/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c


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


This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-18 20:43:13,138 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-02-18 20:43:13,140 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-18 20:43:13,205 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-18 20:43:13,206 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-18 20:43:13,209 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-18 20:43:13,211 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-18 20:43:13,213 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-18 20:43:13,215 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-18 20:43:13,219 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-18 20:43:13,220 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-02-18 20:43:13,221 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-18 20:43:13,221 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-18 20:43:13,224 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-18 20:43:13,225 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-18 20:43:13,228 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-18 20:43:13,229 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-18 20:43:13,230 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-18 20:43:13,232 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-18 20:43:13,236 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-18 20:43:13,237 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-18 20:43:13,239 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-18 20:43:13,240 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-02-18 20:43:13,241 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-18 20:43:13,245 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-18 20:43:13,245 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-18 20:43:13,245 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-18 20:43:13,246 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-18 20:43:13,246 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-18 20:43:13,247 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-18 20:43:13,247 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-18 20:43:13,247 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-18 20:43:13,248 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-18 20:43:13,248 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-18 20:43:13,249 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-18 20:43:13,249 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-18 20:43:13,250 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-18 20:43:13,250 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-18 20:43:13,250 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-18 20:43:13,251 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-18 20:43:13,256 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-02-18 20:43:13,256 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf
[2022-02-18 20:43:13,278 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-02-18 20:43:13,278 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-18 20:43:13,279 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-18 20:43:13,279 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-18 20:43:13,281 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-18 20:43:13,281 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-18 20:43:13,282 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-18 20:43:13,282 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-02-18 20:43:13,282 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-02-18 20:43:13,282 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-18 20:43:13,283 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-02-18 20:43:13,283 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-02-18 20:43:13,283 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-02-18 20:43:13,283 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-02-18 20:43:13,283 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-02-18 20:43:13,283 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-18 20:43:13,283 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-02-18 20:43:13,283 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-02-18 20:43:13,283 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-02-18 20:43:13,284 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-02-18 20:43:13,284 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-02-18 20:43:13,284 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-18 20:43:13,284 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-02-18 20:43:13,284 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-02-18 20:43:13,285 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-02-18 20:43:13,285 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-18 20:43:13,285 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-18 20:43:13,285 INFO  L138        SettingsManager]:  * Construct finite automaton lazily=true
[2022-02-18 20:43:13,286 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-02-18 20:43:13,286 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-18 20:43:13,286 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-02-18 20:43:13,286 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-18 20:43:13,286 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-02-18 20:43:13,286 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-18 20:43:13,286 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-18 20:43:13,286 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-02-18 20:43:13,286 INFO  L138        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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-18 20:43:13,489 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-18 20:43:13,516 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-18 20:43:13,518 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-18 20:43:13,519 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-02-18 20:43:13,524 INFO  L275        PluginConnector]: CDTParser initialized
[2022-02-18 20:43:13,525 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c
[2022-02-18 20:43:13,588 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df0891a06/fc502d5fa1ab4d65981bfb6974be3e48/FLAG88dbdf1f1
[2022-02-18 20:43:13,912 INFO  L306              CDTParser]: Found 1 translation units.
[2022-02-18 20:43:13,912 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c
[2022-02-18 20:43:13,918 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df0891a06/fc502d5fa1ab4d65981bfb6974be3e48/FLAG88dbdf1f1
[2022-02-18 20:43:14,333 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df0891a06/fc502d5fa1ab4d65981bfb6974be3e48
[2022-02-18 20:43:14,335 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-18 20:43:14,336 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-18 20:43:14,342 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-18 20:43:14,342 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-18 20:43:14,345 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-18 20:43:14,345 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 08:43:14" (1/1) ...
[2022-02-18 20:43:14,346 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df386b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:43:14, skipping insertion in model container
[2022-02-18 20:43:14,353 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 08:43:14" (1/1) ...
[2022-02-18 20:43:14,358 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-02-18 20:43:14,374 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-02-18 20:43:14,515 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c[3615,3628]
[2022-02-18 20:43:14,520 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-18 20:43:14,525 INFO  L203         MainTranslator]: Completed pre-run
[2022-02-18 20:43:14,542 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c[3615,3628]
[2022-02-18 20:43:14,545 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-18 20:43:14,553 INFO  L208         MainTranslator]: Completed translation
[2022-02-18 20:43:14,554 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:43:14 WrapperNode
[2022-02-18 20:43:14,554 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-18 20:43:14,555 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-18 20:43:14,555 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-18 20:43:14,555 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-18 20:43:14,559 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:43:14" (1/1) ...
[2022-02-18 20:43:14,565 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:43:14" (1/1) ...
[2022-02-18 20:43:14,584 INFO  L137                Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 257
[2022-02-18 20:43:14,584 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-18 20:43:14,585 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-18 20:43:14,585 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-18 20:43:14,585 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-02-18 20:43:14,591 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:43:14" (1/1) ...
[2022-02-18 20:43:14,591 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:43:14" (1/1) ...
[2022-02-18 20:43:14,594 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:43:14" (1/1) ...
[2022-02-18 20:43:14,594 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:43:14" (1/1) ...
[2022-02-18 20:43:14,607 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:43:14" (1/1) ...
[2022-02-18 20:43:14,611 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:43:14" (1/1) ...
[2022-02-18 20:43:14,612 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:43:14" (1/1) ...
[2022-02-18 20:43:14,624 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-18 20:43:14,625 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-18 20:43:14,625 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-02-18 20:43:14,625 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-02-18 20:43:14,626 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:43:14" (1/1) ...
[2022-02-18 20:43:14,632 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-18 20:43:14,641 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:43:14,649 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)
[2022-02-18 20:43:14,660 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
[2022-02-18 20:43:14,681 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-18 20:43:14,681 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-18 20:43:14,681 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-02-18 20:43:14,681 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-02-18 20:43:14,681 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-02-18 20:43:14,681 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-18 20:43:14,681 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-02-18 20:43:14,681 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-18 20:43:14,681 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2022-02-18 20:43:14,681 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2022-02-18 20:43:14,681 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-18 20:43:14,682 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-02-18 20:43:14,682 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-02-18 20:43:14,682 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-02-18 20:43:14,682 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-18 20:43:14,682 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-18 20:43:14,682 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-18 20:43:14,683 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-18 20:43:14,741 INFO  L234             CfgBuilder]: Building ICFG
[2022-02-18 20:43:14,742 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-18 20:43:15,063 INFO  L275             CfgBuilder]: Performing block encoding
[2022-02-18 20:43:15,154 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-18 20:43:15,154 INFO  L299             CfgBuilder]: Removed 5 assume(true) statements.
[2022-02-18 20:43:15,156 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:43:15 BoogieIcfgContainer
[2022-02-18 20:43:15,156 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-18 20:43:15,157 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-18 20:43:15,157 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-02-18 20:43:15,161 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-02-18 20:43:15,161 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 08:43:14" (1/3) ...
[2022-02-18 20:43:15,162 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38333920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 08:43:15, skipping insertion in model container
[2022-02-18 20:43:15,162 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:43:14" (2/3) ...
[2022-02-18 20:43:15,162 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38333920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 08:43:15, skipping insertion in model container
[2022-02-18 20:43:15,162 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:43:15" (3/3) ...
[2022-02-18 20:43:15,163 INFO  L111   eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-3-nl.wvr.c
[2022-02-18 20:43:15,166 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-18 20:43:15,166 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-18 20:43:15,166 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-18 20:43:15,166 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-18 20:43:15,223 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,224 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,224 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,224 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,224 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,225 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,225 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,225 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,225 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,225 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,227 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,227 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,228 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,228 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,228 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,229 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,229 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,229 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,229 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,230 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,230 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,230 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,233 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,233 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,233 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,233 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,233 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,233 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,234 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,234 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,234 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,234 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,234 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,234 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,235 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,235 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,235 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,235 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,236 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,236 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,236 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,236 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,237 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,237 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,237 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,237 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,237 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,237 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,238 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,238 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,238 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,238 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,239 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,239 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,239 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,239 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,240 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,240 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,240 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,240 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,240 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,240 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,243 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,243 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,243 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,243 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,243 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,244 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,245 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,245 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,245 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,245 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,245 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,245 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,245 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,245 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,246 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,246 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,246 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,246 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,247 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,247 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,248 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,248 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,250 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,253 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,253 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,253 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,253 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,253 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,256 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,256 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,256 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,256 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,256 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,256 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,256 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,256 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,257 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,257 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,257 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,257 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,257 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,258 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,258 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,258 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,258 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,258 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,258 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,258 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,259 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,259 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,259 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,259 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,259 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,259 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:43:15,262 INFO  L148    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2022-02-18 20:43:15,304 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-18 20:43:15,304 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:43:15,305 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)
[2022-02-18 20:43:15,306 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
[2022-02-18 20:43:15,324 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-18 20:43:15,328 INFO  L339      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, mLazyFiniteAutomaton=true, 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, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true
[2022-02-18 20:43:15,328 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-02-18 20:43:15,394 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:43:15,397 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:43:15,397 INFO  L85        PathProgramCache]: Analyzing trace with hash 1247185842, now seen corresponding path program 1 times
[2022-02-18 20:43:15,403 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:43:15,403 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110632336]
[2022-02-18 20:43:15,404 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:43:15,404 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:43:15,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:43:15,588 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:43:15,589 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:43:15,589 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110632336]
[2022-02-18 20:43:15,590 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110632336] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 20:43:15,590 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 20:43:15,590 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-18 20:43:15,591 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669817919]
[2022-02-18 20:43:15,592 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 20:43:15,597 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-02-18 20:43:15,597 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:43:15,614 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-02-18 20:43:15,615 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-02-18 20:43:15,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:15,617 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:43:15,618 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 82.5) internal successors, (165), 2 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)
[2022-02-18 20:43:15,619 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:15,688 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:15,688 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-18 20:43:15,689 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:43:15,689 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:43:15,689 INFO  L85        PathProgramCache]: Analyzing trace with hash 461426383, now seen corresponding path program 1 times
[2022-02-18 20:43:15,689 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:43:15,689 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347181410]
[2022-02-18 20:43:15,690 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:43:15,690 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:43:15,798 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:43:15,929 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:43:15,930 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:43:15,930 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347181410]
[2022-02-18 20:43:15,930 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347181410] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 20:43:15,930 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 20:43:15,930 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-18 20:43:15,931 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086691449]
[2022-02-18 20:43:15,931 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 20:43:15,939 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-18 20:43:15,940 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:43:15,940 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-18 20:43:15,940 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-02-18 20:43:15,940 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:15,940 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:43:15,941 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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)
[2022-02-18 20:43:15,941 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:15,941 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:16,255 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:16,255 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:16,256 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-18 20:43:16,256 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:43:16,256 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:43:16,257 INFO  L85        PathProgramCache]: Analyzing trace with hash -1582218856, now seen corresponding path program 1 times
[2022-02-18 20:43:16,257 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:43:16,257 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938143335]
[2022-02-18 20:43:16,257 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:43:16,257 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:43:16,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:43:16,428 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:43:16,428 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:43:16,428 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938143335]
[2022-02-18 20:43:16,429 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938143335] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 20:43:16,429 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 20:43:16,429 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-18 20:43:16,429 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008136736]
[2022-02-18 20:43:16,429 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 20:43:16,429 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-18 20:43:16,429 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:43:16,430 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-18 20:43:16,430 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-02-18 20:43:16,430 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:16,430 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:43:16,430 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 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)
[2022-02-18 20:43:16,430 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:16,430 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:16,430 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:16,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:16,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:16,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:43:16,692 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-18 20:43:16,692 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:43:16,692 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:43:16,693 INFO  L85        PathProgramCache]: Analyzing trace with hash 1304091911, now seen corresponding path program 1 times
[2022-02-18 20:43:16,693 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:43:16,693 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122084901]
[2022-02-18 20:43:16,693 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:43:16,693 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:43:16,948 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:43:17,956 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-18 20:43:17,957 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:43:17,957 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122084901]
[2022-02-18 20:43:17,957 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122084901] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 20:43:17,957 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 20:43:17,957 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18
[2022-02-18 20:43:17,957 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308448015]
[2022-02-18 20:43:17,958 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 20:43:17,958 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2022-02-18 20:43:17,958 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:43:17,958 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2022-02-18 20:43:17,959 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306
[2022-02-18 20:43:17,959 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:17,959 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:43:17,959 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 18 states, 18 states have (on average 10.11111111111111) internal successors, (182), 18 states have internal predecessors, (182), 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)
