/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stack_longer-2.i


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


This is Ultimate 0.2.2-wip.dk.orders-218013a
[2023-05-04 07:44:53,113 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-05-04 07:44:53,114 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-05-04 07:44:53,143 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-05-04 07:44:53,143 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-05-04 07:44:53,147 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-05-04 07:44:53,149 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-05-04 07:44:53,152 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2023-05-04 07:44:53,155 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-05-04 07:44:53,156 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2023-05-04 07:44:53,157 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2023-05-04 07:44:53,158 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-05-04 07:44:53,158 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-05-04 07:44:53,159 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-05-04 07:44:53,159 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-05-04 07:44:53,160 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-05-04 07:44:53,161 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-05-04 07:44:53,162 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-05-04 07:44:53,164 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-05-04 07:44:53,167 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-05-04 07:44:53,168 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-05-04 07:44:53,171 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-05-04 07:44:53,172 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-05-04 07:44:53,173 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-05-04 07:44:53,181 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-05-04 07:44:53,182 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-05-04 07:44:53,182 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-05-04 07:44:53,183 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-05-04 07:44:53,184 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-05-04 07:44:53,184 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-05-04 07:44:53,185 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-05-04 07:44:53,186 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-05-04 07:44:53,187 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-05-04 07:44:53,188 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-05-04 07:44:53,189 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-05-04 07:44:53,189 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2023-05-04 07:44:53,190 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2023-05-04 07:44:53,190 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2023-05-04 07:44:53,190 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2023-05-04 07:44:53,191 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2023-05-04 07:44:53,191 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-05-04 07:44:53,192 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf
[2023-05-04 07:44:53,228 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-05-04 07:44:53,229 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-05-04 07:44:53,229 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-05-04 07:44:53,229 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-05-04 07:44:53,230 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-05-04 07:44:53,230 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-05-04 07:44:53,231 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-05-04 07:44:53,231 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2023-05-04 07:44:53,231 INFO  L138        SettingsManager]:  * Use SBE=true
[2023-05-04 07:44:53,232 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-05-04 07:44:53,232 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-05-04 07:44:53,233 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-05-04 07:44:53,233 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-05-04 07:44:53,233 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-05-04 07:44:53,233 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-05-04 07:44:53,233 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-05-04 07:44:53,233 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-05-04 07:44:53,233 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-05-04 07:44:53,234 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-05-04 07:44:53,234 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-05-04 07:44:53,234 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-05-04 07:44:53,234 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-05-04 07:44:53,234 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-05-04 07:44:53,234 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2023-05-04 07:44:53,234 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-05-04 07:44:53,235 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-05-04 07:44:53,235 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-05-04 07:44:53,235 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-05-04 07:44:53,235 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-05-04 07:44:53,235 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-05-04 07:44:53,235 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2023-05-04 07:44:53,236 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-05-04 07:44:53,236 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-05-04 07:44:53,236 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-05-04 07:44:53,236 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-05-04 07:44:53,236 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2023-05-04 07:44:53,237 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE
[2023-05-04 07:44:53,490 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-05-04 07:44:53,518 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-05-04 07:44:53,522 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-05-04 07:44:53,523 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-05-04 07:44:53,524 INFO  L275        PluginConnector]: CDTParser initialized
[2023-05-04 07:44:53,525 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-2.i
[2023-05-04 07:44:53,579 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b4a2bd11/edd204d29c5f4bf099bb669bf1a66516/FLAG89feef7eb
[2023-05-04 07:44:54,092 INFO  L306              CDTParser]: Found 1 translation units.
[2023-05-04 07:44:54,093 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i
[2023-05-04 07:44:54,116 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b4a2bd11/edd204d29c5f4bf099bb669bf1a66516/FLAG89feef7eb
[2023-05-04 07:44:54,398 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b4a2bd11/edd204d29c5f4bf099bb669bf1a66516
[2023-05-04 07:44:54,401 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-05-04 07:44:54,402 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-05-04 07:44:54,404 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-05-04 07:44:54,404 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-05-04 07:44:54,407 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-05-04 07:44:54,408 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:44:54" (1/1) ...
[2023-05-04 07:44:54,430 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d50b7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:44:54, skipping insertion in model container
[2023-05-04 07:44:54,431 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:44:54" (1/1) ...
[2023-05-04 07:44:54,437 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-05-04 07:44:54,492 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-05-04 07:44:54,873 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i[41529,41542]
[2023-05-04 07:44:54,904 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-05-04 07:44:54,917 INFO  L203         MainTranslator]: Completed pre-run
[2023-05-04 07:44:54,955 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i[41529,41542]
[2023-05-04 07:44:54,963 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-05-04 07:44:55,011 INFO  L208         MainTranslator]: Completed translation
[2023-05-04 07:44:55,011 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:44:55 WrapperNode
[2023-05-04 07:44:55,011 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-05-04 07:44:55,012 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-05-04 07:44:55,012 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-05-04 07:44:55,012 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2023-05-04 07:44:55,019 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:44:55" (1/1) ...
