/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 DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c


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


This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m
[2024-04-04 02:59:40,085 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-04-04 02:59:40,151 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2024-04-04 02:59:40,156 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-04-04 02:59:40,156 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-04-04 02:59:40,179 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-04-04 02:59:40,180 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-04-04 02:59:40,180 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-04-04 02:59:40,180 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-04-04 02:59:40,183 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-04-04 02:59:40,184 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-04-04 02:59:40,184 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-04-04 02:59:40,184 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-04-04 02:59:40,186 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-04-04 02:59:40,186 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-04-04 02:59:40,186 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-04-04 02:59:40,186 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-04-04 02:59:40,186 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-04-04 02:59:40,186 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-04-04 02:59:40,187 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-04-04 02:59:40,187 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-04-04 02:59:40,187 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-04-04 02:59:40,187 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-04-04 02:59:40,187 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-04-04 02:59:40,187 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-04-04 02:59:40,188 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-04-04 02:59:40,188 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-04-04 02:59:40,188 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2024-04-04 02:59:40,188 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-04-04 02:59:40,188 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-04 02:59:40,189 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-04-04 02:59:40,190 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-04-04 02:59:40,190 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-04-04 02:59:40,190 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-04-04 02:59:40,190 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2024-04-04 02:59:40,190 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-04-04 02:59:40,190 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-04-04 02:59:40,190 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-04-04 02:59:40,190 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-04-04 02:59:40,190 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT
[2024-04-04 02:59:40,421 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-04-04 02:59:40,438 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-04-04 02:59:40,440 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-04-04 02:59:40,441 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-04-04 02:59:40,441 INFO  L274        PluginConnector]: CDTParser initialized
[2024-04-04 02:59:40,442 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c
[2024-04-04 02:59:41,540 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-04-04 02:59:41,717 INFO  L384              CDTParser]: Found 1 translation units.
[2024-04-04 02:59:41,718 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c
[2024-04-04 02:59:41,726 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/96a48c202/675943f135db4e80b75b188cd55f22e0/FLAG9fcd70c2e
[2024-04-04 02:59:41,743 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/96a48c202/675943f135db4e80b75b188cd55f22e0
[2024-04-04 02:59:41,745 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-04-04 02:59:41,747 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-04-04 02:59:41,750 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-04-04 02:59:41,750 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-04-04 02:59:41,754 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-04-04 02:59:41,755 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 02:59:41" (1/1) ...
[2024-04-04 02:59:41,755 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cba5e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:59:41, skipping insertion in model container
[2024-04-04 02:59:41,756 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 02:59:41" (1/1) ...
[2024-04-04 02:59:41,777 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2024-04-04 02:59:41,905 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c[2412,2425]
[2024-04-04 02:59:41,913 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-04-04 02:59:41,920 INFO  L202         MainTranslator]: Completed pre-run
[2024-04-04 02:59:41,934 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c[2412,2425]
[2024-04-04 02:59:41,937 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-04-04 02:59:41,949 INFO  L206         MainTranslator]: Completed translation
[2024-04-04 02:59:41,949 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:59:41 WrapperNode
[2024-04-04 02:59:41,949 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-04-04 02:59:41,952 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-04-04 02:59:41,952 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-04-04 02:59:41,952 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-04-04 02:59:41,958 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:59:41" (1/1) ...
[2024-04-04 02:59:41,964 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:59:41" (1/1) ...
[2024-04-04 02:59:42,007 INFO  L138                Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 15, calls inlined = 27, statements flattened = 280
[2024-04-04 02:59:42,007 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-04-04 02:59:42,008 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-04-04 02:59:42,008 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-04-04 02:59:42,009 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-04-04 02:59:42,016 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:59:41" (1/1) ...
[2024-04-04 02:59:42,017 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:59:41" (1/1) ...
[2024-04-04 02:59:42,019 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:59:41" (1/1) ...
[2024-04-04 02:59:42,020 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:59:41" (1/1) ...
[2024-04-04 02:59:42,040 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:59:41" (1/1) ...
