/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c


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


This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m
[2024-04-04 13:34:46,523 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-04-04 13:34:46,605 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2024-04-04 13:34:46,609 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-04-04 13:34:46,609 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-04-04 13:34:46,637 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-04-04 13:34:46,638 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-04-04 13:34:46,638 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-04-04 13:34:46,638 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-04-04 13:34:46,638 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-04-04 13:34:46,639 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-04-04 13:34:46,639 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-04-04 13:34:46,639 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-04-04 13:34:46,640 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-04-04 13:34:46,640 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-04-04 13:34:46,640 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-04-04 13:34:46,640 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-04-04 13:34:46,640 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-04-04 13:34:46,641 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-04-04 13:34:46,641 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-04-04 13:34:46,641 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-04-04 13:34:46,641 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-04-04 13:34:46,642 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-04-04 13:34:46,642 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-04-04 13:34:46,642 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-04-04 13:34:46,642 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-04-04 13:34:46,642 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-04-04 13:34:46,642 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2024-04-04 13:34:46,643 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-04-04 13:34:46,643 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-04 13:34:46,643 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-04-04 13:34:46,643 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-04-04 13:34:46,643 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-04-04 13:34:46,644 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-04-04 13:34:46,644 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2024-04-04 13:34:46,644 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-04-04 13:34:46,644 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-04-04 13:34:46,644 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-04-04 13:34:46,644 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-04-04 13:34:46,644 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213
[2024-04-04 13:34:46,861 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-04-04 13:34:46,878 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-04-04 13:34:46,880 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-04-04 13:34:46,881 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-04-04 13:34:46,882 INFO  L274        PluginConnector]: CDTParser initialized
[2024-04-04 13:34:46,883 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c
[2024-04-04 13:34:47,983 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-04-04 13:34:48,158 INFO  L384              CDTParser]: Found 1 translation units.
[2024-04-04 13:34:48,159 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c
[2024-04-04 13:34:48,165 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c7c2ba00a/d7e0d71a10ec455f9c44a777e6f5521a/FLAG63fce89af
[2024-04-04 13:34:48,175 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c7c2ba00a/d7e0d71a10ec455f9c44a777e6f5521a
[2024-04-04 13:34:48,177 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-04-04 13:34:48,178 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-04-04 13:34:48,179 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-04-04 13:34:48,179 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-04-04 13:34:48,182 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-04-04 13:34:48,183 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 01:34:48" (1/1) ...
[2024-04-04 13:34:48,183 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f86a668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:34:48, skipping insertion in model container
[2024-04-04 13:34:48,184 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 01:34:48" (1/1) ...
[2024-04-04 13:34:48,209 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2024-04-04 13:34:48,372 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-min-max-inc-dec.wvr.c[3271,3284]
[2024-04-04 13:34:48,380 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-04-04 13:34:48,388 INFO  L202         MainTranslator]: Completed pre-run
[2024-04-04 13:34:48,406 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-min-max-inc-dec.wvr.c[3271,3284]
[2024-04-04 13:34:48,408 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-04-04 13:34:48,414 WARN  L675               CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2024-04-04 13:34:48,415 WARN  L675               CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2024-04-04 13:34:48,420 INFO  L206         MainTranslator]: Completed translation
[2024-04-04 13:34:48,420 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:34:48 WrapperNode
[2024-04-04 13:34:48,421 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-04-04 13:34:48,421 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-04-04 13:34:48,421 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-04-04 13:34:48,422 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-04-04 13:34:48,427 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:34:48" (1/1) ...
[2024-04-04 13:34:48,433 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:34:48" (1/1) ...
[2024-04-04 13:34:48,454 INFO  L138                Inliner]: procedures = 27, calls = 75, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 178
[2024-04-04 13:34:48,454 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-04-04 13:34:48,455 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-04-04 13:34:48,455 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-04-04 13:34:48,455 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-04-04 13:34:48,461 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:34:48" (1/1) ...
[2024-04-04 13:34:48,462 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:34:48" (1/1) ...
[2024-04-04 13:34:48,464 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:34:48" (1/1) ...
[2024-04-04 13:34:48,464 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:34:48" (1/1) ...
[2024-04-04 13:34:48,470 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:34:48" (1/1) ...
[2024-04-04 13:34:48,473 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:34:48" (1/1) ...
[2024-04-04 13:34:48,474 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:34:48" (1/1) ...
[2024-04-04 13:34:48,475 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:34:48" (1/1) ...