[2022-02-18 20:43:17,960 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:17,960 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:17,960 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:43:17,960 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:18,425 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:18,425 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:18,425 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:43:18,426 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-18 20:43:18,426 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-02-18 20:43:18,426 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:43:18,427 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:43:18,427 INFO  L85        PathProgramCache]: Analyzing trace with hash 1735787508, now seen corresponding path program 1 times
[2022-02-18 20:43:18,427 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:43:18,427 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002417769]
[2022-02-18 20:43:18,427 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:43:18,427 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:43:18,469 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:43:18,518 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-18 20:43:18,519 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:43:18,519 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002417769]
[2022-02-18 20:43:18,519 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002417769] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:43:18,519 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620225825]
[2022-02-18 20:43:18,519 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:43:18,519 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:43:18,520 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:43:18,521 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)
[2022-02-18 20:43:18,549 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-18 20:43:18,631 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:43:18,633 INFO  L263         TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 8 conjunts are in the unsatisfiable core
[2022-02-18 20:43:18,639 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:43:18,918 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-18 20:43:18,918 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-02-18 20:43:18,918 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620225825] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 20:43:18,919 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-02-18 20:43:18,919 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5
[2022-02-18 20:43:18,919 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581307241]
[2022-02-18 20:43:18,919 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 20:43:18,919 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-02-18 20:43:18,919 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:43:18,920 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-02-18 20:43:18,921 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-02-18 20:43:18,921 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:18,921 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:43:18,921 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 states have internal predecessors, (187), 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)
[2022-02-18 20:43:18,921 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:18,921 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:18,922 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:43:18,922 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2022-02-18 20:43:18,922 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:18,988 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:18,988 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:18,988 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:43:18,988 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-18 20:43:18,988 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:19,008 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-02-18 20:43:19,201 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:43:19,201 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:43:19,202 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:43:19,202 INFO  L85        PathProgramCache]: Analyzing trace with hash -1623765812, now seen corresponding path program 1 times
[2022-02-18 20:43:19,202 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:43:19,202 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999149562]
[2022-02-18 20:43:19,202 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:43:19,202 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:43:19,233 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:43:19,295 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:43:19,295 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:43:19,295 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999149562]
[2022-02-18 20:43:19,295 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999149562] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:43:19,296 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901356926]
[2022-02-18 20:43:19,296 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:43:19,296 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:43:19,296 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:43:19,297 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)
[2022-02-18 20:43:19,298 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-02-18 20:43:19,409 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:43:19,410 INFO  L263         TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 9 conjunts are in the unsatisfiable core
[2022-02-18 20:43:19,413 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:43:19,733 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:43:19,733 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:43:20,103 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:43:20,106 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901356926] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:43:20,106 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:43:20,106 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19
[2022-02-18 20:43:20,106 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059960434]
[2022-02-18 20:43:20,106 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:43:20,106 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-02-18 20:43:20,107 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:43:20,107 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-02-18 20:43:20,108 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342
[2022-02-18 20:43:20,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:20,108 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:43:20,108 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 12.578947368421053) internal successors, (239), 19 states have internal predecessors, (239), 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)
[2022-02-18 20:43:20,108 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:20,108 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:20,108 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:43:20,108 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2022-02-18 20:43:20,108 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:20,108 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:20,510 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:20,510 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:20,510 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:43:20,510 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:43:20,510 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:20,511 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-18 20:43:20,538 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-02-18 20:43:20,729 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:43:20,729 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:43:20,730 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:43:20,730 INFO  L85        PathProgramCache]: Analyzing trace with hash 1028159202, now seen corresponding path program 1 times
[2022-02-18 20:43:20,730 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:43:20,730 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154268543]
[2022-02-18 20:43:20,731 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:43:20,731 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:43:20,752 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:43:20,846 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:43:20,846 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:43:20,846 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154268543]
[2022-02-18 20:43:20,846 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154268543] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:43:20,846 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675578412]
[2022-02-18 20:43:20,846 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:43:20,847 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:43:20,847 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:43:20,851 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)
[2022-02-18 20:43:20,852 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-02-18 20:43:20,953 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:43:20,955 INFO  L263         TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 9 conjunts are in the unsatisfiable core
[2022-02-18 20:43:20,958 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:43:21,292 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:43:21,292 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:43:21,708 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:43:21,708 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675578412] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:43:21,709 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:43:21,709 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19
[2022-02-18 20:43:21,709 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613360752]
[2022-02-18 20:43:21,709 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:43:21,709 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-02-18 20:43:21,710 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:43:21,710 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-02-18 20:43:21,710 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342
[2022-02-18 20:43:21,710 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:21,710 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:43:21,710 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 12.578947368421053) internal successors, (239), 19 states have internal predecessors, (239), 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)
[2022-02-18 20:43:21,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:21,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:21,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:43:21,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:43:21,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:21,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-18 20:43:21,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:22,451 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:22,452 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:22,452 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:43:22,452 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:43:22,452 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:22,452 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:43:22,452 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-18 20:43:22,471 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2022-02-18 20:43:22,669 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:43:22,669 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:43:22,669 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:43:22,670 INFO  L85        PathProgramCache]: Analyzing trace with hash -1039401539, now seen corresponding path program 2 times
[2022-02-18 20:43:22,670 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:43:22,670 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687929183]
[2022-02-18 20:43:22,670 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:43:22,670 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:43:22,713 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:43:22,763 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2022-02-18 20:43:22,763 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:43:22,763 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687929183]
[2022-02-18 20:43:22,763 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687929183] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:43:22,763 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219244078]
[2022-02-18 20:43:22,763 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-18 20:43:22,763 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:43:22,763 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:43:22,764 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)
[2022-02-18 20:43:22,803 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2022-02-18 20:43:22,891 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-18 20:43:22,891 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:43:22,893 INFO  L263         TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 8 conjunts are in the unsatisfiable core
[2022-02-18 20:43:22,895 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:43:23,125 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2022-02-18 20:43:23,125 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-02-18 20:43:23,125 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [219244078] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 20:43:23,125 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-02-18 20:43:23,125 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5
[2022-02-18 20:43:23,125 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408986148]
[2022-02-18 20:43:23,127 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 20:43:23,128 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-02-18 20:43:23,128 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:43:23,129 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-02-18 20:43:23,129 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-02-18 20:43:23,129 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:23,129 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:43:23,130 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 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)
[2022-02-18 20:43:23,130 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:23,130 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:23,130 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:43:23,130 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:43:23,130 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:23,130 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:43:23,130 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-18 20:43:23,130 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:23,515 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:23,515 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:23,515 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:43:23,515 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:43:23,515 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:23,515 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:43:23,515 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:43:23,516 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:23,535 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2022-02-18 20:43:23,729 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:43:23,730 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:43:23,730 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:43:23,730 INFO  L85        PathProgramCache]: Analyzing trace with hash -857429205, now seen corresponding path program 2 times
[2022-02-18 20:43:23,730 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:43:23,730 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822600760]
[2022-02-18 20:43:23,730 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:43:23,730 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:43:23,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:43:24,244 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:43:24,244 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:43:24,244 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822600760]
[2022-02-18 20:43:24,244 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822600760] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:43:24,244 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465838068]
[2022-02-18 20:43:24,244 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-18 20:43:24,245 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:43:24,245 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:43:24,246 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:43:24,247 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2022-02-18 20:43:24,377 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-18 20:43:24,377 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:43:24,379 INFO  L263         TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 31 conjunts are in the unsatisfiable core
[2022-02-18 20:43:24,408 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:43:25,270 INFO  L353             Elim1Store]: treesize reduction 13, result has 18.8 percent of original size
[2022-02-18 20:43:25,270 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 10
[2022-02-18 20:43:25,323 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:43:25,323 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:43:25,541 INFO  L353             Elim1Store]: treesize reduction 9, result has 43.8 percent of original size
[2022-02-18 20:43:25,542 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 16
[2022-02-18 20:43:26,757 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:43:26,757 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [465838068] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:43:26,758 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:43:26,758 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 14, 14] total 45
[2022-02-18 20:43:26,758 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195120287]
[2022-02-18 20:43:26,758 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:43:26,758 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 45 states
[2022-02-18 20:43:26,758 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:43:26,759 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants.
[2022-02-18 20:43:26,759 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=1787, Unknown=0, NotChecked=0, Total=1980
[2022-02-18 20:43:26,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:26,759 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:43:26,760 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 45 states, 45 states have (on average 9.8) internal successors, (441), 45 states have internal predecessors, (441), 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)
[2022-02-18 20:43:26,760 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:26,760 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:26,760 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:43:26,760 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:43:26,760 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:26,760 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:43:26,760 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:43:26,760 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:26,760 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:28,671 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:28,671 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:28,671 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:43:28,671 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:43:28,671 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:28,671 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:43:28,671 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:43:28,687 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:28,687 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-18 20:43:28,708 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2022-02-18 20:43:28,904 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:43:28,904 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:43:28,904 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:43:28,905 INFO  L85        PathProgramCache]: Analyzing trace with hash 1197673415, now seen corresponding path program 3 times
[2022-02-18 20:43:28,905 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:43:28,905 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947252043]
[2022-02-18 20:43:28,905 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:43:28,905 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:43:28,954 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:43:29,596 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:43:29,596 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:43:29,596 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947252043]
[2022-02-18 20:43:29,596 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947252043] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:43:29,596 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945694614]
[2022-02-18 20:43:29,597 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-18 20:43:29,597 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:43:29,597 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:43:29,598 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:43:29,598 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2022-02-18 20:43:29,799 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2022-02-18 20:43:29,799 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:43:29,801 INFO  L263         TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 22 conjunts are in the unsatisfiable core
[2022-02-18 20:43:29,805 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:43:30,367 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-02-18 20:43:30,370 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 20
[2022-02-18 20:43:30,416 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 7
[2022-02-18 20:43:30,452 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2022-02-18 20:43:30,453 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:43:30,558 WARN  L838   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_323 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_323) c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)) 0))) is different from false
[2022-02-18 20:43:30,568 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-18 20:43:30,568 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 45 treesize of output 45
[2022-02-18 20:43:30,571 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 24 treesize of output 18
[2022-02-18 20:43:31,182 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2022-02-18 20:43:31,182 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945694614] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:43:31,183 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:43:31,183 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 12, 12] total 43
[2022-02-18 20:43:31,183 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524771184]
[2022-02-18 20:43:31,183 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:43:31,183 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 43 states
[2022-02-18 20:43:31,184 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:43:31,184 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants.
[2022-02-18 20:43:31,184 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1614, Unknown=1, NotChecked=80, Total=1806
[2022-02-18 20:43:31,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:31,184 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:43:31,185 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 43 states, 43 states have (on average 10.627906976744185) internal successors, (457), 43 states have internal predecessors, (457), 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)
[2022-02-18 20:43:31,185 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:31,185 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:31,185 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:43:31,185 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:43:31,185 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:31,185 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:43:31,185 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:43:31,185 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:31,185 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-18 20:43:31,185 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:33,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:33,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:33,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:43:33,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:43:33,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:33,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:43:33,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:43:33,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:33,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:43:33,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:43:33,711 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2022-02-18 20:43:33,899 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:43:33,899 INFO  L402      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:43:33,899 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:43:33,899 INFO  L85        PathProgramCache]: Analyzing trace with hash -307848099, now seen corresponding path program 4 times
[2022-02-18 20:43:33,899 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:43:33,899 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987217424]
[2022-02-18 20:43:33,899 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:43:33,900 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:43:33,972 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:43:34,861 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:43:34,862 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:43:34,862 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987217424]
[2022-02-18 20:43:34,862 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987217424] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:43:34,862 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396102356]
[2022-02-18 20:43:34,862 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-18 20:43:34,862 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:43:34,862 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:43:34,876 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:43:34,877 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2022-02-18 20:43:34,980 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-18 20:43:34,981 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:43:34,982 INFO  L263         TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 41 conjunts are in the unsatisfiable core
[2022-02-18 20:43:34,989 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:43:36,116 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-02-18 20:43:36,117 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 20
[2022-02-18 20:43:36,226 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-02-18 20:43:36,227 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 20
[2022-02-18 20:43:36,426 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 7
[2022-02-18 20:43:36,482 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:43:36,482 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:43:36,829 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-18 20:43:36,830 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 167 treesize of output 159
[2022-02-18 20:43:36,833 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 138 treesize of output 126
[2022-02-18 20:43:36,836 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 126 treesize of output 102
[2022-02-18 20:43:38,604 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:43:38,604 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396102356] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:43:38,604 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:43:38,604 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23, 23] total 63
[2022-02-18 20:43:38,604 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985366632]
[2022-02-18 20:43:38,604 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:43:38,605 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 63 states
[2022-02-18 20:43:38,605 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:43:38,605 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants.