[2024-04-04 02:59:42,044 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:59:41" (1/1) ...
[2024-04-04 02:59:42,045 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:59:41" (1/1) ...
[2024-04-04 02:59:42,056 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:59:41" (1/1) ...
[2024-04-04 02:59:42,059 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-04-04 02:59:42,059 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-04-04 02:59:42,059 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-04-04 02:59:42,059 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-04-04 02:59:42,060 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:59:41" (1/1) ...
[2024-04-04 02:59:42,068 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-04 02:59:42,077 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 02:59:42,094 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)
[2024-04-04 02:59:42,113 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
[2024-04-04 02:59:42,145 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-04-04 02:59:42,146 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-04-04 02:59:42,146 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-04-04 02:59:42,146 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-04-04 02:59:42,146 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-04-04 02:59:42,146 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-04-04 02:59:42,146 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-04-04 02:59:42,146 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-04-04 02:59:42,146 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2024-04-04 02:59:42,146 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2024-04-04 02:59:42,146 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-04-04 02:59:42,147 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-04-04 02:59:42,147 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-04-04 02:59:42,148 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-04-04 02:59:42,148 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-04-04 02:59:42,150 WARN  L213             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-04-04 02:59:42,315 INFO  L241             CfgBuilder]: Building ICFG
[2024-04-04 02:59:42,317 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-04-04 02:59:42,714 INFO  L282             CfgBuilder]: Performing block encoding
[2024-04-04 02:59:42,727 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-04-04 02:59:42,727 INFO  L309             CfgBuilder]: Removed 6 assume(true) statements.
[2024-04-04 02:59:42,728 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 02:59:42 BoogieIcfgContainer
[2024-04-04 02:59:42,728 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-04-04 02:59:42,730 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-04-04 02:59:42,731 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-04-04 02:59:42,733 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-04-04 02:59:42,733 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 02:59:41" (1/3) ...
[2024-04-04 02:59:42,734 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62722174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 02:59:42, skipping insertion in model container
[2024-04-04 02:59:42,734 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:59:41" (2/3) ...
[2024-04-04 02:59:42,734 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62722174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 02:59:42, skipping insertion in model container
[2024-04-04 02:59:42,734 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 02:59:42" (3/3) ...
[2024-04-04 02:59:42,735 INFO  L112   eAbstractionObserver]: Analyzing ICFG popl20-bad-three-array-sum-alt.wvr.c
[2024-04-04 02:59:42,741 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-04-04 02:59:42,749 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-04-04 02:59:42,749 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-04-04 02:59:42,749 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-04-04 02:59:42,822 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-04-04 02:59:42,866 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-04-04 02:59:42,866 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-04-04 02:59:42,866 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 02:59:42,873 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)
[2024-04-04 02:59:42,874 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
[2024-04-04 02:59:42,911 INFO  L184   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-04-04 02:59:42,920 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 02:59:42,921 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-04-04 02:59:42,926 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;@3797b098, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123
[2024-04-04 02:59:42,926 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-04-04 03:00:11,829 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 03:00:11,830 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 03:00:11,831 INFO  L85        PathProgramCache]: Analyzing trace with hash 2034589516, now seen corresponding path program 1 times
[2024-04-04 03:00:11,837 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 03:00:11,837 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164345536]
[2024-04-04 03:00:11,838 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 03:00:11,838 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 03:00:12,258 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 03:00:12,725 INFO  L134       CoverageAnalysis]: Checked inductivity of 1145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1145 trivial. 0 not checked.
