/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i


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


This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m
[2024-05-07 08:49:44,109 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-05-07 08:49:44,190 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2024-05-07 08:49:44,196 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-05-07 08:49:44,197 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-05-07 08:49:44,233 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-05-07 08:49:44,233 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-05-07 08:49:44,234 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-05-07 08:49:44,234 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-05-07 08:49:44,234 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-05-07 08:49:44,235 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-05-07 08:49:44,235 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-05-07 08:49:44,236 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-05-07 08:49:44,237 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-05-07 08:49:44,237 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-05-07 08:49:44,238 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-05-07 08:49:44,238 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-05-07 08:49:44,238 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-05-07 08:49:44,238 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-05-07 08:49:44,239 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-05-07 08:49:44,239 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-05-07 08:49:44,243 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-05-07 08:49:44,243 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-05-07 08:49:44,243 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-05-07 08:49:44,244 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-05-07 08:49:44,244 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-05-07 08:49:44,244 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-05-07 08:49:44,244 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2024-05-07 08:49:44,244 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-05-07 08:49:44,245 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-05-07 08:49:44,246 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-05-07 08:49:44,246 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-05-07 08:49:44,246 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-05-07 08:49:44,247 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-05-07 08:49:44,247 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2024-05-07 08:49:44,247 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-05-07 08:49:44,247 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-05-07 08:49:44,247 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-05-07 08:49:44,247 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-05-07 08:49:44,248 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10
[2024-05-07 08:49:44,546 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-05-07 08:49:44,582 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-05-07 08:49:44,585 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-05-07 08:49:44,586 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-05-07 08:49:44,587 INFO  L274        PluginConnector]: CDTParser initialized
[2024-05-07 08:49:44,588 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i
[2024-05-07 08:49:45,895 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-05-07 08:49:46,207 INFO  L384              CDTParser]: Found 1 translation units.
[2024-05-07 08:49:46,208 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i
[2024-05-07 08:49:46,221 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b80219f1b/a258e539daab475791b2d6871a7af5b8/FLAGfcce01274
[2024-05-07 08:49:46,234 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b80219f1b/a258e539daab475791b2d6871a7af5b8
[2024-05-07 08:49:46,237 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-05-07 08:49:46,238 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-05-07 08:49:46,239 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-05-07 08:49:46,239 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-05-07 08:49:46,247 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-05-07 08:49:46,248 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 08:49:46" (1/1) ...
[2024-05-07 08:49:46,249 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7101ebda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:49:46, skipping insertion in model container
[2024-05-07 08:49:46,249 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 08:49:46" (1/1) ...
[2024-05-07 08:49:46,317 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2024-05-07 08:49:46,452 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i[1107,1120]
[2024-05-07 08:49:46,592 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-05-07 08:49:46,615 INFO  L202         MainTranslator]: Completed pre-run
[2024-05-07 08:49:46,629 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i[1107,1120]
[2024-05-07 08:49:46,678 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-05-07 08:49:46,725 INFO  L206         MainTranslator]: Completed translation
[2024-05-07 08:49:46,726 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:49:46 WrapperNode
[2024-05-07 08:49:46,726 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-05-07 08:49:46,728 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-05-07 08:49:46,728 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-05-07 08:49:46,728 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-05-07 08:49:46,736 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:49:46" (1/1) ...
[2024-05-07 08:49:46,762 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:49:46" (1/1) ...
[2024-05-07 08:49:46,795 INFO  L138                Inliner]: procedures = 166, calls = 27, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 104
[2024-05-07 08:49:46,795 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-05-07 08:49:46,796 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-05-07 08:49:46,796 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-05-07 08:49:46,797 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-05-07 08:49:46,805 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:49:46" (1/1) ...
[2024-05-07 08:49:46,806 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:49:46" (1/1) ...
[2024-05-07 08:49:46,821 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:49:46" (1/1) ...
[2024-05-07 08:49:46,822 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:49:46" (1/1) ...
[2024-05-07 08:49:46,826 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:49:46" (1/1) ...