[2024-04-04 13:34:48,479 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-04-04 13:34:48,490 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-04-04 13:34:48,490 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-04-04 13:34:48,491 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-04-04 13:34:48,491 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:34:48" (1/1) ...
[2024-04-04 13:34:48,496 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-04 13:34:48,507 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 13:34:48,521 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 13:34:48,527 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 13:34:48,562 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-04-04 13:34:48,562 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-04-04 13:34:48,562 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-04-04 13:34:48,562 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-04-04 13:34:48,562 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-04-04 13:34:48,562 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-04-04 13:34:48,563 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-04-04 13:34:48,563 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-04-04 13:34:48,563 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2024-04-04 13:34:48,563 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2024-04-04 13:34:48,564 INFO  L130     BoogieDeclarations]: Found specification of procedure thread4
[2024-04-04 13:34:48,565 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread4
[2024-04-04 13:34:48,565 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-04-04 13:34:48,566 INFO  L130     BoogieDeclarations]: Found specification of procedure thread5
[2024-04-04 13:34:48,566 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread5
[2024-04-04 13:34:48,566 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-04-04 13:34:48,566 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-04-04 13:34:48,566 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-04-04 13:34:48,566 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-04-04 13:34:48,566 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-04-04 13:34:48,566 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-04-04 13:34:48,567 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 13:34:48,727 INFO  L241             CfgBuilder]: Building ICFG
[2024-04-04 13:34:48,730 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-04-04 13:34:49,035 INFO  L282             CfgBuilder]: Performing block encoding
[2024-04-04 13:34:49,105 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-04-04 13:34:49,105 INFO  L309             CfgBuilder]: Removed 5 assume(true) statements.
[2024-04-04 13:34:49,106 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 01:34:49 BoogieIcfgContainer
[2024-04-04 13:34:49,107 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-04-04 13:34:49,108 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-04-04 13:34:49,108 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-04-04 13:34:49,111 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-04-04 13:34:49,111 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 01:34:48" (1/3) ...
[2024-04-04 13:34:49,111 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b422f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 01:34:49, skipping insertion in model container
[2024-04-04 13:34:49,111 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:34:48" (2/3) ...
[2024-04-04 13:34:49,112 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b422f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 01:34:49, skipping insertion in model container
[2024-04-04 13:34:49,112 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 01:34:49" (3/3) ...
[2024-04-04 13:34:49,113 INFO  L112   eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc-dec.wvr.c
[2024-04-04 13:34:49,120 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-04-04 13:34:49,128 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-04-04 13:34:49,128 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-04-04 13:34:49,128 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-04-04 13:34:49,206 INFO  L144    ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions.
[2024-04-04 13:34:49,249 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-04-04 13:34:49,249 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-04-04 13:34:49,249 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 13:34:49,252 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 13:34:49,254 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 13:34:49,286 INFO  L184   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-04-04 13:34:49,296 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 13:34:49,298 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-04-04 13:34:49,305 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;@8b00355, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213
[2024-04-04 13:34:49,305 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2024-04-04 13:34:51,022 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 3 more)] ===
[2024-04-04 13:34:51,025 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 13:34:51,025 INFO  L85        PathProgramCache]: Analyzing trace with hash -1352988666, now seen corresponding path program 1 times
[2024-04-04 13:34:51,034 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 13:34:51,034 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377086458]
[2024-04-04 13:34:51,034 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:34:51,035 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:34:51,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:34:51,513 INFO  L134       CoverageAnalysis]: Checked inductivity of 693 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked.
[2024-04-04 13:34:51,514 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 13:34:51,514 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377086458]
[2024-04-04 13:34:51,515 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377086458] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-04 13:34:51,515 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-04 13:34:51,515 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-04-04 13:34:51,516 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872042377]
[2024-04-04 13:34:51,516 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-04 13:34:51,527 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-04-04 13:34:51,527 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 13:34:51,826 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-04-04 13:34:51,827 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-04-04 13:34:51,828 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 13:34:51,829 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 13:34:51,830 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 80.5) internal successors, (161), 2 states have internal predecessors, (161), 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 13:34:51,830 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 13:34:52,750 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 13:34:52,750 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-04-04 13:34:52,751 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 3 more)] ===
[2024-04-04 13:34:52,751 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 13:34:52,751 INFO  L85        PathProgramCache]: Analyzing trace with hash -917695048, now seen corresponding path program 1 times
[2024-04-04 13:34:52,752 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 13:34:52,752 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190916086]
[2024-04-04 13:34:52,752 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:34:52,752 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:34:52,846 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:34:53,220 INFO  L134       CoverageAnalysis]: Checked inductivity of 693 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked.