[2024-04-04 03:00:12,726 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 03:00:12,726 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164345536]
[2024-04-04 03:00:12,726 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164345536] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-04 03:00:12,727 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-04 03:00:12,727 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-04-04 03:00:12,728 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394554009]
[2024-04-04 03:00:12,728 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-04 03:00:12,754 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-04-04 03:00:12,754 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 03:00:12,796 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-04-04 03:00:12,797 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-04-04 03:00:12,797 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:00:12,799 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 03:00:12,801 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 156.5) internal successors, (313), 2 states have internal predecessors, (313), 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)
[2024-04-04 03:00:12,801 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:00:29,429 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:00:29,430 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-04-04 03:00:29,430 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 03:00:29,430 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 03:00:29,431 INFO  L85        PathProgramCache]: Analyzing trace with hash 1244225216, now seen corresponding path program 1 times
[2024-04-04 03:00:29,431 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 03:00:29,432 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008601342]
[2024-04-04 03:00:29,432 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 03:00:29,432 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 03:00:29,558 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 03:00:30,240 INFO  L134       CoverageAnalysis]: Checked inductivity of 1073 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked.
[2024-04-04 03:00:30,241 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 03:00:30,241 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008601342]
[2024-04-04 03:00:30,241 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008601342] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-04 03:00:30,241 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-04 03:00:30,241 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-04-04 03:00:30,241 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574628919]
[2024-04-04 03:00:30,242 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-04 03:00:30,243 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-04-04 03:00:30,244 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 03:00:30,245 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-04-04 03:00:30,245 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-04-04 03:00:30,245 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:00:30,247 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 03:00:30,247 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 42.42857142857143) internal successors, (297), 7 states have internal predecessors, (297), 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)
[2024-04-04 03:00:30,248 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:00:30,248 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:00:46,819 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:00:46,819 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 03:00:46,820 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-04-04 03:00:46,830 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 03:00:46,830 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 03:00:46,831 INFO  L85        PathProgramCache]: Analyzing trace with hash 357252943, now seen corresponding path program 1 times
[2024-04-04 03:00:46,831 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 03:00:46,832 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359190983]
[2024-04-04 03:00:46,840 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 03:00:46,840 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 03:00:46,948 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 03:00:47,723 INFO  L134       CoverageAnalysis]: Checked inductivity of 1076 backedges. 287 proven. 2 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked.
[2024-04-04 03:00:47,723 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 03:00:47,723 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359190983]
[2024-04-04 03:00:47,723 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359190983] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-04 03:00:47,723 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040816089]
[2024-04-04 03:00:47,724 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 03:00:47,724 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 03:00:47,724 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 03:00:47,726 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)
[2024-04-04 03:00:47,727 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-04-04 03:00:47,962 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 03:00:47,968 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 10 conjunts are in the unsatisfiable core
[2024-04-04 03:00:47,995 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-04 03:00:48,420 INFO  L134       CoverageAnalysis]: Checked inductivity of 1076 backedges. 288 proven. 1 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked.
[2024-04-04 03:00:48,421 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-04 03:00:48,826 INFO  L134       CoverageAnalysis]: Checked inductivity of 1076 backedges. 288 proven. 1 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked.
[2024-04-04 03:00:48,826 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040816089] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-04 03:00:48,826 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-04 03:00:48,827 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24
[2024-04-04 03:00:48,827 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377666026]
[2024-04-04 03:00:48,827 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-04 03:00:48,830 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-04-04 03:00:48,830 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 03:00:48,831 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-04-04 03:00:48,832 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552
[2024-04-04 03:00:48,832 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:00:48,832 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 03:00:48,833 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 24 states, 24 states have (on average 24.833333333333332) internal successors, (596), 24 states have internal predecessors, (596), 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)
[2024-04-04 03:00:48,833 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:00:48,833 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 03:00:48,833 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:01:05,774 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:01:05,775 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 03:01:05,775 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-04-04 03:01:05,789 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-04-04 03:01:05,983 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
[2024-04-04 03:01:05,983 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 03:01:05,984 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 03:01:05,984 INFO  L85        PathProgramCache]: Analyzing trace with hash 301323998, now seen corresponding path program 2 times
[2024-04-04 03:01:05,984 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 03:01:05,985 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239867231]
[2024-04-04 03:01:05,985 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 03:01:05,986 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 03:01:06,071 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 03:01:08,096 INFO  L134       CoverageAnalysis]: Checked inductivity of 1103 backedges. 558 proven. 525 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2024-04-04 03:01:08,096 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 03:01:08,097 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239867231]
[2024-04-04 03:01:08,097 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239867231] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-04 03:01:08,097 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110217538]
[2024-04-04 03:01:08,097 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-04-04 03:01:08,097 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 03:01:08,097 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 03:01:08,098 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)
[2024-04-04 03:01:08,100 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-04-04 03:01:08,361 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-04-04 03:01:08,361 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-04 03:01:08,366 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 14 conjunts are in the unsatisfiable core
[2024-04-04 03:01:08,372 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-04 03:01:08,968 INFO  L134       CoverageAnalysis]: Checked inductivity of 1103 backedges. 409 proven. 10 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked.