[2023-05-04 07:44:55,052 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:44:55" (1/1) ...
[2023-05-04 07:44:55,086 INFO  L138                Inliner]: procedures = 277, calls = 40, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 150
[2023-05-04 07:44:55,086 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-05-04 07:44:55,087 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-05-04 07:44:55,087 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-05-04 07:44:55,087 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-05-04 07:44:55,095 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:44:55" (1/1) ...
[2023-05-04 07:44:55,095 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:44:55" (1/1) ...
[2023-05-04 07:44:55,099 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:44:55" (1/1) ...
[2023-05-04 07:44:55,100 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:44:55" (1/1) ...
[2023-05-04 07:44:55,106 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:44:55" (1/1) ...
[2023-05-04 07:44:55,109 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:44:55" (1/1) ...
[2023-05-04 07:44:55,111 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:44:55" (1/1) ...
[2023-05-04 07:44:55,112 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:44:55" (1/1) ...
[2023-05-04 07:44:55,114 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-05-04 07:44:55,115 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-05-04 07:44:55,115 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-05-04 07:44:55,115 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-05-04 07:44:55,116 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:44:55" (1/1) ...
[2023-05-04 07:44:55,121 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-05-04 07:44:55,134 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 07:44:55,154 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-05-04 07:44:55,177 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-05-04 07:44:55,192 INFO  L130     BoogieDeclarations]: Found specification of procedure t1
[2023-05-04 07:44:55,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1
[2023-05-04 07:44:55,192 INFO  L130     BoogieDeclarations]: Found specification of procedure t2
[2023-05-04 07:44:55,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2
[2023-05-04 07:44:55,192 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-05-04 07:44:55,193 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-05-04 07:44:55,193 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-05-04 07:44:55,193 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-05-04 07:44:55,193 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-05-04 07:44:55,193 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-05-04 07:44:55,193 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-05-04 07:44:55,193 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-05-04 07:44:55,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-05-04 07:44:55,194 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2023-05-04 07:44:55,382 INFO  L235             CfgBuilder]: Building ICFG
[2023-05-04 07:44:55,384 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-05-04 07:44:55,610 INFO  L276             CfgBuilder]: Performing block encoding
[2023-05-04 07:44:55,618 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-05-04 07:44:55,618 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2023-05-04 07:44:55,620 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:44:55 BoogieIcfgContainer
[2023-05-04 07:44:55,620 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-05-04 07:44:55,635 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-05-04 07:44:55,635 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-05-04 07:44:55,639 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-05-04 07:44:55,639 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 07:44:54" (1/3) ...
[2023-05-04 07:44:55,639 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c14688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:44:55, skipping insertion in model container
[2023-05-04 07:44:55,640 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:44:55" (2/3) ...
[2023-05-04 07:44:55,640 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c14688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:44:55, skipping insertion in model container
[2023-05-04 07:44:55,640 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:44:55" (3/3) ...
[2023-05-04 07:44:55,641 INFO  L112   eAbstractionObserver]: Analyzing ICFG stack_longer-2.i
[2023-05-04 07:44:55,648 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-05-04 07:44:55,657 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-05-04 07:44:55,658 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-05-04 07:44:55,658 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-05-04 07:44:55,742 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2023-05-04 07:44:55,786 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-05-04 07:44:55,786 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-05-04 07:44:55,786 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 07:44:55,787 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2023-05-04 07:44:55,788 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2023-05-04 07:44:55,820 INFO  L162   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-05-04 07:44:55,836 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork0 ========
[2023-05-04 07:44:55,842 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4d8b19dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-05-04 07:44:55,842 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-05-04 07:44:56,046 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 07:44:56,050 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 07:44:56,050 INFO  L85        PathProgramCache]: Analyzing trace with hash 91762984, now seen corresponding path program 1 times
[2023-05-04 07:44:56,058 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 07:44:56,059 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649665618]
[2023-05-04 07:44:56,059 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 07:44:56,060 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 07:44:56,227 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 07:44:56,365 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-05-04 07:44:56,365 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 07:44:56,366 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649665618]
[2023-05-04 07:44:56,368 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649665618] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 07:44:56,368 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 07:44:56,368 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-05-04 07:44:56,370 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655733060]
[2023-05-04 07:44:56,370 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 07:44:56,375 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-05-04 07:44:56,375 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 07:44:56,399 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-05-04 07:44:56,401 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-05-04 07:44:56,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:56,402 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 07:44:56,405 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 07:44:56,405 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:56,455 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:56,455 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-05-04 07:44:56,456 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 07:44:56,457 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 07:44:56,457 INFO  L85        PathProgramCache]: Analyzing trace with hash -1006308451, now seen corresponding path program 1 times
[2023-05-04 07:44:56,458 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 07:44:56,458 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269722364]
[2023-05-04 07:44:56,458 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 07:44:56,458 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 07:44:56,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 07:44:56,609 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-05-04 07:44:56,609 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 07:44:56,610 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269722364]
[2023-05-04 07:44:56,610 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269722364] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 07:44:56,610 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 07:44:56,610 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-05-04 07:44:56,610 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578958311]
[2023-05-04 07:44:56,610 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 07:44:56,612 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-05-04 07:44:56,613 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 07:44:56,613 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-05-04 07:44:56,614 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-05-04 07:44:56,614 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:56,614 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 07:44:56,614 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 07:44:56,615 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:56,615 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:56,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:56,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:56,715 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-05-04 07:44:56,715 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 07:44:56,716 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 07:44:56,716 INFO  L85        PathProgramCache]: Analyzing trace with hash -1614477829, now seen corresponding path program 1 times