[2024-05-07 08:49:46,829 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:49:46" (1/1) ...
[2024-05-07 08:49:46,831 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:49:46" (1/1) ...
[2024-05-07 08:49:46,832 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:49:46" (1/1) ...
[2024-05-07 08:49:46,835 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-05-07 08:49:46,836 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-05-07 08:49:46,836 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-05-07 08:49:46,836 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-05-07 08:49:46,837 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:49:46" (1/1) ...
[2024-05-07 08:49:46,852 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-05-07 08:49:46,868 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-05-07 08:49:46,886 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)
[2024-05-07 08:49:46,888 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
[2024-05-07 08:49:46,934 INFO  L130     BoogieDeclarations]: Found specification of procedure worker
[2024-05-07 08:49:46,935 INFO  L138     BoogieDeclarations]: Found implementation of procedure worker
[2024-05-07 08:49:46,935 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-05-07 08:49:46,936 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-05-07 08:49:46,936 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-05-07 08:49:46,936 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-05-07 08:49:46,936 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-05-07 08:49:46,936 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-05-07 08:49:46,936 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-05-07 08:49:46,936 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-05-07 08:49:46,936 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-05-07 08:49:46,938 WARN  L213             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-05-07 08:49:47,060 INFO  L241             CfgBuilder]: Building ICFG
[2024-05-07 08:49:47,068 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-05-07 08:49:47,266 INFO  L282             CfgBuilder]: Performing block encoding
[2024-05-07 08:49:47,295 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-05-07 08:49:47,296 INFO  L309             CfgBuilder]: Removed 3 assume(true) statements.
[2024-05-07 08:49:47,297 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 08:49:47 BoogieIcfgContainer
[2024-05-07 08:49:47,298 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-05-07 08:49:47,300 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-05-07 08:49:47,301 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-05-07 08:49:47,304 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-05-07 08:49:47,304 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 08:49:46" (1/3) ...
[2024-05-07 08:49:47,305 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d926b25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 08:49:47, skipping insertion in model container
[2024-05-07 08:49:47,305 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:49:46" (2/3) ...
[2024-05-07 08:49:47,305 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d926b25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 08:49:47, skipping insertion in model container
[2024-05-07 08:49:47,305 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 08:49:47" (3/3) ...
[2024-05-07 08:49:47,306 INFO  L112   eAbstractionObserver]: Analyzing ICFG 13-privatized_69-refine-protected-loop-interval_true.i
[2024-05-07 08:49:47,315 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-05-07 08:49:47,326 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-05-07 08:49:47,326 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-05-07 08:49:47,326 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-05-07 08:49:47,379 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-05-07 08:49:47,415 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-05-07 08:49:47,415 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-05-07 08:49:47,415 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-05-07 08:49:47,416 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)
[2024-05-07 08:49:47,418 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
[2024-05-07 08:49:47,450 INFO  L188   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-05-07 08:49:47,463 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-05-07 08:49:47,466 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-05-07 08:49:47,473 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=true, 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;@7c489df4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false
[2024-05-07 08:49:47,473 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-05-07 08:49:47,616 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-05-07 08:49:47,618 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-05-07 08:49:47,618 INFO  L85        PathProgramCache]: Analyzing trace with hash -1824287279, now seen corresponding path program 1 times
[2024-05-07 08:49:47,628 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-05-07 08:49:47,629 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603007030]
[2024-05-07 08:49:47,629 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-05-07 08:49:47,630 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-05-07 08:49:47,811 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-05-07 08:49:48,121 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-05-07 08:49:48,122 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-05-07 08:49:48,122 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603007030]
[2024-05-07 08:49:48,123 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603007030] provided 1 perfect and 0 imperfect interpolant sequences
[2024-05-07 08:49:48,123 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-05-07 08:49:48,123 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-05-07 08:49:48,129 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074746833]
[2024-05-07 08:49:48,130 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-05-07 08:49:48,134 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-05-07 08:49:48,134 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-05-07 08:49:48,154 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-05-07 08:49:48,156 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-05-07 08:49:48,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-05-07 08:49:48,158 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-05-07 08:49:48,159 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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)
[2024-05-07 08:49:48,159 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-05-07 08:49:48,313 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:48,313 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-05-07 08:49:48,313 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-05-07 08:49:48,315 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-05-07 08:49:48,315 INFO  L85        PathProgramCache]: Analyzing trace with hash -1794703790, now seen corresponding path program 1 times
[2024-05-07 08:49:48,315 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-05-07 08:49:48,315 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455151233]
