-07-22 14:41:15,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-07-22 14:41:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-07-22 14:41:15,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core
[2024-07-22 14:41:15,357 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-07-22 14:41:15,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-07-22 14:41:15,433 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-07-22 14:41:15,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928411874] provided 1 perfect and 0 imperfect interpolant sequences
[2024-07-22 14:41:15,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-07-22 14:41:15,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8
[2024-07-22 14:41:15,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469421216]
[2024-07-22 14:41:15,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-07-22 14:41:15,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-07-22 14:41:15,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-07-22 14:41:15,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-07-22 14:41:15,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2024-07-22 14:41:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-07-22 14:41:15,436 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-07-22 14:41:15,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-07-22 14:41:15,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-07-22 14:41:15,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-07-22 14:41:15,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-07-22 14:41:15,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-07-22 14:41:15,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-07-22 14:41:15,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-07-22 14:41:15,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-07-22 14:41:15,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2024-07-22 14:41:15,742 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-07-22 14:41:15,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-07-22 14:41:15,743 INFO L85 PathProgramCache]: Analyzing trace with hash -594543794, now seen corresponding path program 1 times
[2024-07-22 14:41:15,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-07-22 14:41:15,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140733144]
[2024-07-22 14:41:15,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-07-22 14:41:15,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-07-22 14:41:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-07-22 14:41:15,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-07-22 14:41:15,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-07-22 14:41:15,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140733144]
[2024-07-22 14:41:15,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140733144] provided 1 perfect and 0 imperfect interpolant sequences
[2024-07-22 14:41:15,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-07-22 14:41:15,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-07-22 14:41:15,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84842437]
[2024-07-22 14:41:15,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-07-22 14:41:15,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-07-22 14:41:15,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-07-22 14:41:15,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-07-22 14:41:15,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-07-22 14:41:15,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-07-22 14:41:15,845 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-07-22 14:41:15,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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)
[2024-07-22 14:41:15,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-07-22 14:41:15,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-07-22 14:41:15,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-07-22 14:41:15,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-07-22 14:41:15,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-07-22 14:41:15,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-07-22 14:41:15,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-07-22 14:41:15,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-07-22 14:41:15,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-07-22 14:41:15,957 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-07-22 14:41:15,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-07-22 14:41:15,958 INFO L85 PathProgramCache]: Analyzing trace with hash -189123112, now seen corresponding path program 1 times
[2024-07-22 14:41:15,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-07-22 14:41:15,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214237793]
[2024-07-22 14:41:15,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-07-22 14:41:15,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-07-22 14:41:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-07-22 14:41:16,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-07-22 14:41:16,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-07-22 14:41:16,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214237793]
[2024-07-22 14:41:16,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214237793] provided 0 perfect and 1 imperfect interpolant sequences
[2024-07-22 14:41:16,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855462227]
[2024-07-22 14:41:16,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-07-22 14:41:16,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-07-22 14:41:16,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-07-22 14:41:16,040 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)
[2024-07-22 14:41:16,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-07-22 14:41:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-07-22 14:41:16,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-07-22 14:41:16,088 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-07-22 14:41:16,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-07-22 14:41:16,123 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-07-22 14:41:16,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855462227] provided 1 perfect and 0 imperfect interpolant sequences
[2024-07-22 14:41:16,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-07-22 14:41:16,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7
[2024-07-22 14:41:16,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702226926]