[2023-05-04 07:44:56,716 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 07:44:56,717 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183930983]
[2023-05-04 07:44:56,717 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 07:44:56,717 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 07:44:56,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 07:44:57,026 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-05-04 07:44:57,026 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 07:44:57,027 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183930983]
[2023-05-04 07:44:57,027 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183930983] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 07:44:57,027 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 07:44:57,027 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-05-04 07:44:57,027 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603304684]
[2023-05-04 07:44:57,027 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 07:44:57,028 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-05-04 07:44:57,028 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 07:44:57,028 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-05-04 07:44:57,028 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-05-04 07:44:57,028 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:57,028 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 07:44:57,029 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 07:44:57,029 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:57,029 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,029 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:57,068 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:57,068 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,069 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,069 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-05-04 07:44:57,069 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 07:44:57,070 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 07:44:57,070 INFO  L85        PathProgramCache]: Analyzing trace with hash 1254827326, now seen corresponding path program 1 times
[2023-05-04 07:44:57,070 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 07:44:57,073 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652457330]
[2023-05-04 07:44:57,073 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 07:44:57,073 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 07:44:57,106 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 07:44:57,208 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-05-04 07:44:57,208 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 07:44:57,208 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652457330]
[2023-05-04 07:44:57,208 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652457330] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 07:44:57,208 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 07:44:57,208 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-05-04 07:44:57,209 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565623142]
[2023-05-04 07:44:57,209 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 07:44:57,210 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-05-04 07:44:57,211 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 07:44:57,211 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-05-04 07:44:57,211 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-05-04 07:44:57,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:57,212 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 07:44:57,212 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 07:44:57,212 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:57,212 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,212 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,212 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:57,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:57,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,255 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-05-04 07:44:57,255 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 07:44:57,255 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 07:44:57,256 INFO  L85        PathProgramCache]: Analyzing trace with hash 699446509, now seen corresponding path program 1 times
[2023-05-04 07:44:57,256 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 07:44:57,256 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781930879]
[2023-05-04 07:44:57,256 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 07:44:57,256 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 07:44:57,285 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 07:44:57,419 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-05-04 07:44:57,419 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 07:44:57,419 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781930879]
[2023-05-04 07:44:57,419 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781930879] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 07:44:57,419 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 07:44:57,420 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-05-04 07:44:57,420 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414201813]
[2023-05-04 07:44:57,420 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 07:44:57,420 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-05-04 07:44:57,420 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 07:44:57,421 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-05-04 07:44:57,421 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-05-04 07:44:57,421 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:57,421 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 07:44:57,421 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 07:44:57,421 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:57,422 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,422 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,422 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,422 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:57,514 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:57,514 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,515 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,515 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,515 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:44:57,515 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-05-04 07:44:57,515 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 07:44:57,516 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 07:44:57,516 INFO  L85        PathProgramCache]: Analyzing trace with hash -395012057, now seen corresponding path program 1 times
[2023-05-04 07:44:57,516 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 07:44:57,516 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288687721]
[2023-05-04 07:44:57,517 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 07:44:57,517 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 07:44:57,544 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 07:44:57,620 INFO  L134       CoverageAnalysis]: Checked inductivity of 87 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2023-05-04 07:44:57,621 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 07:44:57,621 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288687721]
[2023-05-04 07:44:57,621 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288687721] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 07:44:57,621 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 07:44:57,621 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-05-04 07:44:57,621 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221847476]
[2023-05-04 07:44:57,621 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 07:44:57,623 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-05-04 07:44:57,623 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 07:44:57,624 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-05-04 07:44:57,624 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-05-04 07:44:57,624 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:57,624 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 07:44:57,624 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 07:44:57,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:57,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:44:57,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:57,673 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:57,673 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,674 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,674 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,674 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:44:57,674 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:57,674 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-05-04 07:44:57,674 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 07:44:57,675 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 07:44:57,675 INFO  L85        PathProgramCache]: Analyzing trace with hash -1163548993, now seen corresponding path program 1 times
[2023-05-04 07:44:57,676 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 07:44:57,679 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194768210]
[2023-05-04 07:44:57,679 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 07:44:57,680 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 07:44:57,706 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 07:44:57,849 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-05-04 07:44:57,850 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 07:44:57,850 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194768210]