[2024-04-04 13:34:53,220 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 13:34:53,220 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190916086]
[2024-04-04 13:34:53,221 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190916086] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-04 13:34:53,221 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-04 13:34:53,221 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-04-04 13:34:53,221 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257710041]
[2024-04-04 13:34:53,221 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-04 13:34:53,223 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-04-04 13:34:53,224 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 13:34:53,373 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-04-04 13:34:53,374 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-04-04 13:34:53,374 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 13:34:53,375 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 13:34:53,376 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 22.571428571428573) internal successors, (158), 7 states have internal predecessors, (158), 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 13:34:53,376 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 13:34:53,376 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 13:34:54,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 13:34:54,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 13:34:54,175 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-04-04 13:34:54,175 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 3 more)] ===
[2024-04-04 13:34:54,176 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 13:34:54,176 INFO  L85        PathProgramCache]: Analyzing trace with hash -159439195, now seen corresponding path program 1 times
[2024-04-04 13:34:54,176 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 13:34:54,176 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974437045]
[2024-04-04 13:34:54,176 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:34:54,176 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:34:54,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:34:54,652 INFO  L134       CoverageAnalysis]: Checked inductivity of 694 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked.
[2024-04-04 13:34:54,653 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 13:34:54,653 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974437045]
[2024-04-04 13:34:54,653 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974437045] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-04 13:34:54,653 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758663002]
[2024-04-04 13:34:54,653 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:34:54,654 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 13:34:54,654 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 13:34:54,656 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 13:34:54,687 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 13:34:54,836 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:34:54,841 INFO  L262         TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 10 conjunts are in the unsatisfiable core
[2024-04-04 13:34:54,857 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-04 13:34:55,117 INFO  L134       CoverageAnalysis]: Checked inductivity of 694 backedges. 145 proven. 1 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked.
[2024-04-04 13:34:55,117 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-04 13:34:55,326 INFO  L134       CoverageAnalysis]: Checked inductivity of 694 backedges. 145 proven. 1 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked.
[2024-04-04 13:34:55,326 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [758663002] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-04 13:34:55,326 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-04 13:34:55,326 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24
[2024-04-04 13:34:55,327 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685522956]
[2024-04-04 13:34:55,327 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-04 13:34:55,327 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-04-04 13:34:55,327 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 13:34:55,768 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-04-04 13:34:55,768 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552
[2024-04-04 13:34:55,768 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 13:34:55,768 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 13:34:55,769 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 24 states, 24 states have (on average 13.083333333333334) internal successors, (314), 24 states have internal predecessors, (314), 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 13:34:55,769 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 13:34:55,769 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 13:34:55,769 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 13:34:56,708 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 13:34:56,708 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 13:34:56,709 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-04-04 13:34:56,717 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 13:34:56,914 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 13:34:56,915 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 3 more)] ===
[2024-04-04 13:34:56,915 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 13:34:56,915 INFO  L85        PathProgramCache]: Analyzing trace with hash 1543240338, now seen corresponding path program 2 times
[2024-04-04 13:34:56,915 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 13:34:56,916 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203267538]
[2024-04-04 13:34:56,916 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:34:56,916 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:34:57,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:34:57,454 INFO  L134       CoverageAnalysis]: Checked inductivity of 703 backedges. 237 proven. 15 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked.
[2024-04-04 13:34:57,458 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 13:34:57,458 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203267538]
[2024-04-04 13:34:57,458 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203267538] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-04 13:34:57,459 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121598622]
[2024-04-04 13:34:57,459 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-04-04 13:34:57,459 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 13:34:57,459 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 13:34:57,460 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 13:34:57,487 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 13:34:57,600 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-04-04 13:34:57,600 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-04 13:34:57,602 INFO  L262         TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 18 conjunts are in the unsatisfiable core
[2024-04-04 13:34:57,611 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-04 13:34:57,817 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-04-04 13:34:57,822 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11
[2024-04-04 13:34:57,848 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7
[2024-04-04 13:34:58,164 INFO  L134       CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked.