[2024-05-07 08:49:48,316 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-05-07 08:49:48,316 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-05-07 08:49:48,351 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-05-07 08:49:48,507 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-05-07 08:49:48,507 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-05-07 08:49:48,508 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455151233]
[2024-05-07 08:49:48,508 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455151233] provided 1 perfect and 0 imperfect interpolant sequences
[2024-05-07 08:49:48,508 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-05-07 08:49:48,508 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-05-07 08:49:48,508 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378049850]
[2024-05-07 08:49:48,508 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-05-07 08:49:48,509 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-05-07 08:49:48,510 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-05-07 08:49:48,510 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-05-07 08:49:48,510 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-05-07 08:49:48,510 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-05-07 08:49:48,511 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-05-07 08:49:48,511 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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)
[2024-05-07 08:49:48,511 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:48,511 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-05-07 08:49:48,552 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:48,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-05-07 08:49:48,553 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-05-07 08:49:48,553 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-05-07 08:49:48,554 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-05-07 08:49:48,554 INFO  L85        PathProgramCache]: Analyzing trace with hash 1677979329, now seen corresponding path program 1 times
[2024-05-07 08:49:48,554 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-05-07 08:49:48,555 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215296358]
[2024-05-07 08:49:48,555 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-05-07 08:49:48,555 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-05-07 08:49:48,589 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-05-07 08:49:48,716 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-05-07 08:49:48,716 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-05-07 08:49:48,716 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215296358]
[2024-05-07 08:49:48,717 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215296358] provided 1 perfect and 0 imperfect interpolant sequences
[2024-05-07 08:49:48,717 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-05-07 08:49:48,717 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-05-07 08:49:48,717 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581243739]
[2024-05-07 08:49:48,717 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-05-07 08:49:48,718 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-05-07 08:49:48,718 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-05-07 08:49:48,718 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-05-07 08:49:48,718 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-05-07 08:49:48,719 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-05-07 08:49:48,719 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-05-07 08:49:48,719 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-05-07 08:49:48,719 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:48,719 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-05-07 08:49:48,719 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-05-07 08:49:48,855 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:48,855 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-05-07 08:49:48,855 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:48,856 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-05-07 08:49:48,856 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-05-07 08:49:48,856 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-05-07 08:49:48,857 INFO  L85        PathProgramCache]: Analyzing trace with hash 645658130, now seen corresponding path program 2 times
[2024-05-07 08:49:48,857 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-05-07 08:49:48,857 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669515091]
[2024-05-07 08:49:48,857 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-05-07 08:49:48,857 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-05-07 08:49:48,871 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-05-07 08:49:48,947 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-05-07 08:49:48,947 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-05-07 08:49:48,947 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669515091]
[2024-05-07 08:49:48,947 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669515091] provided 1 perfect and 0 imperfect interpolant sequences
[2024-05-07 08:49:48,947 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-05-07 08:49:48,948 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-05-07 08:49:48,948 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94376211]
[2024-05-07 08:49:48,948 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-05-07 08:49:48,948 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-05-07 08:49:48,948 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-05-07 08:49:48,949 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-05-07 08:49:48,949 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-05-07 08:49:48,949 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-05-07 08:49:48,949 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-05-07 08:49:48,950 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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)
[2024-05-07 08:49:48,950 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:48,950 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-05-07 08:49:48,950 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:48,950 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-05-07 08:49:49,106 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:49,106 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-05-07 08:49:49,106 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:49,106 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:49,107 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-05-07 08:49:49,107 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-05-07 08:49:49,108 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-05-07 08:49:49,108 INFO  L85        PathProgramCache]: Analyzing trace with hash -656894837, now seen corresponding path program 1 times
[2024-05-07 08:49:49,108 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-05-07 08:49:49,108 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258601409]