[2023-05-04 07:44:57,850 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194768210] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 07:44:57,851 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850869634]
[2023-05-04 07:44:57,851 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 07:44:57,854 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 07:44:57,854 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 07:44:57,861 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-05-04 07:44:57,881 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-05-04 07:44:57,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 07:44:57,990 INFO  L263         TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-05-04 07:44:58,005 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 07:44:58,211 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2023-05-04 07:44:58,212 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-05-04 07:44:58,481 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2023-05-04 07:44:58,481 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850869634] provided 0 perfect and 2 imperfect interpolant sequences
[2023-05-04 07:44:58,481 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-05-04 07:44:58,481 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 13
[2023-05-04 07:44:58,482 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148003234]
[2023-05-04 07:44:58,482 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-05-04 07:44:58,483 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2023-05-04 07:44:58,483 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 07:44:58,484 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2023-05-04 07:44:58,484 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156
[2023-05-04 07:44:58,484 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:58,484 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 07:44:58,485 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 28.923076923076923) internal successors, (376), 13 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)
[2023-05-04 07:44:58,485 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:58,485 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:58,485 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:58,485 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:58,485 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:44:58,485 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:58,486 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:58,712 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:58,713 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:58,713 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:58,713 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:58,713 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:44:58,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:58,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2023-05-04 07:44:58,740 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-05-04 07:44:58,937 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2023-05-04 07:44:58,937 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 07:44:58,937 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 07:44:58,938 INFO  L85        PathProgramCache]: Analyzing trace with hash -1555843433, now seen corresponding path program 1 times
[2023-05-04 07:44:58,938 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 07:44:58,938 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716258863]
[2023-05-04 07:44:58,938 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 07:44:58,938 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 07:44:58,972 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 07:44:59,159 INFO  L134       CoverageAnalysis]: Checked inductivity of 202 backedges. 110 proven. 10 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked.
[2023-05-04 07:44:59,159 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 07:44:59,159 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716258863]
[2023-05-04 07:44:59,160 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716258863] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 07:44:59,160 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947860466]
[2023-05-04 07:44:59,160 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 07:44:59,160 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 07:44:59,160 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 07:44:59,161 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-05-04 07:44:59,213 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-05-04 07:44:59,357 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 07:44:59,359 INFO  L263         TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-05-04 07:44:59,375 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 07:44:59,509 INFO  L134       CoverageAnalysis]: Checked inductivity of 202 backedges. 110 proven. 10 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked.
[2023-05-04 07:44:59,509 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-05-04 07:44:59,641 INFO  L134       CoverageAnalysis]: Checked inductivity of 202 backedges. 110 proven. 10 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked.
[2023-05-04 07:44:59,641 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [947860466] provided 0 perfect and 2 imperfect interpolant sequences
[2023-05-04 07:44:59,641 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-05-04 07:44:59,641 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14
[2023-05-04 07:44:59,642 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880213146]
[2023-05-04 07:44:59,642 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-05-04 07:44:59,643 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2023-05-04 07:44:59,643 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 07:44:59,644 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2023-05-04 07:44:59,646 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182
[2023-05-04 07:44:59,646 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:59,646 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 07:44:59,646 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 23.928571428571427) internal successors, (335), 14 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 07:44:59,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:59,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:59,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:59,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:59,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:44:59,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:59,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2023-05-04 07:44:59,647 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:59,816 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:44:59,817 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:59,817 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:59,817 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:59,817 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:44:59,817 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:44:59,817 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2023-05-04 07:44:59,817 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-05-04 07:44:59,842 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-05-04 07:45:00,039 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 07:45:00,039 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 07:45:00,040 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 07:45:00,040 INFO  L85        PathProgramCache]: Analyzing trace with hash -1523695831, now seen corresponding path program 2 times
[2023-05-04 07:45:00,040 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 07:45:00,040 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784446675]
[2023-05-04 07:45:00,040 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 07:45:00,041 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 07:45:00,087 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 07:45:00,631 INFO  L134       CoverageAnalysis]: Checked inductivity of 696 backedges. 344 proven. 268 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2023-05-04 07:45:00,632 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 07:45:00,632 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784446675]
[2023-05-04 07:45:00,632 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784446675] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 07:45:00,633 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289412150]
[2023-05-04 07:45:00,633 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-05-04 07:45:00,633 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 07:45:00,633 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 07:45:00,634 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-05-04 07:45:00,659 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-05-04 07:45:00,849 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-05-04 07:45:00,849 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-05-04 07:45:00,853 INFO  L263         TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 12 conjunts are in the unsatisfiable core
[2023-05-04 07:45:00,858 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 07:45:01,144 INFO  L134       CoverageAnalysis]: Checked inductivity of 696 backedges. 344 proven. 268 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2023-05-04 07:45:01,144 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-05-04 07:45:01,597 INFO  L134       CoverageAnalysis]: Checked inductivity of 696 backedges. 344 proven. 268 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2023-05-04 07:45:01,598 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [289412150] provided 0 perfect and 2 imperfect interpolant sequences