[2024-04-04 03:01:08,968 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-04 03:01:09,499 INFO  L134       CoverageAnalysis]: Checked inductivity of 1103 backedges. 409 proven. 10 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked.
[2024-04-04 03:01:09,499 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [110217538] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-04 03:01:09,500 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-04 03:01:09,500 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 15, 15] total 53
[2024-04-04 03:01:09,500 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166037054]
[2024-04-04 03:01:09,500 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-04 03:01:09,504 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 53 states
[2024-04-04 03:01:09,504 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 03:01:09,506 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants.
[2024-04-04 03:01:09,507 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=2469, Unknown=0, NotChecked=0, Total=2756
[2024-04-04 03:01:09,507 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:01:09,507 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 03:01:09,507 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 53 states, 53 states have (on average 21.20754716981132) internal successors, (1124), 53 states have internal predecessors, (1124), 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)
[2024-04-04 03:01:09,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:01:09,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 03:01:09,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2024-04-04 03:01:09,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:01:27,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:01:27,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 03:01:27,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-04-04 03:01:27,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-04-04 03:01:27,129 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-04-04 03:01:27,329 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 03:01:27,329 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 03:01:27,330 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 03:01:27,330 INFO  L85        PathProgramCache]: Analyzing trace with hash 1663968621, now seen corresponding path program 3 times
[2024-04-04 03:01:27,330 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 03:01:27,330 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884847612]
[2024-04-04 03:01:27,330 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 03:01:27,330 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 03:01:27,400 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 03:01:28,178 INFO  L134       CoverageAnalysis]: Checked inductivity of 1154 backedges. 626 proven. 182 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked.
[2024-04-04 03:01:28,178 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 03:01:28,179 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884847612]
[2024-04-04 03:01:28,179 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884847612] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-04 03:01:28,179 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759987163]
[2024-04-04 03:01:28,179 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-04-04 03:01:28,179 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 03:01:28,179 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 03:01:28,194 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)
[2024-04-04 03:01:28,194 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-04-04 03:01:28,561 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s)
[2024-04-04 03:01:28,561 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-04 03:01:28,567 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 24 conjunts are in the unsatisfiable core
[2024-04-04 03:01:28,574 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-04 03:01:29,424 INFO  L134       CoverageAnalysis]: Checked inductivity of 1154 backedges. 634 proven. 174 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked.
[2024-04-04 03:01:29,424 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-04 03:01:30,100 INFO  L134       CoverageAnalysis]: Checked inductivity of 1154 backedges. 382 proven. 545 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked.
[2024-04-04 03:01:30,101 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [759987163] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-04 03:01:30,101 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-04 03:01:30,101 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 18] total 37
[2024-04-04 03:01:30,101 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075447714]
[2024-04-04 03:01:30,101 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-04 03:01:30,102 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 37 states
[2024-04-04 03:01:30,103 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 03:01:30,104 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants.