[2024-05-07 08:49:49,108 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-05-07 08:49:49,109 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-05-07 08:49:49,138 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-05-07 08:49:49,289 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-05-07 08:49:49,290 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-05-07 08:49:49,290 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258601409]
[2024-05-07 08:49:49,290 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258601409] provided 1 perfect and 0 imperfect interpolant sequences
[2024-05-07 08:49:49,290 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-05-07 08:49:49,290 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-05-07 08:49:49,291 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079114067]
[2024-05-07 08:49:49,291 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-05-07 08:49:49,292 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-05-07 08:49:49,292 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-05-07 08:49:49,293 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-05-07 08:49:49,294 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-05-07 08:49:49,294 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-05-07 08:49:49,294 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-05-07 08:49:49,294 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 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)
[2024-05-07 08:49:49,295 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:49,295 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-05-07 08:49:49,295 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:49,295 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:49,295 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-05-07 08:49:49,473 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:49,474 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-05-07 08:49:49,474 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:49,474 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:49,474 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-05-07 08:49:49,474 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-05-07 08:49:49,474 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-05-07 08:49:49,475 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-05-07 08:49:49,475 INFO  L85        PathProgramCache]: Analyzing trace with hash 1466141198, now seen corresponding path program 1 times
[2024-05-07 08:49:49,475 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-05-07 08:49:49,475 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130841615]
[2024-05-07 08:49:49,475 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-05-07 08:49:49,475 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-05-07 08:49:49,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-05-07 08:49:49,765 INFO  L134       CoverageAnalysis]: Checked inductivity of 209 backedges. 102 proven. 44 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked.
[2024-05-07 08:49:49,765 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-05-07 08:49:49,766 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130841615]
[2024-05-07 08:49:49,766 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130841615] provided 0 perfect and 1 imperfect interpolant sequences
[2024-05-07 08:49:49,766 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316657447]
[2024-05-07 08:49:49,766 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-05-07 08:49:49,767 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-05-07 08:49:49,767 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-05-07 08:49:49,811 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)
[2024-05-07 08:49:49,827 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-05-07 08:49:49,965 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-05-07 08:49:49,968 INFO  L262         TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 12 conjunts are in the unsatisfiable core
[2024-05-07 08:49:49,976 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-05-07 08:49:50,246 INFO  L134       CoverageAnalysis]: Checked inductivity of 209 backedges. 102 proven. 31 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked.
[2024-05-07 08:49:50,246 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-05-07 08:49:50,467 INFO  L134       CoverageAnalysis]: Checked inductivity of 209 backedges. 102 proven. 31 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked.
[2024-05-07 08:49:50,467 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316657447] provided 0 perfect and 2 imperfect interpolant sequences
[2024-05-07 08:49:50,468 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-05-07 08:49:50,468 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 12
[2024-05-07 08:49:50,468 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861060166]
[2024-05-07 08:49:50,468 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-05-07 08:49:50,469 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-05-07 08:49:50,469 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-05-07 08:49:50,470 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-05-07 08:49:50,470 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132
[2024-05-07 08:49:50,470 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-05-07 08:49:50,470 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-05-07 08:49:50,471 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 19.75) internal successors, (237), 12 states have internal predecessors, (237), 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)
[2024-05-07 08:49:50,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:50,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-05-07 08:49:50,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:50,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:50,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-05-07 08:49:50,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-05-07 08:49:50,734 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:50,734 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-05-07 08:49:50,734 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:50,734 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:50,734 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-05-07 08:49:50,734 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-05-07 08:49:50,745 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-05-07 08:49:50,941 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,SelfDestructingSolverStorable5
[2024-05-07 08:49:50,942 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-05-07 08:49:50,942 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-05-07 08:49:50,943 INFO  L85        PathProgramCache]: Analyzing trace with hash -1944869042, now seen corresponding path program 2 times
[2024-05-07 08:49:50,943 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-05-07 08:49:50,943 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863400239]
[2024-05-07 08:49:50,943 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-05-07 08:49:50,943 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-05-07 08:49:51,000 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-05-07 08:49:51,694 INFO  L134       CoverageAnalysis]: Checked inductivity of 812 backedges. 214 proven. 497 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked.