[2023-05-04 07:45:01,598 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-05-04 07:45:01,598 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 26
[2023-05-04 07:45:01,598 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262066858]
[2023-05-04 07:45:01,599 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-05-04 07:45:01,600 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2023-05-04 07:45:01,600 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 07:45:01,601 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2023-05-04 07:45:01,601 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650
[2023-05-04 07:45:01,602 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:45:01,604 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 07:45:01,604 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 26 states, 26 states have (on average 25.26923076923077) internal successors, (657), 26 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 07:45:01,605 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:45:01,605 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:01,605 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:01,605 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:01,606 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:45:01,606 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:01,606 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2023-05-04 07:45:01,606 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-05-04 07:45:01,606 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:45:02,010 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:45:02,010 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:02,010 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:02,011 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:02,011 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:45:02,011 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:02,011 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2023-05-04 07:45:02,011 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-05-04 07:45:02,011 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2023-05-04 07:45:02,035 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-05-04 07:45:02,224 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 07:45:02,224 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 07:45:02,225 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 07:45:02,225 INFO  L85        PathProgramCache]: Analyzing trace with hash 1744274585, now seen corresponding path program 3 times
[2023-05-04 07:45:02,225 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 07:45:02,225 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205938996]
[2023-05-04 07:45:02,225 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 07:45:02,225 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 07:45:02,302 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 07:45:03,625 INFO  L134       CoverageAnalysis]: Checked inductivity of 2208 backedges. 698 proven. 1426 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2023-05-04 07:45:03,626 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 07:45:03,626 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205938996]
[2023-05-04 07:45:03,626 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205938996] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 07:45:03,626 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230726735]
[2023-05-04 07:45:03,626 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-05-04 07:45:03,626 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 07:45:03,626 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 07:45:03,628 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-05-04 07:45:03,648 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-05-04 07:45:03,915 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s)
[2023-05-04 07:45:03,915 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-05-04 07:45:03,919 INFO  L263         TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-05-04 07:45:03,926 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 07:45:04,228 INFO  L134       CoverageAnalysis]: Checked inductivity of 2208 backedges. 1007 proven. 135 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked.
[2023-05-04 07:45:04,228 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-05-04 07:45:04,563 INFO  L134       CoverageAnalysis]: Checked inductivity of 2208 backedges. 1007 proven. 135 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked.
[2023-05-04 07:45:04,564 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230726735] provided 0 perfect and 2 imperfect interpolant sequences
[2023-05-04 07:45:04,564 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-05-04 07:45:04,564 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 8, 8] total 37
[2023-05-04 07:45:04,564 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121228628]
[2023-05-04 07:45:04,565 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-05-04 07:45:04,566 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 37 states
[2023-05-04 07:45:04,566 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 07:45:04,567 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants.
[2023-05-04 07:45:04,567 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=1118, Unknown=0, NotChecked=0, Total=1332
[2023-05-04 07:45:04,567 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:45:04,567 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 07:45:04,568 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 37 states, 37 states have (on average 25.756756756756758) internal successors, (953), 37 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 07:45:04,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:45:04,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:04,569 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:04,569 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:04,569 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:45:04,569 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:04,569 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2023-05-04 07:45:04,569 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-05-04 07:45:04,569 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2023-05-04 07:45:04,569 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:45:06,201 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:45:06,201 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:06,201 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:06,202 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:06,202 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:45:06,202 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:06,202 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2023-05-04 07:45:06,202 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-05-04 07:45:06,202 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2023-05-04 07:45:06,202 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2023-05-04 07:45:06,229 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-05-04 07:45:06,417 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2023-05-04 07:45:06,417 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 07:45:06,417 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 07:45:06,418 INFO  L85        PathProgramCache]: Analyzing trace with hash 1580767302, now seen corresponding path program 4 times
[2023-05-04 07:45:06,418 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 07:45:06,418 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323931666]
[2023-05-04 07:45:06,418 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 07:45:06,418 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 07:45:06,501 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 07:45:08,157 INFO  L134       CoverageAnalysis]: Checked inductivity of 3497 backedges. 1457 proven. 1520 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked.
[2023-05-04 07:45:08,157 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 07:45:08,157 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323931666]
[2023-05-04 07:45:08,157 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323931666] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 07:45:08,157 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006274671]
[2023-05-04 07:45:08,158 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2023-05-04 07:45:08,158 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 07:45:08,158 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 07:45:08,159 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)
[2023-05-04 07:45:08,182 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-05-04 07:45:09,538 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2023-05-04 07:45:09,539 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-05-04 07:45:09,547 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1545 conjuncts, 26 conjunts are in the unsatisfiable core
[2023-05-04 07:45:09,556 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 07:45:10,111 INFO  L134       CoverageAnalysis]: Checked inductivity of 3497 backedges. 1457 proven. 1520 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked.
[2023-05-04 07:45:10,111 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-05-04 07:45:11,272 INFO  L134       CoverageAnalysis]: Checked inductivity of 3497 backedges. 1457 proven. 1520 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked.
