/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.number.of.independence.relations.to.use.for.por 2 --traceabstraction.abstraction.used.for.commutativity.in.por VARIABLES_GLOBAL '--traceabstraction.abstraction.used.for.commutativity.in.por.#2' NONE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-chromosome-trans.wvr.c


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


This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m
[2023-09-07 16:12:11,140 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-09-07 16:12:11,196 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2023-09-07 16:12:11,200 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-09-07 16:12:11,201 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-09-07 16:12:11,201 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2023-09-07 16:12:11,223 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-09-07 16:12:11,224 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-09-07 16:12:11,224 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-09-07 16:12:11,227 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-09-07 16:12:11,227 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-09-07 16:12:11,227 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-09-07 16:12:11,228 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-09-07 16:12:11,229 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-09-07 16:12:11,229 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-09-07 16:12:11,229 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-09-07 16:12:11,229 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-09-07 16:12:11,229 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-09-07 16:12:11,229 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-09-07 16:12:11,229 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-09-07 16:12:11,230 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-09-07 16:12:11,230 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-09-07 16:12:11,230 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-09-07 16:12:11,230 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-09-07 16:12:11,230 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-09-07 16:12:11,230 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-09-07 16:12:11,231 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-09-07 16:12:11,231 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-09-07 16:12:11,231 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2023-09-07 16:12:11,231 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-09-07 16:12:11,232 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-09-07 16:12:11,232 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-09-07 16:12:11,232 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-09-07 16:12:11,232 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-09-07 16:12:11,232 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-09-07 16:12:11,233 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-09-07 16:12:11,233 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-09-07 16:12:11,233 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-09-07 16:12:11,233 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-09-07 16:12:11,233 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2023-09-07 16:12:11,233 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/UAutomizer-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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Number of independence relations to use for POR -> 2
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstraction used for commutativity in POR -> VARIABLES_GLOBAL
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstraction used for commutativity in POR #2 -> NONE
[2023-09-07 16:12:11,437 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-09-07 16:12:11,453 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-09-07 16:12:11,455 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-09-07 16:12:11,456 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-09-07 16:12:11,456 INFO  L274        PluginConnector]: CDTParser initialized
[2023-09-07 16:12:11,457 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-trans.wvr.c
[2023-09-07 16:12:12,436 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-09-07 16:12:12,641 INFO  L384              CDTParser]: Found 1 translation units.
[2023-09-07 16:12:12,641 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-trans.wvr.c
[2023-09-07 16:12:12,650 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edd357e65/3a4ccc226b554123b161d721b9516d8d/FLAGe9bc748a2
[2023-09-07 16:12:12,666 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edd357e65/3a4ccc226b554123b161d721b9516d8d
[2023-09-07 16:12:12,668 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-09-07 16:12:12,668 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-09-07 16:12:12,669 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-09-07 16:12:12,669 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-09-07 16:12:12,672 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-09-07 16:12:12,673 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 04:12:12" (1/1) ...
[2023-09-07 16:12:12,673 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@548e17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:12:12, skipping insertion in model container
[2023-09-07 16:12:12,673 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 04:12:12" (1/1) ...
[2023-09-07 16:12:12,696 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-09-07 16:12:12,816 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/chl-chromosome-trans.wvr.c[3034,3047]
[2023-09-07 16:12:12,822 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-09-07 16:12:12,829 INFO  L202         MainTranslator]: Completed pre-run
[2023-09-07 16:12:12,859 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/chl-chromosome-trans.wvr.c[3034,3047]
[2023-09-07 16:12:12,862 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-09-07 16:12:12,874 INFO  L206         MainTranslator]: Completed translation
[2023-09-07 16:12:12,874 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:12:12 WrapperNode
[2023-09-07 16:12:12,874 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-09-07 16:12:12,875 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-09-07 16:12:12,875 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-09-07 16:12:12,875 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-09-07 16:12:12,879 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:12:12" (1/1) ...
[2023-09-07 16:12:12,884 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:12:12" (1/1) ...