[2024-05-07 08:49:51,695 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-05-07 08:49:51,695 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863400239]
[2024-05-07 08:49:51,695 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863400239] provided 0 perfect and 1 imperfect interpolant sequences
[2024-05-07 08:49:51,695 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562920989]
[2024-05-07 08:49:51,695 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-05-07 08:49:51,696 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-05-07 08:49:51,696 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-05-07 08:49:51,697 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)
[2024-05-07 08:49:51,722 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-05-07 08:49:51,879 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-05-07 08:49:51,879 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-05-07 08:49:51,882 INFO  L262         TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 24 conjunts are in the unsatisfiable core
[2024-05-07 08:49:51,890 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-05-07 08:49:52,176 INFO  L134       CoverageAnalysis]: Checked inductivity of 812 backedges. 214 proven. 484 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked.
[2024-05-07 08:49:52,176 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-05-07 08:49:52,550 INFO  L134       CoverageAnalysis]: Checked inductivity of 812 backedges. 214 proven. 484 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked.
[2024-05-07 08:49:52,550 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562920989] provided 0 perfect and 2 imperfect interpolant sequences
[2024-05-07 08:49:52,551 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-05-07 08:49:52,551 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 24
[2024-05-07 08:49:52,551 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240749612]
[2024-05-07 08:49:52,551 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-05-07 08:49:52,552 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-05-07 08:49:52,552 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-05-07 08:49:52,553 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-05-07 08:49:52,553 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552
[2024-05-07 08:49:52,554 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-05-07 08:49:52,554 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-05-07 08:49:52,554 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 24 states, 24 states have (on average 17.208333333333332) internal successors, (413), 24 states have internal predecessors, (413), 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)
[2024-05-07 08:49:52,554 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:52,554 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-05-07 08:49:52,555 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:52,555 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:52,555 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-05-07 08:49:52,555 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-05-07 08:49:52,555 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-05-07 08:49:53,133 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:53,134 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-05-07 08:49:53,134 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:53,134 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:53,134 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-05-07 08:49:53,134 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-05-07 08:49:53,134 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. 
[2024-05-07 08:49:53,144 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-05-07 08:49:53,341 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-05-07 08:49:53,342 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr0ASSERT_VIOLATIONERROR_FUNCTION, workerErr1ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-05-07 08:49:53,342 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-05-07 08:49:53,342 INFO  L85        PathProgramCache]: Analyzing trace with hash -1472278066, now seen corresponding path program 3 times
[2024-05-07 08:49:53,342 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-05-07 08:49:53,342 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426394234]
[2024-05-07 08:49:53,343 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-05-07 08:49:53,343 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-05-07 08:49:53,455 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-05-07 08:49:55,413 INFO  L134       CoverageAnalysis]: Checked inductivity of 3230 backedges. 438 proven. 2615 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked.
[2024-05-07 08:49:55,413 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-05-07 08:49:55,414 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426394234]
[2024-05-07 08:49:55,414 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426394234] provided 0 perfect and 1 imperfect interpolant sequences
[2024-05-07 08:49:55,414 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448834148]
[2024-05-07 08:49:55,414 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-05-07 08:49:55,415 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-05-07 08:49:55,415 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-05-07 08:49:55,416 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)
[2024-05-07 08:49:55,438 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-05-07 08:49:55,578 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-05-07 08:49:55,578 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-05-07 08:49:55,581 INFO  L262         TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 10 conjunts are in the unsatisfiable core
[2024-05-07 08:49:55,587 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-05-07 08:49:55,717 INFO  L134       CoverageAnalysis]: Checked inductivity of 3230 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 3023 trivial. 0 not checked.