[2023-05-04 07:45:11,273 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006274671] provided 0 perfect and 2 imperfect interpolant sequences
[2023-05-04 07:45:11,273 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-05-04 07:45:11,273 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 54
[2023-05-04 07:45:11,273 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646841742]
[2023-05-04 07:45:11,274 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-05-04 07:45:11,275 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 54 states
[2023-05-04 07:45:11,276 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 07:45:11,276 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants.
[2023-05-04 07:45:11,277 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=756, Invalid=2106, Unknown=0, NotChecked=0, Total=2862
[2023-05-04 07:45:11,277 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:45:11,277 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 07:45:11,278 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 54 states, 54 states have (on average 21.944444444444443) internal successors, (1185), 54 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 07:45:11,279 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:45:11,279 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:11,279 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:11,279 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:11,279 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:45:11,279 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:11,279 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2023-05-04 07:45:11,279 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-05-04 07:45:11,279 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2023-05-04 07:45:11,279 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2023-05-04 07:45:11,279 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:45:12,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:45:12,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:12,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:12,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:12,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:45:12,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:12,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2023-05-04 07:45:12,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-05-04 07:45:12,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2023-05-04 07:45:12,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. 
[2023-05-04 07:45:12,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2023-05-04 07:45:12,659 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2023-05-04 07:45:12,844 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 07:45:12,845 INFO  L420      AbstractCegarLoop]: === Iteration 12 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 07:45:12,845 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 07:45:12,845 INFO  L85        PathProgramCache]: Analyzing trace with hash -1929763864, now seen corresponding path program 5 times
[2023-05-04 07:45:12,845 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 07:45:12,845 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815052277]
[2023-05-04 07:45:12,846 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 07:45:12,846 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 07:45:13,023 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 07:45:18,115 INFO  L134       CoverageAnalysis]: Checked inductivity of 11353 backedges. 3165 proven. 7663 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked.
[2023-05-04 07:45:18,115 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 07:45:18,116 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815052277]
[2023-05-04 07:45:18,116 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815052277] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 07:45:18,116 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534283749]
[2023-05-04 07:45:18,116 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2023-05-04 07:45:18,116 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 07:45:18,116 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 07:45:18,125 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)
[2023-05-04 07:45:18,147 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2023-05-04 07:45:20,273 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s)
[2023-05-04 07:45:20,274 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-05-04 07:45:20,293 INFO  L263         TraceCheckSpWp]: Trace formula consists of 2076 conjuncts, 52 conjunts are in the unsatisfiable core
[2023-05-04 07:45:20,311 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 07:45:21,634 INFO  L134       CoverageAnalysis]: Checked inductivity of 11353 backedges. 3165 proven. 7663 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked.
[2023-05-04 07:45:21,634 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-05-04 07:45:24,581 INFO  L134       CoverageAnalysis]: Checked inductivity of 11353 backedges. 3165 proven. 7663 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked.
[2023-05-04 07:45:24,582 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [534283749] provided 0 perfect and 2 imperfect interpolant sequences
[2023-05-04 07:45:24,582 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-05-04 07:45:24,582 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 106
[2023-05-04 07:45:24,582 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55199665]
[2023-05-04 07:45:24,582 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-05-04 07:45:24,585 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 106 states
[2023-05-04 07:45:24,585 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 07:45:24,586 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants.
[2023-05-04 07:45:24,591 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=2862, Invalid=8268, Unknown=0, NotChecked=0, Total=11130
[2023-05-04 07:45:24,591 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:45:24,591 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 07:45:24,593 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 106 states, 106 states have (on average 22.235849056603772) internal successors, (2357), 106 states have internal predecessors, (2357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 07:45:24,593 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:45:24,593 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:24,593 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:24,593 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:24,593 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:45:24,593 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:24,593 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2023-05-04 07:45:24,594 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-05-04 07:45:24,594 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2023-05-04 07:45:24,594 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. 
[2023-05-04 07:45:24,594 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2023-05-04 07:45:24,594 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:45:29,194 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:45:29,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:29,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:29,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:29,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:45:29,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:29,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2023-05-04 07:45:29,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-05-04 07:45:29,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2023-05-04 07:45:29,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. 
[2023-05-04 07:45:29,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2023-05-04 07:45:29,196 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2023-05-04 07:45:29,210 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2023-05-04 07:45:29,407 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 07:45:29,407 INFO  L420      AbstractCegarLoop]: === Iteration 13 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 07:45:29,408 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 07:45:29,408 INFO  L85        PathProgramCache]: Analyzing trace with hash 261040984, now seen corresponding path program 6 times
[2023-05-04 07:45:29,408 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 07:45:29,408 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228526837]
[2023-05-04 07:45:29,408 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 07:45:29,408 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 07:45:29,782 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 07:45:46,670 INFO  L134       CoverageAnalysis]: Checked inductivity of 39238 backedges. 6337 proven. 32376 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked.