[2023-09-07 16:12:12,904 INFO  L138                Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 16, calls inlined = 24, statements flattened = 280
[2023-09-07 16:12:12,904 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-09-07 16:12:12,905 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-09-07 16:12:12,905 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-09-07 16:12:12,905 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-09-07 16:12:12,914 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:12:12" (1/1) ...
[2023-09-07 16:12:12,914 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:12:12" (1/1) ...
[2023-09-07 16:12:12,916 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:12:12" (1/1) ...
[2023-09-07 16:12:12,917 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:12:12" (1/1) ...
[2023-09-07 16:12:12,922 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:12:12" (1/1) ...
[2023-09-07 16:12:12,925 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:12:12" (1/1) ...
[2023-09-07 16:12:12,926 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:12:12" (1/1) ...
[2023-09-07 16:12:12,927 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:12:12" (1/1) ...
[2023-09-07 16:12:12,929 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-09-07 16:12:12,930 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-09-07 16:12:12,930 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-09-07 16:12:12,930 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-09-07 16:12:12,931 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:12:12" (1/1) ...
[2023-09-07 16:12:12,937 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-09-07 16:12:12,945 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 16:12:12,961 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-09-07 16:12:12,970 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-09-07 16:12:12,987 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-09-07 16:12:12,988 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-09-07 16:12:12,988 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-09-07 16:12:12,988 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-09-07 16:12:12,988 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2023-09-07 16:12:12,988 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2023-09-07 16:12:12,988 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2023-09-07 16:12:12,988 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2023-09-07 16:12:12,988 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2023-09-07 16:12:12,988 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2023-09-07 16:12:12,988 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-09-07 16:12:12,989 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-09-07 16:12:12,989 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-09-07 16:12:12,989 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-09-07 16:12:12,989 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-09-07 16:12:12,990 WARN  L210             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-09-07 16:12:13,067 INFO  L236             CfgBuilder]: Building ICFG
[2023-09-07 16:12:13,068 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-09-07 16:12:13,320 INFO  L277             CfgBuilder]: Performing block encoding
[2023-09-07 16:12:13,327 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-09-07 16:12:13,327 INFO  L302             CfgBuilder]: Removed 6 assume(true) statements.
[2023-09-07 16:12:13,329 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 04:12:13 BoogieIcfgContainer
[2023-09-07 16:12:13,329 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-09-07 16:12:13,330 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-09-07 16:12:13,330 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-09-07 16:12:13,337 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-09-07 16:12:13,337 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 04:12:12" (1/3) ...
[2023-09-07 16:12:13,338 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ed5125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 04:12:13, skipping insertion in model container
[2023-09-07 16:12:13,338 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:12:12" (2/3) ...
[2023-09-07 16:12:13,338 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ed5125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 04:12:13, skipping insertion in model container
[2023-09-07 16:12:13,339 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 04:12:13" (3/3) ...
[2023-09-07 16:12:13,340 INFO  L112   eAbstractionObserver]: Analyzing ICFG chl-chromosome-trans.wvr.c
[2023-09-07 16:12:13,345 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-09-07 16:12:13,351 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-09-07 16:12:13,351 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-09-07 16:12:13,351 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-09-07 16:12:13,460 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2023-09-07 16:12:13,501 INFO  L103   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-07 16:12:13,502 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-09-07 16:12:13,502 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 16:12:13,505 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2023-09-07 16:12:13,516 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2023-09-07 16:12:13,537 INFO  L103   denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-07 16:12:13,542 INFO  L166   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations.
[2023-09-07 16:12:13,543 WARN  L169   artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound!
[2023-09-07 16:12:13,543 WARN  L170   artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound.