[2024-07-22 14:41:16,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-07-22 14:41:16,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-07-22 14:41:16,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-07-22 14:41:16,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-07-22 14:41:16,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-07-22 14:41:16,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-07-22 14:41:16,127 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-07-22 14:41:16,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-07-22 14:41:16,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-07-22 14:41:16,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-07-22 14:41:16,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-07-22 14:41:16,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-07-22 14:41:16,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-07-22 14:41:16,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-07-22 14:41:16,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-07-22 14:41:16,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-07-22 14:41:16,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-07-22 14:41:16,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-07-22 14:41:16,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-07-22 14:41:16,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-07-22 14:41:16,404 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-07-22 14:41:16,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-07-22 14:41:16,405 INFO L85 PathProgramCache]: Analyzing trace with hash -434177635, now seen corresponding path program 1 times
[2024-07-22 14:41:16,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-07-22 14:41:16,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666914987]
[2024-07-22 14:41:16,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-07-22 14:41:16,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-07-22 14:41:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-07-22 14:41:16,498 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-07-22 14:41:16,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-07-22 14:41:16,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666914987]
[2024-07-22 14:41:16,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666914987] provided 0 perfect and 1 imperfect interpolant sequences
[2024-07-22 14:41:16,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349492946]
[2024-07-22 14:41:16,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-07-22 14:41:16,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-07-22 14:41:16,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-07-22 14:41:16,509 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)
[2024-07-22 14:41:16,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-07-22 14:41:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-07-22 14:41:16,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjunts are in the unsatisfiable core
[2024-07-22 14:41:16,591 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-07-22 14:41:16,617 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-07-22 14:41:16,618 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-07-22 14:41:16,705 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-07-22 14:41:16,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349492946] provided 0 perfect and 2 imperfect interpolant sequences
[2024-07-22 14:41:16,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-07-22 14:41:16,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 11
[2024-07-22 14:41:16,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50920328]
[2024-07-22 14:41:16,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-07-22 14:41:16,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-07-22 14:41:16,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-07-22 14:41:16,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-07-22 14:41:16,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2024-07-22 14:41:16,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-07-22 14:41:16,707 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-07-22 14:41:16,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 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)
[2024-07-22 14:41:16,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-07-22 14:41:16,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-07-22 14:41:16,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-07-22 14:41:16,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-07-22 14:41:16,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-07-22 14:41:16,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-07-22 14:41:16,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-07-22 14:41:16,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-07-22 14:41:16,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-07-22 14:41:16,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-07-22 14:41:16,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-07-22 14:41:16,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-07-22 14:41:16,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining)
[2024-07-22 14:41:16,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining)
[2024-07-22 14:41:16,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2024-07-22 14:41:16,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining)
[2024-07-22 14:41:16,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-07-22 14:41:17,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-07-22 14:41:17,110 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2024-07-22 14:41:17,112 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-07-22 14:41:17,113 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2024-07-22 14:41:17,114 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants
[2024-07-22 14:41:17,114 INFO L508 ceAbstractionStarter]: WitnessConsidered=2
[2024-07-22 14:41:17,115 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 02:41:17 BasicIcfg
[2024-07-22 14:41:17,115 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-07-22 14:41:17,116 INFO L158 Benchmark]: Toolchain (without parser) took 3922.92ms. Allocated memory was 176.2MB in the beginning and 266.3MB in the end (delta: 90.2MB). Free memory was 116.5MB in the beginning and 109.1MB in the end (delta: 7.4MB). Peak memory consumption was 98.8MB. Max. memory is 16.1GB.
[2024-07-22 14:41:17,116 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-07-22 14:41:17,116 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 176.2MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-07-22 14:41:17,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.66ms. Allocated memory is still 176.2MB. Free memory was 116.5MB in the beginning and 102.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-07-22 14:41:17,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.67ms. Allocated memory is still 176.2MB. Free memory was 102.6MB in the beginning and 100.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-07-22 14:41:17,117 INFO L158 Benchmark]: Boogie Preprocessor took 42.16ms. Allocated memory is still 176.2MB. Free memory was 100.9MB in the beginning and 99.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-07-22 14:41:17,117 INFO L158 Benchmark]: RCFGBuilder took 450.71ms. Allocated memory is still 176.2MB. Free memory was 99.7MB in the beginning and 79.5MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2024-07-22 14:41:17,118 INFO L158 Benchmark]: TraceAbstraction took 3045.59ms. Allocated memory was 176.2MB in the beginning and 266.3MB in the end (delta: 90.2MB). Free memory was 78.7MB in the beginning and 109.1MB in the end (delta: -30.4MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB.
[2024-07-22 14:41:17,119 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 176.2MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 16.1GB.