[2024-04-04 13:34:58,165 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-04-04 13:34:58,165 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121598622] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-04 13:34:58,165 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-04-04 13:34:58,165 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15] total 28
[2024-04-04 13:34:58,165 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57700620]
[2024-04-04 13:34:58,165 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-04 13:34:58,166 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-04-04 13:34:58,166 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 13:34:58,330 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 51
[2024-04-04 13:34:58,337 INFO  L349             Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2024-04-04 13:34:58,337 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26
[2024-04-04 13:34:58,377 INFO  L85        PathProgramCache]: Analyzing trace with hash 1713280109, now seen corresponding path program 1 times
[2024-04-04 13:34:58,378 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:34:58,379 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:34:58,406 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:34:58,672 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-04-04 13:34:58,672 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:34:58,672 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:34:58,706 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:34:58,889 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-04-04 13:34:58,979 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 51
[2024-04-04 13:34:58,985 INFO  L349             Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2024-04-04 13:34:58,985 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26
[2024-04-04 13:34:59,015 INFO  L85        PathProgramCache]: Analyzing trace with hash 1489729392, now seen corresponding path program 2 times
[2024-04-04 13:34:59,015 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:34:59,016 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:34:59,037 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:34:59,299 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-04-04 13:34:59,300 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:34:59,300 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:34:59,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:34:59,486 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-04-04 13:34:59,540 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47
[2024-04-04 13:34:59,546 INFO  L349             Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2024-04-04 13:34:59,549 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 32
[2024-04-04 13:34:59,671 INFO  L85        PathProgramCache]: Analyzing trace with hash -1887722188, now seen corresponding path program 3 times
[2024-04-04 13:34:59,671 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:34:59,671 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:34:59,726 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:35:00,122 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-04-04 13:35:00,122 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:35:00,123 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:35:00,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:35:00,319 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-04-04 13:35:00,407 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 75
[2024-04-04 13:35:00,413 INFO  L349             Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2024-04-04 13:35:00,413 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 43
[2024-04-04 13:35:02,512 INFO  L85        PathProgramCache]: Analyzing trace with hash 1610154910, now seen corresponding path program 4 times
[2024-04-04 13:35:02,513 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:35:02,513 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:35:02,535 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:35:02,795 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-04-04 13:35:02,795 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:35:02,796 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:35:02,815 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:35:03,049 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-04-04 13:35:03,141 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 51
[2024-04-04 13:35:03,146 INFO  L349             Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2024-04-04 13:35:03,146 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26
[2024-04-04 13:35:03,167 INFO  L85        PathProgramCache]: Analyzing trace with hash -276128565, now seen corresponding path program 5 times
[2024-04-04 13:35:03,167 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:35:03,168 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:35:03,200 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:35:03,454 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-04-04 13:35:03,455 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:35:03,455 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:35:03,482 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:35:03,716 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-04-04 13:35:03,816 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 51
[2024-04-04 13:35:03,822 INFO  L349             Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2024-04-04 13:35:03,823 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26
[2024-04-04 13:35:03,851 INFO  L85        PathProgramCache]: Analyzing trace with hash 29949691, now seen corresponding path program 6 times
[2024-04-04 13:35:03,851 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:35:03,852 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:35:03,875 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:35:04,071 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-04-04 13:35:04,071 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:35:04,071 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:35:04,095 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:35:04,282 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-04-04 13:35:04,398 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 73
[2024-04-04 13:35:04,404 INFO  L349             Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2024-04-04 13:35:04,404 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 41
[2024-04-04 13:35:04,456 INFO  L85        PathProgramCache]: Analyzing trace with hash -393268237, now seen corresponding path program 7 times
[2024-04-04 13:35:04,457 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:35:04,457 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:35:04,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:35:06,951 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-04 13:35:06,951 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:35:06,951 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:35:06,981 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:35:07,534 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-04 13:35:07,646 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 88
[2024-04-04 13:35:07,653 INFO  L349             Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2024-04-04 13:35:07,653 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 55
[2024-04-04 13:35:07,684 INFO  L85        PathProgramCache]: Analyzing trace with hash 924075417, now seen corresponding path program 1 times
[2024-04-04 13:35:07,684 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:35:07,685 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:35:07,720 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:35:07,920 INFO  L134       CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-04-04 13:35:07,920 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 13:35:07,920 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 13:35:07,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 13:35:08,208 INFO  L134       CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-04-04 13:35:08,219 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-04-04 13:35:08,221 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=7035, Unknown=0, NotChecked=0, Total=7310
[2024-04-04 13:35:08,221 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 13:35:08,221 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 13:35:08,221 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 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 13:35:08,221 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 13:35:08,221 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 13:35:08,221 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2024-04-04 13:35:08,221 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.