[2024-04-04 03:01:30,104 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1121, Unknown=0, NotChecked=0, Total=1332
[2024-04-04 03:01:30,104 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:01:30,104 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 03:01:30,105 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 37 states, 37 states have (on average 28.45945945945946) internal successors, (1053), 37 states have internal predecessors, (1053), 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)
[2024-04-04 03:01:30,105 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:01:30,105 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 03:01:30,105 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2024-04-04 03:01:30,105 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-04-04 03:01:30,105 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:02:00,573 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:02:00,573 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 03:02:00,573 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-04-04 03:02:00,573 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-04-04 03:02:00,573 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2024-04-04 03:02:00,580 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-04-04 03:02:00,776 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 03:02:00,777 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 03:02:00,777 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 03:02:00,777 INFO  L85        PathProgramCache]: Analyzing trace with hash -1124129805, now seen corresponding path program 4 times
[2024-04-04 03:02:00,777 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 03:02:00,777 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297442347]
[2024-04-04 03:02:00,778 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 03:02:00,778 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 03:02:01,000 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 03:02:01,885 INFO  L134       CoverageAnalysis]: Checked inductivity of 2127 backedges. 1454 proven. 86 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked.
[2024-04-04 03:02:01,885 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 03:02:01,885 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297442347]
[2024-04-04 03:02:01,885 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297442347] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-04 03:02:01,885 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859747973]
[2024-04-04 03:02:01,885 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-04-04 03:02:01,885 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 03:02:01,886 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 03:02:01,886 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-04 03:02:01,888 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-04-04 03:02:02,230 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-04-04 03:02:02,230 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-04 03:02:02,235 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1428 conjuncts, 18 conjunts are in the unsatisfiable core
[2024-04-04 03:02:02,243 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-04 03:02:03,368 INFO  L134       CoverageAnalysis]: Checked inductivity of 2127 backedges. 1513 proven. 27 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked.
[2024-04-04 03:02:03,368 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-04 03:02:03,860 INFO  L134       CoverageAnalysis]: Checked inductivity of 2127 backedges. 1513 proven. 27 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked.
[2024-04-04 03:02:03,860 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [859747973] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-04 03:02:03,860 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-04 03:02:03,861 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 44
[2024-04-04 03:02:03,861 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538497110]
[2024-04-04 03:02:03,861 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-04 03:02:03,870 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 44 states
[2024-04-04 03:02:03,870 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 03:02:03,871 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants.
[2024-04-04 03:02:03,871 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1570, Unknown=0, NotChecked=0, Total=1892
[2024-04-04 03:02:03,871 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:02:03,872 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 03:02:03,872 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 44 states, 44 states have (on average 26.863636363636363) internal successors, (1182), 44 states have internal predecessors, (1182), 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)
[2024-04-04 03:02:03,872 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:02:03,872 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 03:02:03,872 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2024-04-04 03:02:03,872 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-04-04 03:02:03,872 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2024-04-04 03:02:03,872 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:02:34,071 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:02:34,071 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 03:02:34,073 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-04-04 03:02:34,073 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-04-04 03:02:34,073 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2024-04-04 03:02:34,073 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2024-04-04 03:02:34,082 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-04-04 03:02:34,277 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-04-04 03:02:34,278 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 03:02:34,278 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 03:02:34,278 INFO  L85        PathProgramCache]: Analyzing trace with hash -599270590, now seen corresponding path program 5 times
[2024-04-04 03:02:34,279 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 03:02:34,279 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900681132]
[2024-04-04 03:02:34,279 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 03:02:34,279 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 03:02:34,412 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 03:02:35,768 INFO  L134       CoverageAnalysis]: Checked inductivity of 2202 backedges. 1789 proven. 198 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked.
[2024-04-04 03:02:35,769 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 03:02:35,769 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900681132]
[2024-04-04 03:02:35,769 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900681132] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-04 03:02:35,769 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377219991]
[2024-04-04 03:02:35,769 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-04-04 03:02:35,769 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 03:02:35,769 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 03:02:35,770 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-04 03:02:35,772 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-04-04 03:02:37,186 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s)
[2024-04-04 03:02:37,186 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-04 03:02:37,196 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1712 conjuncts, 20 conjunts are in the unsatisfiable core
[2024-04-04 03:02:37,205 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-04 03:02:38,559 INFO  L134       CoverageAnalysis]: Checked inductivity of 2202 backedges. 1007 proven. 889 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked.