[2022-02-18 20:43:38,606 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=3565, Unknown=0, NotChecked=0, Total=3906
[2022-02-18 20:43:38,606 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:38,606 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:43:38,607 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 63 states, 63 states have (on average 7.285714285714286) internal successors, (459), 63 states have internal predecessors, (459), 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)
[2022-02-18 20:43:38,607 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:38,607 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:38,607 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:43:38,607 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:43:38,607 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:38,607 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:43:38,607 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:43:38,607 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:38,607 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:43:38,607 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:43:38,607 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:42,470 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:42,471 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:42,471 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:43:42,471 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:43:42,471 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:42,471 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:43:42,471 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:43:42,471 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:42,471 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:43:42,471 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:43:42,472 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:43:42,493 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2022-02-18 20:43:42,688 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2022-02-18 20:43:42,689 INFO  L402      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:43:42,689 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:43:42,689 INFO  L85        PathProgramCache]: Analyzing trace with hash -1211623185, now seen corresponding path program 1 times
[2022-02-18 20:43:42,689 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:43:42,689 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005854709]
[2022-02-18 20:43:42,689 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:43:42,689 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:43:42,778 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:43:44,702 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:43:44,702 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:43:44,702 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005854709]
[2022-02-18 20:43:44,702 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005854709] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:43:44,702 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088344534]
[2022-02-18 20:43:44,702 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:43:44,703 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:43:44,703 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:43:44,704 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:43:44,709 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2022-02-18 20:43:44,826 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:43:44,829 INFO  L263         TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 29 conjunts are in the unsatisfiable core
[2022-02-18 20:43:44,831 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:43:45,793 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 24 treesize of output 8
[2022-02-18 20:43:45,815 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2022-02-18 20:43:45,815 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:43:46,022 INFO  L353             Elim1Store]: treesize reduction 9, result has 43.8 percent of original size
[2022-02-18 20:43:46,022 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 24 treesize of output 15
[2022-02-18 20:43:47,051 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2022-02-18 20:43:47,052 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088344534] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:43:47,052 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:43:47,052 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 15, 15] total 61
[2022-02-18 20:43:47,052 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137312515]
[2022-02-18 20:43:47,052 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:43:47,052 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 61 states
[2022-02-18 20:43:47,052 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:43:47,053 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants.
[2022-02-18 20:43:47,054 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=436, Invalid=3224, Unknown=0, NotChecked=0, Total=3660
[2022-02-18 20:43:47,054 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:47,054 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:43:47,054 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 61 states, 61 states have (on average 7.836065573770492) internal successors, (478), 61 states have internal predecessors, (478), 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)
[2022-02-18 20:43:47,054 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:47,054 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:47,054 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:43:47,054 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:43:47,054 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:47,054 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:43:47,054 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:43:47,054 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:47,054 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:43:47,054 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:43:47,054 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:43:47,055 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:50,137 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:43:50,137 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:43:50,137 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:43:50,137 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:43:50,137 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:50,137 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:43:50,137 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:43:50,137 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:43:50,137 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:43:50,137 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:43:50,137 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:43:50,137 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-18 20:43:50,156 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2022-02-18 20:43:50,351 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:43:50,351 INFO  L402      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:43:50,352 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:43:50,352 INFO  L85        PathProgramCache]: Analyzing trace with hash 2002385164, now seen corresponding path program 1 times
[2022-02-18 20:43:50,352 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:43:50,352 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32694780]
[2022-02-18 20:43:50,352 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:43:50,352 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:43:50,420 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:43:54,573 INFO  L134       CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:43:54,573 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:43:54,573 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32694780]
[2022-02-18 20:43:54,573 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32694780] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:43:54,573 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351045190]
[2022-02-18 20:43:54,573 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:43:54,574 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:43:54,574 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:43:54,580 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:43:54,581 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2022-02-18 20:43:54,698 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:43:54,700 INFO  L263         TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 104 conjunts are in the unsatisfiable core
[2022-02-18 20:43:54,703 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:44:02,013 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 7
[2022-02-18 20:44:02,938 INFO  L134       CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:44:02,938 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:44:06,355 INFO  L353             Elim1Store]: treesize reduction 27, result has 75.2 percent of original size
[2022-02-18 20:44:06,356 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 114 treesize of output 155
[2022-02-18 20:44:13,172 INFO  L134       CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:44:13,173 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351045190] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:44:13,173 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:44:13,173 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 57, 47] total 148
[2022-02-18 20:44:13,173 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137042668]
[2022-02-18 20:44:13,173 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:44:13,174 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 148 states
[2022-02-18 20:44:13,174 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:44:13,174 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants.
[2022-02-18 20:44:13,178 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1919, Invalid=19837, Unknown=0, NotChecked=0, Total=21756
[2022-02-18 20:44:13,178 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:44:13,178 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:44:13,179 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 148 states, 148 states have (on average 3.695945945945946) internal successors, (547), 148 states have internal predecessors, (547), 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)
[2022-02-18 20:44:13,179 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:44:13,179 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:44:13,180 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:44:13,180 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:44:13,180 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:44:13,180 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:44:13,180 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:44:13,180 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:44:13,180 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:44:13,180 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:44:13,180 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:44:13,180 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. 
[2022-02-18 20:44:13,180 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:44:33,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:44:33,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:44:33,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:44:33,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:44:33,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:44:33,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:44:33,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:44:33,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:44:33,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:44:33,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:44:33,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:44:33,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-18 20:44:33,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. 
[2022-02-18 20:44:33,795 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2022-02-18 20:44:33,981 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2022-02-18 20:44:33,981 INFO  L402      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:44:33,982 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:44:33,982 INFO  L85        PathProgramCache]: Analyzing trace with hash 963683087, now seen corresponding path program 2 times
[2022-02-18 20:44:33,982 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:44:33,982 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933929093]
[2022-02-18 20:44:33,982 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:44:33,982 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:44:34,012 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:44:34,133 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2022-02-18 20:44:34,134 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:44:34,134 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933929093]
[2022-02-18 20:44:34,134 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933929093] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:44:34,134 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734162479]
[2022-02-18 20:44:34,134 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-18 20:44:34,134 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:44:34,134 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:44:34,135 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:44:34,136 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2022-02-18 20:44:34,258 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-18 20:44:34,259 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:44:34,260 INFO  L263         TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 10 conjunts are in the unsatisfiable core
[2022-02-18 20:44:34,262 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:44:34,581 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2022-02-18 20:44:34,581 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:44:35,184 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2022-02-18 20:44:35,184 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [734162479] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:44:35,184 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:44:35,184 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 7] total 21
[2022-02-18 20:44:35,184 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210563120]
[2022-02-18 20:44:35,184 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:44:35,185 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 21 states
[2022-02-18 20:44:35,185 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:44:35,185 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2022-02-18 20:44:35,185 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420
[2022-02-18 20:44:35,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:44:35,185 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:44:35,186 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 21 states, 21 states have (on average 21.19047619047619) internal successors, (445), 21 states have internal predecessors, (445), 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)
[2022-02-18 20:44:35,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:44:35,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:44:35,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:44:35,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:44:35,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:44:35,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:44:35,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:44:35,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:44:35,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:44:35,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:44:35,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:44:35,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. 
[2022-02-18 20:44:35,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. 
[2022-02-18 20:44:35,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:44:43,951 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2022-02-18 20:45:15,246 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:45:15,247 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:45:15,247 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:45:15,247 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:45:15,247 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:45:15,247 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:45:15,247 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:45:15,247 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:45:15,247 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:45:15,247 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:45:15,247 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:45:15,247 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:45:15,247 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-18 20:45:15,247 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:45:15,267 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2022-02-18 20:45:15,448 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2022-02-18 20:45:15,448 INFO  L402      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:45:15,449 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:45:15,449 INFO  L85        PathProgramCache]: Analyzing trace with hash -2020298708, now seen corresponding path program 3 times
[2022-02-18 20:45:15,449 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:45:15,449 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128505431]
[2022-02-18 20:45:15,449 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:45:15,449 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:45:15,467 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:45:15,544 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2022-02-18 20:45:15,544 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:45:15,544 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128505431]
[2022-02-18 20:45:15,544 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128505431] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:45:15,545 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718839331]
[2022-02-18 20:45:15,545 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-18 20:45:15,545 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:45:15,545 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:45:15,546 INFO  L229       MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:45:15,547 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2022-02-18 20:45:15,681 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2022-02-18 20:45:15,681 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:45:15,683 INFO  L263         TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 12 conjunts are in the unsatisfiable core
[2022-02-18 20:45:15,685 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:45:16,097 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2022-02-18 20:45:16,098 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:45:16,436 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2022-02-18 20:45:16,437 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [718839331] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:45:16,437 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:45:16,437 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28
[2022-02-18 20:45:16,437 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958573269]
[2022-02-18 20:45:16,437 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:45:16,437 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2022-02-18 20:45:16,437 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:45:16,438 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2022-02-18 20:45:16,438 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756
[2022-02-18 20:45:16,438 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:45:16,438 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:45:16,438 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 28 states, 28 states have (on average 10.0) internal successors, (280), 28 states have internal predecessors, (280), 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)
[2022-02-18 20:45:16,438 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:45:16,438 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:45:16,438 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:45:16,438 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:45:16,438 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:45:16,438 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:45:16,438 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:45:16,438 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:45:16,438 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:45:16,439 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:45:16,439 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:45:16,439 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:45:16,439 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-18 20:45:16,439 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:45:16,439 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:45:18,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:45:18,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:45:18,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:45:18,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:45:18,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:45:18,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:45:18,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:45:18,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:45:18,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:45:18,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:45:18,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:45:18,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. 
[2022-02-18 20:45:18,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. 
[2022-02-18 20:45:18,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:45:18,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:45:18,129 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0
[2022-02-18 20:45:18,309 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2022-02-18 20:45:18,310 INFO  L402      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:45:18,310 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:45:18,310 INFO  L85        PathProgramCache]: Analyzing trace with hash -875797943, now seen corresponding path program 2 times
[2022-02-18 20:45:18,310 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:45:18,310 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254980396]
[2022-02-18 20:45:18,310 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:45:18,310 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:45:18,351 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:45:18,908 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2022-02-18 20:45:18,909 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:45:18,909 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254980396]
[2022-02-18 20:45:18,909 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254980396] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:45:18,909 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467050899]
[2022-02-18 20:45:18,909 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-18 20:45:18,909 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:45:18,909 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:45:18,910 INFO  L229       MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:45:18,911 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2022-02-18 20:45:19,077 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-18 20:45:19,078 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:45:19,079 INFO  L263         TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 41 conjunts are in the unsatisfiable core
[2022-02-18 20:45:19,084 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:45:20,430 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-02-18 20:45:20,431 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 20
[2022-02-18 20:45:20,808 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 8
[2022-02-18 20:45:20,826 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2022-02-18 20:45:20,827 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:45:20,988 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-18 20:45:20,988 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 44 treesize of output 44
[2022-02-18 20:45:20,990 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 24 treesize of output 18
[2022-02-18 20:45:22,076 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2022-02-18 20:45:22,077 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467050899] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:45:22,077 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:45:22,077 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22, 22] total 58
[2022-02-18 20:45:22,077 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529126391]
[2022-02-18 20:45:22,077 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:45:22,077 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 58 states
[2022-02-18 20:45:22,077 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:45:22,078 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants.
[2022-02-18 20:45:22,079 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=2989, Unknown=1, NotChecked=0, Total=3306
[2022-02-18 20:45:22,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:45:22,079 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:45:22,079 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 58 states, 58 states have (on average 7.603448275862069) internal successors, (441), 58 states have internal predecessors, (441), 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)
[2022-02-18 20:45:22,079 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:45:22,079 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:45:22,079 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:45:22,079 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:45:22,079 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:45:22,079 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:45:22,079 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:45:22,079 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:45:22,080 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:45:22,080 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:45:22,080 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:45:22,080 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. 
[2022-02-18 20:45:22,080 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. 
[2022-02-18 20:45:22,080 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:45:22,080 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:45:22,080 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:45:24,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:45:24,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:45:24,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:45:24,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:45:24,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:45:24,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:45:24,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:45:24,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:45:24,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:45:24,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:45:24,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:45:24,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-18 20:45:24,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. 