[2023-09-07 16:12:13,547 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ========
[2023-09-07 16:12:13,551 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=LoopsAndPotentialCycles, 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;@2d800ff8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-07 16:12:13,551 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-09-07 16:12:23,997 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 16:12:24,001 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 16:12:24,002 INFO  L85        PathProgramCache]: Analyzing trace with hash 71317648, now seen corresponding path program 1 times
[2023-09-07 16:12:24,008 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 16:12:24,011 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724995227]
[2023-09-07 16:12:24,011 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 16:12:24,012 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 16:12:24,161 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 16:12:24,327 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-07 16:12:24,327 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 16:12:24,327 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724995227]
[2023-09-07 16:12:24,328 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724995227] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 16:12:24,328 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 16:12:24,328 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-09-07 16:12:24,329 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125805157]
[2023-09-07 16:12:24,329 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 16:12:24,333 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-09-07 16:12:24,333 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 16:12:24,348 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-09-07 16:12:24,349 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-09-07 16:12:24,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:24,351 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 16:12:24,352 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 87.5) internal successors, (175), 2 states have internal predecessors, (175), 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)
[2023-09-07 16:12:24,352 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:30,178 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:30,179 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-09-07 16:12:30,179 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 16:12:30,179 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 16:12:30,180 INFO  L85        PathProgramCache]: Analyzing trace with hash 96937368, now seen corresponding path program 1 times
[2023-09-07 16:12:30,180 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 16:12:30,180 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796116643]
[2023-09-07 16:12:30,180 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 16:12:30,180 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 16:12:30,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 16:12:30,384 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-07 16:12:30,385 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 16:12:30,385 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796116643]
[2023-09-07 16:12:30,385 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796116643] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 16:12:30,385 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 16:12:30,385 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-09-07 16:12:30,385 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743352322]
[2023-09-07 16:12:30,385 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 16:12:30,386 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-09-07 16:12:30,386 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 16:12:30,387 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-09-07 16:12:30,387 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-09-07 16:12:30,387 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:30,389 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 16:12:30,389 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 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)
[2023-09-07 16:12:30,389 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:30,389 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:36,244 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:36,245 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-09-07 16:12:36,246 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-09-07 16:12:36,246 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 16:12:36,247 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 16:12:36,247 INFO  L85        PathProgramCache]: Analyzing trace with hash 1189147649, now seen corresponding path program 1 times
[2023-09-07 16:12:36,247 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 16:12:36,247 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722907550]
[2023-09-07 16:12:36,248 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 16:12:36,248 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 16:12:36,300 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 16:12:36,535 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-09-07 16:12:36,536 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 16:12:36,536 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722907550]
[2023-09-07 16:12:36,536 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722907550] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-07 16:12:36,536 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286721225]
[2023-09-07 16:12:36,536 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 16:12:36,536 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 16:12:36,536 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 16:12:36,578 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-07 16:12:36,579 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-09-07 16:12:36,695 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 16:12:36,697 INFO  L262         TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-09-07 16:12:36,702 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-07 16:12:36,789 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-09-07 16:12:36,789 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-07 16:12:36,848 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-09-07 16:12:36,849 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286721225] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-07 16:12:36,849 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-07 16:12:36,849 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15
[2023-09-07 16:12:36,849 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625188509]
[2023-09-07 16:12:36,849 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-07 16:12:36,850 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-09-07 16:12:36,850 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 16:12:36,851 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-09-07 16:12:36,851 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210
[2023-09-07 16:12:36,851 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:36,851 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 16:12:36,852 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 15 states have (on average 15.0) internal successors, (225), 15 states have internal predecessors, (225), 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)
[2023-09-07 16:12:36,852 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:36,852 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2023-09-07 16:12:36,852 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:43,367 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:43,367 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-09-07 16:12:43,367 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-09-07 16:12:43,376 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2023-09-07 16:12:43,577 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2023-09-07 16:12:43,578 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 16:12:43,579 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 16:12:43,581 INFO  L85        PathProgramCache]: Analyzing trace with hash 9920979, now seen corresponding path program 2 times
[2023-09-07 16:12:43,582 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 16:12:43,582 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260243088]
[2023-09-07 16:12:43,582 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 16:12:43,582 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 16:12:43,630 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 16:12:43,867 INFO  L134       CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2023-09-07 16:12:43,868 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 16:12:43,868 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260243088]
[2023-09-07 16:12:43,869 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260243088] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-07 16:12:43,869 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657714738]
[2023-09-07 16:12:43,869 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-09-07 16:12:43,873 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 16:12:43,873 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 16:12:43,889 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-07 16:12:43,940 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-09-07 16:12:44,035 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-09-07 16:12:44,035 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-07 16:12:44,037 INFO  L262         TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 9 conjunts are in the unsatisfiable core
[2023-09-07 16:12:44,049 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-07 16:12:44,120 INFO  L134       CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked.