* Witness Parser took 0.15ms. Allocated memory is still 176.2MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 317.66ms. Allocated memory is still 176.2MB. Free memory was 116.5MB in the beginning and 102.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 61.67ms. Allocated memory is still 176.2MB. Free memory was 102.6MB in the beginning and 100.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 42.16ms. Allocated memory is still 176.2MB. Free memory was 100.9MB in the beginning and 99.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 450.71ms. Allocated memory is still 176.2MB. Free memory was 99.7MB in the beginning and 79.5MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 3045.59ms. Allocated memory was 176.2MB in the beginning and 266.3MB in the end (delta: 90.2MB). Free memory was 78.7MB in the beginning and 109.1MB in the end (delta: -30.4MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation #1 benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1120, independent: 973, independent conditional: 752, independent unconditional: 221, dependent: 147, dependent conditional: 139, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 987, independent: 973, independent conditional: 752, independent unconditional: 221, dependent: 14, dependent conditional: 6, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 987, independent: 973, independent conditional: 752, independent unconditional: 221, dependent: 14, dependent conditional: 6, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1158, independent: 973, independent conditional: 69, independent unconditional: 904, dependent: 185, dependent conditional: 102, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1158, independent: 973, independent conditional: 69, independent unconditional: 904, dependent: 185, dependent conditional: 70, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1158, independent: 973, independent conditional: 69, independent unconditional: 904, dependent: 185, dependent conditional: 70, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 277, independent: 236, independent conditional: 15, independent unconditional: 221, dependent: 41, dependent conditional: 30, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 277, independent: 218, independent conditional: 0, independent unconditional: 218, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 59, independent: 18, independent conditional: 15, independent unconditional: 3, dependent: 41, dependent conditional: 30, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, independent: 18, independent conditional: 15, independent unconditional: 3, dependent: 41, dependent conditional: 30, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, independent: 78, independent conditional: 39, independent unconditional: 39, dependent: 64, dependent conditional: 44, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1158, independent: 737, independent conditional: 54, independent unconditional: 683, dependent: 144, dependent conditional: 40, dependent unconditional: 104, unknown: 277, unknown conditional: 45, unknown unconditional: 232] , Statistics on independence cache: Total cache size (in pairs): 277, Positive cache size: 236, Positive conditional cache size: 15, Positive unconditional cache size: 221, Negative cache size: 41, Negative conditional cache size: 30, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 32, Maximal queried relation: 4, Independence queries for same thread: 133
- StatisticsResult: Persistent set benchmarks
Persistent set computation time: 0.1s, Number of persistent set computation: 42, Number of trivial persistent sets: 28, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 229, independent: 221, independent conditional: 0, independent unconditional: 221, 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: 1120, independent: 973, independent conditional: 752, independent unconditional: 221, dependent: 147, dependent conditional: 139, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 987, independent: 973, independent conditional: 752, independent unconditional: 221, dependent: 14, dependent conditional: 6, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 987, independent: 973, independent conditional: 752, independent unconditional: 221, dependent: 14, dependent conditional: 6, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1158, independent: 973, independent conditional: 69, independent unconditional: 904, dependent: 185, dependent conditional: 102, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1158, independent: 973, independent conditional: 69, independent unconditional: 904, dependent: 185, dependent conditional: 70, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1158, independent: 973, independent conditional: 69, independent unconditional: 904, dependent: 185, dependent conditional: 70, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 277, independent: 236, independent conditional: 15, independent unconditional: 221, dependent: 41, dependent conditional: 30, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 277, independent: 218, independent conditional: 0, independent unconditional: 218, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 59, independent: 18, independent conditional: 15, independent unconditional: 3, dependent: 41, dependent conditional: 30, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, independent: 18, independent conditional: 15, independent unconditional: 3, dependent: 41, dependent conditional: 30, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, independent: 78, independent conditional: 39, independent unconditional: 39, dependent: 64, dependent conditional: 44, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1158, independent: 737, independent conditional: 54, independent unconditional: 683, dependent: 144, dependent conditional: 40, dependent unconditional: 104, unknown: 277, unknown conditional: 45, unknown unconditional: 232] , Statistics on independence cache: Total cache size (in pairs): 277, Positive cache size: 236, Positive conditional cache size: 15, Positive unconditional cache size: 221, Negative cache size: 41, Negative conditional cache size: 30, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 32, Maximal queried relation: 4, Independence queries for same thread: 133
- PositiveResult [Line: 74]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 75]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
CFG has 5 procedures, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 6, 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: 33, 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, 0.7s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 151 ConstructedInterpolants, 0 QuantifiedInterpolants, 437 SizeOfPredicates, 4 NumberOfNonLiveVariables, 273 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 29/36 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
2 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-07-22 14:41:17,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2024-07-22 14:41:17,368 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