[2022-02-18 20:45:24,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:45:24,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:45:24,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2022-02-18 20:45:24,182 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0
[2022-02-18 20:45:24,355 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2022-02-18 20:45:24,356 INFO  L402      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:45:24,356 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:45:24,356 INFO  L85        PathProgramCache]: Analyzing trace with hash -1017537603, now seen corresponding path program 3 times
[2022-02-18 20:45:24,356 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:45:24,356 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439804678]
[2022-02-18 20:45:24,356 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:45:24,356 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:45:24,411 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:45:24,987 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2022-02-18 20:45:24,988 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:45:24,988 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439804678]
[2022-02-18 20:45:24,988 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439804678] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:45:24,988 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22867488]
[2022-02-18 20:45:24,988 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-18 20:45:24,988 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:45:24,988 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:45:24,989 INFO  L229       MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:45:24,990 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2022-02-18 20:45:25,143 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2022-02-18 20:45:25,143 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:45:25,145 INFO  L263         TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 19 conjunts are in the unsatisfiable core
[2022-02-18 20:45:25,148 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:45:25,861 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-02-18 20:45:25,861 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 21
[2022-02-18 20:45:25,998 INFO  L353             Elim1Store]: treesize reduction 13, result has 18.8 percent of original size
[2022-02-18 20:45:25,999 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 24 treesize of output 11
[2022-02-18 20:45:26,018 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2022-02-18 20:45:26,018 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:45:26,074 WARN  L838   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_659 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_659) c_~q2~0.base) (+ c_~q2~0.offset (* c_~q2_front~0 4))) 0))) is different from false
[2022-02-18 20:45:26,082 WARN  L838   $PredicateComparison]: unable to prove that (or (= |c_thread2Thread1of1ForFork1_~j~0#1| 0) (forall ((v_ArrVal_659 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_659) c_~q2~0.base) (+ c_~q2~0.offset (* c_~q2_front~0 4))) 0)))) is different from false
[2022-02-18 20:45:26,094 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-18 20:45:26,094 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 44 treesize of output 44
[2022-02-18 20:45:26,096 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 24 treesize of output 18
[2022-02-18 20:45:26,661 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 5 not checked.
[2022-02-18 20:45:26,662 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [22867488] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:45:26,662 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:45:26,662 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 13, 13] total 41
[2022-02-18 20:45:26,662 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381669629]
[2022-02-18 20:45:26,662 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:45:26,663 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 41 states
[2022-02-18 20:45:26,663 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:45:26,663 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants.
[2022-02-18 20:45:26,663 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1380, Unknown=2, NotChecked=150, Total=1640
[2022-02-18 20:45:26,663 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:45:26,664 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:45:26,664 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 41 states, 41 states have (on average 10.634146341463415) internal successors, (436), 41 states have internal predecessors, (436), 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)
[2022-02-18 20:45:26,664 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:45:26,664 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:45:26,664 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:45:26,664 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:45:26,664 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:45:26,664 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:45:26,664 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:45:26,664 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:45:26,664 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:45:26,664 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:45:26,664 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:45:26,664 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-18 20:45:26,664 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. 
[2022-02-18 20:45:26,664 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:45:26,664 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:45:26,664 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. 
[2022-02-18 20:45:26,664 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:45:28,345 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:45:28,345 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:45:28,345 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:45:28,345 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:45:28,345 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:45:28,345 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:45:28,345 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:45:28,346 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:45:28,346 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:45:28,346 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:45:28,346 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:45:28,346 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-18 20:45:28,346 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. 
[2022-02-18 20:45:28,346 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:45:28,346 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:45:28,346 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2022-02-18 20:45:28,346 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-18 20:45:28,363 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0
[2022-02-18 20:45:28,563 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:45:28,564 INFO  L402      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:45:28,564 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:45:28,564 INFO  L85        PathProgramCache]: Analyzing trace with hash 871368446, now seen corresponding path program 4 times
[2022-02-18 20:45:28,564 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:45:28,564 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530018635]
[2022-02-18 20:45:28,564 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:45:28,564 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:45:28,614 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:45:34,550 INFO  L134       CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:45:34,550 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:45:34,550 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530018635]
[2022-02-18 20:45:34,550 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530018635] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:45:34,550 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400672503]
[2022-02-18 20:45:34,550 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-18 20:45:34,550 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:45:34,550 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:45:34,551 INFO  L229       MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:45:34,552 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2022-02-18 20:45:34,686 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-18 20:45:34,686 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:45:34,689 INFO  L263         TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 114 conjunts are in the unsatisfiable core
[2022-02-18 20:45:34,692 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:45:34,767 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2022-02-18 20:45:35,547 INFO  L353             Elim1Store]: treesize reduction 15, result has 25.0 percent of original size
[2022-02-18 20:45:35,547 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14
[2022-02-18 20:45:36,964 INFO  L353             Elim1Store]: treesize reduction 16, result has 36.0 percent of original size
[2022-02-18 20:45:36,965 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 16 treesize of output 18
[2022-02-18 20:45:41,085 INFO  L353             Elim1Store]: treesize reduction 11, result has 45.0 percent of original size
[2022-02-18 20:45:41,085 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 44
[2022-02-18 20:45:41,101 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 27 treesize of output 15
[2022-02-18 20:45:41,757 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 7
[2022-02-18 20:45:42,585 INFO  L134       CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:45:42,585 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:45:45,235 WARN  L838   $PredicateComparison]: unable to prove that (or (not (= (select (select |c_#memory_int| c_~q2~0.base) (+ (* c_~q2_back~0 4) c_~q2~0.offset)) (select (select |c_#memory_int| c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)))) (let ((.cse0 (* c_~C~0 2)) (.cse1 (mod (+ c_~C~0 c_~x~0) 4294967296))) (and (= (mod (+ .cse0 c_~z~0) 4294967296) .cse1) (forall ((v_ArrVal_710 (Array Int Int))) (= c_~N~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_710) c_~q2~0.base) (+ c_~q2~0.offset (* c_~q2_front~0 4))))) (= (mod (+ c_~y~0 .cse0) 4294967296) .cse1))) (< c_~q2_back~0 0) (not (<= 0 c_~q1_back~0)) (not (< c_~q1_back~0 c_~n1~0)) (<= c_~n2~0 (+ c_~q2_back~0 1))) is different from false
[2022-02-18 20:45:45,528 WARN  L838   $PredicateComparison]: unable to prove that (or (not (= (select (select |c_#memory_int| c_~q2~0.base) (+ (* c_~q2_back~0 4) c_~q2~0.offset)) (select (select |c_#memory_int| c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)))) (let ((.cse0 (* c_~C~0 2)) (.cse1 (mod (+ c_~C~0 c_~x~0) 4294967296))) (and (= (mod (+ .cse0 c_~z~0) 4294967296) .cse1) (forall ((v_ArrVal_710 (Array Int Int))) (= c_~N~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_710) c_~q2~0.base) (+ c_~q2~0.offset (* c_~q2_front~0 4))))) (= (mod (+ c_~y~0 .cse0) 4294967296) .cse1))) (< c_~q2_back~0 0) (not (<= 0 c_~q1_back~0)) (< (+ |c_thread1Thread1of1ForFork0_#t~post1#1| 1) c_~N~0) (not (< c_~q1_back~0 c_~n1~0)) (<= c_~n2~0 (+ c_~q2_back~0 1))) is different from false
[2022-02-18 20:45:45,809 WARN  L838   $PredicateComparison]: unable to prove that (or (not (= (select (select |c_#memory_int| c_~q2~0.base) (+ (* c_~q2_back~0 4) c_~q2~0.offset)) (select (select |c_#memory_int| c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)))) (< c_~q2_back~0 0) (< (+ |c_thread1Thread1of1ForFork0_~i~0#1| 1) c_~N~0) (not (<= 0 c_~q1_back~0)) (not (< c_~q1_back~0 c_~n1~0)) (and (forall ((~C~0 Int)) (let ((.cse0 (* 2 ~C~0))) (= (mod (+ c_~x~0 .cse0) 4294967296) (mod (+ c_~y~0 .cse0) 4294967296)))) (forall ((v_ArrVal_710 (Array Int Int))) (= c_~N~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_710) c_~q2~0.base) (+ c_~q2~0.offset (* c_~q2_front~0 4))))) (forall ((~C~0 Int)) (let ((.cse1 (* 2 ~C~0))) (= (mod (+ c_~x~0 .cse1) 4294967296) (mod (+ .cse1 c_~z~0) 4294967296))))) (<= c_~n2~0 (+ c_~q2_back~0 1))) is different from false
[2022-02-18 20:45:45,915 INFO  L353             Elim1Store]: treesize reduction 27, result has 75.2 percent of original size
[2022-02-18 20:45:45,915 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 94 treesize of output 143
[2022-02-18 20:45:45,922 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 53 treesize of output 47
[2022-02-18 20:45:59,172 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 8
[2022-02-18 20:46:00,031 INFO  L134       CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:46:00,031 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [400672503] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:46:00,031 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:46:00,031 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 58, 53] total 168
[2022-02-18 20:46:00,031 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795334015]
[2022-02-18 20:46:00,032 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:46:00,032 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 168 states
[2022-02-18 20:46:00,032 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:46:00,032 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants.
[2022-02-18 20:46:00,036 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1528, Invalid=25525, Unknown=19, NotChecked=984, Total=28056
[2022-02-18 20:46:00,036 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:46:00,037 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:46:00,037 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 168 states, 168 states have (on average 3.4702380952380953) internal successors, (583), 168 states have internal predecessors, (583), 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)
[2022-02-18 20:46:00,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:46:00,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:46:00,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:46:00,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:46:00,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:46:00,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:46:00,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:46:00,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:46:00,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:46:00,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:46:00,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:46:00,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-18 20:46:00,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. 
[2022-02-18 20:46:00,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:46:00,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:46:00,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. 
[2022-02-18 20:46:00,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-18 20:46:00,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:46:43,095 WARN  L838   $PredicateComparison]: unable to prove that (let ((.cse10 (* c_~C~0 2))) (let ((.cse2 (mod (+ .cse10 c_~z~0) 4294967296)) (.cse9 (mod c_~x~0 4294967296))) (let ((.cse0 (= (mod (+ c_~C~0 c_~y~0) 4294967296) .cse9)) (.cse4 (forall ((v_ArrVal_710 (Array Int Int))) (= c_~N~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_710) c_~q2~0.base) (+ c_~q2~0.offset (* c_~q2_front~0 4)))))) (.cse5 (mod (+ c_~y~0 .cse10) 4294967296)) (.cse6 (not (< c_~q2_back~0 c_~n2~0))) (.cse8 (not (<= 0 c_~q2_back~0))) (.cse7 (= .cse2 .cse9)) (.cse1 (select |c_#memory_int| c_~q2~0.base))) (and .cse0 (or (not (= (select .cse1 (+ (* c_~q2_back~0 4) c_~q2~0.offset)) (select (select |c_#memory_int| c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)))) (let ((.cse3 (mod (+ c_~C~0 c_~x~0) 4294967296))) (and (= .cse2 .cse3) .cse4 (= .cse5 .cse3))) (< c_~q2_back~0 0) (<= c_~n2~0 (+ c_~q2_back~0 1))) (or .cse6 (and .cse0 .cse4 .cse7) .cse8) (or (and .cse4 .cse7 (= .cse9 .cse5)) .cse6 .cse8) .cse7 (= c_~N~0 (select .cse1 (+ c_~q2~0.offset (* c_~q2_front~0 4)))))))) is different from false
[2022-02-18 20:47:01,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:47:01,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:47:01,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:47:01,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:47:01,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:01,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:47:01,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:47:01,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:01,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:47:01,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:47:01,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:47:01,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. 
[2022-02-18 20:47:01,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. 
[2022-02-18 20:47:01,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:47:01,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:47:01,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-18 20:47:01,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-18 20:47:01,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. 
[2022-02-18 20:47:01,842 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0
[2022-02-18 20:47:02,023 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2022-02-18 20:47:02,023 INFO  L402      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:47:02,023 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:47:02,023 INFO  L85        PathProgramCache]: Analyzing trace with hash -132646568, now seen corresponding path program 4 times
[2022-02-18 20:47:02,024 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:47:02,024 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729954475]
[2022-02-18 20:47:02,024 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:47:02,024 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:47:02,050 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:47:02,163 INFO  L134       CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2022-02-18 20:47:02,163 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:47:02,163 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729954475]
[2022-02-18 20:47:02,163 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729954475] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:47:02,163 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394597995]
[2022-02-18 20:47:02,164 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-18 20:47:02,164 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:47:02,164 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:47:02,165 INFO  L229       MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:47:02,166 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process
[2022-02-18 20:47:02,283 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-18 20:47:02,283 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:47:02,285 INFO  L263         TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 12 conjunts are in the unsatisfiable core
[2022-02-18 20:47:02,287 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:47:02,706 INFO  L134       CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2022-02-18 20:47:02,706 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:47:03,143 INFO  L134       CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2022-02-18 20:47:03,143 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394597995] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:47:03,143 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:47:03,143 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28
[2022-02-18 20:47:03,144 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108737972]
[2022-02-18 20:47:03,144 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:47:03,144 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2022-02-18 20:47:03,144 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:47:03,144 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2022-02-18 20:47:03,144 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756
[2022-02-18 20:47:03,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:47:03,144 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:47:03,145 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 28 states, 28 states have (on average 10.5) internal successors, (294), 28 states have internal predecessors, (294), 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)
[2022-02-18 20:47:03,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:47:03,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:47:03,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:47:03,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:47:03,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:03,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:47:03,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:47:03,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:03,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:47:03,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:47:03,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:47:03,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. 