[2023-05-04 07:45:46,671 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 07:45:46,671 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228526837]
[2023-05-04 07:45:46,671 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228526837] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 07:45:46,671 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717409177]
[2023-05-04 07:45:46,671 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2023-05-04 07:45:46,671 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 07:45:46,672 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 07:45:46,678 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)
[2023-05-04 07:45:46,685 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2023-05-04 07:45:48,265 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s)
[2023-05-04 07:45:48,265 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-05-04 07:45:48,275 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1821 conjuncts, 16 conjunts are in the unsatisfiable core
[2023-05-04 07:45:48,299 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 07:45:49,149 INFO  L134       CoverageAnalysis]: Checked inductivity of 39238 backedges. 8172 proven. 690 refuted. 0 times theorem prover too weak. 30376 trivial. 0 not checked.
[2023-05-04 07:45:49,149 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-05-04 07:45:50,019 INFO  L134       CoverageAnalysis]: Checked inductivity of 39238 backedges. 8172 proven. 690 refuted. 0 times theorem prover too weak. 30376 trivial. 0 not checked.
[2023-05-04 07:45:50,019 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717409177] provided 0 perfect and 2 imperfect interpolant sequences
[2023-05-04 07:45:50,020 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-05-04 07:45:50,020 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [105, 14, 14] total 129
[2023-05-04 07:45:50,021 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571167081]
[2023-05-04 07:45:50,021 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-05-04 07:45:50,025 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 129 states
[2023-05-04 07:45:50,025 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 07:45:50,026 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants.
[2023-05-04 07:45:50,030 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=2968, Invalid=13544, Unknown=0, NotChecked=0, Total=16512
[2023-05-04 07:45:50,030 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:45:50,030 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 07:45:50,032 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 129 states, 129 states have (on average 22.51937984496124) internal successors, (2905), 129 states have internal predecessors, (2905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 07:45:50,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:45:50,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:50,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:50,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:50,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:45:50,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:45:50,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2023-05-04 07:45:50,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-05-04 07:45:50,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2023-05-04 07:45:50,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. 
[2023-05-04 07:45:50,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2023-05-04 07:45:50,033 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2023-05-04 07:45:50,033 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:46:05,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:46:05,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:46:05,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:46:05,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:46:05,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:46:05,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:46:05,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2023-05-04 07:46:05,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-05-04 07:46:05,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2023-05-04 07:46:05,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. 
[2023-05-04 07:46:05,316 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2023-05-04 07:46:05,316 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2023-05-04 07:46:05,321 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 317 states. 
[2023-05-04 07:46:05,341 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2023-05-04 07:46:05,525 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2023-05-04 07:46:05,525 INFO  L420      AbstractCegarLoop]: === Iteration 14 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 07:46:05,525 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 07:46:05,526 INFO  L85        PathProgramCache]: Analyzing trace with hash -1815145468, now seen corresponding path program 7 times
[2023-05-04 07:46:05,526 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 07:46:05,526 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073099658]
[2023-05-04 07:46:05,526 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 07:46:05,526 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 07:46:05,867 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 07:46:24,303 INFO  L134       CoverageAnalysis]: Checked inductivity of 48221 backedges. 12881 proven. 32810 refuted. 0 times theorem prover too weak. 2530 trivial. 0 not checked.
[2023-05-04 07:46:24,304 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 07:46:24,304 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073099658]
[2023-05-04 07:46:24,304 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073099658] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 07:46:24,304 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088506409]
[2023-05-04 07:46:24,304 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2023-05-04 07:46:24,304 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 07:46:24,305 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 07:46:24,309 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)
[2023-05-04 07:46:24,311 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2023-05-04 07:46:25,200 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 07:46:25,225 INFO  L263         TraceCheckSpWp]: Trace formula consists of 5187 conjuncts, 106 conjunts are in the unsatisfiable core
[2023-05-04 07:46:25,253 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 07:46:27,519 INFO  L134       CoverageAnalysis]: Checked inductivity of 48221 backedges. 12881 proven. 32810 refuted. 0 times theorem prover too weak. 2530 trivial. 0 not checked.
[2023-05-04 07:46:27,519 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-05-04 07:46:36,354 INFO  L134       CoverageAnalysis]: Checked inductivity of 48221 backedges. 12881 proven. 32810 refuted. 0 times theorem prover too weak. 2530 trivial. 0 not checked.
[2023-05-04 07:46:36,355 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088506409] provided 0 perfect and 2 imperfect interpolant sequences
[2023-05-04 07:46:36,355 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-05-04 07:46:36,356 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [107, 107, 107] total 214
[2023-05-04 07:46:36,356 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880981955]
[2023-05-04 07:46:36,356 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-05-04 07:46:36,360 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 214 states
[2023-05-04 07:46:36,361 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 07:46:36,364 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants.
[2023-05-04 07:46:36,376 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11556, Invalid=34026, Unknown=0, NotChecked=0, Total=45582
[2023-05-04 07:46:36,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:46:36,376 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 07:46:36,378 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 214 states, 214 states have (on average 21.425233644859812) internal successors, (4585), 214 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 07:46:36,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:46:36,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:46:36,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:46:36,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:46:36,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:46:36,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:46:36,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2023-05-04 07:46:36,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-05-04 07:46:36,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2023-05-04 07:46:36,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. 