[2023-09-07 16:12:44,120 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-09-07 16:12:44,120 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657714738] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 16:12:44,120 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-09-07 16:12:44,120 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16
[2023-09-07 16:12:44,121 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72400720]
[2023-09-07 16:12:44,121 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 16:12:44,121 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-09-07 16:12:44,121 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 16:12:44,122 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-09-07 16:12:44,123 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240
[2023-09-07 16:12:44,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:44,123 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 16:12:44,123 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 27.0) internal successors, (189), 7 states have internal predecessors, (189), 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)
[2023-09-07 16:12:44,123 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:44,123 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2023-09-07 16:12:44,123 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2023-09-07 16:12:44,123 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:49,900 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:49,901 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-09-07 16:12:49,901 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-09-07 16:12:49,901 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 16:12:49,906 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2023-09-07 16:12:50,106 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 16:12:50,106 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 16:12:50,106 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 16:12:50,107 INFO  L85        PathProgramCache]: Analyzing trace with hash 523764811, now seen corresponding path program 1 times
[2023-09-07 16:12:50,107 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 16:12:50,107 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923875600]
[2023-09-07 16:12:50,107 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 16:12:50,107 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 16:12:50,140 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 16:12:50,381 INFO  L134       CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked.
[2023-09-07 16:12:50,381 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 16:12:50,381 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923875600]
[2023-09-07 16:12:50,381 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923875600] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-07 16:12:50,381 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038507845]
[2023-09-07 16:12:50,381 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 16:12:50,381 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 16:12:50,381 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 16:12:50,382 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-07 16:12:50,384 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-09-07 16:12:50,515 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 16:12:50,517 INFO  L262         TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-09-07 16:12:50,520 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-07 16:12:50,674 INFO  L134       CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked.
[2023-09-07 16:12:50,675 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-07 16:12:50,790 INFO  L134       CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked.
[2023-09-07 16:12:50,790 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038507845] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-07 16:12:50,790 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-07 16:12:50,790 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22
[2023-09-07 16:12:50,790 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809475756]
[2023-09-07 16:12:50,791 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-07 16:12:50,791 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2023-09-07 16:12:50,791 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 16:12:50,793 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2023-09-07 16:12:50,793 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462
[2023-09-07 16:12:50,793 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:50,796 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 16:12:50,796 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 22 states, 22 states have (on average 12.909090909090908) internal successors, (284), 22 states have internal predecessors, (284), 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)
[2023-09-07 16:12:50,796 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:50,796 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2023-09-07 16:12:50,796 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2023-09-07 16:12:50,796 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 16:12:50,797 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:57,467 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:57,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-09-07 16:12:57,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-09-07 16:12:57,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 16:12:57,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2023-09-07 16:12:57,473 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-09-07 16:12:57,673 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 16:12:57,674 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 16:12:57,674 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 16:12:57,674 INFO  L85        PathProgramCache]: Analyzing trace with hash 1017616185, now seen corresponding path program 2 times
[2023-09-07 16:12:57,674 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 16:12:57,675 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667408302]
[2023-09-07 16:12:57,675 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 16:12:57,675 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 16:12:57,836 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 16:12:58,100 INFO  L134       CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked.
[2023-09-07 16:12:58,101 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 16:12:58,101 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667408302]
[2023-09-07 16:12:58,102 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667408302] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 16:12:58,102 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 16:12:58,102 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2023-09-07 16:12:58,102 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833303401]
[2023-09-07 16:12:58,102 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 16:12:58,102 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-09-07 16:12:58,102 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 16:12:58,103 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-09-07 16:12:58,103 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2023-09-07 16:12:58,103 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:58,103 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 16:12:58,104 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 27.0) internal successors, (216), 8 states have internal predecessors, (216), 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)
[2023-09-07 16:12:58,104 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:12:58,104 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2023-09-07 16:12:58,104 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2023-09-07 16:12:58,104 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 16:12:58,104 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2023-09-07 16:12:58,104 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:13:08,477 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:13:08,477 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-09-07 16:13:08,477 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-09-07 16:13:08,477 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 16:13:08,477 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2023-09-07 16:13:08,477 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 16:13:08,477 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-09-07 16:13:08,478 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 16:13:08,478 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 16:13:08,478 INFO  L85        PathProgramCache]: Analyzing trace with hash -1420056877, now seen corresponding path program 1 times
[2023-09-07 16:13:08,478 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 16:13:08,478 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241780229]
[2023-09-07 16:13:08,481 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 16:13:08,482 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 16:13:08,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 16:13:08,905 INFO  L134       CoverageAnalysis]: Checked inductivity of 257 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked.