[2022-02-18 20:47:03,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. 
[2022-02-18 20:47:03,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:47:03,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:47:03,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-18 20:47:03,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-18 20:47:03,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. 
[2022-02-18 20:47:03,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:47:03,633 WARN  L838   $PredicateComparison]: unable to prove that (let ((.cse12 (+ (* c_~q2_back~0 4) c_~q2~0.offset))) (let ((.cse19 (select (select |c_#memory_int| c_~q2~0.base) .cse12)) (.cse20 (+ (* c_~q1_front~0 4) c_~q1~0.offset)) (.cse18 (* c_~q2_front~0 4))) (let ((.cse17 (= (+ c_~q2~0.offset .cse18) 0)) (.cse13 (not (= .cse19 (select (select |c_#memory_int| c_~q1~0.base) .cse20))))) (let ((.cse2 (<= 1 c_~N~0)) (.cse11 (not (= .cse12 0))) (.cse0 (= c_~y~0 0)) (.cse1 (not (= |c_ULTIMATE.start_main_~#t3~0#1.base| c_~q2~0.base))) (.cse6 (and .cse13 (= .cse20 0))) (.cse7 (<= (* 4 c_~n1~0) (+ (* c_~q1_back~0 4) 3 c_~q1~0.offset))) (.cse14 (+ |c_thread1Thread1of1ForFork0_~i~0#1| 1)) (.cse3 (<= c_~x~0 c_~C~0)) (.cse4 (<= c_~C~0 c_~x~0)) (.cse5 (= .cse19 1)) (.cse8 (not .cse17)) (.cse9 (= c_~z~0 0)) (.cse10 (or .cse17 (and (<= (+ c_~q2_front~0 c_~n2~0) (+ c_~q2_back~0 2)) (< 0 (+ c_~q2~0.offset .cse18 1)))))) (and (= c_~q2~0.offset 0) (or (and .cse0 (or (and .cse1 (or (and .cse2 .cse3 (<= c_~N~0 1) .cse4 .cse5) .cse6 .cse7)) .cse8) .cse9 .cse10) .cse11) (= c_~q1~0.offset 0) (or (<= c_~n2~0 2) (<= .cse12 0)) (or .cse13 (< c_~q2_back~0 0) (< .cse14 c_~N~0) (not (<= 0 c_~q1_back~0)) (not (< c_~q1_back~0 c_~n1~0)) (and (forall ((~C~0 Int)) (let ((.cse15 (* 2 ~C~0))) (= (mod (+ c_~x~0 .cse15) 4294967296) (mod (+ c_~y~0 .cse15) 4294967296)))) (forall ((v_ArrVal_710 (Array Int Int))) (= c_~N~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_710) c_~q2~0.base) (+ c_~q2~0.offset (* c_~q2_front~0 4))))) (forall ((~C~0 Int)) (let ((.cse16 (* 2 ~C~0))) (= (mod (+ c_~x~0 .cse16) 4294967296) (mod (+ .cse16 c_~z~0) 4294967296))))) (<= c_~n2~0 (+ c_~q2_back~0 1))) (or .cse11 (and .cse0 (or (and .cse1 (or .cse6 (and (= |c_thread1Thread1of1ForFork0_#t~post1#1| 0) .cse2 .cse3 .cse4 .cse5) .cse7)) .cse8) .cse9 .cse10)) (or .cse11 (and .cse0 (or (and .cse1 (or .cse6 .cse7 (and (<= .cse14 c_~N~0) .cse3 .cse4 (= |c_thread1Thread1of1ForFork0_~i~0#1| 0) .cse5))) .cse8) .cse9 .cse10))))))) is different from false
[2022-02-18 20:47:03,651 WARN  L838   $PredicateComparison]: unable to prove that (let ((.cse0 (not (= (select (select |c_#memory_int| c_~q2~0.base) (+ (* c_~q2_back~0 4) c_~q2~0.offset)) (select (select |c_#memory_int| c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset))))) (.cse1 (let ((.cse6 (* c_~C~0 2)) (.cse7 (mod (+ c_~C~0 c_~x~0) 4294967296))) (and (= (mod (+ .cse6 c_~z~0) 4294967296) .cse7) (forall ((v_ArrVal_710 (Array Int Int))) (= c_~N~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_710) c_~q2~0.base) (+ c_~q2~0.offset (* c_~q2_front~0 4))))) (= (mod (+ c_~y~0 .cse6) 4294967296) .cse7)))) (.cse2 (< c_~q2_back~0 0)) (.cse3 (not (<= 0 c_~q1_back~0))) (.cse4 (not (< c_~q1_back~0 c_~n1~0))) (.cse5 (<= c_~n2~0 (+ c_~q2_back~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (< (+ |c_thread1Thread1of1ForFork0_#t~post1#1| 1) c_~N~0) .cse4 .cse5) (or .cse0 .cse1 .cse2 (< (+ |c_thread1Thread1of1ForFork0_~i~0#1| 1) c_~N~0) .cse3 .cse4 .cse5))) is different from false
[2022-02-18 20:47:09,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:47:09,733 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:47:09,733 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:47:09,733 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:47:09,733 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:09,733 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:47:09,733 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:47:09,733 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:09,733 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:47:09,733 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:47:09,738 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:47:09,738 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. 
[2022-02-18 20:47:09,738 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-18 20:47:09,738 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:47:09,738 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:47:09,738 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-18 20:47:09,738 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-18 20:47:09,738 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. 
[2022-02-18 20:47:09,738 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-18 20:47:09,757 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0
[2022-02-18 20:47:09,942 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:47:09,942 INFO  L402      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:47:09,943 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:47:09,943 INFO  L85        PathProgramCache]: Analyzing trace with hash -1286213210, now seen corresponding path program 5 times
[2022-02-18 20:47:09,943 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:47:09,943 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444391455]
[2022-02-18 20:47:09,943 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:47:09,943 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:47:09,969 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:47:10,016 INFO  L134       CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked.
[2022-02-18 20:47:10,017 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:47:10,017 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444391455]
[2022-02-18 20:47:10,017 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444391455] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:47:10,017 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682237103]
[2022-02-18 20:47:10,017 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-18 20:47:10,017 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:47:10,017 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:47:10,032 INFO  L229       MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:47:10,073 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process
[2022-02-18 20:47:10,189 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s)
[2022-02-18 20:47:10,190 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:47:10,192 INFO  L263         TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 20 conjunts are in the unsatisfiable core
[2022-02-18 20:47:10,194 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:47:10,501 INFO  L134       CoverageAnalysis]: Checked inductivity of 57 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2022-02-18 20:47:10,501 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:47:10,853 INFO  L134       CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2022-02-18 20:47:10,853 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [682237103] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:47:10,853 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:47:10,853 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 12, 12] total 24
[2022-02-18 20:47:10,853 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342202774]
[2022-02-18 20:47:10,853 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:47:10,854 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2022-02-18 20:47:10,854 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:47:10,854 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2022-02-18 20:47:10,854 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552
[2022-02-18 20:47:10,854 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:47:10,854 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:47:10,855 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 24 states, 24 states have (on average 15.666666666666666) internal successors, (376), 24 states have internal predecessors, (376), 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)
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. 
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. 
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. 
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. 
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-18 20:47:10,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:47:22,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:47:22,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:47:22,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:47:22,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:47:22,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:22,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:47:22,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:47:22,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:22,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:47:22,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:47:22,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. 
[2022-02-18 20:47:22,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. 
[2022-02-18 20:47:22,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:47:22,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:47:22,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:47:22,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:47:22,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-02-18 20:47:22,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. 
[2022-02-18 20:47:22,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:47:22,046 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:47:22,063 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0
[2022-02-18 20:47:22,263 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:47:22,263 INFO  L402      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:47:22,263 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:47:22,263 INFO  L85        PathProgramCache]: Analyzing trace with hash -826512866, now seen corresponding path program 5 times
[2022-02-18 20:47:22,263 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:47:22,264 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530907242]
[2022-02-18 20:47:22,264 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:47:22,264 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:47:22,328 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:47:23,250 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:47:23,250 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:47:23,250 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530907242]
[2022-02-18 20:47:23,250 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530907242] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:47:23,250 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692889711]
[2022-02-18 20:47:23,251 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-18 20:47:23,251 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:47:23,251 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:47:23,252 INFO  L229       MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:47:23,254 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process
[2022-02-18 20:47:23,397 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s)
[2022-02-18 20:47:23,397 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:47:23,399 INFO  L263         TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 43 conjunts are in the unsatisfiable core
[2022-02-18 20:47:23,401 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:47:24,980 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-02-18 20:47:24,981 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 21
[2022-02-18 20:47:25,123 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-02-18 20:47:25,123 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 21
[2022-02-18 20:47:25,254 INFO  L353             Elim1Store]: treesize reduction 14, result has 17.6 percent of original size
[2022-02-18 20:47:25,254 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 24 treesize of output 10
[2022-02-18 20:47:25,302 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-18 20:47:25,302 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:47:25,365 WARN  L838   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_860 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_860) c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)) 0))) is different from false
[2022-02-18 20:47:25,398 WARN  L838   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_859 (Array Int Int)) (v_ArrVal_860 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_859) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_860) c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)) 0))) is different from false
[2022-02-18 20:47:25,408 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-18 20:47:25,408 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 167 treesize of output 159
[2022-02-18 20:47:25,411 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 138 treesize of output 126
[2022-02-18 20:47:25,414 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 126 treesize of output 102
[2022-02-18 20:47:26,486 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 1 not checked.
[2022-02-18 20:47:26,486 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692889711] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:47:26,486 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:47:26,486 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 22, 18] total 59
[2022-02-18 20:47:26,486 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251976569]
[2022-02-18 20:47:26,486 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:47:26,487 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 59 states
[2022-02-18 20:47:26,487 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:47:26,487 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants.
[2022-02-18 20:47:26,487 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=2997, Unknown=2, NotChecked=222, Total=3422
[2022-02-18 20:47:26,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:47:26,488 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:47:26,488 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 59 states, 59 states have (on average 7.745762711864407) internal successors, (457), 59 states have internal predecessors, (457), 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)
[2022-02-18 20:47:26,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:47:26,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:47:26,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:47:26,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:47:26,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:26,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:47:26,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:47:26,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:26,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:47:26,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:47:26,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. 
[2022-02-18 20:47:26,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. 
[2022-02-18 20:47:26,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:47:26,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:47:26,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:47:26,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:47:26,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. 
[2022-02-18 20:47:26,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. 
[2022-02-18 20:47:26,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:47:26,489 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:47:26,489 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:47:30,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:47:30,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:47:30,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:47:30,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:47:30,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:30,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:47:30,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:47:30,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:30,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:47:30,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:47:30,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. 
[2022-02-18 20:47:30,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. 
[2022-02-18 20:47:30,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:47:30,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:47:30,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:47:30,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:47:30,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-02-18 20:47:30,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. 
[2022-02-18 20:47:30,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:47:30,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:47:30,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-18 20:47:30,693 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0
[2022-02-18 20:47:30,884 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:47:30,884 INFO  L402      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:47:30,885 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:47:30,885 INFO  L85        PathProgramCache]: Analyzing trace with hash 1218910755, now seen corresponding path program 6 times
[2022-02-18 20:47:30,885 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:47:30,885 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941637221]
[2022-02-18 20:47:30,885 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:47:30,885 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:47:30,920 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:47:33,369 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:47:33,369 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:47:33,369 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941637221]
[2022-02-18 20:47:33,369 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941637221] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:47:33,369 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041795008]
[2022-02-18 20:47:33,369 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-18 20:47:33,369 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:47:33,369 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:47:33,370 INFO  L229       MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:47:33,372 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process
[2022-02-18 20:47:33,518 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s)
[2022-02-18 20:47:33,518 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:47:33,520 INFO  L263         TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 43 conjunts are in the unsatisfiable core
[2022-02-18 20:47:33,523 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:47:35,083 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-02-18 20:47:35,088 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 20
[2022-02-18 20:47:35,192 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-02-18 20:47:35,192 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 20
[2022-02-18 20:47:35,329 INFO  L353             Elim1Store]: treesize reduction 13, result has 18.8 percent of original size
[2022-02-18 20:47:35,330 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 10
[2022-02-18 20:47:35,392 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:47:35,392 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:47:35,914 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-18 20:47:35,915 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 167 treesize of output 159
[2022-02-18 20:47:35,918 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 138 treesize of output 126
[2022-02-18 20:47:35,921 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 126 treesize of output 102
[2022-02-18 20:47:38,488 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:47:38,489 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041795008] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:47:38,489 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:47:38,489 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 26, 26] total 89
[2022-02-18 20:47:38,489 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962366074]
[2022-02-18 20:47:38,489 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:47:38,489 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 89 states
[2022-02-18 20:47:38,490 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:47:38,490 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants.