[2024-05-07 08:49:55,717 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-05-07 08:49:55,720 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448834148] provided 1 perfect and 0 imperfect interpolant sequences
[2024-05-07 08:49:55,720 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-05-07 08:49:55,721 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [26] total 31
[2024-05-07 08:49:55,721 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150093927]
[2024-05-07 08:49:55,721 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-05-07 08:49:55,722 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-05-07 08:49:55,723 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-05-07 08:49:55,724 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-05-07 08:49:55,724 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=784, Unknown=0, NotChecked=0, Total=930
[2024-05-07 08:49:55,724 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-05-07 08:49:55,724 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-05-07 08:49:55,725 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 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)
[2024-05-07 08:49:55,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:55,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-05-07 08:49:55,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:55,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:55,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-05-07 08:49:55,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-05-07 08:49:55,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. 
[2024-05-07 08:49:55,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-05-07 08:49:57,247 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:57,248 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-05-07 08:49:57,248 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:57,248 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-05-07 08:49:57,248 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-05-07 08:49:57,248 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-05-07 08:49:57,248 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. 
[2024-05-07 08:49:57,248 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-05-07 08:49:57,251 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-05-07 08:49:57,252 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining)
[2024-05-07 08:49:57,252 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining)
[2024-05-07 08:49:57,252 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining)
[2024-05-07 08:49:57,252 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining)
[2024-05-07 08:49:57,263 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-05-07 08:49:57,458 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-05-07 08:49:57,463 INFO  L448         BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1]
[2024-05-07 08:49:57,468 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-05-07 08:49:57,468 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2024-05-07 08:49:57,472 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 08:49:57 BasicIcfg
[2024-05-07 08:49:57,472 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-05-07 08:49:57,472 INFO  L158              Benchmark]: Toolchain (without parser) took 11234.65ms. Allocated memory was 253.8MB in the beginning and 440.4MB in the end (delta: 186.6MB). Free memory was 183.3MB in the beginning and 226.5MB in the end (delta: -43.2MB). Peak memory consumption was 143.7MB. Max. memory is 8.0GB.
[2024-05-07 08:49:57,473 INFO  L158              Benchmark]: CDTParser took 0.18ms. Allocated memory is still 253.8MB. Free memory is still 223.4MB. There was no memory consumed. Max. memory is 8.0GB.
[2024-05-07 08:49:57,473 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 487.41ms. Allocated memory is still 253.8MB. Free memory was 183.0MB in the beginning and 163.2MB in the end (delta: 19.8MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB.
[2024-05-07 08:49:57,473 INFO  L158              Benchmark]: Boogie Procedure Inliner took 67.28ms. Allocated memory is still 253.8MB. Free memory was 163.2MB in the beginning and 161.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2024-05-07 08:49:57,474 INFO  L158              Benchmark]: Boogie Preprocessor took 39.23ms. Allocated memory is still 253.8MB. Free memory was 161.0MB in the beginning and 159.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2024-05-07 08:49:57,474 INFO  L158              Benchmark]: RCFGBuilder took 461.98ms. Allocated memory is still 253.8MB. Free memory was 159.5MB in the beginning and 216.8MB in the end (delta: -57.3MB). Peak memory consumption was 18.7MB. Max. memory is 8.0GB.
[2024-05-07 08:49:57,474 INFO  L158              Benchmark]: TraceAbstraction took 10171.68ms. Allocated memory was 253.8MB in the beginning and 440.4MB in the end (delta: 186.6MB). Free memory was 215.7MB in the beginning and 226.5MB in the end (delta: -10.8MB). Peak memory consumption was 175.3MB. Max. memory is 8.0GB.
[2024-05-07 08:49:57,475 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.18ms. Allocated memory is still 253.8MB. Free memory is still 223.4MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 487.41ms. Allocated memory is still 253.8MB. Free memory was 183.0MB in the beginning and 163.2MB in the end (delta: 19.8MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 67.28ms. Allocated memory is still 253.8MB. Free memory was 163.2MB in the beginning and 161.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 39.23ms. Allocated memory is still 253.8MB. Free memory was 161.0MB in the beginning and 159.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 461.98ms. Allocated memory is still 253.8MB. Free memory was 159.5MB in the beginning and 216.8MB in the end (delta: -57.3MB). Peak memory consumption was 18.7MB. Max. memory is 8.0GB.