[2023-05-04 07:46:36,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2023-05-04 07:46:36,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2023-05-04 07:46:36,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 317 states. 
[2023-05-04 07:46:36,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:46:58,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:46:58,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:46:58,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:46:58,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:46:58,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:46:58,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:46:58,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2023-05-04 07:46:58,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-05-04 07:46:58,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2023-05-04 07:46:58,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. 
[2023-05-04 07:46:58,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2023-05-04 07:46:58,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2023-05-04 07:46:58,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 319 states. 
[2023-05-04 07:46:58,133 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 315 states. 
[2023-05-04 07:46:58,156 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2023-05-04 07:46:58,333 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2023-05-04 07:46:58,334 INFO  L420      AbstractCegarLoop]: === Iteration 15 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 07:46:58,334 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 07:46:58,335 INFO  L85        PathProgramCache]: Analyzing trace with hash 119682214, now seen corresponding path program 8 times
[2023-05-04 07:46:58,335 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 07:46:58,335 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933422788]
[2023-05-04 07:46:58,335 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 07:46:58,335 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 07:46:59,150 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 07:48:38,844 INFO  L134       CoverageAnalysis]: Checked inductivity of 167071 backedges. 26287 proven. 138243 refuted. 0 times theorem prover too weak. 2541 trivial. 0 not checked.
[2023-05-04 07:48:38,845 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 07:48:38,845 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933422788]
[2023-05-04 07:48:38,845 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933422788] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 07:48:38,845 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444202007]
[2023-05-04 07:48:38,845 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-05-04 07:48:38,845 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 07:48:38,845 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 07:48:38,847 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)
[2023-05-04 07:48:38,847 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2023-05-04 07:48:40,327 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-05-04 07:48:40,327 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-05-04 07:48:40,375 INFO  L263         TraceCheckSpWp]: Trace formula consists of 9460 conjuncts, 212 conjunts are in the unsatisfiable core
[2023-05-04 07:48:40,437 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 07:48:44,866 INFO  L134       CoverageAnalysis]: Checked inductivity of 167071 backedges. 26287 proven. 138243 refuted. 0 times theorem prover too weak. 2541 trivial. 0 not checked.
[2023-05-04 07:48:44,866 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-05-04 07:49:15,696 INFO  L134       CoverageAnalysis]: Checked inductivity of 167071 backedges. 26287 proven. 138243 refuted. 0 times theorem prover too weak. 2541 trivial. 0 not checked.
[2023-05-04 07:49:15,697 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [444202007] provided 0 perfect and 2 imperfect interpolant sequences
[2023-05-04 07:49:15,697 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-05-04 07:49:15,698 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [213, 213, 213] total 426
[2023-05-04 07:49:15,698 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669658879]
[2023-05-04 07:49:15,698 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-05-04 07:49:15,704 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 426 states
[2023-05-04 07:49:15,705 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 07:49:15,713 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 426 interpolants.
[2023-05-04 07:49:15,728 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=45582, Invalid=135468, Unknown=0, NotChecked=0, Total=181050
[2023-05-04 07:49:15,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:49:15,728 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 07:49:15,733 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 426 states, 426 states have (on average 21.495305164319248) internal successors, (9157), 426 states have internal predecessors, (9157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-05-04 07:49:15,733 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:49:15,733 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:49:15,733 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:49:15,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:49:15,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:49:15,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:49:15,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2023-05-04 07:49:15,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-05-04 07:49:15,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2023-05-04 07:49:15,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. 
[2023-05-04 07:49:15,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2023-05-04 07:49:15,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2023-05-04 07:49:15,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 319 states. 
[2023-05-04 07:49:15,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 315 states. 
[2023-05-04 07:49:15,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:51:43,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 07:51:43,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:51:43,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:51:43,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:51:43,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-05-04 07:51:43,296 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 07:51:43,296 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2023-05-04 07:51:43,296 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-05-04 07:51:43,296 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2023-05-04 07:51:43,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. 
[2023-05-04 07:51:43,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2023-05-04 07:51:43,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2023-05-04 07:51:43,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 319 states. 
[2023-05-04 07:51:43,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 315 states. 
[2023-05-04 07:51:43,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 633 states. 
[2023-05-04 07:51:43,328 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2023-05-04 07:51:43,505 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2023-05-04 07:51:43,505 INFO  L420      AbstractCegarLoop]: === Iteration 16 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 07:51:43,506 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 07:51:43,507 INFO  L85        PathProgramCache]: Analyzing trace with hash -308147178, now seen corresponding path program 9 times
[2023-05-04 07:51:43,507 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 07:51:43,507 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892096044]
[2023-05-04 07:51:43,508 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 07:51:43,508 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 07:51:45,989 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
Received shutdown request...
[2023-05-04 07:58:12,323 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
[2023-05-04 07:58:12,324 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
[2023-05-04 07:58:13,373 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2023-05-04 07:58:13,374 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Cannot interrupt operation gracefully because timeout expired. Forcing shutdown