[2022-02-18 20:47:38,490 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=7460, Unknown=0, NotChecked=0, Total=7832
[2022-02-18 20:47:38,491 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:47:38,491 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:47:38,491 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 89 states, 89 states have (on average 5.887640449438202) internal successors, (524), 89 states have internal predecessors, (524), 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)
[2022-02-18 20:47:38,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:47:38,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:47:38,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:47:38,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:47:38,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:38,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:47:38,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:47:38,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:38,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:47:38,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:47:38,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. 
[2022-02-18 20:47:38,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. 
[2022-02-18 20:47:38,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:47:38,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:47:38,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:47:38,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:47:38,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. 
[2022-02-18 20:47:38,492 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. 
[2022-02-18 20:47:38,492 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:47:38,492 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:47:38,492 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. 
[2022-02-18 20:47:38,492 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:47:51,541 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:47:51,542 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:47:51,542 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:47:51,542 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:47:51,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:51,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:47:51,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:47:51,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:51,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:47:51,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:47:51,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. 
[2022-02-18 20:47:51,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. 
[2022-02-18 20:47:51,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:47:51,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:47:51,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:47:51,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:47:51,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-02-18 20:47:51,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. 
[2022-02-18 20:47:51,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:47:51,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:47:51,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:47:51,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. 
[2022-02-18 20:47:51,560 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0
[2022-02-18 20:47:51,754 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:47:51,755 INFO  L402      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:47:51,764 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:47:51,765 INFO  L85        PathProgramCache]: Analyzing trace with hash -1898727128, now seen corresponding path program 6 times
[2022-02-18 20:47:51,765 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:47:51,765 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106455920]
[2022-02-18 20:47:51,765 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:47:51,765 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:47:51,808 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:47:52,379 INFO  L134       CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2022-02-18 20:47:52,379 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:47:52,380 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106455920]
[2022-02-18 20:47:52,380 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106455920] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:47:52,380 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507046159]
[2022-02-18 20:47:52,380 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-18 20:47:52,380 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:47:52,380 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:47:52,382 INFO  L229       MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:47:52,382 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process
[2022-02-18 20:47:52,530 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s)
[2022-02-18 20:47:52,530 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:47:52,532 INFO  L263         TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 36 conjunts are in the unsatisfiable core
[2022-02-18 20:47:52,535 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:47:53,654 INFO  L353             Elim1Store]: treesize reduction 13, result has 18.8 percent of original size
[2022-02-18 20:47:53,655 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 10
[2022-02-18 20:47:53,715 INFO  L134       CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 30 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2022-02-18 20:47:53,716 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:47:53,884 INFO  L353             Elim1Store]: treesize reduction 8, result has 52.9 percent of original size
[2022-02-18 20:47:53,885 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 18
[2022-02-18 20:47:55,492 INFO  L134       CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2022-02-18 20:47:55,492 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507046159] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:47:55,492 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:47:55,492 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 18, 18] total 57
[2022-02-18 20:47:55,492 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260324950]
[2022-02-18 20:47:55,492 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:47:55,493 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 57 states
[2022-02-18 20:47:55,493 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:47:55,493 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants.
[2022-02-18 20:47:55,493 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=2907, Unknown=0, NotChecked=0, Total=3192
[2022-02-18 20:47:55,494 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:47:55,494 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:47:55,494 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 57 states, 57 states have (on average 8.75438596491228) internal successors, (499), 57 states have internal predecessors, (499), 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)
[2022-02-18 20:47:55,494 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:47:55,494 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:47:55,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:47:55,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:47:55,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:55,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:47:55,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:47:55,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:47:55,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:47:55,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:47:55,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. 
[2022-02-18 20:47:55,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. 
[2022-02-18 20:47:55,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:47:55,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:47:55,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:47:55,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:47:55,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. 
[2022-02-18 20:47:55,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. 
[2022-02-18 20:47:55,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:47:55,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:47:55,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:47:55,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. 
[2022-02-18 20:47:55,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:48:00,226 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. 
[2022-02-18 20:48:00,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-18 20:48:00,246 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0
[2022-02-18 20:48:00,444 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22
[2022-02-18 20:48:00,445 INFO  L402      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:48:00,445 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:48:00,445 INFO  L85        PathProgramCache]: Analyzing trace with hash -698347160, now seen corresponding path program 7 times
[2022-02-18 20:48:00,445 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:48:00,445 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318627111]
[2022-02-18 20:48:00,445 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:48:00,445 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:48:00,506 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:48:01,037 INFO  L134       CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2022-02-18 20:48:01,037 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:48:01,037 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318627111]
[2022-02-18 20:48:01,037 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318627111] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:48:01,038 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482806935]
[2022-02-18 20:48:01,038 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-18 20:48:01,038 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:48:01,038 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:48:01,039 INFO  L229       MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:48:01,040 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process
[2022-02-18 20:48:01,292 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:48:01,295 INFO  L263         TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 33 conjunts are in the unsatisfiable core
[2022-02-18 20:48:01,297 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:48:02,463 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-18 20:48:02,464 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 23
[2022-02-18 20:48:02,654 INFO  L134       CoverageAnalysis]: Checked inductivity of 52 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2022-02-18 20:48:02,654 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:48:02,927 INFO  L353             Elim1Store]: treesize reduction 8, result has 52.9 percent of original size
[2022-02-18 20:48:02,927 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 18
[2022-02-18 20:48:04,653 INFO  L134       CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2022-02-18 20:48:04,654 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482806935] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:48:04,654 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:48:04,654 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 18, 18] total 55
[2022-02-18 20:48:04,654 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033440971]
[2022-02-18 20:48:04,654 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:48:04,655 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 55 states
[2022-02-18 20:48:04,655 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:48:04,656 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants.
[2022-02-18 20:48:04,656 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=358, Invalid=2612, Unknown=0, NotChecked=0, Total=2970
[2022-02-18 20:48:04,656 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:48:04,657 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:48:04,657 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 55 states, 55 states have (on average 8.945454545454545) internal successors, (492), 55 states have internal predecessors, (492), 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)
[2022-02-18 20:48:04,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:48:04,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:48:04,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:48:04,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:48:04,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:48:04,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:48:04,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:48:04,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:48:04,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:48:04,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:48:04,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. 
[2022-02-18 20:48:04,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. 
[2022-02-18 20:48:04,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:48:04,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:48:04,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:48:04,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:48:04,658 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:48:04,658 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. 
[2022-02-18 20:48:04,658 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:48:04,658 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:48:04,658 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:48:04,658 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. 
[2022-02-18 20:48:04,658 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-18 20:48:04,658 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:48:10,014 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:48:10,015 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:48:10,015 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:48:10,015 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:48:10,015 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:48:10,015 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:48:10,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:48:10,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:48:10,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:48:10,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:48:10,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. 
[2022-02-18 20:48:10,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. 
[2022-02-18 20:48:10,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:48:10,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:48:10,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:48:10,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:48:10,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:48:10,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. 
[2022-02-18 20:48:10,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:48:10,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:48:10,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:48:10,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:48:10,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-18 20:48:10,017 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-02-18 20:48:10,039 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0
[2022-02-18 20:48:10,233 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23
[2022-02-18 20:48:10,233 INFO  L402      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:48:10,234 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:48:10,234 INFO  L85        PathProgramCache]: Analyzing trace with hash 1103640308, now seen corresponding path program 8 times
[2022-02-18 20:48:10,234 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:48:10,377 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983693066]
[2022-02-18 20:48:10,377 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:48:10,377 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:48:10,426 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:48:11,691 INFO  L134       CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:48:11,691 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:48:11,691 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983693066]
[2022-02-18 20:48:11,691 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983693066] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:48:11,691 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500375991]
[2022-02-18 20:48:11,691 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-18 20:48:11,691 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:48:11,691 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:48:11,692 INFO  L229       MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:48:11,693 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process
[2022-02-18 20:48:11,860 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-18 20:48:11,860 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:48:11,862 INFO  L263         TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 34 conjunts are in the unsatisfiable core
[2022-02-18 20:48:11,865 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:48:12,879 INFO  L353             Elim1Store]: treesize reduction 13, result has 18.8 percent of original size
[2022-02-18 20:48:12,880 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 24 treesize of output 11
[2022-02-18 20:48:12,903 INFO  L134       CoverageAnalysis]: Checked inductivity of 79 backedges. 6 proven. 41 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2022-02-18 20:48:12,903 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:48:13,110 INFO  L353             Elim1Store]: treesize reduction 8, result has 52.9 percent of original size
[2022-02-18 20:48:13,110 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 17
[2022-02-18 20:48:14,679 INFO  L134       CoverageAnalysis]: Checked inductivity of 79 backedges. 3 proven. 44 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2022-02-18 20:48:14,680 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500375991] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:48:14,680 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:48:14,680 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 19, 19] total 77
[2022-02-18 20:48:14,680 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088793582]
[2022-02-18 20:48:14,680 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:48:14,681 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 77 states
[2022-02-18 20:48:14,681 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:48:14,681 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants.
[2022-02-18 20:48:14,682 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=558, Invalid=5294, Unknown=0, NotChecked=0, Total=5852
[2022-02-18 20:48:14,682 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:48:14,682 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:48:14,682 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 77 states, 77 states have (on average 7.077922077922078) internal successors, (545), 77 states have internal predecessors, (545), 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)
[2022-02-18 20:48:14,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:48:14,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:48:14,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:48:14,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:48:14,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:48:14,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:48:14,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:48:14,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:48:14,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:48:14,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:48:14,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. 
[2022-02-18 20:48:14,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. 
[2022-02-18 20:48:14,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:48:14,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:48:14,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:48:14,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:48:14,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:48:14,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. 
[2022-02-18 20:48:14,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:48:14,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:48:14,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:48:14,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:48:14,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-18 20:48:14,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. 
[2022-02-18 20:48:14,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:48:19,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-02-18 20:48:19,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. 
[2022-02-18 20:48:19,129 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0
[2022-02-18 20:48:19,326 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:48:19,327 INFO  L402      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:48:19,327 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:48:19,327 INFO  L85        PathProgramCache]: Analyzing trace with hash 1732564519, now seen corresponding path program 9 times
[2022-02-18 20:48:19,327 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:48:19,327 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135333125]
[2022-02-18 20:48:19,327 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:48:19,327 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:48:19,378 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:48:24,957 INFO  L134       CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:48:24,957 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:48:24,957 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135333125]
[2022-02-18 20:48:24,957 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135333125] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:48:24,957 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393235711]
[2022-02-18 20:48:24,957 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-18 20:48:24,957 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:48:24,957 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:48:24,958 INFO  L229       MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:48:24,959 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process
[2022-02-18 20:48:25,233 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2022-02-18 20:48:25,233 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:48:25,236 INFO  L263         TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 95 conjunts are in the unsatisfiable core
[2022-02-18 20:48:25,239 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:48:33,484 INFO  L353             Elim1Store]: treesize reduction 514, result has 2.5 percent of original size
[2022-02-18 20:48:33,488 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 89 treesize of output 35
[2022-02-18 20:48:34,683 INFO  L134       CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2022-02-18 20:48:34,683 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:48:55,938 INFO  L353             Elim1Store]: treesize reduction 149, result has 70.8 percent of original size
[2022-02-18 20:48:55,939 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 145 treesize of output 423
[2022-02-18 20:49:44,844 INFO  L134       CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2022-02-18 20:49:44,844 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393235711] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:49:44,844 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:49:44,844 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 40, 40] total 141
[2022-02-18 20:49:44,845 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252420680]
[2022-02-18 20:49:44,845 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:49:44,845 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 141 states
[2022-02-18 20:49:44,845 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:49:44,846 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants.
[2022-02-18 20:49:44,847 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1470, Invalid=18266, Unknown=4, NotChecked=0, Total=19740
[2022-02-18 20:49:44,847 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:49:44,847 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:49:44,848 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 141 states, 141 states have (on average 4.23404255319149) internal successors, (597), 141 states have internal predecessors, (597), 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)
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. 