 * TraceAbstraction took 10171.68ms. Allocated memory was 253.8MB in the beginning and 440.4MB in the end (delta: 186.6MB). Free memory was 215.7MB in the beginning and 226.5MB in the end (delta: -10.8MB). Peak memory consumption was 175.3MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 37588, independent: 35574, independent conditional: 35422, independent unconditional: 152, dependent: 2014, dependent conditional: 2012, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 35614, independent: 35574, independent conditional: 35422, independent unconditional: 152, dependent: 40, dependent conditional: 38, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35614, independent: 35574, independent conditional: 35422, independent unconditional: 152, dependent: 40, dependent conditional: 38, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 35614, independent: 35574, independent conditional: 35422, independent unconditional: 152, dependent: 40, dependent conditional: 38, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35773, independent: 35574, independent conditional: 16897, independent unconditional: 18677, dependent: 199, dependent conditional: 121, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 35773, independent: 35574, independent conditional: 5082, independent unconditional: 30492, dependent: 199, dependent conditional: 37, dependent unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35773, independent: 35574, independent conditional: 5082, independent unconditional: 30492, dependent: 199, dependent conditional: 37, dependent unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1865, independent: 1857, independent conditional: 277, independent unconditional: 1580, dependent: 8, dependent conditional: 4, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1865, independent: 1855, independent conditional: 0, independent unconditional: 1855, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 8, dependent conditional: 4, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 8, dependent conditional: 4, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 78, dependent conditional: 20, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 35773, independent: 33717, independent conditional: 4805, independent unconditional: 28912, dependent: 191, dependent conditional: 33, dependent unconditional: 158, unknown: 1865, unknown conditional: 281, unknown unconditional: 1584] , Statistics on independence cache: Total cache size (in pairs): 1865, Positive cache size: 1857, Positive conditional cache size: 277, Positive unconditional cache size: 1580, Negative cache size: 8, Negative conditional cache size: 4, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11899, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35773, independent: 35574, independent conditional: 16897, independent unconditional: 18677, dependent: 199, dependent conditional: 121, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 35773, independent: 35574, independent conditional: 5082, independent unconditional: 30492, dependent: 199, dependent conditional: 37, dependent unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35773, independent: 35574, independent conditional: 5082, independent unconditional: 30492, dependent: 199, dependent conditional: 37, dependent unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1865, independent: 1857, independent conditional: 277, independent unconditional: 1580, dependent: 8, dependent conditional: 4, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1865, independent: 1855, independent conditional: 0, independent unconditional: 1855, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 8, dependent conditional: 4, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 8, dependent conditional: 4, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 78, dependent conditional: 20, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 35773, independent: 33717, independent conditional: 4805, independent unconditional: 28912, dependent: 191, dependent conditional: 33, dependent unconditional: 158, unknown: 1865, unknown conditional: 281, unknown unconditional: 1584] , Statistics on independence cache: Total cache size (in pairs): 1865, Positive cache size: 1857, Positive conditional cache size: 277, Positive unconditional cache size: 1580, Negative cache size: 8, Negative conditional cache size: 4, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11899 ], Independence queries for same thread: 1974
  - PositiveResult [Line: 19]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 19]: 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 with 1 thread instances
    CFG has 3 procedures, 148 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 10.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 3.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 96, 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: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 2540 NumberOfCodeBlocks, 2039 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3045 ConstructedInterpolants, 0 QuantifiedInterpolants, 6650 SizeOfPredicates, 36 NumberOfNonLiveVariables, 1226 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 5369/9555 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, ConditionalCommutativityCheckTime: 0.3s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0
  - AllSpecificationsHoldResult: All specifications hold
    2 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-05-07 08:49:57,491 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
[2024-05-07 08:49:57,693 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...