[2023-09-07 16:13:08,905 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 16:13:08,905 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241780229]
[2023-09-07 16:13:08,906 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241780229] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 16:13:08,906 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 16:13:08,906 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-09-07 16:13:08,906 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90758826]
[2023-09-07 16:13:08,906 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 16:13:08,906 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-09-07 16:13:08,906 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 16:13:08,907 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-09-07 16:13:08,907 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2023-09-07 16:13:08,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:13:08,908 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 16:13:08,908 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 34.714285714285715) internal successors, (243), 7 states have internal predecessors, (243), 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)
[2023-09-07 16:13:08,908 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:13:08,908 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2023-09-07 16:13:08,908 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2023-09-07 16:13:08,908 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 16:13:08,908 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2023-09-07 16:13:08,908 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 16:13:08,909 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:13:26,713 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:13:26,713 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-09-07 16:13:26,713 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-09-07 16:13:26,713 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 16:13:26,713 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2023-09-07 16:13:26,713 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 16:13:26,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-09-07 16:13:26,714 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-09-07 16:13:26,714 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 16:13:26,714 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 16:13:26,714 INFO  L85        PathProgramCache]: Analyzing trace with hash -1150130108, now seen corresponding path program 1 times
[2023-09-07 16:13:26,714 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 16:13:26,714 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735933165]
[2023-09-07 16:13:26,715 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 16:13:26,715 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 16:13:26,858 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 16:13:30,870 INFO  L134       CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked.
[2023-09-07 16:13:30,870 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 16:13:30,870 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735933165]
[2023-09-07 16:13:30,870 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735933165] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-07 16:13:30,870 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906034885]
[2023-09-07 16:13:30,870 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 16:13:30,870 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 16:13:30,871 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 16:13:30,884 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-07 16:13:30,900 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-09-07 16:13:31,072 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 16:13:31,076 INFO  L262         TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 78 conjunts are in the unsatisfiable core
[2023-09-07 16:13:31,081 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-07 16:13:33,292 INFO  L322             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-09-07 16:13:33,293 INFO  L351             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 53
[2023-09-07 16:13:33,652 INFO  L134       CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked.
[2023-09-07 16:13:33,652 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-07 16:13:36,583 INFO  L322             Elim1Store]: treesize reduction 32, result has 73.6 percent of original size
[2023-09-07 16:13:36,583 INFO  L351             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 102
[2023-09-07 16:13:36,754 INFO  L134       CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked.
[2023-09-07 16:13:36,754 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [906034885] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-07 16:13:36,754 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-07 16:13:36,754 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 48, 37] total 126
[2023-09-07 16:13:36,754 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90805109]
[2023-09-07 16:13:36,755 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-07 16:13:36,755 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 126 states
[2023-09-07 16:13:36,755 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 16:13:36,757 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants.
[2023-09-07 16:13:36,760 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=594, Invalid=15156, Unknown=0, NotChecked=0, Total=15750
[2023-09-07 16:13:36,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:13:36,761 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 16:13:36,762 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 126 states, 126 states have (on average 5.436507936507937) internal successors, (685), 126 states have internal predecessors, (685), 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)
[2023-09-07 16:13:36,762 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 16:13:36,762 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2023-09-07 16:13:36,762 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2023-09-07 16:13:36,762 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 16:13:36,762 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2023-09-07 16:13:36,762 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 16:13:36,762 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2023-09-07 16:13:36,762 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.