[2024-04-04 03:02:38,560 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-04 03:02:39,215 INFO  L134       CoverageAnalysis]: Checked inductivity of 2202 backedges. 1126 proven. 323 refuted. 0 times theorem prover too weak. 753 trivial. 0 not checked.
[2024-04-04 03:02:39,215 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [377219991] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-04 03:02:39,215 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-04 03:02:39,215 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 21, 10] total 53
[2024-04-04 03:02:39,215 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447389698]
[2024-04-04 03:02:39,216 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-04 03:02:39,217 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 53 states
[2024-04-04 03:02:39,217 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 03:02:39,219 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants.
[2024-04-04 03:02:39,220 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=2563, Unknown=0, NotChecked=0, Total=2756
[2024-04-04 03:02:39,220 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:02:39,220 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 03:02:39,221 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 53 states, 53 states have (on average 34.81132075471698) internal successors, (1845), 53 states have internal predecessors, (1845), 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)
[2024-04-04 03:02:39,221 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:02:39,221 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 03:02:39,221 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2024-04-04 03:02:39,221 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-04-04 03:02:39,222 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2024-04-04 03:02:39,222 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2024-04-04 03:02:39,222 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:03:28,526 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:03:28,526 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 03:03:28,526 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-04-04 03:03:28,526 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-04-04 03:03:28,526 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2024-04-04 03:03:28,526 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2024-04-04 03:03:28,526 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. 
[2024-04-04 03:03:28,535 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-04-04 03:03:28,734 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 03:03:28,735 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 03:03:28,735 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 03:03:28,736 INFO  L85        PathProgramCache]: Analyzing trace with hash 1731411671, now seen corresponding path program 6 times
[2024-04-04 03:03:28,736 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 03:03:28,736 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876099564]
[2024-04-04 03:03:28,736 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 03:03:28,736 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 03:03:28,814 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 03:03:30,574 INFO  L134       CoverageAnalysis]: Checked inductivity of 3432 backedges. 2699 proven. 202 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked.
[2024-04-04 03:03:30,574 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 03:03:30,574 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876099564]
[2024-04-04 03:03:30,574 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876099564] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-04 03:03:30,574 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186457959]
[2024-04-04 03:03:30,574 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-04-04 03:03:30,575 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 03:03:30,575 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 03:03:30,580 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-04 03:03:30,582 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-04-04 03:03:31,631 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s)
[2024-04-04 03:03:31,632 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-04 03:03:31,642 INFO  L262         TraceCheckSpWp]: Trace formula consists of 2029 conjuncts, 30 conjunts are in the unsatisfiable core
[2024-04-04 03:03:31,652 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-04 03:03:33,546 INFO  L134       CoverageAnalysis]: Checked inductivity of 3432 backedges. 923 proven. 2223 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked.
[2024-04-04 03:03:33,546 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-04 03:03:34,233 INFO  L134       CoverageAnalysis]: Checked inductivity of 3432 backedges. 1866 proven. 7 refuted. 0 times theorem prover too weak. 1559 trivial. 0 not checked.
[2024-04-04 03:03:34,234 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186457959] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-04 03:03:34,234 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-04 03:03:34,234 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 31, 11] total 65
[2024-04-04 03:03:34,234 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843613480]
[2024-04-04 03:03:34,234 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-04 03:03:34,237 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 65 states
[2024-04-04 03:03:34,237 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 03:03:34,253 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants.
[2024-04-04 03:03:34,254 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=3896, Unknown=0, NotChecked=0, Total=4160
[2024-04-04 03:03:34,255 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:03:34,255 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 03:03:34,256 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 65 states, 65 states have (on average 32.87692307692308) internal successors, (2137), 65 states have internal predecessors, (2137), 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)
[2024-04-04 03:03:34,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 03:03:34,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 03:03:34,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2024-04-04 03:03:34,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-04-04 03:03:34,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2024-04-04 03:03:34,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2024-04-04 03:03:34,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. 
[2024-04-04 03:03:34,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.