[2022-02-18 20:49:44,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:50:25,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:50:25,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:50:25,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:50:25,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:50:25,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:50:25,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:50:25,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:50:25,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:50:25,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:50:25,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:50:25,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. 
[2022-02-18 20:50:25,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. 
[2022-02-18 20:50:25,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:50:25,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:50:25,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:50:25,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:50:25,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:50:25,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. 
[2022-02-18 20:50:25,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:50:25,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:50:25,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:50:25,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:50:25,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-18 20:50:25,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-02-18 20:50:25,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. 
[2022-02-18 20:50:25,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. 
[2022-02-18 20:50:25,769 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0
[2022-02-18 20:50:25,963 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:50:25,964 INFO  L402      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:50:25,964 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:50:25,964 INFO  L85        PathProgramCache]: Analyzing trace with hash -119882028, now seen corresponding path program 10 times
[2022-02-18 20:50:25,964 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:50:25,964 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198097859]
[2022-02-18 20:50:25,964 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:50:25,964 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:50:26,043 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:50:26,395 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked.
[2022-02-18 20:50:26,395 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:50:26,396 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198097859]
[2022-02-18 20:50:26,396 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198097859] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:50:26,396 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734797861]
[2022-02-18 20:50:26,396 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-18 20:50:26,396 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:50:26,396 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:50:26,403 INFO  L229       MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:50:26,439 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process
[2022-02-18 20:50:26,607 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-18 20:50:26,607 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:50:26,608 INFO  L263         TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 12 conjunts are in the unsatisfiable core
[2022-02-18 20:50:26,610 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:50:26,983 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked.
[2022-02-18 20:50:26,983 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:50:27,724 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 18 proven. 30 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked.
[2022-02-18 20:50:27,724 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [734797861] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:50:27,724 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:50:27,724 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 6, 9] total 28
[2022-02-18 20:50:27,724 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317696768]
[2022-02-18 20:50:27,724 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:50:27,725 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2022-02-18 20:50:27,725 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:50:27,725 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2022-02-18 20:50:27,725 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=639, Unknown=0, NotChecked=0, Total=756
[2022-02-18 20:50:27,725 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:50:27,725 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:50:27,726 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 28 states, 28 states have (on average 18.392857142857142) internal successors, (515), 28 states have internal predecessors, (515), 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)
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. 
[2022-02-18 20:50:27,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. 
[2022-02-18 20:50:27,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. 
[2022-02-18 20:50:27,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:50:30,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:50:30,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:50:30,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:50:30,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:50:30,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:50:30,918 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. 
[2022-02-18 20:50:30,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2022-02-18 20:50:30,939 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0
[2022-02-18 20:50:31,123 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26
[2022-02-18 20:50:31,123 INFO  L402      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:50:31,124 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:50:31,124 INFO  L85        PathProgramCache]: Analyzing trace with hash -308332682, now seen corresponding path program 11 times
[2022-02-18 20:50:31,124 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:50:31,124 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603165732]
[2022-02-18 20:50:31,124 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:50:31,124 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:50:31,144 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:50:31,260 INFO  L134       CoverageAnalysis]: Checked inductivity of 161 backedges. 33 proven. 69 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked.
[2022-02-18 20:50:31,260 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:50:31,260 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603165732]
[2022-02-18 20:50:31,261 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603165732] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:50:31,261 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941331686]
[2022-02-18 20:50:31,261 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-18 20:50:31,261 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:50:31,261 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:50:31,262 INFO  L229       MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:50:31,263 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process
[2022-02-18 20:50:31,495 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s)
[2022-02-18 20:50:31,495 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:50:31,498 INFO  L263         TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 21 conjunts are in the unsatisfiable core
[2022-02-18 20:50:31,500 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:50:32,519 INFO  L134       CoverageAnalysis]: Checked inductivity of 161 backedges. 86 proven. 27 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2022-02-18 20:50:32,519 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:50:33,845 INFO  L134       CoverageAnalysis]: Checked inductivity of 161 backedges. 69 proven. 44 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2022-02-18 20:50:33,845 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [941331686] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:50:33,845 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:50:33,845 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18, 18] total 47
[2022-02-18 20:50:33,845 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597453228]
[2022-02-18 20:50:33,845 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:50:33,846 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 47 states
[2022-02-18 20:50:33,846 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:50:33,846 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants.
[2022-02-18 20:50:33,847 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=330, Invalid=1832, Unknown=0, NotChecked=0, Total=2162
[2022-02-18 20:50:33,847 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:50:33,847 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:50:33,847 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 47 states, 47 states have (on average 11.425531914893616) internal successors, (537), 47 states have internal predecessors, (537), 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)
[2022-02-18 20:50:33,847 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:50:33,847 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:50:33,847 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:50:33,847 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:50:33,847 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:50:33,847 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:50:33,847 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:50:33,847 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:50:33,847 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:50:33,847 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:50:33,847 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. 
[2022-02-18 20:50:33,847 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. 
[2022-02-18 20:50:33,847 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:50:33,847 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:50:33,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:50:33,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:50:33,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:50:33,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. 
[2022-02-18 20:50:33,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:50:33,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:50:33,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:50:33,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:50:33,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-18 20:50:33,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. 
[2022-02-18 20:50:33,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. 
[2022-02-18 20:50:33,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. 
[2022-02-18 20:50:33,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2022-02-18 20:50:33,848 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:50:35,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:50:35,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:50:35,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:50:35,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:50:35,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:50:35,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:50:35,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:50:35,473 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0
[2022-02-18 20:50:35,660 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27
[2022-02-18 20:50:35,660 INFO  L402      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:50:35,660 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:50:35,661 INFO  L85        PathProgramCache]: Analyzing trace with hash 205728066, now seen corresponding path program 12 times
[2022-02-18 20:50:35,661 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:50:35,661 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580002173]
[2022-02-18 20:50:35,661 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:50:35,661 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:50:35,699 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:50:35,815 INFO  L134       CoverageAnalysis]: Checked inductivity of 102 backedges. 16 proven. 29 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked.
[2022-02-18 20:50:35,815 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:50:35,815 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580002173]
[2022-02-18 20:50:35,815 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580002173] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:50:35,815 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44289951]
[2022-02-18 20:50:35,815 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-18 20:50:35,815 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:50:35,815 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:50:35,816 INFO  L229       MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:50:35,817 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process
[2022-02-18 20:50:35,995 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s)
[2022-02-18 20:50:35,996 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:50:35,998 INFO  L263         TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 15 conjunts are in the unsatisfiable core
[2022-02-18 20:50:36,000 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:50:36,528 INFO  L134       CoverageAnalysis]: Checked inductivity of 102 backedges. 21 proven. 24 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked.
[2022-02-18 20:50:36,528 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:50:37,095 INFO  L134       CoverageAnalysis]: Checked inductivity of 102 backedges. 6 proven. 39 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked.
[2022-02-18 20:50:37,095 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [44289951] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:50:37,095 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:50:37,095 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37
[2022-02-18 20:50:37,095 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535279961]
[2022-02-18 20:50:37,095 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:50:37,096 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 37 states
[2022-02-18 20:50:37,096 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:50:37,096 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants.
[2022-02-18 20:50:37,096 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1097, Unknown=0, NotChecked=0, Total=1332
[2022-02-18 20:50:37,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:50:37,096 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:50:37,096 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 37 states, 37 states have (on average 8.621621621621621) internal successors, (319), 37 states have internal predecessors, (319), 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)
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. 
[2022-02-18 20:50:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:50:37,098 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:50:37,098 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:50:44,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:50:44,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:50:44,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:50:44,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:50:44,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:50:44,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:50:44,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:50:44,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:50:44,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:50:44,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:50:44,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. 
[2022-02-18 20:50:44,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. 
[2022-02-18 20:50:44,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:50:44,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:50:44,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:50:44,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:50:44,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:50:44,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. 
[2022-02-18 20:50:44,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:50:44,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:50:44,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:50:44,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:50:44,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-18 20:50:44,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:50:44,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. 
[2022-02-18 20:50:44,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. 
[2022-02-18 20:50:44,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:50:44,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-18 20:50:44,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. 
[2022-02-18 20:50:44,354 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0
[2022-02-18 20:50:44,553 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28
[2022-02-18 20:50:44,553 INFO  L402      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:50:44,554 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:50:44,554 INFO  L85        PathProgramCache]: Analyzing trace with hash 1617000902, now seen corresponding path program 13 times
[2022-02-18 20:50:44,554 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:50:44,554 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918753182]
[2022-02-18 20:50:44,554 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:50:44,554 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:50:44,677 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:50:51,447 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:50:51,447 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:50:51,448 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918753182]
[2022-02-18 20:50:51,448 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918753182] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:50:51,448 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090689279]
[2022-02-18 20:50:51,448 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-18 20:50:51,448 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:50:51,448 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:50:51,449 INFO  L229       MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:50:51,450 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process
[2022-02-18 20:50:51,619 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:50:51,622 INFO  L263         TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 111 conjunts are in the unsatisfiable core
[2022-02-18 20:50:51,625 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:50:57,159 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-02-18 20:50:57,167 INFO  L353             Elim1Store]: treesize reduction 19, result has 32.1 percent of original size
[2022-02-18 20:50:57,167 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 45
[2022-02-18 20:50:57,178 INFO  L353             Elim1Store]: treesize reduction 14, result has 17.6 percent of original size
[2022-02-18 20:50:57,181 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 28 treesize of output 18
[2022-02-18 20:50:57,818 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 7
[2022-02-18 20:50:58,720 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:50:58,720 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:51:01,212 WARN  L838   $PredicateComparison]: unable to prove that (or (let ((.cse0 (* c_~C~0 2)) (.cse1 (mod (+ c_~C~0 c_~x~0) 4294967296))) (and (= (mod (+ .cse0 c_~z~0) 4294967296) .cse1) (forall ((v_ArrVal_1351 (Array Int Int))) (= c_~N~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1351) c_~q2~0.base) (+ c_~q2~0.offset (* c_~q2_front~0 4))))) (= (mod (+ c_~y~0 .cse0) 4294967296) .cse1))) (not (= (select (select |c_#memory_int| c_~q2~0.base) (+ (* c_~q2_back~0 4) c_~q2~0.offset)) (select (select |c_#memory_int| c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)))) (< c_~q2_back~0 0) (not (<= 0 c_~q1_back~0)) (not (< c_~q1_back~0 c_~n1~0)) (<= c_~n2~0 (+ c_~q2_back~0 1))) is different from false
[2022-02-18 20:51:01,247 WARN  L838   $PredicateComparison]: unable to prove that (or (let ((.cse0 (* c_~C~0 2)) (.cse1 (mod (+ c_~C~0 c_~x~0) 4294967296))) (and (= (mod (+ .cse0 c_~z~0) 4294967296) .cse1) (forall ((v_ArrVal_1351 (Array Int Int))) (= c_~N~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1351) c_~q2~0.base) (+ c_~q2~0.offset (* c_~q2_front~0 4))))) (= (mod (+ c_~y~0 .cse0) 4294967296) .cse1))) (not (= (select (select |c_#memory_int| c_~q2~0.base) (+ (* c_~q2_back~0 4) c_~q2~0.offset)) (select (select |c_#memory_int| c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)))) (< c_~q2_back~0 0) (not (<= 0 c_~q1_back~0)) (not (< c_~q1_back~0 c_~n1~0)) (< |c_thread1Thread1of1ForFork0_~i~0#1| c_~N~0) (<= c_~n2~0 (+ c_~q2_back~0 1))) is different from false
[2022-02-18 20:51:01,302 WARN  L838   $PredicateComparison]: unable to prove that (or (let ((.cse0 (* c_~C~0 2)) (.cse1 (mod (+ c_~C~0 c_~x~0) 4294967296))) (and (= (mod (+ .cse0 c_~z~0) 4294967296) .cse1) (forall ((v_ArrVal_1351 (Array Int Int))) (= c_~N~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1351) c_~q2~0.base) (+ c_~q2~0.offset (* c_~q2_front~0 4))))) (= (mod (+ c_~y~0 .cse0) 4294967296) .cse1))) (not (= (select (select |c_#memory_int| c_~q2~0.base) (+ (* c_~q2_back~0 4) c_~q2~0.offset)) (select (select |c_#memory_int| c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)))) (< c_~q2_back~0 0) (not (<= 0 c_~q1_back~0)) (< (+ |c_thread1Thread1of1ForFork0_#t~post1#1| 1) c_~N~0) (not (< c_~q1_back~0 c_~n1~0)) (<= c_~n2~0 (+ c_~q2_back~0 1))) is different from false
[2022-02-18 20:51:01,325 WARN  L838   $PredicateComparison]: unable to prove that (or (let ((.cse0 (* c_~C~0 2)) (.cse1 (mod (+ c_~C~0 c_~x~0) 4294967296))) (and (= (mod (+ .cse0 c_~z~0) 4294967296) .cse1) (forall ((v_ArrVal_1351 (Array Int Int))) (= c_~N~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1351) c_~q2~0.base) (+ c_~q2~0.offset (* c_~q2_front~0 4))))) (= (mod (+ c_~y~0 .cse0) 4294967296) .cse1))) (not (= (select (select |c_#memory_int| c_~q2~0.base) (+ (* c_~q2_back~0 4) c_~q2~0.offset)) (select (select |c_#memory_int| c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)))) (< c_~q2_back~0 0) (< (+ |c_thread1Thread1of1ForFork0_~i~0#1| 1) c_~N~0) (not (<= 0 c_~q1_back~0)) (not (< c_~q1_back~0 c_~n1~0)) (<= c_~n2~0 (+ c_~q2_back~0 1))) is different from false
[2022-02-18 20:51:01,348 WARN  L838   $PredicateComparison]: unable to prove that (or (not (= (select (select |c_#memory_int| c_~q2~0.base) (+ (* c_~q2_back~0 4) c_~q2~0.offset)) (select (select |c_#memory_int| c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)))) (< c_~q2_back~0 0) (< (+ |c_thread1Thread1of1ForFork0_~i~0#1| 1) c_~N~0) (not (<= 0 c_~q1_back~0)) (not (< c_~q1_back~0 c_~n1~0)) (and (forall ((~C~0 Int)) (let ((.cse0 (* 2 ~C~0))) (= (mod (+ c_~x~0 .cse0) 4294967296) (mod (+ c_~y~0 .cse0) 4294967296)))) (forall ((~C~0 Int)) (let ((.cse1 (* 2 ~C~0))) (= (mod (+ c_~x~0 .cse1) 4294967296) (mod (+ .cse1 c_~z~0) 4294967296)))) (forall ((v_ArrVal_1351 (Array Int Int))) (= c_~N~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1351) c_~q2~0.base) (+ c_~q2~0.offset (* c_~q2_front~0 4)))))) (<= c_~n2~0 (+ c_~q2_back~0 1))) is different from false
[2022-02-18 20:51:01,398 INFO  L353             Elim1Store]: treesize reduction 27, result has 75.2 percent of original size
[2022-02-18 20:51:01,399 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 94 treesize of output 143
[2022-02-18 20:51:01,404 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 53 treesize of output 47
[2022-02-18 20:51:15,487 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked.
[2022-02-18 20:51:15,488 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090689279] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:51:15,488 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:51:15,488 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 57, 57] total 165
[2022-02-18 20:51:15,488 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555815580]
[2022-02-18 20:51:15,488 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:51:15,489 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 165 states
[2022-02-18 20:51:15,489 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:51:15,489 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants.
[2022-02-18 20:51:15,490 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1293, Invalid=24158, Unknown=9, NotChecked=1600, Total=27060
[2022-02-18 20:51:15,490 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:51:15,490 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:51:15,491 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 165 states, 165 states have (on average 3.6484848484848484) internal successors, (602), 165 states have internal predecessors, (602), 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)
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:51:15,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:51:15,492 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:51:15,492 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-18 20:51:15,492 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:51:15,492 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. 
[2022-02-18 20:51:15,492 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. 
[2022-02-18 20:51:15,492 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:51:15,492 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-18 20:51:15,492 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. 
[2022-02-18 20:51:15,492 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:51:32,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-18 20:51:32,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. 
[2022-02-18 20:51:32,338 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. 
[2022-02-18 20:51:32,338 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:51:32,338 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-18 20:51:32,338 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. 
[2022-02-18 20:51:32,342 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. 
[2022-02-18 20:51:32,369 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0
[2022-02-18 20:51:32,542 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:51:32,543 INFO  L402      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:51:32,543 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:51:32,543 INFO  L85        PathProgramCache]: Analyzing trace with hash 778268511, now seen corresponding path program 14 times
[2022-02-18 20:51:32,543 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:51:32,543 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015485898]
[2022-02-18 20:51:32,543 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:51:32,543 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:51:32,613 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:51:39,089 INFO  L134       CoverageAnalysis]: Checked inductivity of 89 backedges. 4 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:51:39,089 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:51:39,089 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015485898]
[2022-02-18 20:51:39,089 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015485898] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:51:39,089 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996053278]
[2022-02-18 20:51:39,089 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-18 20:51:39,089 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:51:39,089 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:51:39,090 INFO  L229       MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:51:39,093 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process
[2022-02-18 20:51:39,390 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-18 20:51:39,390 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:51:39,394 INFO  L263         TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 147 conjunts are in the unsatisfiable core
[2022-02-18 20:51:39,398 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:51:43,041 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2022-02-18 20:51:43,368 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2022-02-18 20:51:43,709 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2022-02-18 20:51:44,781 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2022-02-18 20:51:44,959 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2022-02-18 20:51:50,391 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-02-18 20:51:50,400 INFO  L353             Elim1Store]: treesize reduction 19, result has 32.1 percent of original size
[2022-02-18 20:51:50,400 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 64
[2022-02-18 20:51:50,414 INFO  L353             Elim1Store]: treesize reduction 48, result has 5.9 percent of original size
[2022-02-18 20:51:50,414 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 47 treesize of output 24
[2022-02-18 20:51:52,388 INFO  L353             Elim1Store]: treesize reduction 48, result has 5.9 percent of original size
[2022-02-18 20:51:52,393 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 47 treesize of output 16
[2022-02-18 20:51:53,549 INFO  L134       CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:51:53,550 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:54:12,724 INFO  L353             Elim1Store]: treesize reduction 96, result has 39.6 percent of original size
[2022-02-18 20:54:12,724 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 519 treesize of output 295
[2022-02-18 20:54:13,916 INFO  L353             Elim1Store]: treesize reduction 153, result has 84.5 percent of original size
[2022-02-18 20:54:13,917 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 2041 treesize of output 2622
[2022-02-18 20:54:14,003 INFO  L353             Elim1Store]: treesize reduction 24, result has 52.9 percent of original size
[2022-02-18 20:54:14,004 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2622 treesize of output 2448
[2022-02-18 20:54:14,461 INFO  L353             Elim1Store]: treesize reduction 96, result has 79.3 percent of original size
[2022-02-18 20:54:14,462 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 2448 treesize of output 2470
[2022-02-18 20:54:14,912 INFO  L353             Elim1Store]: treesize reduction 96, result has 79.3 percent of original size
[2022-02-18 20:54:14,913 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 2470 treesize of output 2664
Received shutdown request...
[2022-02-18 20:57:31,187 WARN  L244               SmtUtils]: Removed 2 from assertion stack
[2022-02-18 20:57:31,189 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining)
[2022-02-18 20:57:31,194 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2022-02-18 20:57:31,194 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2022-02-18 20:57:31,194 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2022-02-18 20:57:31,200 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0
[2022-02-18 20:57:31,402 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:57:31,403 WARN  L594      AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 245 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 27ms..
[2022-02-18 20:57:31,404 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining)
[2022-02-18 20:57:31,404 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining)
[2022-02-18 20:57:31,404 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining)
[2022-02-18 20:57:31,408 INFO  L732         BasicCegarLoop]: Path program histogram: [14, 6, 4, 2, 1, 1, 1, 1, 1]
[2022-02-18 20:57:31,409 INFO  L230   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-18 20:57:31,409 INFO  L180   ceAbstractionStarter]: Computing trace abstraction results
[2022-02-18 20:57:31,410 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 08:57:31 BasicIcfg
[2022-02-18 20:57:31,411 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-18 20:57:31,411 INFO  L158              Benchmark]: Toolchain (without parser) took 857075.09ms. Allocated memory was 221.2MB in the beginning and 4.5GB in the end (delta: 4.3GB). Free memory was 165.8MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB.
[2022-02-18 20:57:31,411 INFO  L158              Benchmark]: CDTParser took 0.13ms. Allocated memory is still 221.2MB. Free memory is still 182.5MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-18 20:57:31,411 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 211.89ms. Allocated memory is still 221.2MB. Free memory was 165.6MB in the beginning and 192.7MB in the end (delta: -27.1MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB.
[2022-02-18 20:57:31,411 INFO  L158              Benchmark]: Boogie Procedure Inliner took 29.87ms. Allocated memory is still 221.2MB. Free memory was 192.7MB in the beginning and 190.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2022-02-18 20:57:31,411 INFO  L158              Benchmark]: Boogie Preprocessor took 39.21ms. Allocated memory is still 221.2MB. Free memory was 190.1MB in the beginning and 188.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-18 20:57:31,411 INFO  L158              Benchmark]: RCFGBuilder took 530.95ms. Allocated memory is still 221.2MB. Free memory was 188.0MB in the beginning and 159.2MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB.
[2022-02-18 20:57:31,412 INFO  L158              Benchmark]: TraceAbstraction took 856253.78ms. Allocated memory was 221.2MB in the beginning and 4.5GB in the end (delta: 4.3GB). Free memory was 158.6MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB.
[2022-02-18 20:57:31,412 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.13ms. Allocated memory is still 221.2MB. Free memory is still 182.5MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 211.89ms. Allocated memory is still 221.2MB. Free memory was 165.6MB in the beginning and 192.7MB in the end (delta: -27.1MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 29.87ms. Allocated memory is still 221.2MB. Free memory was 192.7MB in the beginning and 190.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 39.21ms. Allocated memory is still 221.2MB. Free memory was 190.1MB in the beginning and 188.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 530.95ms. Allocated memory is still 221.2MB. Free memory was 188.0MB in the beginning and 159.2MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB.
 * TraceAbstraction took 856253.78ms. Allocated memory was 221.2MB in the beginning and 4.5GB in the end (delta: 4.3GB). Free memory was 158.6MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 988536, positive: 862914, positive conditional: 862914, positive unconditional: 0, negative: 125622, negative conditional: 125622, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 863176, positive: 862914, positive conditional: 862914, positive unconditional: 0, negative: 262, negative conditional: 262, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 863176, positive: 862914, positive conditional: 862914, positive unconditional: 0, negative: 262, negative conditional: 262, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 867265, positive: 862914, positive conditional: 862600, positive unconditional: 314, negative: 4351, negative conditional: 4089, negative unconditional: 262, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 867265, positive: 862914, positive conditional: 161069, positive unconditional: 701845, negative: 4351, negative conditional: 2469, negative unconditional: 1882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 867265, positive: 862914, positive conditional: 161069, positive unconditional: 701845, negative: 4351, negative conditional: 2469, negative unconditional: 1882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1742, positive: 1355, positive conditional: 358, positive unconditional: 997, negative: 387, negative conditional: 379, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1742, positive: 1247, positive conditional: 0, positive unconditional: 1247, negative: 495, negative conditional: 0, negative unconditional: 495, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 495, positive: 108, positive conditional: 105, positive unconditional: 3, negative: 385, negative conditional: 377, negative unconditional: 8, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 971, positive: 260, positive conditional: 252, positive unconditional: 7, negative: 695, negative conditional: 678, negative unconditional: 17, unknown: 17, unknown conditional: 17, unknown unconditional: 0]  ], Cache Queries: [ total: 867265, positive: 861559, positive conditional: 160711, positive unconditional: 700848, negative: 3964, negative conditional: 2090, negative unconditional: 1874, unknown: 1742, unknown conditional: 737, unknown unconditional: 1005] , Statistics on independence cache: Total cache size (in pairs): 1742, Positive cache size: 1355, Positive conditional cache size: 358, Positive unconditional cache size: 997, Negative cache size: 387, Negative conditional cache size: 379, Negative unconditional cache size: 8, Eliminated conditions: 703151, Maximal queried relation: 22, Independence queries for same thread: 125360
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - TimeoutResultAtElement [Line: 135]: Timeout (TraceAbstraction)
    Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 245 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 27ms..
  - TimeoutResultAtElement [Line: 128]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 245 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 27ms..
  - TimeoutResultAtElement [Line: 129]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 245 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 27ms..
  - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 245 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 27ms..
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 7 procedures, 242 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 856.1s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 14, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 261.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1499, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 224.1s InterpolantComputationTime, 11908 NumberOfCodeBlocks, 11821 NumberOfCodeBlocksAsserted, 88 NumberOfCheckSat, 17055 ConstructedInterpolants, 934 QuantifiedInterpolants, 279377 SizeOfPredicates, 565 NumberOfNonLiveVariables, 13332 ConjunctsInSsa, 932 ConjunctsInUnsatCore, 80 InterpolantComputations, 6 PerfectInterpolantSequences, 1687/3409 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: Timeout
Completed graceful shutdown